Title: £127 Cheap Flights from Pasco to Seattle (PSC 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) # £127 Cheap Flights from Pasco (PSC) to Seattle (SEA) [View £127 flight on Sun, 9 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:PSC,to:SEA,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:126.50&airProductToken=AQowCi4IwaYBEgQzNDA4GM8UIJIBKNDS_AIwm9P8AjhYQABYAWoCU1ZyCFZINE9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [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 Tri-Cities Airport (PSC) 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:psc,to:sea,departure:15/11/2025TANYT&leg2=from:sea,to:psc,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:psc,to:sea,departure:15/11/2025TANYT&leg2=from:sea,to:psc,departure:22/11/2025TANYT&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:psc,to:sea,departure:15/11/2025TANYT&leg2=from:sea,to:psc,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:psc,to:sea,departure:15/11/2025TANYT&leg2=from:sea,to:psc,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:psc,to:sea,departure:15/11/2025TANYT&leg2=from:sea,to:psc,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![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 Pasco (PSC) to Seattle (SEA) Prices were available within the past 7 days and start at £127 for one-way flights and £111 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) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £111 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:110.10&airProductToken=AQowCi4IwaYBEgQyMDM0GM8UIJIBKO-C_wIwsYP_AjhYQABYAWoCU1ZyCE9IMkVYVUJOCjAKLgjBpgESBDIyMzMYkgEgzxQo7ov_AjCrjP8COFhAAFgBagJTVnIIUUgyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £112 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:111.20&airProductToken=AQovCi0IwaYBEgM3OTUYzxQgkgEo1_v_AjCi_P8COFhAAFgBagJTVnIIUUgyRVhWQk4KLwotCMGmARIDNzcxGJIBIM8UKLPRgAMw8dGAAzhYQABYAWoCU1ZyCEdIMkVYVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £119 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:118.70&airProductToken=AQowCi4IwaYBEgQyMDM1GM8UIJIBKJD9_wIw1f3_AjhYQABYAWoCU1ZyCE5IMkVBVkJOCi8KLQjBpgESAzc3MRiSASDPFCiz0YADMPHRgAM4WEAAWAFqAlNWcghPSDJFWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £133 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:132.70&airProductToken=AQowCi4IwaYBEgQzMDE1GM8UIJIBKMSE_wIwkYX_AjhYQABYAWoCU1ZyCFFIMkVBVkJOCjAKLgjBpgESBDIyMzMYkgEgzxQo7ov_AjCrjP8COFhAAFgBagJTVnIIUUgyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £134 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:133.70&airProductToken=AQowCi4IwaYBEgQyMDM0GM8UIJIBKM_-_wIwkf__AjhYQABYAWoCU1ZyCFNIMkVBVkJOCi8KLQjBpgESAzc3MRiSASDPFCiz0YADMPHRgAM4WEAAWAFqAlNWcghPSDJFWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £141 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:140.20&airProductToken=AQowCi4IwaYBEgQyMDM0GM8UIJIBKO-C_wIwsYP_AjhYQABYAWoCU1ZyCE9IMkVYVUJOCjAKLgjBpgESBDIxMDAYkgEgzxQompL_AjDWkv8COFhAAFgBagJTVnIIVkgyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £142 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:141.30&airProductToken=AQowCi4IwaYBEgQyMTAxGM8UIJIBKMj6_wIwkfv_AjhYQABYAWoCU1ZyCFZIMkVBVkJOCi8KLQjBpgESAzc3MRiSASDPFCiz0YADMPHRgAM4WEAAWAFqAlNWcghHSDJFWFZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 14 Dec - Sun, 21 Dec PSC Pasco SEA Seattle £149 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:14/12/2025TANYT&leg2=from:SEA,to:PSC,departure:21/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:148.80&airProductToken=AQovCi0IwaYBEgM3OTUYzxQgkgEo99n_AjDC2v8COFhAAFgBagJTVnIIT0gyRUFVQk4KLwotCMGmARIDNzcxGJIBIM8UKNOvgAMwkbCAAzhYQABYAWoCU1ZyCFZIMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £156 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:155.20&airProductToken=AQowCi4IwaYBEgQzMDE1GM8UIJIBKMSE_wIwkYX_AjhYQABYAWoCU1ZyCFFIMkVBVkJOCjAKLgjBpgESBDIwMTYYkgEgzxQoqY3_AjDqjf8COFhAAFgBagJTVnIIU0gyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £157 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:156.30&airProductToken=AQovCi0IwaYBEgM3OTUYzxQgkgEo1_v_AjCi_P8COFFAAFgBagJNQXIIUUgyRUFWTU4KLwotCMGmARIDNzcxGJIBIM8UKLPRgAMw8dGAAzhPQABYAWoCTUFyCE9IMkVYVU1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £163 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:162.80&airProductToken=AQovCi0IwaYBEgM3OTUYzxQgkgEo9__-AjDCgP8COFhAAFgBagJTVnIIUUgyRUFWQk4KMAouCMGmARIEMjEwMBiSASDPFCiakv8CMNaS_wI4WEAAWAFqAlNWcghWSDJFQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £164 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:163.80&airProductToken=AQowCi4IwaYBEgQyMDM1GM8UIJIBKJD9_wIw1f3_AjhOQABYAWoCTUFyCE5IMkVBVk1OCi8KLQjBpgESAzc3MRiSASDPFCiz0YADMPHRgAM4R0AAWAFqAk1BcghHSDJFWFZNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £172 