What airlines fly to Washington, D.C.?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Washington, D.C. from Saint Thomas Island according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Saint Thomas Island Cyril E King to Washington, D.C.?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Saint Thomas Island Cyril E King to Washington, D.C.

How many flights depart from Saint Thomas Island to Washington, D.C. on average per day?

The number of flights available between Saint Thomas Island and Washington, D.C. is 1 per day as of July 2026. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

How many flights depart from Saint Thomas Island to Washington, D.C. on average per week?

As of July 2026, 9 flights take off from Saint Thomas Island and land in Washington, D.C. each week. The most common flight departure day for this route is Sat, with 33% of weekly flights taking off on this day.

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

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

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

There are 4 operators available for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. as of July 2026.

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

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..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$97 Cheap Flights from Saint Thomas Island to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:41 pm - 10:22 pm

STT

BWI

32h 41m

1 stop

6:00 am - 12:51 pm

BWI

STT

30h 51m

1 stop

$308American Airlines

Wed, Sep 23 - Mon, Sep 28

2:35 pm - 10:05 pm

STT

BWI

7h 30m

1 stop

6:35 am - 1:50 pm

BWI

STT

7h 15m

1 stop

$347JetBlue

Tue, Jul 21 - Fri, Jul 31

1:49 pm - 9:53 pm

STT

BWI

32h 04m

1 stop

10:40 am - 3:52 pm

BWI

STT

29h 12m

1 stop

$370American Airlines

Tue, Aug 25 - Sat, Sep 5

3:00 pm - 10:31 pm

STT

DCA

8h 31m

1 stop

6:00 am - 4:20 pm

DCA

STT

9h 20m

1 stop

$450United Airlines

Wed, Nov 25 - Sun, Nov 29

2:49 pm - 12:01 pm

STT

DCA

21h 12m

2 stops

8:00 am - 2:55 pm

DCA

STT

6h 55m

1 stop

$461JetBlue

Fri, Aug 28 - Tue, Sep 1

2:52 pm - 12:40 am

STT

IAD

9h 48m

1 stop

6:00 am - 1:42 pm

IAD

STT

7h 42m

1 stop

$502Delta

Wed, Sep 23 - Mon, Sep 28

3:00 pm - 10:57 pm

STT

IAD

8h 57m

1 stop

8:56 am - 1:56 pm

IAD

STT

4h 00mnonstop

$538United Airlines

Wed, Nov 25 - Sun, Nov 29

2:49 pm - 12:31 am

STT

IAD

9h 42m

1 stop

6:00 am - 1:39 pm

IAD

STT

7h 39m

1 stop

$575Delta

Wed, Oct 21 - Fri, Oct 23

2:40 pm - 12:45 am

STT

BWI

11h 05m

2 stops

8:40 am - 1:50 pm

BWI

STT

4h 10mnonstop

$600Southwest

Wed, Nov 25 - Sun, Nov 29

2:40 pm - 8:00 pm

STT

BWI

6h 20m

1 stop

8:40 am - 1:50 pm

BWI

STT

4h 10mnonstop

$626Southwest

Wed, Nov 25 - Sun, Nov 29

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Delta flights from Saint Thomas Island to Washington, D.C.

Our best Delta deals on Saint Thomas Island to Washington, D.C. flight tickets

Delta

Sep 23

STT2:52 pmSaint Thomas Island Cyril E King

9h 48m

1 stop

IAD12:40 amWashington, D.C. Dulles Intl

Sep 28

IAD6:00 amWashington, D.C. Dulles Intl

7h 42m

1 stop

STT1:42 pmSaint Thomas Island Cyril E King

$502

Delta

Oct 21

STT2:49 pmSaint Thomas Island Cyril E King

9h 42m

1 stop

IAD12:31 amWashington, D.C. Dulles Intl

Oct 23

IAD6:00 amWashington, D.C. Dulles Intl

7h 39m

1 stop

STT1:39 pmSaint Thomas Island Cyril E King

$575

Delta

Aug 25

STT2:49 pmSaint Thomas Island Cyril E King

9h 45m

1 stop

IAD12:34 amWashington, D.C. Dulles Intl

Sep 5

IAD8:28 amWashington, D.C. Dulles Intl

6h 34m

1 stop

STT3:02 pmSaint Thomas Island Cyril E King

$604

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

Our best United Airlines deals on Saint Thomas Island to Washington, D.C. flight tickets

