Cheap flights from Washington, D.C. to Saint Thomas Island from $143

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 8/8. 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.
Delta Logo
6:00 am - 1:44 pm
IAD
-
STT
7h 44m
1 stop
Delta Logo
2:54 pm - 12:10 am
STT
-
IAD
9h 16m
1 stop
$332Delta
sön, sep 13 - tors, sep 17
United Airlines Logo
9:00 am - 12:58 pm
IAD
-
STT
3h 58mnonstop
United Airlines Logo
4:45 pm - 8:50 pm
STT
-
IAD
4h 05mnonstop
$334United Airlines
lör, sep 5 - lör, sep 12
Delta Logo
6:00 am - 1:44 pm
BWI
-
STT
7h 44m
1 stop
Delta Logo
2:54 pm - 12:16 am
STT
-
BWI
9h 22m
1 stop
$338Delta
tis, sep 15 - tors, sep 24
United Airlines Logo
9:00 am - 12:58 pm
IAD
-
STT
3h 58mnonstop
United Airlines Logo
2:10 pm - 10:59 pm
STT
-
IAD
8h 49m
1 stop
$339United Airlines
lör, sep 5 - lör, sep 12
Southwest Logo
6:00 am - 1:50 pm
DCA
-
STT
7h 50m
1 stop
Southwest Logo
2:35 pm - 11:55 pm
STT
-
DCA
9h 20m
1 stop
$348Southwest
tors, aug 20 - mån, aug 24
Delta Logo
6:00 am - 1:44 pm
IAD
-
STT
7h 44m
1 stop
Delta Logo
2:54 pm - 12:10 am
STT
-
IAD
9h 16m
1 stop
$348Delta
tis, sep 15 - ons, sep 23
American Airlines Logo
7:20 pm - 12:52 pm
BWI
-
STT
17h 32m
1 stop
American Airlines Logo
4:42 pm - 11:23 am
STT
-
BWI
18h 41m
1 stop
$356American Airlines
ons, aug 19 - tors, aug 27
American Airlines Logo
6:40 pm - 11:12 am
DCA
-
STT
16h 32m
1 stop
American Airlines Logo
11:44 am - 10:19 pm
STT
-
DCA
10h 35m
2 stops
$368American Airlines
mån, jun 1 - tis, jun 16
Southwest Logo
9:30 pm - 1:50 pm
DCA
-
STT
16h 20m
2 stops
Southwest Logo
2:10 pm - 10:50 pm
STT
-
DCA
8h 40m
1 stop
$369Southwest
sön, aug 23 - sön, aug 30
Delta Logo
6:00 am - 1:44 pm
IAD
-
STT
7h 44m
1 stop
Delta Logo
2:54 pm - 12:10 am
STT
-
IAD
9h 16m
1 stop
$369Delta
sön, sep 13 - tors, sep 17

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
Aug 19
BWI7:20 pmBaltimore/Washington
17h 32m
1 stop
STT12:52 pmSaint Thomas Island Cyril E King
Aug 27
STT4:42 pmSaint Thomas Island Cyril E King
18h 41m
1 stop
BWI11:23 amBaltimore/Washington
$356
American Airlines
Jul 27
BWI5:01 amBaltimore/Washington
8h 47m
1 stop
STT1:48 pmSaint Thomas Island Cyril E King
Jul 30
STT11:43 amSaint Thomas Island Cyril E King
12h 31m
1 stop
BWI12:14 amBaltimore/Washington
$403
American Airlines
Jun 2
DCA6:40 pmWashington, D.C. Reagan-National
16h 32m
1 stop
STT11:12 amSaint Thomas Island Cyril E King
Jun 5
STT11:44 amSaint Thomas Island Cyril E King
11h 30m
1 stop
DCA11:14 pmWashington, D.C. Reagan-National
$408

