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Cheap flights from Washington, D.C. to Saint Thomas Island from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Saint Thomas Island departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:30 am - 2:30 pmBWI-STT
6h 00m1 stop
Spirit Airlines Logo
3:54 pm - 11:13 pmSTT-BWI
8h 19m1 stop
$235Spirit Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Spirit Airlines Logo
5:40 am - 12:55 pmBWI-STT
6h 15m1 stop
Spirit Airlines Logo
3:54 pm - 12:23 amSTT-BWI
9h 29m1 stop
$240Spirit Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
American Airlines Logo
6:00 am - 3:56 pmBWI-STT
8h 56m1 stop
American Airlines Logo
6:39 pm - 9:37 amSTT-BWI
15h 58m1 stop
$293American Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 13
American Airlines Logo
6:00 am - 3:06 pmBWI-STT
8h 06m1 stop
American Airlines Logo
6:39 pm - 9:19 amSTT-BWI
15h 40m1 stop
$303American Airlines
Find Deal
Tue, Jan 20 - Fri, Jan 30
United Airlines Logo
8:15 am - 1:12 pmIAD-STT
3h 57mnonstop
United Airlines Logo
3:05 pm - 11:59 pmSTT-IAD
9h 54m1 stop
$389United Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
JetBlue Logo
8:00 am - 2:20 pmDCA-STT
5h 20m1 stop
JetBlue Logo
3:17 pm - 9:37 pmSTT-DCA
7h 20m1 stop
$389JetBlue
Find Deal
Fri, Dec 12 - Tue, Dec 16
United Airlines Logo
6:30 am - 4:18 pmDCA-STT
8h 48m1 stop
United Airlines Logo
3:05 pm - 11:59 pmSTT-DCA
9h 54m1 stop
$393United Airlines
Find Deal
Wed, Jan 28 - Wed, Feb 4
Delta Logo
9:00 am - 4:10 pmIAD-STT
6h 10m1 stop
Delta Logo
4:15 pm - 11:37 pmSTT-IAD
8h 22m1 stop
$405Delta
Find Deal
Mon, Jan 5 - Wed, Jan 14
JetBlue Logo
8:00 am - 4:20 pmDCA-STT
7h 20m1 stop
JetBlue Logo
5:15 pm - 9:46 pmSTT-DCA
5h 31m1 stop
$406JetBlue
Find Deal
Tue, Jan 27 - Sat, Jan 31
Delta Logo
7:15 am - 3:04 pmIAD-STT
6h 49m1 stop
Delta Logo
4:15 pm - 12:24 amSTT-IAD
9h 09m1 stop
$422Delta
Find Deal
Tue, Jan 20 - Tue, Jan 27

Spirit Airlines flights from Washington, D.C. to Saint Thomas Island

Our best Spirit Airlines deals on Washington, D.C. to Saint Thomas Island flight tickets
Spirit Airlines
Dec 2
BWI7:30 amBaltimore/Washington
6h 00m
1 stop
STT2:30 pmSaint Thomas Island Cyril E King
Dec 6
STT3:54 pmSaint Thomas Island Cyril E King
8h 19m
1 stop
BWI11:13 pmBaltimore/Washington
$235
Find similar
Spirit Airlines
Dec 1
BWI5:40 amBaltimore/Washington
6h 15m
1 stop
STT12:55 pmSaint Thomas Island Cyril E King
Dec 5
STT3:54 pmSaint Thomas Island Cyril E King
9h 29m
1 stop
BWI12:23 amBaltimore/Washington
$240
Find similar
Spirit Airlines
Jan 22
BWI9:37 pmBaltimore/Washington
16h 34m
1 stop
STT3:11 pmSaint Thomas Island Cyril E King
Jan 25
STT1:33 pmSaint Thomas Island Cyril E King
11h 21m
1 stop
BWI11:54 pmBaltimore/Washington
$246
Find similar

American Airlines flights from Washington, D.C. to Saint Thomas Island

Our best American Airlines deals on Washington, D.C. to Saint Thomas Island flight tickets
American Airlines
Jan 9
BWI6:00 amBaltimore/Washington
8h 56m
1 stop
STT3:56 pmSaint Thomas Island Cyril E King
Jan 13
STT6:39 pmSaint Thomas Island Cyril E King
15h 58m
1 stop
BWI9:37 amBaltimore/Washington
$293
Find similar
American Airlines
Jan 20
BWI6:00 amBaltimore/Washington
8h 06m
1 stop
STT3:06 pmSaint Thomas Island Cyril E King
Jan 30
STT6:39 pmSaint Thomas Island Cyril E King
15h 40m
1 stop
BWI9:19 amBaltimore/Washington
$303
Find similar
American Airlines
Nov 9
DCA6:10 amWashington, D.C. Reagan-National
7h 06m
1 stop
STT2:16 pmSaint Thomas Island Cyril E King
Nov 20
STT6:17 pmSaint Thomas Island Cyril E King
7h 07m
1 stop
DCA12:24 amWashington, D.C. Reagan-National
$401
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 30, 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

