Title: £109 Cheap Flights from Washington to Seattle (IAD to SEA) - Expedia.co.uk ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £109 Cheap Flights from Washington (IAD) to Seattle (SEA) [View £109 flight on Mon, 19 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IAD,to:SEA,departure:19/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:109.00&airProductToken=AQovCi0IwaYBEgM0MDYYiBggkgEou_KCAzCU9YIDOFhAAFgBagJTVnIIT0gyT0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) - [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 Washington Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA) - ![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:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![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:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sea,departure:30/09/2025TANYT&leg2=from:sea,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) ![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 Washington (IAD) to Seattle (SEA) Prices were available within the past 7 days and start at £109 for one-way flights and £189 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) Wed, 29 Oct - Wed, 5 Nov IAD Washington SEA Seattle £189 Return found 22 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:29/10/2025TANYT&leg2=from:SEA,to:IAD,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:189.00&airProductToken=AQovCi0IwaYBEgM0MDkYiBggkgEoldf7AjD82fsCOFhAAFgBagJTVnIIT0gyRUFWQk4KLwotCMGmARIDMzY3GJIBIIgYKOWp_AIwi6z8AjhYQABYAWoCU1ZyCE9IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 29 Oct - Wed, 5 Nov IAD Washington SEA Seattle £205 Return found 22 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:29/10/2025TANYT&leg2=from:SEA,to:IAD,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:204.10&airProductToken=AQovCi0IwaYBEgMzNTEYiBggkgEon9L7AjD_1PsCOFhAAFgBagJTVnIIT0gyRVhVQk4KLwotCMGmARIDNDM2GJIBIIgYKKyj_AIw1KX8AjhYQABYAWoCU1ZyCFFIMkVBVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 25 Oct - Sat, 1 Nov IAD Washington SEA Seattle £234 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:25/10/2025TANYT&leg2=from:SEA,to:IAD,departure:01/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:233.10&airProductToken=AQovCi0IwaYBEgMzNzUYiBggkgEo5aX7AjC-qPsCOFhAAFgBagJTVnIIT0gyRUFWQk4KLwotCMGmARIDMzY3GJIBIIgYKOX8-wIwi__7AjhYQABYAWoCU1ZyCE5IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 3 Oct - Sun, 5 Oct IAD Washington SEA Seattle £235 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:03/10/2025TANYT&leg2=from:SEA,to:IAD,departure:05/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:234.20&airProductToken=AQovCi0IwaYBEgMzNTEYiBggkgEotK35AjCIsPkCOFhAAFgBagJTVnIIT0gyRUFWQk4KLwotCMGmARIDMzY3GJIBIIgYKIHN-QIwtc_5AjhYQABYAWoCU1ZyCE5IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 13 Nov - Sat, 15 Nov IAD Washington SEA Seattle £241 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:13/11/2025TANYT&leg2=from:SEA,to:IAD,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:240.60&airProductToken=AQovCi0IwaYBEgMzNTEYiBggkgEou_v8AjCb_vwCOFhAAFgBagJTVnIIT0gyRUFWQk4KLwotCMGmARIDMzY3GJIBIIgYKKWa_QIwy5z9AjhYQABYAWoCU1ZyCE5IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 31 Oct - Fri, 7 Nov IAD Washington SEA Seattle £249 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:IAD,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:248.20&airProductToken=AQovCi0IwaYBEgMzNTEYiBggkgEo3-j7AjC_6_sCOFhAAFgBagJTVnIIUUgyRUFVQk4KLwotCMGmARIDMzY3GJIBIIgYKKXA_AIwy8L8AjhYQABYAWoCU1ZyCE5IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 