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

Our best United Airlines deals on Washington, D.C. to Saint Thomas Island flight tickets
United Airlines
Sep 5
IAD9:00 amWashington, D.C. Dulles Intl
3h 58m
STT12:58 pmSaint Thomas Island Cyril E King
Sep 12
STT4:45 pmSaint Thomas Island Cyril E King
4h 05m
IAD8:50 pmWashington, D.C. Dulles Intl
$334
United Airlines
Sep 5
IAD9:00 amWashington, D.C. Dulles Intl
3h 58m
STT12:58 pmSaint Thomas Island Cyril E King
Sep 12
STT2:10 pmSaint Thomas Island Cyril E King
8h 49m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
$339
United Airlines
Jul 30
IAD6:30 amWashington, D.C. Dulles Intl
9h 13m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
Aug 6
STT4:45 pmSaint Thomas Island Cyril E King
4h 13m
IAD8:58 pmWashington, D.C. Dulles Intl
$393

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 maj 14, 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

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

sön 9/13

6:00 am-1:44 pm

1 stop7h 44m

Saint Thomas Island Cyril E King

tors 9/17

2:54 pm-12:10 am

1 stop9h 16m

$332
Quickest round-trip

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

lör 9/5

9:00 am-12:58 pm

Nonstop3h 58m

Saint Thomas Island Cyril E King

lör 9/12

4:45 pm-8:50 pm

Nonstop4h 05m

$334

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

tis 9/15

6:00 am-1:44 pm

1 stop7h 44m

Saint Thomas Island Cyril E King

tors 9/24

2:54 pm-12:16 am

1 stop9h 22m

$338

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

lör 9/5

9:00 am-12:58 pm

Nonstop3h 58m

Saint Thomas Island Cyril E King

lör 9/12

2:10 pm-10:59 pm

1 stop8h 49m

$339

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

tors 8/20

6:00 am-1:50 pm

1 stop7h 50m

Saint Thomas Island Cyril E King

mån 8/24

2:35 pm-11:55 pm

1 stop9h 20m

$348

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

tis 9/15

6:00 am-1:44 pm

1 stop7h 44m

Saint Thomas Island Cyril E King

ons 9/23

2:54 pm-12:10 am

1 stop9h 16m

$348

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

ons 8/19

7:20 pm-12:52 pm

1 stop17h 32m

Saint Thomas Island Cyril E King

tors 8/27

4:42 pm-11:23 am

1 stop18h 41m

$356

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

mån 6/1

6:40 pm-11:12 am

1 stop16h 32m

Saint Thomas Island Cyril E King

tis 6/16

11:44 am-10:19 pm

2 stops10h 35m

$368

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

sön 8/23

9:30 pm-1:50 pm

2 stops16h 20m

Saint Thomas Island Cyril E King

sön 8/30

2:10 pm-10:50 pm

1 stop8h 40m

$369

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

sön 9/13

6:00 am-1:44 pm

1 stop7h 44m

Saint Thomas Island Cyril E King

tors 9/17

2:54 pm-12:10 am

1 stop9h 16m

$369

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 typical price of a round-trip flight between Washington, D.C. and Saint Thomas Island?

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

The month of August is another great option to travel to Saint Thomas Island, with average flight prices from Washington, D.C. averaging around $108.

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 $455. 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 $672.

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

Fly from Baltimore/Washington 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 from Washington, D.C. 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 $559 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 $383 on momondo.

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

You could potentially save up to 18% 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 May 2026, prices for Washington, D.C. to Saint Thomas Island flights are approximately 131% 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

$196

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 $196. The best round-trip flight deal from Washington, D.C. to Saint Thomas Island found on momondo in the last 72 hours is $240.
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 in Saint Thomas Island. From Washington, D.C. there are direct flights to Saint Thomas Island Cyril E King (STT).

Frequently asked questions about flying from Washington, D.C. to Saint Thomas Island

  • 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
DeltaPriceFrom $108Free CancellationRating
7.9
8,455 reviews
Search Delta flights
JetBluePriceFrom $187Free CancellationRating
7.1
2,975 reviews
Search JetBlue flights
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $190Free CancellationRating
7.4
9,712 reviews
Search United Airlines flights
SouthwestPriceFrom $191Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
Spirit AirlinesPriceFrom $205Free CancellationRating
6.2
8,626 reviews
Search Spirit Airlines flights
  • United Airlines Flights From Washington, D.C. to Saint Thomas Island

    Across 7 United Airlines flights from Washington, D.C. to Saint Thomas Island this week, the average price was $446, with the best United Airlines deals starting from $190 round-trip. 9,712 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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1 adult
lör 6/13
lör 6/20

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