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Cheap flights from Saint Thomas Island to Washington, D.C. from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to Washington, D.C. departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Saint Thomas Island to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:59 pm - 11:41 pm
STT
-
DCA
9h 42m
1 stop
Delta Logo
6:59 am - 1:51 pm
DCA
-
STT
6h 52m
1 stop
$270Delta
Khamis, Apr 16 - Isnin, Apr 20
Delta Logo
1:59 pm - 11:41 pm
STT
-
DCA
9h 42m
1 stop
Delta Logo
6:59 am - 1:51 pm
DCA
-
STT
6h 52m
1 stop
$291Delta
Khamis, Apr 16 - Isnin, Apr 20
American Airlines Logo
11:45 am - 11:14 pm
STT
-
DCA
11h 29m
1 stop
American Airlines Logo
6:40 pm - 11:12 am
DCA
-
STT
16h 32m
1 stop
$425American Airlines
Rabu, Jun 24 - Isnin, Jun 29
Delta Logo
4:31 pm - 11:15 pm
STT
-
DCA
6h 44m
1 stop
Delta Logo
6:00 am - 3:21 pm
DCA
-
STT
9h 21m
1 stop
$428Delta
Jumaat, Jun 12 - Isnin, Jun 15
American Airlines Logo
11:27 am - 8:19 pm
STT
-
DCA
8h 52m
1 stop
American Airlines Logo
5:59 am - 4:15 pm
DCA
-
STT
10h 16m
2 stops
$429American Airlines
Rabu, Apr 8 - Ahad, Apr 12
Southwest Logo
2:45 pm - 8:45 am
STT
-
DCA
18h 00m
2 stops
Southwest Logo
9:00 pm - 1:50 pm
DCA
-
STT
16h 50m
2 stops
$508Southwest
Khamis, Jul 16 - Khamis, Jul 23
Delta Logo
4:31 pm - 11:15 pm
STT
-
DCA
6h 44m
1 stop
Delta Logo
6:00 am - 3:21 pm
DCA
-
STT
9h 21m
1 stop
$517Delta
Jumaat, Jun 12 - Isnin, Jun 15
Delta Logo
4:31 pm - 11:15 pm
STT
-
DCA
6h 44m
1 stop
Delta Logo
6:00 am - 3:21 pm
DCA
-
STT
9h 21m
1 stop
$527Delta
Jumaat, Jun 12 - Isnin, Jun 15
American Airlines Logo
3:35 pm - 10:29 pm
STT
-
DCA
6h 54m
1 stop
American Airlines Logo
8:10 pm - 11:57 am
DCA
-
STT
15h 47m
1 stop
$535American Airlines
Jumaat, Mei 15 - Jumaat, Mei 22
Delta Logo
1:55 pm - 11:39 pm
STT
-
DCA
9h 44m
1 stop
Delta Logo
6:00 am - 2:48 pm
DCA
-
STT
8h 48m
1 stop
$548Delta
Khamis, Apr 9 - Isnin, Apr 13

Southwest flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Saint Thomas Island to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Jul 16
STT2:45 pmSaint Thomas Island Cyril E King
8h 00m
1 stop
DCA10:45 pmWashington, D.C. Reagan-National
Jul 23
DCA6:00 amWashington, D.C. Reagan-National
7h 50m
1 stop
STT1:50 pmSaint Thomas Island Cyril E King
$508
Southwest
Jun 25
STT2:45 pmSaint Thomas Island Cyril E King
18h 00m
2 stops
DCA8:45 amWashington, D.C. Reagan-National
Jun 29
DCA6:00 amWashington, D.C. Reagan-National
7h 50m
1 stop
STT1:50 pmSaint Thomas Island Cyril E King
$601
Southwest
Jun 24
STT2:35 pmSaint Thomas Island Cyril E King
8h 40m
2 stops
DCA11:15 pmWashington, D.C. Reagan-National
Jun 29
DCA6:00 amWashington, D.C. Reagan-National
7h 50m
1 stop
STT1:50 pmSaint Thomas Island Cyril E King
$642

