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Saint Thomas Island

$98+ Cheap flights from Washington, D.C. (WAS) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STT
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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Find cheap flights from Washington, D.C. to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Washington, D.C. to Saint Thomas Island Cyril E King are usually found in February or May, booked 62 days in advance, depart on a Tuesday or Sunday and return on a Friday

Cheap flight deals from Washington, D.C. to Saint Thomas Island

Cheapest flights from Washington, D.C. to Saint Thomas Island
Explore the most affordable flight options available from Washington, D.C. to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/296:00 am
BWI
-
STT
1 stop6h 53m
American Airlines
Thu 9/34:42 pm
STT
-
BWI
1 stop17h 05m
American Airlines
Deal found 6/30$235
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 8/296:00 am
BWI
-
STT
1 stop9h 52m
American Airlines
Wed 9/21:49 pm
STT
-
BWI
1 stop33h 56m
American Airlines
Deal found 6/29$270
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 11/176:00 am
BWI
-
STT
1 stop8h 15m
American Airlines
Tue 11/2412:57 pm
STT
-
BWI
1 stop12h 02m
American Airlines
Deal found 6/30$317
This American Airlines deal was found by Cheapflights users on 6/29. 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 7/55:01 am
BWI
-
STT
1 stop6h 02m
American Airlines
Sat 9/54:42 pm
STT
-
BWI
1 stop17h 07m
American Airlines
Deal found 6/29$323
This American Airlines deal was found by Cheapflights users on 7/2. 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 11/106:00 am
BWI
-
STT
1 stop8h 15m
American Airlines
Tue 11/174:18 pm
STT
-
BWI
1 stop8h 41m
American Airlines
Deal found 7/2$335
This American Airlines deal was found by Cheapflights users on 7/2. 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 9/16:00 am
BWI
-
STT
1 stop6h 53m
American Airlines
Sat 9/54:42 pm
STT
-
BWI
1 stop17h 07m
American Airlines
Deal found 7/2$342
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 pm
BWI
-
STT
2 stops19h 20m
Southwest
Mon 9/142:35 pm
STT
-
BWI
1 stop8h 40m
Southwest
Deal found 6/30$355
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 9/119:00 pm
DCA
-
STT
1 stop15h 51m
American Airlines
Mon 9/141:41 pm
STT
-
DCA
1 stop8h 19m
American Airlines
Deal found 6/28$360
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/276:00 am
BWI
-
STT
1 stop9h 52m
American Airlines
Wed 9/21:49 pm
STT
-
BWI
1 stop33h 56m
American Airlines
Deal found 6/30$377
This Southwest deal was found by Cheapflights users on 7/1. 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.
Sat 8/226:30 am
BWI
-
STT
1 stop6h 50m
Southwest
Mon 8/312:35 pm
STT
-
BWI
1 stop7h 40m
Southwest
Deal found 7/1$394
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
DCA
-
STT
1 stop7h 50m
Southwest
Mon 8/312:35 pm
STT
-
DCA
1 stop9h 20m
Southwest
Deal found 6/28$395
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/86:00 am
BWI
-
STT
1 stop6h 53m
American Airlines
Mon 9/141:41 pm
STT
-
BWI
1 stop31h 47m
American Airlines
Deal found 6/30$402

Find flight deals from Washington, D.C. to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(American Airlines)

One-way from

$98
(Delta)

Popular in

June

Cheapest in

February

Average price

$547

Good round-trip deal

$537 or less

Good one-way deal

$206 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Saint Thomas Island Cyril E King flights.
Search Deals
From Washington, D.C. (WAS) to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 July 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 9/11

