Title: £202 Cheap Flights from Seattle to Buffalo (SEA to BUF) - Expedia.co.uk ![Buffalo, NY](https://images.trvl-media.com/place/602674/87d981cf-5755-46d3-aea8-dd650f6a21eb.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/602674/87d981cf-5755-46d3-aea8-dd650f6a21eb.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £202 Cheap Flights from Seattle (SEA) to Buffalo (BUF) [View £202 flight on Fri, 12 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:201.60&airProductToken=AQpfCi0IwaYBEgMzNzEYkgEg71koz8n_AjCGzP8COFFAAFgBagJQTXIIUVdBSVpOTTMKLgjBpgESBDY0MDgY71kggS0o9c3_AjDOzv8COEdAAVgBagJQTXIIUVdBSVpOTTMSCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara Intl. Airport (BUF) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![Sun Country Airlines](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:buf,departure:14/11/2025TANYT&leg2=from:buf,to:sea,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Seattle (SEA) to Buffalo (BUF) Prices were available within the past 7 days and start at £202 for one-way flights and £463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £463 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:462.20&airProductToken=AQpfCi0IwaYBEgMzNzEYkgEg71koz8n_AjCGzP8COFFAAFgBagJQTXIIUVdBSVpOTTMKLgjBpgESBDY0MDgY71kggS0o9c3_AjDOzv8COEdAAVgBagJQTXIIUVdBSVpOTTMKXwouCMGmARIENDIzMhiBLSCuHCjUj4ADMMuQgAM4TkAAWAFqAlBNcghTVUFJWk5NMQotCMGmARIDNTg3GK4cIJIBKIiRgAMwp5OAAzhTQAFYAWoCUE1yCFNVQUlaTk0xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Mon, 8 Dec SEA Seattle BUF Buffalo £466 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:06/12/2025TANYT&leg2=from:BUF,to:SEA,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:465.50&airProductToken=AQprCi0IwaYBEgM0NDIYkgEg71koyID_AjD9gv8COFFAAFgBagJQTXIIUVdBSVpOTTMKOgjBpgESBDYyMDUY71kggS0o1IT_AjCqhf8COEdAAVgBagJQTXIIUVdBSVpOTTN6CgjBggESBDYyMDUKZwo5CMGmARIENjEyNRiBLSBDKLuT_wIwpJT_AjhTQABYAWoCUE1yCFNVQUlaTk0xegoIwYIBEgQ2MTI1CioIwaYBEgExGEMgkgEo7JT_AjDfl_8COFNAAVgBagJQTXIIU1VBSVpOTTESCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £508 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:507.40&airProductToken=AQpfCi0IwaYBEgMzNzEYkgEg71koz8n_AjCGzP8COFFAAFgBagJQTXIIUVdBSVpOTTMKLgjBpgESBDY0MDgY71kggS0o9c3_AjDOzv8COEdAAVgBagJQTXIIUVdBSVpOTTMKXwouCMGmARIENDQ0MxiBLSCuHCjckoADMOiTgAM4TkAAWAFqAlBNcghWVUFJWk5NMQotCMGmARIDNDA3GK4cIJIBKM2UgAMw6JaAAzhWQAFYAWoCUE1yCFZVQUlaTk0xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Mon, 8 Dec SEA Seattle BUF Buffalo £520 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:06/12/2025TANYT&leg2=from:BUF,to:SEA,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:519.20&airProductToken=AQprCi0IwaYBEgM0NDIYkgEg71koyID_AjD9gv8COFFAAFgBagJQTXIIUVdBSVpOTTMKOgjBpgESBDYyMDUY71kggS0o1IT_AjCqhf8COEdAAVgBagJQTXIIUVdBSVpOTTN6CgjBggESBDYyMDUKawo6CMGmARIENjU4NBiBLSDvWSiwmP8CMIuZ_wI4VkAAWAFqAlBNcghWVUFJWk5NMXoKCMGCARIENjU4NAotCMGmARIDNDQzGO9ZIJIBKPqZ_wIw9Jz_AjhWQAFYAWoCUE1yCFZVQUlaTk0xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £523 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:522.40&airProductToken=AQpfCi0IwaYBEgM0NDIYkgEg71koiMT_AjC9xv8COFNAAFgBagJQTXIIU1VBSVpOTTEKLgjBpgESBDYyMDUY71kggS0okcj_AjDnyP8COE5AAVgBagJQTXIIU1VBSVpOTTEKXwouCMGmARIENDIzMhiBLSCuHCjUj4ADMMuQgAM4TkAAWAFqAlBNcghTVUFJWk5NMQotCMGmARIDNTg3GK4cIJIBKIiRgAMwp5OAAzhTQAFYAWoCUE1yCFNVQUlaTk0xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £568 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:567.60&airProductToken=AQpfCi0IwaYBEgM0NDIYkgEg71koiMT_AjC9xv8COFNAAFgBagJQTXIIU1VBSVpOTTEKLgjBpgESBDYyMDUY71kggS0okcj_AjDnyP8COE5AAVgBagJQTXIIU1VBSVpOTTEKXwouCMGmARIENDQ0MxiBLSCuHCjckoADMOiTgAM4TkAAWAFqAlBNcghWVUFJWk5NMQotCMGmARIDNDA3GK4cIJIBKM2UgAMw6JaAAzhWQAFYAWoCUE1yCFZVQUlaTk0xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £583 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:582.60&airProductToken=AQpfCi0IwaYBEgMzNzEYkgEg71koz8n_AjCGzP8COFFAAFgBagJQTXIIUVdBSVpOTTMKLgjBpgESBDY0MDgY71kggS0o9c3_AjDOzv8COEdAAVgBagJQTXIIUVdBSVpOTTMKWwotCMGmARIENjEyNRiBLSBDKLGPgAMwh5CAAzhMQABYAWoCUE1yCEw3QVpaTk4xCioIwaYBEgExGEMgkgEozJCAAzC4k4ADOExAAVgBagJQTXIITDdBWlpOTjESCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Mon, 8 Dec SEA Seattle BUF Buffalo £602 