Title: CA $218 Cheap Delta fights from Buffalo 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 $218 Cheap Delta fights from Buffalo (BUF) to St. Thomas (STT) [View CA $218 flight on Tue, Apr 28, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BUF,to:STT,departure:28/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:217.40&airProductToken=AQpvCjUIxJgBEgQyNjY0GIEtIOBcKNjFiwMw3MaLAzhFQABYAWoJTUFJTkJBU0lDcghWTk5MME5CWgo2CMSYARIEMTg4ORjgXCDynAEop8iLAzCEyosDOEVAAVgBaglNQUlOQkFTSUNyCFZOTkwwTkJaEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) - [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 ## Delta flights from Buffalo to St. Thomas (BUF→STT) Prices were available within the past 7 days and start at CA $218 for one-way flights and CA $441 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) Tue, Mar 24 - Wed, Apr 1 BUF Buffalo STT St. Thomas CA $441 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:STT,departure:24/03/2026TANYT&leg2=from:STT,to:BUF,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:440.20&airProductToken=AQpFCiAIxJgBEgQyNjY0GIEtIOBcKPi7iAMwi72IAzhFQABYAQohCMSYARIEMTg4ORjgXCDynAEos76IAzCLwIgDOEVAAVgBCkUKIQjEmAESBDE5NTAY8pwBIKlRKMyaiQMw45yJAzhFQABYAQogCMSYARIENTI2NBipUSCBLSjCnYkDMKWeiQM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Feb 2 - Fri, Feb 13 BUF Buffalo STT St. Thomas CA $502 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:STT,departure:02/02/2026TANYT&leg2=from:STT,to:BUF,departure:13/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:501.20&airProductToken=AQpvCjUIxJgBEgQyNjY0GIEtIOBcKPSJhAMwjouEAzhFQABYAWoJTUFJTkJBU0lDcghWTk5MME5CWgo2CMSYARIEMTg4ORjgXCDynAEox4yEAzCajoQDOEVAAVgBaglNQUlOQkFTSUNyCFZOTkwwTkJaEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Mar 24 - Tue, Mar 31 BUF Buffalo STT St. Thomas CA $517 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:STT,departure:24/03/2026TANYT&leg2=from:STT,to:BUF,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:516.20&airProductToken=AQpFCiAIxJgBEgQyNjY0GIEtIOBcKPi7iAMwi72IAzhFQABYAQohCMSYARIEMTg4ORjgXCDynAEos76IAzCLwIgDOEVAAVgBCkUKIQjEmAESBDE3NzQY8pwBIOBcKLiOiQMwvZCJAzhFQABYAQogCMSYARIEMjMzNBjgXCCBLSiSkokDMI2TiQM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Mar 24 - Fri, Mar 27 BUF Buffalo STT St. Thomas CA $568 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:STT,departure:24/03/2026TANYT&leg2=from:STT,to:BUF,departure:27/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:567.20&airProductToken=AQpFCiAIxJgBEgQyNjY0GIEtIOBcKPi7iAMwi72IAzhFQABYAQohCMSYARIEMTg4ORjgXCDynAEos76IAzCLwIgDOEVAAVgBCkUKIQjEmAESBDE5NTAY8pwBIKlRKKziiAMww-SIAzhFQABYAQogCMSYARIENTI2NBipUSCBLSii5YgDMIXmiAM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Feb 2 - Fri, Feb 13 BUF Buffalo STT St. Thomas CA $572 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:STT,departure:02/02/2026TANYT&leg2=from:STT,to:BUF,departure:13/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:571.20&airProductToken=AQpvCjUIxJgBEgQyNjY0GIEtIOBcKPSJhAMwjouEAzhFQABYAWoJTUFJTkJBU0lDcghWTk5MME5CWgo2CMSYARIEMTg4ORjgXCDynAEox4yEAzCajoQDOEVAAVgBaglNQUlOQkFTSUNyCFZOTkwwTkJaEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Feb 2 - Fri, Feb 13 BUF Buffalo STT St. Thomas CA $579 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:STT,departure:02/02/2026TANYT&leg2=from:STT,to:BUF,departure:13/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:578.20&airProductToken=AQpvCjUIxJgBEgQyNjY0GIEtIOBcKPSJhAMwjouEAzhFQABYAWoJTUFJTkJBU0lDcghYTk5MMFZCWgo2CMSYARIEMTg4MxjgXCDynAEogoyEAzDYjYQDOEVAAVgBaglNQUlOQkFTSUNyCFhOTkwwVkJaEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) Flight from Buffalo to St. Thomas (BUF - STT) route information | Origin airport | Buffalo Niagara Intl. | | --- | --- | | Destination airport | Cyril E. King | | Airlines serving | American Airlines, Delta, JetBlue Airways, United | | Popular airline | American Airlines | | Distance | 3008 km | ## Frequently asked questions ### How much is a Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)? > Apply the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines round-trip flights from CA $441 from BUF to STT. Affordable one-way options from CA $218 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 BUF to STT with Delta Air Lines? > Delta Air Lines flights to St. Thomas are often more affordable in the low-season months of September and October. Whether you're after a round-trip or one-way ticket, you could find a better deal then. ### Does Delta Air Lines fly nonstop from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)? > Use the "Nonstop" filter when looking for direct Delta Air Lines flights from BUF to STT. It's also a great way to compare other airlines servicing the same direct trip. ### What airports does Delta Air Lines fly into in St. Thomas? > Jump on a Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to St. Thomas, and you'll most likely touch down at Cyril E. King Airport (STT). This is the airline's main hub in this destination. ### Can I change or cancel my Delta Air Lines flight from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)? > Changes are usually free within 24 hours of booking, but your airline may charge you after that time. For more information about altering your reservation, head to your "[Trips](https://www.expedia.ca/trips)," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, apply the "Changes included" or "No cancel fee" filter when planning your next break. ## Explore a world of travel with Expedia \*Available to Expedia members.