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$330+ Cheap flights from Saint Thomas Island (STT) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SEA
Apr 7 — Apr 141
Tue 4/7
Tue 4/14
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to Seattle

Cheapest flights from Saint Thomas Island to Seattle
Explore the most affordable flight options available from Saint Thomas Island to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 8, 2026.

This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:45 am
STT
-
SEA
1 stop11h 54m
American Airlines
Tue 11/312:59 am
SEA
-
STT
2 stops11h 56m
American Airlines
Deal found 3/8$529
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:45 pm
STT
-
SEA
2 stops13h 55m
Southwest
Tue 6/164:45 pm
SEA
-
STT
2 stops18h 00m
Southwest
Deal found 3/5$700
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:34 pm
STT
-
SEA
1 stop13h 34m
American Airlines
Tue 6/168:53 pm
SEA
-
STT
1 stop16h 05m
American Airlines
Deal found 3/3$710

Find flight deals from Saint Thomas Island to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$700
(Southwest)

One-way from

$330
(Kiwi.com)
Provider with most accurate pricing for Saint Thomas Island Cyril E King-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Saint Thomas Island Cyril E King-Seattle/Tacoma Intl flights.
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From Saint Thomas Island Cyril E King to Seattle/Tacoma Intl
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One-way flight from Saint Thomas Island Cyril E King to Seattle/Tacoma Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 8, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Mon 6/8

2:45 pm-1:40 am

2 stops13h 55m

Seattle/Tacoma Intl

Tue 6/16

4:45 pm-1:45 pm

2 stops18h 00m

$700

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Mon 6/8

1:34 pm-12:08 am

1 stop13h 34m

Seattle/Tacoma Intl

Tue 6/16

8:53 pm-3:58 pm

1 stop16h 05m

$710

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sat 3/28

1:12 pm-11:04 pm

1 stop12h 52m

Seattle/Tacoma Intl

Sun 4/5

5:00 pm-4:02 pm

1 stop20h 02m

$1,008
Quickest round-trip

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sun 3/29

1:08 pm-12:24 am

1 stop14h 16m

Seattle/Tacoma Intl

Sat 4/4

12:07 am-2:46 pm

2 stops11h 39m

$1,028
Cheapest one-way
Quickest one-way

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Thu 6/11

4:15 pm-12:06 am

1 stop10h 51m

$330

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sun 3/15

12:02 pm-12:24 am

2 stops15h 22m

$393

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sun 3/15

2:36 pm-9:03 pm

3 stops57h 27m

$456

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sat 3/28

2:36 pm-8:20 pm

2 stops32h 44m

$467

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sat 3/28

1:55 pm-10:05 pm

1 stop11h 10m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Saint Thomas Island-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint Thomas Island-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint Thomas Island-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint Thomas Island-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint Thomas Island-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Saint Thomas Island to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Saint Thomas Island with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Saint Thomas Island to Seattle?

    Southwest and American Airlines can get you from Saint Thomas Island to Seattle in just under 13h 34m. Your travel time can differ by up to 21m. The distance between Saint Thomas Island and Seattle is about 3775 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Saint Thomas Island to Seattle that include hotel bookings?

    Yes. In addition to deals on Saint Thomas Island to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Saint Thomas Island to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Seattle.

  • Can I find deals for business class flights from Saint Thomas Island to Seattle?

    Yes. Cheapflights offers flight deals from Saint Thomas Island to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
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Chehalis

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