13 Nov - Sat, 15 Nov IAD Washington SEA Seattle £256 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:13/11/2025TANYT&leg2=from:SEA,to:IAD,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:255.70&airProductToken=AQovCi0IwaYBEgM0MDkYiBggkgEosYD9AjCYg_0COFhAAFgBagJTVnIIUUgyRUFWQk4KLwotCMGmARIDMzY3GJIBIIgYKKWa_QIwy5z9AjhYQABYAWoCU1ZyCE5IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, 24 Jul - Sat, 25 Jul IAD Washington SEA Seattle £323 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:24/07/2026TANYT&leg2=from:SEA,to:IAD,departure:25/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:322.30&airProductToken=AQo0CjII1YIBEgM2NTMYiBggkgEogqCTAzDRopMDOExAAFgBagdFQ09OT01ZcghMRkEyQVFETgo1CjMI1YIBEgQyMDU4GJIBIIgYKJytkwMwwa-TAzhMQABYAWoHRUNPTk9NWXIITEZBMkFRRE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, 24 Jul - Sat, 25 Jul IAD Washington SEA Seattle £395 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:24/07/2026TANYT&leg2=from:SEA,to:IAD,departure:25/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:395.00&airProductToken=AQpnCjIIwYIBEgQxODk4GIgYIKOxASiVm5MDMNSckwM4QkAAWAFqBUJBU0lDcghWVUFIWk5CWgoxCMGCARIDNzI3GKOxASCSASj8nJMDMPuekwM4QkABWAFqBUJBU0lDcghWVUFIWk5CWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 24 Jul - Sat, 25 Jul IAD Washington SEA Seattle £426 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:SEA,departure:24/07/2026TANYT&leg2=from:SEA,to:IAD,departure:25/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:425.50&airProductToken=AQo3CjUIxJgBEgQxMDE1GIgYIJIBKJKZkwMw85uTAzhLQABYAWoJTUFJTkNMQVNDcghLQVVOTDBNUQo2CjQIxJgBEgM1NDEYkgEgiBgot6mTAzDjq5MDOEtAAFgBaglNQUlOQ0xBU0NyCEtBVU5MME1REgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Washington (IAD) to Seattle (SEA) ### August is typically the cheapest month to fly From £166 - £226 per traveller. ## Frequently asked questions ### How much is a flight from Washington Dulles Intl. Airport (IAD) to Seattle - Tacoma Intl. Airport (SEA)? > Start packing your bags, because round-trip flights from IAD to Sea-Tac Airport start from £189. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from IAD to Sea-Tac Airport? > Most flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do need to cancel your holiday, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Dulles Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) 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 Dulles Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Dulles Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)? > You'll be in the air for a while, as the flight distance between Chantilly and SeaTac is 3,700 kilometres. Set up a playlist of your favourite songs before leaving home to keep yourself entertained during your trip. ### Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to SEA? > United Airlines (UA) is a popular option. It offers 60 flights from IAD to Sea-Tac Airport each month. Offering 56 flights a month along this route, Alaska Airlines (AS) is another top pick. ### Are IAD to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute? > It is possible to find a fantastic last-minute deal from IAD to Seattle - Tacoma Intl. Airport (SEA), but it can also be hit-or-miss. As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you're always seeing the latest offers. ## Travel information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Airlines serving | Alaska Airlines | | Return price | £189 | | Distance | 3679 km | | Average flight time | 2 hours 44 mins | ## Book with confidence ### Compare flights from Washington to Seattle easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Seattle - Tacoma 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 Washington Dulles Intl. (IAD) to Seattle - Tacoma Intl. (SEA) The easiest way to view the best deals on flights from Washington to Seattle 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 Washington Dulles Intl. to Seattle - Tacoma Intl. start at just £189 and range up to £426.