6:00 pm-1:20 pm

2 stops19h 20m

Saint Thomas Island Cyril E King

Mon 9/14

2:35 pm-11:15 pm

1 stop8h 40m

$355

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 8/28

6:00 am-1:50 pm

1 stop7h 50m

Saint Thomas Island Cyril E King

Mon 8/31

2:35 pm-8:55 am

2 stops18h 20m

$435

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 8/28

6:45 am-1:50 pm

1 stop7h 05m

Saint Thomas Island Cyril E King

Mon 8/31

2:35 pm-9:15 am

2 stops18h 40m

$445

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Thu 10/15

6:00 am-1:39 pm

1 stop7h 39m

Saint Thomas Island Cyril E King

Wed 10/21

2:49 pm-11:45 pm

1 stop8h 56m

$475

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Thu 10/15

6:00 am-1:39 pm

1 stop7h 39m

Saint Thomas Island Cyril E King

Tue 10/20

2:49 pm-9:46 pm

1 stop6h 57m

$475

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Mon 8/24

6:00 am-1:50 pm

1 stop7h 50m

Saint Thomas Island Cyril E King

Sat 8/29

2:05 pm-9:55 pm

1 stop7h 50m

$488

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sun 11/8

6:00 am-4:20 pm

1 stop9h 20m

Saint Thomas Island Cyril E King

Fri 11/13

3:00 pm-10:31 pm

1 stop8h 31m

$489

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sat 9/19

8:00 am-2:41 pm

1 stop6h 41m

Saint Thomas Island Cyril E King

Mon 9/21

3:40 pm-9:46 pm

1 stop6h 06m

$506

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Wed 9/2

8:00 am-2:55 pm

1 stop6h 55m

Saint Thomas Island Cyril E King

Fri 9/11

3:40 pm-9:46 pm

1 stop6h 06m

$510

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 12/14

8:56 am-1:56 pm

Nonstop4h 00m

Saint Thomas Island Cyril E King

Wed 12/23

3:05 pm-12:14 am

1 stop10h 09m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Saint Thomas Island in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Saint Thomas Island 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 Washington, D.C.-Saint Thomas Island 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 Washington, D.C. to Saint Thomas Island

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

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $98). Flying from Washington, D.C. to Saint Thomas Island in September is currently the most expensive (average of $273). 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 WAS to STT?

Find hourly flight availability from Washington, D.C. 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 July 2, 2026.

When flying from Washington, D.C. 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.

How much does it cost to fly round-trip from Washington, D.C. to Saint Thomas Island?

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Saint Thomas Island, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

The best insider tips for Washington, D.C. to Saint Thomas Island flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Saint Thomas Island trip
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on STT

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 July 2, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Saint Thomas Island, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,452 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
9,926 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,768 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,008 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

    Most people fly into Saint Thomas Island Cyril E King (STT) if they book a flight to Saint Thomas Island from Washington, D.C.. On average, Cyril E King has 0 inbound flights from Washington, D.C. per day from 5 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.

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

    There are many flights that can get you from Washington, D.C. to Saint Thomas Island in 7h 39m. Fly via Southwest, Delta, or United Airlines to get the fastest option. The distance between Washington, D.C. and Saint Thomas Island is about 1591 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Washington, D.C. to Saint Thomas Island round-trip from $108. Other airlines that can offer you cheap pricing are American Airlines, from $190, and United Airlines, from $190. You may be able to fly from Washington, D.C. to Saint Thomas Island for 77% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. to Saint Thomas Island one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $98. Users have also found prices from $103 and $130 on American Airlines and JetBlue, respectively.

  • What are the most popular routes from Washington, D.C. to Saint Thomas Island?

    The most popular flight routes from Washington, D.C. to Saint Thomas Island are Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King, Baltimore/Washington - Saint Thomas Island Cyril E King and Washington, D.C. Reagan-National - Saint Thomas Island Cyril E King.

  • What are the cheapest flights from Washington, D.C. to Saint Thomas Island?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King) can be booked for $301 on average, our data indicates $422 when flying from Washington, D.C. to Saint Thomas Island.

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

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

  • How can I find direct flights from Washington, D.C. 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, D.C. to Saint Thomas Island.

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

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $98). Flying from Washington, D.C. to Saint Thomas Island in September is currently the most expensive (average of $273). 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, D.C. to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Saint Thomas Island flights
Reagan-National to Saint Thomas Island flights
Reagan-National to Christiansted flights

Top 5 airlines flying from Washington, D.C. to Saint Thomas Island

Discover the top 5 airlines that operate flights from Washington, D.C. 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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$460FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$187Average$399FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$190Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$190Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$191Average$609FlexibilityNo cancel feeOn-time63%

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