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Saint Thomas Island

$207+ Cheap flights from Washington to Saint Thomas Island (STT)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Washington to Saint Thomas Island

Keep the following information in mind while searching for Washington to Saint Thomas Island flight deals. Data was last updated September 15, 2025.

Round-trip from

$473
(American Airlines)

One-way from

$207
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$541
From Washington to Saint Thomas Island Cyril E King
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One-way flight from Washington to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 11% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Saint Thomas Island

Cheapest flights from Washington to Saint Thomas Island
Explore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/1012:38 amSEA - STT
2 stops12h 20mAmerican Airlines
Wed 12/176:17 pmSTT - SEA
2 stops19h 45mAmerican Airlines
Deal found 9/14$473
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/1810:01 pmSEA - STT
1 stop9h 49mAmerican Airlines
Fri 10/315:20 pmSTT - SEA
2 stops19h 28mAmerican Airlines
Deal found 9/14$475
This American Airlines deal was found by Cheapflights users on 9/14. 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 12/412:38 amSEA - STT
2 stops12h 20mAmerican Airlines
Mon 12/84:16 pmSTT - SEA
1 stop11h 00mAmerican Airlines
Deal found 9/14$511
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:34 amSEA - STT
1 stop22h 22mMultiple Airlines
Mon 10/2011:01 amSTT - SEA
1 stop14h 21mMultiple Airlines
Deal found 9/13$524
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:28 amPDX - STT
3 stops26h 29mMultiple Airlines
Thu 10/210:49 amSTT - PDX
3 stops27h 22mMultiple Airlines
Deal found 9/13$557
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/175:42 pmPDX - STT
2 stops18h 07mAmerican Airlines
Mon 11/246:17 pmSTT - PDX
2 stops20h 53mAmerican Airlines
Deal found 9/13$559
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:20 pmSEA - STT
2 stops17h 36mUnited Airlines
Thu 11/61:02 pmSTT - SEA
2 stops15h 57mUnited Airlines
Deal found 9/13$563
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 11/110:39 amSEA - STT
2 stops27h 18mAmerican Airlines
Fri 11/76:17 pmSTT - SEA
2 stops22h 53mAmerican Airlines
Deal found 9/13$583
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/19:20 pmSEA - STT
1 stop16h 37mAmerican Airlines
Tue 11/116:17 pmSTT - SEA
2 stops19h 32mAmerican Airlines
Deal found 9/14$601
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 11/410:08 pmSEA - STT
1 stop14h 49mAmerican Airlines
Mon 11/106:17 pmSTT - SEA
2 stops22h 26mAmerican Airlines
Deal found 9/13$621
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:25 pmSEA - STT
2 stops17h 47mUnited Airlines
Wed 12/171:02 pmSTT - SEA
2 stops15h 57mUnited Airlines
Deal found 9/13$639
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/21:59 pmSEA - STT
2 stops21h 26mAmerican Airlines
Fri 11/76:17 pmSTT - SEA
2 stops19h 19mAmerican Airlines
Deal found 9/13$644

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Saint Thomas Island 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 September 15, 2025.
Use the filters below to find and compare flights from Washington to Saint Thomas Island that are best for you.

Fly from

Washington

Fly to

Saint Thomas Island

Route

Depart

Return

Price

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

7:30 pm-1:56 pm

2 stops14h 26m

Saint Thomas Island Cyril E King

Thu 1/22

1:02 pm-8:37 pm

1 stop11h 35m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

6:22 pm-12:10 pm

2 stops13h 48m

Saint Thomas Island Cyril E King

Thu 1/22

12:25 pm-10:19 pm

2 stops13h 54m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

9:55 pm-1:45 pm

1 stop11h 50m

Saint Thomas Island Cyril E King

Thu 1/22

3:00 pm-10:25 pm

1 stop11h 25m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 11/17

7:28 pm-1:12 pm

2 stops13h 44m

Saint Thomas Island Cyril E King

Thu 11/20

1:02 pm-12:59 am

2 stops15h 57m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 11/17

10:08 pm-4:57 pm

1 stop14h 49m

Saint Thomas Island Cyril E King

Thu 11/20

6:17 pm-9:16 am

2 stops18h 59m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 3/10

11:35 pm-11:50 am

1 stop9h 15m

Saint Thomas Island Cyril E King

Wed 3/25

2:00 pm-12:16 am

1 stop13h 16m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Fri 12/5

7:29 pm-2:30 pm

2 stops15h 01m

Saint Thomas Island Cyril E King

Mon 12/8

1:02 pm-12:59 am

2 stops15h 57m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sat 10/18

10:01 pm-10:50 am

1 stop9h 49m

Saint Thomas Island Cyril E King

Fri 10/31

1:39 pm-11:35 pm

1 stop12h 56m

$475

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 1/12

7:45 pm-1:45 pm

2 stops14h 00m

Saint Thomas Island Cyril E King

Fri 1/23

4:00 pm-10:39 pm

1 stop10h 39m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 2/17

11:59 pm-3:51 pm

1 stop11h 52m

Saint Thomas Island Cyril E King

Tue 2/24

2:35 pm-10:57 pm

2 stops12h 22m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 23 results
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Best time to book a flight from Washington to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Saint Thomas Island

What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $433). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $645). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to STT?

Find hourly flight availability from Washington to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from State of Washington to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • What airport do you fly into for flights to Saint Thomas Island from Washington?

    If you book a flight to Saint Thomas Island from Washington, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island.

  • How long is the flight from State of Washington to Saint Thomas Island?

    Airlines like United Airlines, American Airlines, and Delta fly from State of Washington to Saint Thomas Island in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 2h 36m. State of Washington and Saint Thomas Island are separated by a distance of 3775 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $433). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $645). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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Alternative routes for Washington to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Christiansted flights
Indianapolis to Saint Thomas Island flights
Reagan-National to Christiansted flights
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Dallas/Fort Worth to Christiansted flights
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Tampa to Saint Thomas Island flights
Tampa to Christiansted flights
Atlanta to Christiansted flights
San Francisco to Saint Thomas Island flights
Hobby to Christiansted flights
Dulles Intl to Christiansted flights
Orlando to Christiansted flights
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Top 4 airlines flying from Washington to Saint Thomas Island

Discover the top 4 airlines that operate flights from Washington to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$261Average$540FlexibilityNo cancel feeOn-time65%
DeltaCheapest$280Average$650FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$443Average$689FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$495Average$694FlexibilityNo cancel feeOn-time69%

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