United Airlines

Nov 25

STT3:00 pmSaint Thomas Island Cyril E King

8h 31m

1 stop

DCA10:31 pmWashington, D.C. Reagan-National

Nov 29

DCA6:00 amWashington, D.C. Reagan-National

9h 20m

1 stop

STT4:20 pmSaint Thomas Island Cyril E King

$450

United Airlines

Jul 17

STT4:45 pmSaint Thomas Island Cyril E King

4h 13m

IAD8:58 pmWashington, D.C. Dulles Intl

Jul 30

IAD8:15 amWashington, D.C. Dulles Intl

4h 05m

STT12:20 pmSaint Thomas Island Cyril E King

$503

United Airlines

Nov 25

STT3:00 pmSaint Thomas Island Cyril E King

8h 57m

1 stop

IAD10:57 pmWashington, D.C. Dulles Intl

Nov 29

IAD8:56 amWashington, D.C. Dulles Intl

4h 00m

STT1:56 pmSaint Thomas Island Cyril E King

$538

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Wed 9/23

1:41 pm-10:22 pm

1 stop32h 41m

Baltimore/Washington

Mon 9/28

6:00 am-12:51 pm

1 stop30h 51m

$308

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Tue 7/21

2:35 pm-10:05 pm

1 stop7h 30m

Baltimore/Washington

Fri 7/31

6:35 am-1:50 pm

1 stop7h 15m

$347

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Tue 8/25

1:49 pm-9:53 pm

1 stop32h 04m

Baltimore/Washington

Sat 9/5

10:40 am-3:52 pm

1 stop29h 12m

$370

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Wed 11/25

3:00 pm-10:31 pm

1 stop8h 31m

Washington, D.C. Reagan-National

Sun 11/29

6:00 am-4:20 pm

1 stop9h 20m

$450

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Fri 8/28

2:49 pm-12:01 pm

2 stops21h 12m

Washington, D.C. Reagan-National

Tue 9/1

8:00 am-2:55 pm

1 stop6h 55m

$461

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 9/23

2:52 pm-12:40 am

1 stop9h 48m

Washington, D.C. Dulles Intl

Mon 9/28

6:00 am-1:42 pm

1 stop7h 42m

$502

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 11/25

3:00 pm-10:57 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Sun 11/29

8:56 am-1:56 pm

Nonstop4h 00m

$538

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 10/21

2:49 pm-12:31 am

1 stop9h 42m

Washington, D.C. Dulles Intl

Fri 10/23

6:00 am-1:39 pm

1 stop7h 39m

$575

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Wed 11/25

2:40 pm-12:45 am

2 stops11h 05m

Baltimore/Washington

Sun 11/29

8:40 am-1:50 pm

Nonstop4h 10m

$600

Quickest round-trip

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Wed 11/25

2:40 pm-8:00 pm

1 stop6h 20m

Baltimore/Washington

Sun 11/29

8:40 am-1:50 pm

Nonstop4h 10m

$626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Saint Thomas Island, with most prices found around $0. If you’re not able to fly to Washington, D.C. in August, then June is your next best option. Flight prices from Saint Thomas Island to Washington, D.C. during June average around $143.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Saint Thomas Island is on a Friday. momondo users have found tickets for Friday departures for as low as $490. 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 Saint Thomas Island to Washington, D.C. for around $1,683.

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

In the morning is the cheapest time of day to fly from Saint Thomas Island to Washington, D.C. when you can find flight prices for as low as $571. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $790. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There are 2 cabin classes available to choose from on Saint Thomas Island to Washington, D.C. 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 Saint Thomas Island to Washington, D.C. flights?

You could potentially save up to 28% on your flight if you consider stops on a Saint Thomas Island to Washington, D.C. flight.

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

As of July 2026, prices for Saint Thomas Island to Washington, D.C. flights are approximately 31% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to Washington, D.C. 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. (STT to WAS) flight deals and tips

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

Best Price Found	$402
Fastest flight time	4h 13m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Saint Thomas Island in the past 72 hours is $402. The best round-trip flight deal from Saint Thomas Island to Washington, D.C. found on momondo in the last 72 hours is $599.

The fastest flight from Saint Thomas Island to Washington, D.C. takes 4h 13m

Direct flights go from Saint Thomas Island to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Saint Thomas Island there are direct flights to Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

Search flight deals

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

How far is Saint Thomas Island Cyril E King to Washington, D.C. by plane?
Saint Thomas Island Cyril E King and Washington, D.C. are 1594.5 mi apart from one another. A reasonable flight in good conditions will take 4h 13m.
When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C.?
Prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C.?
There are 4 operators available for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. as of July 2026.
How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to Washington, D.C.?
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..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Saint Thomas Island to Washington, D.C.?
Based on momondo bookings for flights between Saint Thomas Island and Washington, D.C., the leading plane model is Boeing 737 MAX 8, making up 71.05% of the total bookings. Other popular models include Boeing 757 with 18.42%, Boeing 737-700 with 5.26%, and Airbus A319 with 2.63%.
What is the most popular airline from Saint Thomas Island to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Saint Thomas Island to Washington, D.C. is United Airlines, representing 100% of all bookings.

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

Compare and see reviews for airlines that fly from Saint Thomas Island to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $143	Free Cancellation	Rating 7.8 8,459 reviews	Search Delta flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,804 reviews	Search American Airlines flights
JetBlue	PriceFrom $220	Free Cancellation	Rating 7.1 3,011 reviews	Search JetBlue flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 9,980 reviews	Search United Airlines flights

United Airlines Flights From Saint Thomas Island to Washington, D.C.
The lowest priced United Airlines flight from Saint Thomas Island to Washington, D.C. from the last 72 hours was $261. Generally, United Airlines has 8 flights on this route every week with an average price of $491. United Airlines is rated 7.4/10 by our users.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Colonial Beach

Towson

Manassas

Silver Spring

Tysons

Springfield

Fairfax

Bethesda

Edgewood

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Washington, D.C. from Saint Thomas Island which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Saint Thomas Island to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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?

Yes momondo offers price alerts on flights to Washington, D.C. from Saint Thomas Island. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

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

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Delta flights from Saint Thomas Island to Washington, D.C.

Our best Delta deals on Saint Thomas Island to Washington, D.C. flight tickets

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

Our best United Airlines deals on Saint Thomas Island to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

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

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

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

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

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

What is the cheapest airline that flies from Saint Thomas Island Cyril E King to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from Saint Thomas Island to Washington, D.C. on average per day?

How many flights depart from Saint Thomas Island to Washington, D.C. on average per week?

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

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

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

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

Compare and see reviews for airlines that fly from Saint Thomas Island to Washington, D.C. with momondo

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

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

Why use momondo?

An easier way to manage your Washington, D.C. trip

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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