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Saint Thomas Island

$133+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STT
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Saint Thomas Island Cyril E King are usually found in September or October, booked 37 days in advance, depart on a Tuesday or Thursday and return on a Saturday

Cheap 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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Cheapflightsfares)

One-way from

$133
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$494

Good round-trip deal

$508 or less

Good one-way deal

$313 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Saint Thomas Island Cyril E King flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Saint Thomas Island Cyril E King flights.
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From Washington, D.C. (WAS) to Saint Thomas Island Cyril E King
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One-way flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 12% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King.
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Find 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 October 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:36 pmBWI - STT
1 stop14h 24mSpirit Airlines
Sat 11/84:19 pmSTT - BWI
1 stop7h 26mSpirit Airlines
Deal found 9/30$242
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:00 pmBWI - STT
1 stop16h 35mSpirit Airlines
Tue 10/2811:01 amSTT - BWI
1 stop12h 31mSpirit Airlines
Deal found 9/30$246
This Cheapflightsfares deal was found by Cheapflights users on 10/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:36 pmBWI - STT
1 stop14h 24mSpirit Airlines
Sat 11/154:19 pmSTT - BWI
1 stop7h 26mSpirit Airlines
Deal found 10/2$255
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:21 pmBWI - STT
1 stop13h 35mSpirit Airlines
Mon 10/2711:01 amSTT - BWI
1 stop12h 31mSpirit Airlines
Deal found 9/30$258
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:17 pmBWI - STT
1 stop16h 43mSpirit Airlines
Sat 11/84:19 pmSTT - BWI
1 stop7h 26mSpirit Airlines
Deal found 9/30$263
This Priceline deal was found by Cheapflights users on 10/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:53 amBWI - STT
1 stop6h 42mSpirit Airlines
Thu 10/3011:01 amSTT - BWI
1 stop10h 17mSpirit Airlines
Deal found 10/2$264
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:36 pmBWI - STT
1 stop14h 24mSpirit Airlines
Thu 11/202:00 pmSTT - BWI
1 stop10h 17mSpirit Airlines
Deal found 10/1$265
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:00 pmBWI - STT
1 stop16h 35mSpirit Airlines
Thu 10/3011:01 amSTT - BWI
1 stop10h 17mSpirit Airlines
Deal found 9/29$268
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:00 pmBWI - STT
1 stop17h 56mSpirit Airlines
Thu 10/302:40 pmSTT - BWI
1 stop30h 06mSpirit Airlines
Deal found 10/1$288
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:58 pmIAD - STT
1 stop15h 01mMultiple Airlines
Mon 10/2711:01 amSTT - IAD
2 stops12h 21mMultiple Airlines
Deal found 9/30$355
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:38 pmIAD - STT
1 stop15h 57mMultiple Airlines
Thu 10/302:40 pmSTT - IAD
2 stops8h 49mMultiple Airlines
Deal found 9/29$363
This Expedia deal was found by Cheapflights users on 9/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:00 amDCA - STT
1 stop5h 20mJetBlue
Sat 11/151:47 pmSTT - DCA
2 stops8h 46mJetBlue
Deal found 9/30$366

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 October 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Saint Thomas Island that are best for you.

Fly from

Washington, D.C.

Fly to

Saint Thomas Island

Route

Depart

Return

Price

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Sat 2/21

9:37 pm-3:11 pm

1 stop16h 34m

Saint Thomas Island Cyril E King

Tue 3/3

1:33 pm-11:54 pm

1 stop11h 21m

$313

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Tue 10/21

8:00 am-9:56 am

3 stops25h 56m

Saint Thomas Island Cyril E King

Thu 10/30

11:01 am-9:18 pm

1 stop10h 17m

$344

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 10/17

8:21 pm-12:59 pm

2 stops16h 38m

Saint Thomas Island Cyril E King

Tue 10/21

11:01 am-10:28 am

2 stops23h 27m

$361

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Mon 10/20

5:55 pm-9:56 am

1 stop16h 01m

Saint Thomas Island Cyril E King

Tue 10/28

11:01 am-11:32 pm

1 stop12h 31m

$376

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Sun 11/16

8:00 am-2:20 pm

1 stop5h 20m

Saint Thomas Island Cyril E King

Thu 11/20

2:30 pm-9:08 pm

1 stop7h 38m

$387

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Tue 1/27

8:00 am-4:20 pm

1 stop7h 20m

Saint Thomas Island Cyril E King

Tue 2/3

5:15 pm-9:46 pm

1 stop5h 31m

$389

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Tue 3/10

8:00 am-3:15 pm

1 stop7h 15m

Saint Thomas Island Cyril E King

Tue 3/24

4:10 pm-9:56 pm

1 stop5h 46m

$389

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-3:15 pm

1 stop6h 15m

Saint Thomas Island Cyril E King

Tue 3/10

4:10 pm-9:56 pm

1 stop5h 46m

$389

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Tue 3/10

8:00 am-3:15 pm

1 stop7h 15m

Saint Thomas Island Cyril E King

Wed 3/11

4:10 pm-9:56 pm

1 stop5h 46m

$389

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 10/26

8:59 am-12:56 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Thu 10/30

12:02 pm-4:25 pm

Nonstop4h 23m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 59 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Saint Thomas Island. Price data was last updated on September 26, 2025.

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 37 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.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $433). Flying from Washington, D.C. to Saint Thomas Island in June is currently the most expensive (average of $643). 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 October 2, 2025.

When flying from Washington, D.C. to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 52% versus a flight in the morning.

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

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Saint Thomas Island trip
Airports
IAD

Expect long security queues at IAD, especially in the afternoon. Plan extra time to navigate the airport's complex layout.

Read more about IADby Ramsey Qubein
STT

At STT, rental car counters are conveniently located inside baggage claim, allowing you to secure transportation while waiting for your luggage.

Read more about STTby Mark Chesnut
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on STT

Mark Chesnut

Mark Chesnut

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

Ramsey Qubein

Ramsey Qubein

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 October 2, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

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!
Delta
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

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!
United Airlines
7.4
Good
8,933 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

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!
American Airlines
7.2
Good
11,033 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

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!
JetBlue
7.2
Good
2,911 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

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!
Spirit Airlines
6.3
Okay
8,070 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

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 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 3h 57m. Fly via Spirit Airlines, JetBlue, or United Airlines to get the fastest option. The distance between Washington, D.C. and Saint Thomas Island is about 1608 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 $276. Other airlines that can offer you cheap pricing are Spirit Airlines, from $295, and JetBlue, from $327. You may be able to fly from Washington, D.C. to Saint Thomas Island for 54% 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 Spirit Airlines. According to our data, you can fly for as low as $134. Users have also found prices from $182 and $198 on JetBlue and United Airlines, 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, Washington, D.C. Reagan-National - Saint Thomas Island Cyril E King and Baltimore/Washington - 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 $293. While the most popular route (Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King) can be booked for $355 on average, our data indicates $805 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $433). Flying from Washington, D.C. to Saint Thomas Island in June is currently the most expensive (average of $643). 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
Dulles Intl to Christiansted 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$198Average$366FlexibilityNo cancel feeOn-time65%
DeltaCheapest$276Average$646FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$327Average$596FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$458Average$650FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$469Average$652FlexibilityNo cancel feeOn-time71%

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