American Airlines flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Saint Thomas Island to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Jun 24
STT11:45 amSaint Thomas Island Cyril E King
11h 29m
1 stop
DCA11:14 pmWashington, D.C. Reagan-National
Jun 29
DCA6:40 pmWashington, D.C. Reagan-National
16h 32m
1 stop
STT11:12 amSaint Thomas Island Cyril E King
$425
American Airlines
Apr 8
STT11:27 amSaint Thomas Island Cyril E King
8h 52m
1 stop
DCA8:19 pmWashington, D.C. Reagan-National
Apr 12
DCA7:00 amWashington, D.C. Reagan-National
9h 15m
1 stop
STT4:15 pmSaint Thomas Island Cyril E King
$429
American Airlines
May 15
STT3:35 pmSaint Thomas Island Cyril E King
6h 54m
1 stop
DCA10:29 pmWashington, D.C. Reagan-National
May 22
DCA8:10 pmWashington, D.C. Reagan-National
15h 47m
1 stop
STT11:57 amSaint Thomas Island Cyril E King
$535

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport 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 Mac 29, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Khamis 4/16

1:59 pm-11:41 pm

1 stop9h 42m

Washington, D.C. Reagan-National

Isnin 4/20

6:59 am-1:51 pm

1 stop6h 52m

$270

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Khamis 4/16

1:59 pm-11:41 pm

1 stop9h 42m

Washington, D.C. Reagan-National

Isnin 4/20

6:59 am-1:51 pm

1 stop6h 52m

$291

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Rabu 6/24

11:45 am-11:14 pm

1 stop11h 29m

Washington, D.C. Reagan-National

Isnin 6/29

6:40 pm-11:12 am

1 stop16h 32m

$425
Quickest round-trip

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Jumaat 6/12

4:31 pm-11:15 pm

1 stop6h 44m

Washington, D.C. Reagan-National

Isnin 6/15

6:00 am-3:21 pm

1 stop9h 21m

$428

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Rabu 4/8

11:27 am-8:19 pm

1 stop8h 52m

Washington, D.C. Reagan-National

Ahad 4/12

5:59 am-4:15 pm

2 stops10h 16m

$429

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Khamis 7/16

2:45 pm-8:45 am

2 stops18h 00m

Washington, D.C. Reagan-National

Khamis 7/23

9:00 pm-1:50 pm

2 stops16h 50m

$508

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Jumaat 6/12

4:31 pm-11:15 pm

1 stop6h 44m

Washington, D.C. Reagan-National

Isnin 6/15

6:00 am-3:21 pm

1 stop9h 21m

$517

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Jumaat 6/12

4:31 pm-11:15 pm

1 stop6h 44m

Washington, D.C. Reagan-National

Isnin 6/15

6:00 am-3:21 pm

1 stop9h 21m

$527

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Jumaat 5/15

3:35 pm-10:29 pm

1 stop6h 54m

Washington, D.C. Reagan-National

Jumaat 5/22

8:10 pm-11:57 am

1 stop15h 47m

$535

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Khamis 4/9

1:55 pm-11:39 pm

1 stop9h 44m

Washington, D.C. Reagan-National

Isnin 4/13

6:00 am-2:48 pm

1 stop8h 48m

$548

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 Washington, D.C. from

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

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 Saint Thomas Island and Washington, D.C. Reagan-National Airport?

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

You could potentially save up to 29% on your flight if you consider stops on a Saint Thomas Island to Washington, D.C. Reagan-National Airport flight.

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

As of March 2026, prices for Saint Thomas Island to Washington, D.C. Reagan-National Airport flights are approximately 77% more expensive when compared to flights at the same time last year.

When to book flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport

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

Cheap Saint Thomas Island to Washington, D.C. Reagan-National Airport (STT to DCA) flight deals and tips

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

Fastest flight time

6h 44m

Direct flights

None
The fastest flight from Saint Thomas Island to Washington, D.C. Reagan-National Airport takes 6h 44m
There are no direct flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Saint Thomas Island to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    A flight from Saint Thomas Island Cyril E King to Washington, D.C. Reagan-National will travel around 1591.4 mi. A reasonable flight in good conditions will take 6h 44m.

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

    Prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint Thomas Island Cyril E King Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Saint Thomas Island to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Saint Thomas Island to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights
JetBluePriceFrom $220Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

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

Finding the right flight to Washington, D.C. from Saint Thomas Island is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Saint Thomas Island with this policy.

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

Once all potential Saint Thomas Island to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Saint Thomas Island to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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