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Washington and Seattle - booking your flight during October, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Washington to Seattle flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Seattle - Tacoma 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.   ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Washington - [Washington to London (IAD - LCY)](https://expedia.co.uk/lp/flights/iad/lcy/washington-to-london) - [Washington to Bologna (IAD - BLQ)](https://expedia.co.uk/lp/flights/iad/blq/washington-to-bologna) - [Washington to Barcelona (IAD - BCN)](https://expedia.co.uk/lp/flights/iad/bcn/washington-to-barcelona) - [Washington to Florence (IAD - FLR)](https://expedia.co.uk/lp/flights/iad/flr/washington-to-florence) - [Washington to Reykjavik (IAD - KEF)](https://expedia.co.uk/lp/flights/iad/kef/washington-to-reykjavik) - [Washington to Athens (IAD - ATH)](https://expedia.co.uk/lp/flights/iad/ath/washington-to-athens) - [Washington to London (IAD - LHR)](https://expedia.co.uk/lp/flights/iad/lhr/washington-to-london) - [Washington to Lisbon (IAD - LIS)](https://expedia.co.uk/lp/flights/iad/lis/washington-to-lisbon) - [Washington to Munich (IAD - MUC)](https://expedia.co.uk/lp/flights/iad/muc/washington-to-munich) ### Top Routes to Seattle - [Newark Liberty Intl. Airport to Seattle (EWR - SEA)](https://expedia.co.uk/lp/flights/ewr/sea/newark-liberty-intl-airport-to-seattle) - [Los Angeles to Seattle (LAX - SEA)](https://expedia.co.uk/lp/flights/lax/sea/los-angeles-to-seattle) - [London to Seattle (LCY - SEA)](https://expedia.co.uk/lp/flights/lcy/sea/london-to-seattle) - [Paris to Seattle (CDG - SEA)](https://expedia.co.uk/lp/flights/cdg/sea/paris-to-seattle) - [Edinburgh to Seattle (EDI - SEA)](https://expedia.co.uk/lp/flights/edi/sea/edinburgh-to-seattle) - [Istanbul to Seattle (IST - SEA)](https://expedia.co.uk/lp/flights/ist/sea/istanbul-to-seattle) - [New York to Seattle (JFK - SEA)](https://expedia.co.uk/lp/flights/jfk/sea/new-york-to-seattle) - [Dublin to Seattle (DUB - SEA)](https://expedia.co.uk/lp/flights/dub/sea/dublin-to-seattle) - [Birmingham to Seattle (BHX - SEA)](https://expedia.co.uk/lp/flights/bhx/sea/birmingham-to-seattle) - [Vancouver to Seattle (YVR - SEA)](https://expedia.co.uk/lp/flights/yvr/sea/vancouver-to-seattle) - [Newcastle to Seattle (NCL - SEA)](https://expedia.co.uk/lp/flights/ncl/sea/newcastle-to-seattle) - [London to Seattle (LHR - SEA)](https://expedia.co.uk/lp/flights/lhr/sea/london-to-seattle) ### Top Routes from Washington - [British Airways Washington to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-washington-dulles-intl-to-heathrow/ba/iad/lhr) ### Top Routes to Seattle - [Alaska Airlines New York to Seattle](https://expedia.co.uk/lp/flight-routes/alaska-airlines-from-john-f-kennedy-intl-to-seattle-tacoma-intl/as/jfk/sea) - [Aer Lingus Dublin to Seattle](https://expedia.co.uk/lp/flight-routes/aer-lingus-from-dublin-to-seattle-tacoma-intl/ei/dub/sea) ### Top Flight Destinations - [Flights to Las Vegas](https://expedia.co.uk/Cheap-Flights-To-Las-Vegas.d178276.Travel-Guide-Flights) - [Flights