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Saint Thomas Island

$255+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 pmSEA - STT
1 stop9h 43mDelta
Mon 1/123:10 pmSTT - SEA
1 stop11h 40mDelta
Deal found 12/16$597
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/3010:13 pmSEA - STT
1 stop9h 52mAmerican Airlines
Mon 1/122:26 pmSTT - SEA
1 stop11h 41mAmerican Airlines
Deal found 12/17$602
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/1710:45 pmPDX - STT
1 stop14h 54mAmerican Airlines
Wed 12/244:25 pmSTT - PDX
2 stops24h 25mAmerican Airlines
Deal found 12/16$865
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2310:49 pmPDX - STT
1 stop12h 43mAmerican Airlines
Sun 12/286:36 pmSTT - PDX
2 stops20h 24mAmerican Airlines
Deal found 12/16$945
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2011:07 pmSEA - STT
1 stop10h 45mAmerican Airlines
Wed 12/316:36 pmSTT - SEA
2 stops18h 51mAmerican Airlines
Deal found 12/16$970
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/175:05 pmSEA - STT
2 stops14h 55mUnited Airlines
Fri 12/263:05 pmSTT - SEA
1 stop11h 42mUnited Airlines
Deal found 12/16$1,009
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2011:59 pmPDX - STT
1 stop10h 31mUnited Airlines
Mon 12/221:02 pmSTT - PDX
2 stops13h 38mUnited Airlines
Deal found 12/16$1,019
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/215:53 pmSEA - STT
2 stops16h 03mUnited Airlines
Wed 12/315:20 pmSTT - SEA
1 stop22h 07mUnited Airlines
Deal found 12/16$1,045
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2010:49 pmPDX - STT
1 stop14h 50mAmerican Airlines
Mon 12/224:25 pmSTT - PDX
1 stop12h 34mAmerican Airlines
Deal found 12/16$1,079
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/217:45 pmPDX - STT
2 stops16h 33mUnited Airlines
Tue 12/231:02 pmSTT - PDX
2 stops13h 57mUnited Airlines
Deal found 12/17$1,119
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:09 pmPDX - STT
2 stops15h 34mDelta
Wed 12/241:48 pmSTT - PDX
2 stops13h 05mDelta
Deal found 12/16$1,163
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/179:37 pmSEA - STT
1 stop10h 28mAmerican Airlines
Fri 12/261:05 pmSTT - SEA
1 stop12h 05mAmerican Airlines
Deal found 12/16$1,168

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(Delta)

One-way from

$255
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$779
Provider with most accurate pricing for Seattle/Tacoma Intl-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Saint Thomas Island Cyril E King flights.
Search Deals
From Washington to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Washington to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 4/19

11:40 pm-3:16 pm

1 stop12h 36m

Saint Thomas Island Cyril E King

Wed 4/29

1:15 pm-10:05 pm

1 stop11h 50m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

11:12 pm-5:05 pm

2 stops13h 53m

Saint Thomas Island Cyril E King

Thu 1/22

4:47 pm-9:37 am

2 stops20h 50m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Thu 1/29

7:30 pm-4:18 pm

2 stops16h 48m

Saint Thomas Island Cyril E King

Tue 2/3

1:02 pm-12:59 am

2 stops15h 57m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

11:12 pm-3:56 pm

2 stops12h 44m

Saint Thomas Island Cyril E King

Sun 1/18

2:26 pm-10:07 pm

1 stop11h 41m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 2/1

9:55 pm-1:22 pm

1 stop11h 27m

Saint Thomas Island Cyril E King

Thu 2/5

3:10 pm-11:15 pm

1 stop12h 05m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Wed 1/7

6:05 pm-1:22 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Wed 1/21

4:15 pm-11:15 pm

1 stop11h 00m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Thu 1/29

11:11 pm-2:02 pm

1 stop10h 51m

Saint Thomas Island Cyril E King

Sun 2/8

6:39 pm-9:37 am

2 stops18h 58m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Wed 2/25

10:11 pm-1:47 pm

1 stop11h 36m

Saint Thomas Island Cyril E King

Sun 3/8

1:13 pm-11:30 pm

1 stop13h 17m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Thu 1/22

7:00 pm-1:22 pm

2 stops14h 22m

Saint Thomas Island Cyril E King

Thu 2/5

4:15 pm-11:15 pm

1 stop11h 00m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

6:05 pm-1:22 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Thu 1/22

4:15 pm-11:15 pm

1 stop11h 00m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 27 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, February is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $295). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $584). 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 December 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 49% on flights from State of Washington to Saint Thomas Island by exploring options for tickets in the morning.

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 Delta, American Airlines, and United Airlines fly from State of Washington to Saint Thomas Island in about 12h 36m. The time it takes to get you to your destination can typically vary by up to 7h 45m. 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, February is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $295). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $584). 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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George Bush Intcntl to Saint Thomas Island flights
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Dulles Intl to Christiansted flights
Raleigh to Saint Thomas Island flights
Midway to Saint Thomas Island flights
Indianapolis to Saint Thomas Island flights
Hartford to Saint Thomas Island flights
LaGuardia to Christiansted flights
St. Louis to Saint Thomas Island flights
Reagan-National to Christiansted flights
Denver to Saint Thomas Island flights
Atlanta to Christiansted flights
Omaha to Saint Thomas Island flights
Baltimore to Christiansted flights
Los Angeles to Saint Thomas Island flights
Greenville to Saint Thomas Island flights
O'Hare Intl to Christiansted flights
Richmond to Saint Thomas Island flights
Columbus to Saint Thomas Island flights
Kansas City to Saint Thomas Island flights
New Orleans to Saint Thomas Island flights
Austin to Saint Thomas Island flights
Dallas/Fort Worth to Christiansted flights
Grand Rapids to Saint Thomas Island flights
Syracuse to Saint Thomas Island flights

Top 3 airlines flying from Washington to Saint Thomas Island

Discover the top 3 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$280Average$620FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$305Average$673FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$443Average$703FlexibilityNo cancel feeOn-time71%

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