Fly to

Route

Depart

Return

Price

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Tue 12/2

7:30 am-2:30 pm

1 stop6h 00m

Saint Thomas Island Cyril E King

Sat 12/6

3:54 pm-11:13 pm

1 stop8h 19m

$235

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Mon 12/1

5:40 am-12:55 pm

1 stop6h 15m

Saint Thomas Island Cyril E King

Fri 12/5

3:54 pm-12:23 am

1 stop9h 29m

$240

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 1/9

6:00 am-3:56 pm

1 stop8h 56m

Saint Thomas Island Cyril E King

Tue 1/13

6:39 pm-9:37 am

1 stop15h 58m

$293

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Tue 1/20

6:00 am-3:06 pm

1 stop8h 06m

Saint Thomas Island Cyril E King

Fri 1/30

6:39 pm-9:19 am

1 stop15h 40m

$303

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 11/18

8:15 am-1:12 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Sat 11/22

3:05 pm-11:59 pm

1 stop9h 54m

$389

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 12/12

8:00 am-2:20 pm

1 stop5h 20m

Saint Thomas Island Cyril E King

Tue 12/16

3:17 pm-9:37 pm

1 stop7h 20m

$389

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Wed 1/28

6:30 am-4:18 pm

1 stop8h 48m

Saint Thomas Island Cyril E King

Wed 2/4

3:05 pm-11:59 pm

1 stop9h 54m

$393

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 1/5

9:00 am-4:10 pm

1 stop6h 10m

Saint Thomas Island Cyril E King

Wed 1/14

4:15 pm-11:37 pm

1 stop8h 22m

$405

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

Sat 1/31

5:15 pm-9:46 pm

1 stop5h 31m

$406

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 1/20

7:15 am-3:04 pm

1 stop6h 49m

Saint Thomas Island Cyril E King

Tue 1/27

4:15 pm-12:24 am

1 stop9h 09m

$422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Washington, D.C. to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Thomas Island?

The month of October is another great option to travel to Saint Thomas Island, with average flight prices from Washington, D.C. averaging around $501.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $635. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Saint Thomas Island for around $869.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $348. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $715. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. to Saint Thomas Island Cyril E King flight route?

Fly from Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King for the best Washington, D.C. - Saint Thomas Island Cyril E King flight prices

How far in advance should I book a flight to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $689 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Washington, D.C. for as low as $584 on momondo.

What cabin class options are available on Washington, D.C. to Saint Thomas Island Cyril E King flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Saint Thomas Island Cyril E King flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Saint Thomas Island flights?

You could potentially save up to 53% on your flight if you consider stops on a Washington, D.C. to Saint Thomas Island flight.

How have Washington, D.C. to Saint Thomas Island flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Saint Thomas Island flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Saint Thomas Island (WAS to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Saint Thomas Island

Best Price Found

$383

Fastest flight time

3h 57m

Direct flights

Every day

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Washington, D.C. in the past 72 hours is $383. The best round-trip flight deal from Washington, D.C. to Saint Thomas Island found on momondo in the last 72 hours is $453.
The fastest flight from Washington, D.C. to Saint Thomas Island takes 3h 57m
Direct flights go from Washington, D.C. to Saint Thomas Island every day.
There is 1 airport near Saint Thomas Island: Saint Thomas Island Cyril E King (STT)
Search flight deals

  • How far is Washington, D.C. to Saint Thomas Island Cyril E King by plane?

    Washington, D.C. and Saint Thomas Island Cyril E King are 1594.5 mi apart from one another. By plane, this route typically takes 3h 57m.

  • When did momondo last update prices for flights from Washington, D.C. to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Washington, D.C. to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Washington, D.C. to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Saint Thomas Island?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $197Free CancellationRating
6.3
8,116 reviews
Search Spirit Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
7,998 reviews
Search Delta flights
JetBluePriceFrom $335Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
United AirlinesPriceFrom $458Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $469Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights

  • United Airlines Flights From Washington, D.C. to Saint Thomas Island

    Across 3 United Airlines flights from Washington, D.C. to Saint Thomas Island this week, the average price was $646, with the best United Airlines deals starting from $458 round-trip. 8,998 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint Thomas Island?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Saint Thomas Island. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Saint Thomas Island with flexible booking policies on momondo?

Flights from Washington, D.C. to Saint Thomas Island with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Saint Thomas Island?

momondo provides multiple filters to help you find the best flight to Saint Thomas Island from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Saint Thomas Island right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Thomas Island from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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