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:06/12/2025TANYT&leg2=from:BUF,to:SEA,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:602.00&airProductToken=AQprCi0IwaYBEgMzNzEYkgEg71koj4b_AjDGiP8COFFAAFgBagJQTXIIUVdBSVpOTTMKOgjBpgESBDY0MDgY71kggS0otYr_AjCOi_8COEdAAVgBagJQTXIIUVdBSVpOTTN6CgjBggESBDY0MDgKZwo5CMGmARIENjI3NhiBLSBDKIeX_wIw3pf_AjhNQABYAWoCUE1yCE03QUhaTk4xegoIwYIBEgQ2Mjc2CioIwaYBEgEzGEMgkgEoiJn_AjD9m_8COE1AAVgBagJQTXIITTdBSFpOTjESCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £643 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:642.80&airProductToken=AQpfCi0IwaYBEgM0NDIYkgEg71koiMT_AjC9xv8COFNAAFgBagJQTXIIU1VBSVpOTTEKLgjBpgESBDYyMDUY71kggS0okcj_AjDnyP8COE5AAVgBagJQTXIIU1VBSVpOTTEKXwouCMGmARIENjU4NBiBLSDvWSi1lIADMIqVgAM4TEAAWAFqAlBNcghMN0FaWk5OMQotCMGmARIDNDQzGO9ZIJIBKNCVgAMwx5iAAzhMQAFYAWoCUE1yCEw3QVpaTk4xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £688 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:688.00&airProductToken=AQpfCi0IwaYBEgM0NDIYkgEg71koiMT_AjC9xv8COExAAFgBagJQTXIITDdBWlpOTjEKLgjBpgESBDYyMDUY71kggS0okcj_AjDnyP8COExAAVgBagJQTXIITDdBWlpOTjEKXwouCMGmARIENDQ0MxiBLSCuHCjckoADMOiTgAM4TkAAWAFqAlBNcghWVUFJWk5NMQotCMGmARIDNDA3GK4cIJIBKM2UgAMw6JaAAzhWQAFYAWoCUE1yCFZVQUlaTk0xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Mon, 8 Dec SEA Seattle BUF Buffalo £701 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:06/12/2025TANYT&leg2=from:BUF,to:SEA,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:700.90&airProductToken=AQprCi0IwaYBEgMzNzEYkgEg71koj4b_AjDGiP8COFFAAFgBagJQTXIIUVdBSVpOTTMKOgjBpgESBDY0MDgY71kggS0otYr_AjCOi_8COEdAAVgBagJQTXIIUVdBSVpOTTN6CgjBggESBDY0MDgKawo6CMGmARIENDE2MRiBLSCuHCiGmP8CMIuZ_wI4S0AAWAFqAlBNcghLMEFIWk5OMXoKCMGCARIENDE2MQotCMGmARIDMzM3GK4cIJIBKPeZ_wIwk5z_AjhLQAFYAWoCUE1yCEswQUhaTk4xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 12 Dec - Fri, 19 Dec SEA Seattle BUF Buffalo £765 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:BUF,departure:12/12/2025TANYT&leg2=from:BUF,to:SEA,departure:19/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:764.30&airProductToken=AQpfCi0IwaYBEgM0NDIYkgEg71koiMT_AjC9xv8COExAAFgBagJQTXIITDdBWlpOTjEKLgjBpgESBDYyMDUY71kggS0okcj_AjDnyP8COExAAVgBagJQTXIITDdBWlpOTjEKXwouCMGmARIENjU4NBiBLSDvWSi1lIADMIqVgAM4TEAAWAFqAlBNcghMN0FaWk5OMQotCMGmARIDNDQzGO9ZIJIBKNCVgAMwx5iAAzhMQAFYAWoCUE1yCEw3QVpaTk4xEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Seattle (SEA) to Buffalo (BUF) ### September is typically the cheapest month to fly From £130 - £300 per traveller. Flight from Seattle to Buffalo route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Buffalo Niagara Intl. | | Return price | £462 | | Distance | 3385 km | ## Compare flights from Seattle to Buffalo easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Buffalo. Operating between them flights per day, 15 airlines cover the route. And fly direct, getting you to Buffalo Niagara Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Buffalo Niagara Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Buffalo Niagara Intl. (BUF) The easiest way to view the best deals on flights from Seattle to Buffalo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Buffalo Niagara Intl. start at just £463 and range up to £765.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and Buffalo - booking your flight during December, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seattle to Buffalo flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Buffalo Niagara Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from SEA to BUF? > If you're planning on travelling between Sea-Tac Airport and Buffalo Niagara International Airport, round-trip journeys start from £463. