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Cheap flights from Saint Thomas Island to Washington, D.C. from $97

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 3/4. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:50 pm - 10:00 pm
STT
-
DCA
9h 10m2 stops
American Airlines Logo
5:00 am - 5:05 pm
DCA
-
STT
11h 05m1 stop
$189American Airlines
Wed, Jan 28 - Wed, Feb 4
JetBlue Logo
2:22 pm - 9:45 pm
STT
-
DCA
8h 23m2 stops
JetBlue Logo
8:15 am - 3:05 pm
DCA
-
STT
5h 50m1 stop
$223JetBlue
Sat, Jan 10 - Wed, Jan 14
JetBlue Logo
2:00 pm - 9:45 pm
STT
-
DCA
8h 45m2 stops
JetBlue Logo
8:15 am - 3:05 pm
DCA
-
STT
5h 50m1 stop
$261JetBlue
Thu, Jan 15 - Thu, Jan 22
JetBlue Logo
4:00 pm - 9:36 pm
STT
-
DCA
6h 36m1 stop
JetBlue Logo
8:15 am - 3:05 pm
DCA
-
STT
5h 50m1 stop
$304JetBlue
Sat, Jan 10 - Wed, Jan 14
JetBlue Logo
2:55 pm - 9:44 pm
STT
-
DCA
7h 49m1 stop
JetBlue Logo
8:00 am - 2:00 pm
DCA
-
STT
5h 00m1 stop
$315JetBlue
Mon, Dec 29 - Thu, Jan 1
American Airlines Logo
6:36 pm - 9:09 am
STT
-
DCA
15h 33m1 stop
American Airlines Logo
5:00 am - 3:35 pm
DCA
-
STT
9h 35m1 stop
$342American Airlines
Sun, Dec 28 - Thu, Jan 1
American Airlines Logo
6:39 pm - 9:00 am
STT
-
DCA
15h 21m1 stop
American Airlines Logo
5:55 am - 5:05 pm
DCA
-
STT
10h 10m1 stop
$360American Airlines
Sun, Jan 11 - Wed, Jan 14
Delta Logo
3:06 pm - 10:56 pm
STT
-
DCA
8h 50m1 stop
Delta Logo
6:00 am - 3:05 pm
DCA
-
STT
8h 05m1 stop
$393Delta
Wed, Dec 31 - Fri, Jan 2
JetBlue Logo
2:00 pm - 9:51 pm
STT
-
DCA
8h 51m2 stops
JetBlue Logo
8:00 am - 3:01 pm
DCA
-
STT
6h 01m1 stop
$403JetBlue
Mon, Feb 9 - Thu, Feb 12
American Airlines Logo
6:39 pm - 12:44 pm
STT
-
DCA
19h 05m1 stop
American Airlines Logo
5:00 am - 5:31 pm
DCA
-
STT
11h 31m1 stop
$419American Airlines
Mon, Feb 9 - Thu, Feb 12

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
Jan 28
STT6:39 pmSaint Thomas Island Cyril E King
6h 55m
1 stop
DCA12:34 amWashington, D.C. Reagan-National
Feb 4
DCA5:00 amWashington, D.C. Reagan-National
11h 05m
1 stop
STT5:05 pmSaint Thomas Island Cyril E King
$189
Find similar
American Airlines
Dec 23
STT1:30 pmSaint Thomas Island Cyril E King
7h 59m
1 stop
DCA8:29 pmWashington, D.C. Reagan-National
Dec 31
DCA6:00 amWashington, D.C. Reagan-National
6h 51m
1 stop
STT1:51 pmSaint Thomas Island Cyril E King
$242
Find similar
American Airlines
Dec 28
STT6:36 pmSaint Thomas Island Cyril E King
15h 33m
1 stop
DCA9:09 amWashington, D.C. Reagan-National
Dec 30
DCA7:59 pmWashington, D.C. Reagan-National
15h 41m
1 stop
STT12:40 pmSaint Thomas Island Cyril E King
$342
Find similar