to New York](https://expedia.co.uk/Cheap-Flights-To-New-York.d178293.Travel-Guide-Flights) - [Flights to Orlando](https://expedia.co.uk/Cheap-Flights-To-Orlando.d178294.Travel-Guide-Flights) - [Flights to Chicago](https://expedia.co.uk/Cheap-Flights-To-Chicago.d178248.Travel-Guide-Flights) - [Flights to San Diego](https://expedia.co.uk/Cheap-Flights-To-San-Diego.d3073.Travel-Guide-Flights) - [Flights to San Francisco](https://expedia.co.uk/Cheap-Flights-To-San-Francisco.d178305.Travel-Guide-Flights) - [Flights to Los Angeles](https://expedia.co.uk/Cheap-Flights-To-Los-Angeles.d178280.Travel-Guide-Flights) - [Flights to Boston](https://expedia.co.uk/Cheap-Flights-To-Boston.d178239.Travel-Guide-Flights) - [Flights to Miami](https://expedia.co.uk/Cheap-Flights-To-Miami.d178286.Travel-Guide-Flights) - [Flights to Houston](https://expedia.co.uk/Cheap-Flights-To-Houston.d178265.Travel-Guide-Flights) - [Flights to Pigeon Forge](https://expedia.co.uk/Cheap-Flights-To-Pigeon-Forge.d8264.Travel-Guide-Flights) - [Flights to Nashville](https://expedia.co.uk/Cheap-Flights-To-Nashville.d178291.Travel-Guide-Flights) - [Flights to Myrtle Beach](https://expedia.co.uk/Cheap-Flights-To-Myrtle-Beach.d601685.Travel-Guide-Flights) - [Flights to Atlanta](https://expedia.co.uk/Cheap-Flights-To-Atlanta.d178232.Travel-Guide-Flights) - [Flights to San Antonio](https://expedia.co.uk/Cheap-Flights-To-San-Antonio.d178303.Travel-Guide-Flights) - [Flights to Denver](https://expedia.co.uk/Cheap-Flights-To-Denver.d178254.Travel-Guide-Flights) - [Flights to Honolulu](https://expedia.co.uk/Cheap-Flights-To-Honolulu.d1488.Travel-Guide-Flights) - [Flights to Gatlinburg](https://expedia.co.uk/Cheap-Flights-To-Gatlinburg.d7474.Travel-Guide-Flights) - [Flights to Panama City Beach](https://expedia.co.uk/Cheap-Flights-To-Panama-City-Beach.d8021.Travel-Guide-Flights) - [Flights to Atlantic City](https://expedia.co.uk/Cheap-Flights-To-Atlantic-City.d602179.Travel-Guide-Flights) ### Related Airlines - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [TAP Portugal](https://expedia.co.uk/TAP-Portugal-Flights.cTP.Travel-Guide-Airlines) - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Swiss International Air Lines](https://expedia.co.uk/Swiss-International-Air-Lines-Flights.cLX.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [SAS](https://expedia.co.uk/Scandinavian-Airlines-Flights.cSK.Travel-Guide-Airlines) - [Austrian Airlines](https://expedia.co.uk/Austrian-Airlines-Flights.cOS.Travel-Guide-Airlines) - [Air Canada](https://expedia.co.uk/Air-Canada-Flights.cAC.Travel-Guide-Airlines) - [Icelandair](https://expedia.co.uk/Icelandair-Flights.cFI.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [Finnair](https://expedia.co.uk/Finnair-Flights.cAY.Travel-Guide-Airlines) - [Brussels Airlines](https://expedia.co.uk/Brussels-Airlines-Flights.cSN.Travel-Guide-Airlines) Washington Airports #### Baltimore [Baltimore Washington Intl. Thurgood Marshall to Seattle](https://expedia.co.uk/lp/flights/bwi/sea/baltimore-to-seattle) £166.70 #### Washington [Ronald Reagan Washington National to Seattle](https://expedia.co.uk/lp/flights/dca/sea/washington-to-seattle) £204.10 ### Nearby Airports - [Manassas Regional Airport (MNZ)](https://expedia.co.uk/lp/airports/mnz/flights-from-manassas-regional-airport) - [Montgomery County Airpark Airport (GAI)](https://expedia.co.uk/lp/airports/gai/flights-from-montgomery-county-airpark-airport) - [Ronald Reagan Washington National Airport (DCA)](https://expedia.co.uk/lp/airports/dca/flights-from-ronald-reagan-washington-national-airport) - [College