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SEA to Buffalo Niagara Intl. Airport (BUF)? > We get that things come up unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just visit the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from SEA to Buffalo Niagara International Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to BUF flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from SEA to Buffalo Niagara Intl. Airport (BUF)? > The flying distance between Seattle - Tacoma Intl. Airport (SEA) and Buffalo Niagara International Airport is 3,400 kilometres. Listen to your favourite tunes or finish that novel and the journey will zip by. ### Which airlines fly direct from Sea-Tac Airport to Buffalo Niagara International Airport? > Unfortunately, there are no airlines that fly direct between SEA and BUF. You'll need to book a flight with one or more stops. ### Are Seattle - Tacoma Intl. Airport (SEA) to Buffalo Niagara Intl. Airport (BUF) flight tickets cheaper when they're purchased at the last minute? > Tickets from SEA to BUF are available up to 12 months before departure on Expedia. And although you may occasionally nab great last-minute deal, it's never a sure thing. Also, booking your flights ahead of time means you'll have more options — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Aberdeen (ABZ) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/abz/iag/aberdeen-to-niagara-falls) - [Flights from Albany (ALB) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/alb/iag/albany-to-niagara-falls) - [Flights from Appleton (ATW) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/atw/iag/appleton-to-niagara-falls) - [Flights from Austin (AUS) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/aus/iag/austin-to-niagara-falls) - [Flights from Barcelona (BCN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bcn/iag/barcelona-to-niagara-falls) - [Flights from Hartford (BDL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bdl/iag/hartford-to-niagara-falls) - [Flights from Bradford (BFD) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bfd/iag/bradford-to-niagara-falls) - [Flights from Belfast (BHD) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bhd/iag/belfast-to-niagara-falls) - [Flights from Birmingham (BHM) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bhm/iag/birmingham-to-niagara-falls) - [Flights from Birmingham (BHX) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bhx/iag/birmingham-to-niagara-falls) - [Flights from Nashville (BNA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bna/iag/nashville-to-niagara-falls) - [Flights from Boston (BOS) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bos/iag/boston-to-niagara-falls) - [Flights from Bristol (BRS) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/brs/iag/bristol-to-niagara-falls) - [Flights from Burlington (BTV) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/btv/iag/burlington-to-niagara-falls) - [Flights from Baltimore (BWI) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/bwi/iag/baltimore-to-niagara-falls) - [Flights from Cleveland (CGF) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/cgf/iag/cleveland-to-niagara-falls) - [Flights from Chicago (CHI) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/chi/iag/chicago-to-niagara-falls) - [Flights from Cleveland (CLE) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/cle/iag/cleveland-to-niagara-falls) - [Flights from Charlotte (CLT) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/clt/iag/charlotte-to-niagara-falls) - [Flights from Cincinnati (CVG) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/cvg/iag/cincinnati-to-niagara-falls) - [Flights from Cardiff (CWL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/cwl/iag/cardiff-to-niagara-falls) - [Flights from Washington (DCA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/dca/iag/washington-to-niagara-falls) - [Flights from Washington (DCA) to Rochester (ROC)](https://www.expedia.co.uk/lp/flights/dca/roc/washington-to-rochester) - [Flights from Denver (DEN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/den/iag/denver-to-niagara-falls) - [Flights from Dallas (DFW) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/dfw/iag/dallas-to-niagara-falls) - [Flights from Detroit (DTW) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/dtw/iag/detroit-to-niagara-falls) - [Flights from Dublin (DUB) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/dub/iag/dublin-to-niagara-falls) - [Flights from Edinburgh (EDI) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/edi/iag/edinburgh-to-niagara-falls) - [Flights from Newark Liberty Intl. Airport (EWR) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ewr/iag/newark-liberty-intl-airport-to-niagara-falls) - [Flights from Fort Lauderdale (FLL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/fll/iag/fort-lauderdale-to-niagara-falls) - [Flights from Formosa (FMA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/fma/iag/formosa-to-niagara-falls) - [Flights from Fukuoka (FUK) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/fuk/iag/fukuoka-to-niagara-falls) - [Flights from Garden City (GCK) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/gck/iag/garden-city-to-niagara-falls) - [Flights from Glasgow (GLA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/gla/iag/glasgow-to-niagara-falls) - [Flights from Houston (HOU) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/hou/iag/houston-to-niagara-falls) - [Flights from White Plains (HPN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/hpn/iag/white-plains-to-niagara-falls) - [Flights from Washington (IAD) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/iad/iag/washington-to-niagara-falls) - [Flights from Houston (IAH) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/iah/iag/houston-to-niagara-falls) - [Flights from Indianapolis (IND) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ind/iag/indianapolis-to-niagara-falls) - [Flights from Ithaca (ITH) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ith/iag/ithaca-to-niagara-falls) - [Flights from New York (JFK) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/jfk/iag/new-york-to-niagara-falls) - [Flights from New York (JFK) to Rochester (ROC)](https://www.expedia.co.uk/lp/flights/jfk/roc/new-york-to-rochester) - [Flights from Kingston (KIN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/kin/iag/kingston-to-niagara-falls) - [Flights from Las Vegas (LAS) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/las/iag/las-vegas-to-niagara-falls) - [Flights from Los Angeles (LAX) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/lax/iag/los-angeles-to-niagara-falls) - [Flights from Leeds (LBA) to Rochester (ROC)](https://www.expedia.co.uk/lp/flights/lba/roc/leeds-to-rochester) - [Flights from New York (LGA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/lga/iag/new-york-to-niagara-falls) - [Flights from London (LGW) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/lgw/iag/london-to-niagara-falls) - [Flights from London (LHR) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/lhr/iag/london-to-niagara-falls) - [Flights from London (LHR) to Rochester (ROC)](https://www.expedia.co.uk/lp/flights/lhr/roc/london-to-rochester) - [Flights from Little Rock (LIT) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/lit/iag/little-rock-to-niagara-falls) - [Flights from Liverpool (LPL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/lpl/iag/liverpool-to-niagara-falls) - [Flights from Manchester (MAN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/man/iag/manchester-to-niagara-falls) - [Flights from Manchester (MAN) to Rochester (ROC)](https://www.expedia.co.uk/lp/flights/man/roc/manchester-to-rochester) - [Flights from Orlando (MCO) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/mco/iag/orlando-to-niagara-falls) - [Flights from Memphis (MEM) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/mem/iag/memphis-to-niagara-falls) - [Flights from Manhattan (MHK) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/mhk/iag/manhattan-to-niagara-falls) - [Flights from Miami (MIA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/mia/iag/miami-to-niagara-falls) - [Flights from Milwaukee (MKE) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/mke/iag/milwaukee-to-niagara-falls) - [Flights from Marquette (MQT) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/mqt/iag/marquette-to-niagara-falls) - [Flights from Madison (MSN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/msn/iag/madison-to-niagara-falls) - [Flights from Minneapolis (MSP) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/msp/iag/minneapolis-to-niagara-falls) - [Flights from New Orleans (MSY) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/msy/iag/new-orleans-to-niagara-falls) - [Flights from Newcastle (NCL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ncl/iag/newcastle-to-niagara-falls) - [Flights from New York (NYC) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/nyc/iag/new-york-to-niagara-falls) - [Flights