Saint Thomas Island

$231+ Cheap flights from Reagan-National (DCA) 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — STT
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Saint Thomas Island Cyril E King are usually found in October or August, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Reagan-National to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Saint Thomas Island (STT). 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 September 11, 2025.

Round-trip from

$367
(Priceline)

One-way from

$231
(JetBlue)

Popular in

March

Cheapest in

October

Average price

$552
From Washington, D.C. Reagan-National to Saint Thomas Island Cyril E King
One-way flight from Washington, D.C. Reagan-National to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 9% potential increase in price ($64 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Reagan-National to Saint Thomas Island

Cheapest flights from Reagan-National to Saint Thomas Island
Explore the most affordable flight options available from Reagan-National to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:30 amDCA - STT
1 stop6h 01mJetBlue
Fri 10/103:30 pmSTT - DCA
1 stop6h 27mJetBlue
Deal found 9/11$365
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:15 pmDCA - STT
2 stops18h 16mJetBlue
Mon 10/63:30 pmSTT - DCA
1 stop6h 27mJetBlue
Deal found 9/10$384
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:30 amDCA - STT
1 stop6h 01mJetBlue
Sat 11/112:47 pmSTT - DCA
2 stops8h 46mJetBlue
Deal found 9/11$388
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:30 amDCA - STT
1 stop6h 01mJetBlue
Mon 10/203:30 pmSTT - DCA
1 stop6h 27mJetBlue
Deal found 9/9$395
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:30 pmDCA - STT
2 stops18h 01mJetBlue
Fri 10/312:33 pmSTT - DCA
1 stop7h 26mJetBlue
Deal found 9/9$399
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:30 amDCA - STT
1 stop6h 01mJetBlue
Sat 10/43:30 pmSTT - DCA
1 stop6h 25mJetBlue
Deal found 9/11$403
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:30 amDCA - STT
1 stop6h 01mJetBlue
Fri 10/243:30 pmSTT - DCA
1 stop6h 27mJetBlue
Deal found 9/11$405
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:30 amDCA - STT
1 stop6h 01mJetBlue
Tue 10/282:30 pmSTT - DCA
1 stop7h 29mJetBlue
Deal found 9/11$419
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:30 pmDCA - STT
2 stops18h 01mJetBlue
Fri 10/312:33 pmSTT - DCA
1 stop7h 26mJetBlue
Deal found 9/9$423
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:30 amDCA - STT
1 stop6h 01mJetBlue
Sat 10/183:30 pmSTT - DCA
1 stop6h 27mJetBlue
Deal found 9/9$431

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Saint Thomas Island that are best for you.

Fly from

Reagan-National

Fly to

Saint Thomas Island

Route

Depart

Return

Price

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sat 10/4

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Fri 10/10

3:30 pm-9:57 pm

1 stop6h 27m

$365

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 10/3

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Mon 10/6

3:30 pm-9:57 pm

1 stop6h 27m

$385

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Mon 10/6

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Sat 10/11

3:30 pm-9:57 pm

1 stop6h 27m

$395

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sun 10/12

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Sat 10/18

3:30 pm-9:57 pm

1 stop6h 27m

$395

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 9/26

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Fri 10/3

3:30 pm-9:55 pm

1 stop6h 25m

$403

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Mon 10/20

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Fri 10/24

3:30 pm-9:57 pm

1 stop6h 27m

$405

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sat 10/25

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Tue 10/28

2:30 pm-9:59 pm

1 stop7h 29m

$419

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sat 10/25

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Fri 10/31

2:33 pm-9:59 pm

1 stop7h 26m

$419

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sat 10/25

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Sat 11/1

3:19 pm-9:59 pm

1 stop6h 40m

$429

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 10/17

8:30 am-2:31 pm

1 stop6h 01m

Saint Thomas Island Cyril E King

Sat 10/18

3:30 pm-9:57 pm

1 stop6h 27m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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Best time to book a flight from Reagan-National to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Reagan-National 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, D.C. Reagan-National Airport to Saint Thomas Island

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Saint Thomas Island. Price data was last updated on August 29, 2025.

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Thomas Island (average of $433). Flying from Washington, D.C. Reagan-National Airport 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.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Saint Thomas Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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, D.C. Reagan-National?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Saint Thomas Island. 5 airlines have flights to Cyril E King from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Saint Thomas Island Cyril E King should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Saint Thomas Island?

    For as low as $365, JetBlue can have you in Saint Thomas Island from Washington, D.C. Reagan-National Airport in 6h 01m. There are 1591 mi between Washington, D.C. Reagan-National Airport and Saint Thomas Island.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Saint Thomas Island round-trip?

    Currently priced at $299, Spirit Airlines will fly you from Washington, D.C. Reagan-National Airport to Saint Thomas Island and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $318 and $335, respectively. Spirit Airlines is currently priced 52% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Reagan-National 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 Reagan-National to Saint Thomas Island.

  • Can I find deals for business class flights from Reagan-National to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Reagan-National 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 Washington, D.C. Reagan-National Airport to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Thomas Island (average of $433). Flying from Washington, D.C. Reagan-National Airport 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 Reagan-National to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Reagan-National to Saint Thomas Island

Discover the top 5 airlines that operate flights from Reagan-National 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$299Average$489FlexibilityNo cancel feeOn-time65%
DeltaCheapest$318Average$644FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$335Average$589FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$458Average$570FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$469Average$662FlexibilityNo cancel feeOn-time71%

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