Park Airport (CGS)](https://expedia.co.uk/lp/airports/cgs/flights-from-college-park-airport) - [Tipton Airport (FME)](https://expedia.co.uk/lp/airports/fme/flights-from-tipton-airport) - [Eastern West Virginia Regional Airport (MRB)](https://expedia.co.uk/lp/airports/mrb/flights-from-eastern-west-virginia-regional-airport) - [Baltimore Washington Intl. Thurgood Marshall Airport (BWI)](https://expedia.co.uk/lp/airports/bwi/flights-from-baltimore-washington-intl-thurgood-marshall-airport) - [Hagerstown Regional Airport (HGR)](https://expedia.co.uk/lp/airports/hgr/flights-from-hagerstown-regional-airport) - [Martin State Airport (MTN)](https://expedia.co.uk/lp/airports/mtn/flights-from-martin-state-airport) - [Charlottesville-Albemarle Airport (CHO)](https://expedia.co.uk/lp/airports/cho/flights-from-charlottesville-albemarle-airport) ### Expedia's Latest Trends Flights - [LHR to BOS flights](https://expedia.co.uk/lp/flights/lhr/bos/london-to-boston) - [LHR to CVG flights](https://expedia.co.uk/lp/flights/lhr/cvg/london-to-cincinnati) - [LHR to SEA flights](https://expedia.co.uk/lp/flights/lhr/sea/london-to-seattle) - [BOS to LHR flights](https://expedia.co.uk/lp/flights/bos/lhr/boston-to-london) - [LAS to LHR flights](https://expedia.co.uk/lp/flights/las/lhr/las-vegas-to-london) - [LHR to ANC flights](https://expedia.co.uk/lp/flights/lhr/anc/london-to-anchorage) - [LHR to PHL flights](https://expedia.co.uk/lp/flights/lhr/phl/london-to-philadelphia) - [LHR to CMH flights](https://expedia.co.uk/lp/flights/lhr/cmh/london-to-columbus) - [MAN to BOS flights](https://expedia.co.uk/lp/flights/man/bos/manchester-to-boston) - [LAS to LAX flights](https://expedia.co.uk/lp/flights/las/lax/las-vegas-to-los-angeles) - [LHR to FLL flights](https://expedia.co.uk/lp/flights/lhr/fll/london-to-fort-lauderdale) - [LON to NYC flights](https://expedia.co.uk/lp/flights/lon/nyc/london-to-new-york) - [LAS to SFO flights](https://expedia.co.uk/lp/flights/las/sfo/las-vegas-to-san-francisco) - [LHR to CLE flights](https://expedia.co.uk/lp/flights/lhr/cle/london-to-cleveland) - [LHR to PIT flights](https://expedia.co.uk/lp/flights/lhr/pit/london-to-pittsburgh) - [YYZ to NYC flights](https://expedia.co.uk/lp/flights/yyz/nyc/toronto-to-new-york) - [EDI to BOS flights](https://expedia.co.uk/lp/flights/edi/bos/edinburgh-to-boston) - [MAN to LAS flights](https://expedia.co.uk/lp/flights/man/las/manchester-to-las-vegas) - [LAX to LAS flights](https://expedia.co.uk/lp/flights/lax/las/los-angeles-to-las-vegas) - [DFW to LHR flights](https://expedia.co.uk/lp/flights/dfw/lhr/dallas-to-london) - [MAN to DFW flights](https://expedia.co.uk/lp/flights/man/dfw/manchester-to-dallas) - [SFO to LAS flights](https://expedia.co.uk/lp/flights/sfo/las/san-francisco-to-las-vegas) - [JFK to LAS flights](https://expedia.co.uk/lp/flights/jfk/las/new-york-to-las-vegas) - [LHR to NYC flights](https://expedia.co.uk/lp/flights/lhr/nyc/london-to-new-york) - [LHR to SAN flights](https://expedia.co.uk/lp/flights/lhr/san/london-to-san-diego) - [DUB to LAS flights](https://expedia.co.uk/lp/flights/dub/las/dublin-to-las-vegas) - [GLA to LAS flights](https://expedia.co.uk/lp/flights/gla/las/glasgow-to-las-vegas) - [LHR to LAS flights](https://expedia.co.uk/lp/flights/lhr/las/london-to-las-vegas) - [BOS to JFK flights](https://expedia.co.uk/lp/flights/bos/jfk/boston-to-new-york) - [LHR to DFW flights](https://expedia.co.uk/lp/flights/lhr/dfw/london-to-dallas) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. 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