from Oklahoma City (OKC) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/okc/iag/oklahoma-city-to-niagara-falls) - [Flights from Chicago (ORD) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ord/iag/chicago-to-niagara-falls) - [Flights from Chicago (ORD) to Rochester (ROC)](https://www.expedia.co.uk/lp/flights/ord/roc/chicago-to-rochester) - [Flights from Portland (PDX) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/pdx/iag/portland-to-niagara-falls) - [Flights from Perpignan (PGF) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/pgf/iag/perpignan-to-niagara-falls) - [Flights from Philadelphia (PHL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/phl/iag/philadelphia-to-niagara-falls) - [Flights from Glasgow (PIK) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/pik/iag/glasgow-to-niagara-falls) - [Flights from Pittsburgh (PIT) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/pit/iag/pittsburgh-to-niagara-falls) - [Flights from Fort Myers (RSW) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/rsw/iag/fort-myers-to-niagara-falls) - [Flights from San Diego (SAN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/san/iag/san-diego-to-niagara-falls) - [Flights from South Bend (SBN) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/sbn/iag/south-bend-to-niagara-falls) - [Flights from Seattle (SEA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/sea/iag/seattle-to-niagara-falls) - [Flights from San Francisco (SFO) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/sfo/iag/san-francisco-to-niagara-falls) - [Flights from San Juan (SJU) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/sju/iag/san-juan-to-niagara-falls) - [Flights from Salt Lake City (SLC) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/slc/iag/salt-lake-city-to-niagara-falls) - [Flights from St. Louis (STL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/stl/iag/st-louis-to-niagara-falls) - [Flights from Newburgh (SWF) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/swf/iag/newburgh-to-niagara-falls) - [Flights from Syracuse (SYR) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/syr/iag/syracuse-to-niagara-falls) - [Flights from Tingo Maria (TGI) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/tgi/iag/tingo-maria-to-niagara-falls) - [Flights from Tarko-Sale (TQL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/tql/iag/tarko-sale-to-niagara-falls) - [Flights from Washington (WAS) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/was/iag/washington-to-niagara-falls) - [Flights from Banff (YBA) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yba/iag/banff-to-niagara-falls) - [Flights from Edmonton (YEG) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yeg/iag/edmonton-to-niagara-falls) - [Flights from Halifax (YHZ) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yhz/iag/halifax-to-niagara-falls) - [Flights from Ottawa (YOW) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yow/iag/ottawa-to-niagara-falls) - [Flights from Québec (YQB) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yqb/iag/quebec-to-niagara-falls) - [Flights from Mont-Tremblant (YTM) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ytm/iag/mont-tremblant-to-niagara-falls) - [Flights from Toronto (YTO) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yto/iag/toronto-to-niagara-falls) - [Flights from Toronto (YTZ) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ytz/iag/toronto-to-niagara-falls) - [Flights from Montreal (YUL) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yul/iag/montreal-to-niagara-falls) - [Flights from Vancouver (YVR) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yvr/iag/vancouver-to-niagara-falls) - [Flights from Winnipeg (YWG) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/ywg/iag/winnipeg-to-niagara-falls) - [Flights from Calgary (YYC) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yyc/iag/calgary-to-niagara-falls) - [Flights from Victoria (YYJ) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yyj/iag/victoria-to-niagara-falls) - [Flights from Toronto (YYZ) to Niagara Falls (IAG)](https://www.expedia.co.uk/lp/flights/yyz/iag/toronto-to-niagara-falls) \*Available to Expedia members.