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

Our best JetBlue deals on Saint Thomas Island to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Jan 10
STT2:22 pmSaint Thomas Island Cyril E King
8h 23m
2 stops
DCA9:45 pmWashington, D.C. Reagan-National
Jan 14
DCA8:15 amWashington, D.C. Reagan-National
5h 50m
1 stop
STT3:05 pmSaint Thomas Island Cyril E King
$223
Find similar
JetBlue
Jan 15
STT2:00 pmSaint Thomas Island Cyril E King
8h 45m
2 stops
DCA9:45 pmWashington, D.C. Reagan-National
Jan 22
DCA8:15 amWashington, D.C. Reagan-National
5h 50m
1 stop
STT3:05 pmSaint Thomas Island Cyril E King
$261
Find similar
JetBlue
Jan 10
STT4:00 pmSaint Thomas Island Cyril E King
6h 36m
1 stop
DCA9:36 pmWashington, D.C. Reagan-National
Jan 14
DCA8:15 amWashington, D.C. Reagan-National
5h 50m
1 stop
STT3:05 pmSaint Thomas Island Cyril E King
$304
Find similar

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 December 18, 2025.
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

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Wed 1/28

1:50 pm-10:00 pm

2 stops9h 10m

Washington, D.C. Reagan-National

Wed 2/4

5:00 am-5:05 pm

1 stop11h 05m

$189

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Sat 1/10

2:22 pm-9:45 pm

2 stops8h 23m

Washington, D.C. Reagan-National

Wed 1/14

8:15 am-3:05 pm

1 stop5h 50m

$223

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Thu 1/15

2:00 pm-9:45 pm

2 stops8h 45m

Washington, D.C. Reagan-National

Thu 1/22

8:15 am-3:05 pm

1 stop5h 50m

$261

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Sat 1/10

4:00 pm-9:36 pm

1 stop6h 36m

Washington, D.C. Reagan-National

Wed 1/14

8:15 am-3:05 pm

1 stop5h 50m

$304

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Mon 12/29

2:55 pm-9:44 pm

1 stop7h 49m

Washington, D.C. Reagan-National

Thu 1/1

8:00 am-2:00 pm

1 stop5h 00m

$315

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Sun 12/28

6:36 pm-9:09 am

1 stop15h 33m

Washington, D.C. Reagan-National

Thu 1/1

5:00 am-3:35 pm

1 stop9h 35m

$342

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Sun 1/11

6:39 pm-9:00 am

1 stop15h 21m

Washington, D.C. Reagan-National

Wed 1/14

5:55 am-5:05 pm

1 stop10h 10m

$360

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Wed 12/31

3:06 pm-10:56 pm

1 stop8h 50m

Washington, D.C. Reagan-National

Fri 1/2

6:00 am-3:05 pm

1 stop8h 05m

$393

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Mon 2/9

2:00 pm-9:51 pm

2 stops8h 51m

Washington, D.C. Reagan-National

Thu 2/12

8:00 am-3:01 pm

1 stop6h 01m

$403

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Mon 2/9

6:39 pm-12:44 pm

1 stop19h 05m

Washington, D.C. Reagan-National

Thu 2/12

5:00 am-5:31 pm

1 stop11h 31m

$419

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 cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Saint Thomas Island to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $458. Flights from Saint Thomas Island to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $737. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Saint Thomas Island to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $513. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $547.

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

You could potentially save up to 37% 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 December 2025, prices for Saint Thomas Island to Washington, D.C. Reagan-National Airport flights are approximately 63% cheaper 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 26m

Direct flights

None
The fastest flight from Saint Thomas Island to Washington, D.C. Reagan-National Airport takes 6h 26m
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 26m.

  • 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 $293Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
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Laurel
Colonial Beach
Silver Spring
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Gaithersburg
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Glen Burnie
Linthicum Heights
Bethesda

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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