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Saint Thomas Island

$273+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(American Airlines)

One-way from

$273
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$611
Provider with most accurate pricing for Seattle/Tacoma Intl-Saint Thomas Island Cyril E King flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Saint Thomas Island Cyril E King flights.
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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. 4% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/57:34 pmSEA - STT
2 stops14h 56mUnited Airlines
Wed 12/102:15 pmSTT - SEA
1 stop12h 23mUnited Airlines
Deal found 10/28$473
This American Airlines deal was found by Cheapflights users on 10/28. 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
1 stop21h 13mAmerican Airlines
Deal found 10/28$511
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/2410:07 pmSEA - STT
1 stop9h 36mAmerican Airlines
Wed 12/36:17 pmSTT - SEA
2 stops20h 22mAmerican Airlines
Deal found 10/27$602
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/1610:45 pmPDX - STT
1 stop14h 12mAmerican Airlines
Thu 5/141:40 pmSTT - PDX
1 stop12h 22mAmerican Airlines
Deal found 10/29$635
This American Airlines deal was found by Cheapflights users on 10/30. 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 12/412:31 amSEA - STT
2 stops12h 27mAmerican Airlines
Wed 12/106:17 pmSTT - SEA
2 stops19h 41mAmerican Airlines
Deal found 10/30$676
This American Airlines deal was found by Cheapflights users on 10/29. 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 stops17h 43mAmerican Airlines
Mon 11/246:17 pmSTT - PDX
2 stops20h 41mAmerican Airlines
Deal found 10/29$705
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/83:55 pmPDX - STT
2 stops16h 05mUnited Airlines
Fri 12/121:02 pmSTT - PDX
2 stops15h 35mUnited Airlines
Deal found 10/29$824
This Delta deal was found by Cheapflights users on 10/29. 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.
Mon 11/1710:10 pmPDX - STT
1 stop12h 30mDelta
Mon 11/243:50 pmSTT - PDX
1 stop10h 31mDelta
Deal found 10/29$845
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/2412:41 pmSEA - STT
3 stops19h 19mUnited Airlines
Wed 12/32:15 pmSTT - SEA
2 stops23h 54mUnited Airlines
Deal found 10/27$846
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/167:10 pmPDX - STT
2 stops14h 02mUnited Airlines
Thu 5/142:10 pmSTT - PDX
3 stops23h 05mUnited Airlines
Deal found 10/29$875
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/611:59 pmSEA - STT
2 stops12h 58mAmerican Airlines
Mon 11/106:17 pmSTT - SEA
2 stops20h 36mAmerican Airlines
Deal found 10/28$890
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/197:10 pmPDX - STT
2 stops12h 50mUnited Airlines
Wed 11/262:15 pmSTT - PDX
1 stop11h 50mUnited Airlines
Deal found 10/30$900

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 October 30, 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

Wed 1/7

6:05 pm-1:49 pm

2 stops15h 44m

Saint Thomas Island Cyril E King

Wed 1/14

4:15 pm-10:50 pm

1 stop10h 35m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 2/17

12:59 am-5:30 pm

2 stops12h 31m

Saint Thomas Island Cyril E King

Wed 2/25

6:36 pm-9:40 am

2 stops19h 04m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 1/6

6:05 pm-1:49 pm

2 stops15h 44m

Saint Thomas Island Cyril E King

Wed 1/14

4:15 pm-10:50 pm

1 stop10h 35m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Fri 12/5

7:11 pm-1:14 pm

2 stops14h 03m

Saint Thomas Island Cyril E King

Wed 12/10

3:54 pm-11:58 pm

1 stop12h 04m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

6:05 pm-1:49 pm

2 stops15h 44m

Saint Thomas Island Cyril E King

Thu 1/22

3:10 pm-11:15 pm

1 stop12h 05m

$473

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/13

11:07 pm-2:55 pm

1 stop12h 48m

Saint Thomas Island Cyril E King

Thu 4/23

1:40 pm-11:02 pm

1 stop12h 22m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 1/5

9:45 pm-12:42 pm

1 stop10h 57m

Saint Thomas Island Cyril E King

Tue 1/13

3:10 pm-10:15 pm

1 stop11h 05m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 1/12

7:37 pm-12:42 pm

2 stops13h 05m

Saint Thomas Island Cyril E King

Fri 1/23

3:10 pm-10:15 pm

1 stop11h 05m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/13

3:50 pm-12:03 pm

2 stops17h 13m

Saint Thomas Island Cyril E King

Thu 4/23

1:15 pm-11:53 pm

2 stops13h 38m

$584

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 1/4

12:49 am-5:39 pm

2 stops12h 50m

Saint Thomas Island Cyril E King

Tue 1/13

6:39 pm-1:21 pm

2 stops22h 42m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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, January is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $233). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $612). 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 October 30, 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 and American Airlines fly from State of Washington to Saint Thomas Island in about 12h 31m. The time it takes to get you to your destination can typically vary by up to 3h 13m. 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.

  • What are the cheapest airlines to fly from State of Washington to Saint Thomas Island one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $280. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from State of Washington to Saint Thomas Island for a low price.

  • 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, January is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $233). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $612). 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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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$280Average$612FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$443Average$683FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$492Average$673FlexibilityNo cancel feeOn-time69%

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