Title: £80 Cheap Delta flights from Seattle to Pasco (SEA→PSC) - Expedia.co.uk ![Beautiful lake. ](https://images.trvl-media.com/place/2878/e076e0af-b611-4721-b423-65a87b93597f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Brandi Blair ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £80 Cheap Delta flights from Seattle to Pasco (SEA→PSC) [View £80 flight on Thu, 23 Oct 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:PSC,departure:23/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:80.00&airProductToken=AQo3CjUIxJgBEgQ0MDE3GJIBIM8UKN2W-wIwo5f7AjhFQABYAWoJTUFJTkJBU0lDcghYQVZTQTBCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) - [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 ![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) ## Delta flights from Seattle to Pasco (SEA→PSC) Prices were available within the past 7 days and start at £80 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return Flight from Seattle to Pasco route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Tri-Cities | | Airlines serving | Alaska Airlines | | Popular airline | Alaska Airlines | | Distance | 274 km | | Average flight time | 1 hour 5 mins | ## Frequently asked questions ### How much is a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC)? > Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines round-trip flights from SEA to PSC. Affordable one-way fares from £80 are available too.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from SEA to PSC with Delta Air Lines? > January is one of the most affordable months to jet away to Pasco with Delta Air Lines. You could also find fantastic deals on one-way and round-trip tickets in February. ### Does Delta Air Lines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC)? > Delta Air Lines has direct flights from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC), with 20 departures every week. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to find all direct Delta Air Lines flights to PSC. ### How long does it take to fly from SEA to PSC with Delta Air Lines? > Take off from Seattle - Tacoma Intl. Airport (SEA) for Tri-Cities Airport (PSC) on a direct Delta Air Lines flight, and you'll be airborne for about 1h 6m. ### Which day of the week has the most Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC)? > If it's flexibility you're after, Sunday offers the most choice for Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC). You can pick from 3 different departures. ### What airports does Delta Air Lines fly into in Pasco? > The majority of Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Pasco arrive at Tri-Cities Airport (PSC). This is the airline's main entry point to this city. It's worth checking Expedia for flights to nearby airports like Walla Walla Regional Airport (ALW), as prices may be cheaper. ### What type of plane does Delta Air Lines fly from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC)? > Set off on a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC), and you'll likely be flying on an Embraer 175. Bear in mind though, that the aircraft type can change due to operational reasons. ### Can I change or cancel my Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC)? > It's generally possible to cancel or reschedule your flight, although there may be a charge if you booked over 24 hours ago. Need flexible options? Use Expedia's "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you have to revise your plans. 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