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:171.40&airProductToken=AQowCi4IwaYBEgQyMDM1GM8UIJIBKJD9_wIw1f3_AjhYQABYAWoCU1ZyCE5IMkVBVkJOCjAKLgjBpgESBDIxMDAYkgEgzxQo78-AAzCq0IADOFhAAFgBagJTVnIIVkgyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £179 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:178.90&airProductToken=AQowCi4IwaYBEgQyMDM0GM8UIJIBKM_-_wIwkf__AjhTQABYAWoCTUFyCFNIMkVBVk1OCi8KLQjBpgESAzc3MRiSASDPFCiz0YADMPHRgAM4T0AAWAFqAk1BcghPSDJFWFVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £186 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:185.30&airProductToken=AQowCi4IwaYBEgQyMTAxGM8UIJIBKOj-_gIwsf_-AjhYQABYAWoCU1ZyCFZIMkVBVkJOCjAKLgjBpgESBDIwMTYYkgEgzxQoqY3_AjDqjf8COFhAAFgBagJTVnIIU0gyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £187 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:186.40&airProductToken=AQovCi0IwaYBEgM3OTUYzxQgkgEo1_v_AjCi_P8COFhAAFgBagJTVnIIUUgyRUFWQk4KMAouCMGmARIEMjM2NxiSASDPFCiazoADMNXOgAM4WEAAWAFqAlNWcghMSDJFQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 6 Dec - Sun, 7 Dec PSC Pasco SEA Seattle £193 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:06/12/2025TANYT&leg2=from:SEA,to:PSC,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:192.90&airProductToken=AQowCi4IwaYBEgQyMTAxGM8UIJIBKOj-_gIwsf_-AjhYQABYAWoCU1ZyCFZIMkVBVkJOCjAKLgjBpgESBDMwMjMYkgEgzxQo_Y7_AjC_j_8COFhAAFgBagJTVnIIVkgyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec PSC Pasco SEA Seattle £194 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:17/12/2025TANYT&leg2=from:SEA,to:PSC,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:193.90&airProductToken=AQowCi4IwaYBEgQyMTAxGM8UIJIBKMj6_wIwkfv_AjhYQABYAWoCU1ZyCFZIMkVBVkJOCjAKLgjBpgESBDIxMDAYkgEgzxQo78-AAzCq0IADOFhAAFgBagJTVnIIVkgyRUFWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 14 Dec - Sun, 21 Dec PSC Pasco SEA Seattle £202 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PSC,to:SEA,departure:14/12/2025TANYT&leg2=from:SEA,to:PSC,departure:21/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:201.50&airProductToken=AQowCi4IwaYBEgQyMDM1GM8UIJIBKLDb_wIw9dv_AjhRQABYAWoCTUFyCFFIMkVBVk1OCjAKLgjBpgESBDE0ODYYkgEgzxQo16iAAzCcqYADOFNAAFgBagJNQXIIU0gyRUFWTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ## Find the cheapest month to fly from Pasco (PSC) to Seattle (SEA) ### February is typically the cheapest month to fly From £57 - £161 per traveller. ## Frequently asked questions ### How much is a flight from PSC to Seattle - Tacoma Intl. Airport (SEA)? > If you're planning on travelling from PSC to Seattle - Tacoma Intl. Airport (SEA), round-trip journeys start from £111. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't wait 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 Tri-Cities Airport to Sea-Tac Airport? > We get that things come up unexpectedly, so we've made it as hassle-free 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 PSC to Sea-Tac 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 PSC 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 PSC to Sea-Tac Airport? > Forget about a movie marathon on this flight — it's just 280 kilometres from Pasco to SeaTac. Find your seat, buckle up and you'll be touching down in next to no time. ### Which airlines fly direct from Tri-Cities Airport to SEA? > A popular airline that flies from Tri-Cities Airport (PSC) to SEA is Alaska Airlines (AS). It offers 147 flights a month. Delta Air Lines (DL) is also worth a look. It offers 91 flights every month. Between these two airlines, you'll be able to find a good deal from Pasco to SeaTac. ### Are Tri-Cities Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute? > Booking last minute from PSC to SEA can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you'd rather start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines issue their prices that far in advance. Our advice? Check back often as updates are made frequently. ## Travel information | Origin airport | Tri-Cities | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Airlines serving | Alaska Airlines | | Return price | £110 | | Distance | 274 km | | Average flight time | 1 hour 14 mins | ## Book with confidence ### Compare flights from Pasco to Seattle easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Pasco 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 Tri-Cities 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 Tri-Cities (PSC) to Seattle - Tacoma Intl. (SEA) The easiest way to view the best deals on flights from Pasco 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 Tri-Cities to Seattle - Tacoma Intl. start at just £111 and range up to £202.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Pasco and Seattle - 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 Pasco to Seattle flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Tri-Cities 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. 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