Title: CA $713 Cheap Delta fights from Seattle to St. Thomas - Expedia.ca ![](https://images.trvl-media.com/place/6140138/57cc4b04-8c90-4cee-a0ef-1a113eaebf69.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6140138/57cc4b04-8c90-4cee-a0ef-1a113eaebf69.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $713 Cheap Delta fights from Seattle (SEA) to St. Thomas (STT) [View CA $713 flight on Fri, Nov 28, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:STT,departure:28/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:712.70&airProductToken=AQpuCjQIxJgBEgM0NTIYkgEgqVEop6z-AjDmrv4COEVAAFgBaglNQUlOQkFTSUNyCFVOTkEwTkJaCjYIxJgBEgQxOTMwGKlRIPKcASjbr_4CMM2x_gI4RUABWAFqCU1BSU5CQVNJQ3IIVU5OQTBOQloSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) - [Roundtrip](?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 30% 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.ca/login) ## Delta flights from Seattle to St. Thomas (SEA→STT) Prices were available within the past 7 days and start at CA $713 for one-way flights and CA $800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, Nov 27 - Wed, Dec 10 SEA Seattle STT St. Thomas CA $800 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STT,departure:27/11/2025TANYT&leg2=from:STT,to:SEA,departure:10/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:799.80&airProductToken=AQpECh8IxJgBEgM2NTIYkgEg4FwoxKH-AjDZo_4COEVAAFgBCiEIxJgBEgQxODk5GOBcIPKcASikpf4CMICn_gI4RUABWAEKRAohCMSYARIEMTk1MBjynAEg4Fwoyq7_AjDFsP8COEVAAFgBCh8IxJgBEgM5MDMY4FwgkgEozLH_AjCetP8COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Dec 21 - Fri, Jan 2 SEA Seattle STT St. Thomas CA $2,919 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STT,departure:21/12/2025TANYT&leg2=from:STT,to:SEA,departure:02/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2918.80&airProductToken=AQpuCjQIxJgBEgM1NjcYkgEg4Fwov6-AAzDVsYADOExAAFgBaglNQUlOQ0xBU0NyCExOWEEwTk1aCjYIxJgBEgQxODg5GOBcIPKcASiXtIADMOm1gAM4TEABWAFqCU1BSU5DTEFTQ3IITE5YQTBOTVoSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Dec 21 - Fri, Jan 2 SEA Seattle STT St. Thomas CA $3,058 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STT,departure:21/12/2025TANYT&leg2=from:STT,to:SEA,departure:02/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3057.80&airProductToken=AQpuCjQIxJgBEgM1NjcYkgEg4Fwov6-AAzDVsYADOExAAFgBaglNQUlOQ0xBU0NyCExOWEEwTk1aCjYIxJgBEgQxODIzGOBcIPKcASixsoADMIa0gAM4TEABWAFqCU1BSU5DTEFTQ3IITE5YQTBOTVoSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Dec 21 - Fri, Jan 2 SEA Seattle STT St. Thomas CA $3,087 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STT,departure:21/12/2025TANYT&leg2=from:STT,to:SEA,departure:02/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3086.80&airProductToken=AQpuCjQIxJgBEgM1NjcYkgEg4Fwov6-AAzDVsYADOExAAFgBaglNQUlORVhUUkFyCExOWEEwUk1ZCjYIxJgBEgQxODIzGOBcIPKcASixsoADMIa0gAM4TEABWAFqCU1BSU5FWFRSQXIITE5YQTBSTVkSCggBEAEYASoCREwYASIECAEQASgCKAQoBjAB) Flight from Seattle to St. Thomas (SEA - STT) route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Cyril E. King | | Airlines serving | American Airlines, Delta, United | | Popular airline | Delta | | Distance | 6043 km | ## Frequently asked questions ### How much is a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Cyril E. King Airport (STT)? > Landing cheap one-way Delta Air Lines flights from SEA to STT from CA $713 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our affordable return fares from CA $800 for your next exciting vacation.\**\*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 STT with Delta Air Lines? > September is one of the least expensive months to jet away to St. Thomas with Delta Air Lines. You could also find great prices on return and one-way tickets in October. ### Does Delta Air Lines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Cyril E. King Airport (STT)? > To figure out if there's a direct trip from SEA to STT with Delta Air Lines or another airline, select the "Nonstop" filter when looking for tickets. ### What airports does Delta Air Lines fly into in St. Thomas? > Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to St. Thomas land at Cyril E. King Airport (STT). This is the main entry point to this destination. ### Can I change or cancel my Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Cyril E. King Airport (STT)? > Changes are usually free within 24 hours of making your booking, but your airline may charge a fee after that time. For more information about altering your reservation, check out your "[Trips](https://www.expedia.ca/trips)," select your flight and click on "Manage Booking." 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