What airlines fly to Washington, D.C.?

American Airlines, United Airlines and Spirit Airlines 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 53% 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.?

United Airlines and Delta 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 February 2026. The most frequent departure time is 1:00PM, 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 February 2026, 11 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 Thu, with 18% 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 February 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.

$92 Cheap Flights from Saint Thomas Island to Washington, D.C. in 2026

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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.

1:15 pm - 7:25 pm

STT

IAD

6h 10m

1 stop

8:11 pm - 12:07 pm

IAD

STT

15h 56m

1 stop

$210American Airlines

Wed, May 13 - Mon, May 18

12:25 pm - 11:49 pm

STT

BWI

11h 24m

1 stop

7:16 pm - 11:35 am

BWI

STT

16h 19m

1 stop

$210American Airlines

Wed, May 13 - Mon, May 18

3:05 pm - 7:30 pm

STT

BWI

4h 25mnonstop

8:55 am - 1:00 pm

BWI

STT

4h 05mnonstop

$236Southwest

Mon, Mar 9 - Mon, Mar 16

2:05 pm - 11:59 pm

STT

DCA

9h 54m

1 stop

6:30 am - 3:18 pm

DCA

STT

8h 48m

1 stop

$252United Airlines

Thu, Mar 12 - Mon, Mar 16

1:55 pm - 12:27 am

STT

IAD

10h 32m

1 stop

6:01 am - 1:47 pm

IAD

STT

7h 46m

1 stop

$284Delta

Tue, Mar 31 - Fri, Apr 10

2:10 pm - 12:17 am

STT

IAD

10h 07m

1 stop

6:00 am - 1:08 pm

IAD

STT

7h 08m

1 stop

$300United Airlines

Fri, Apr 24 - Thu, Apr 30

1:23 pm - 7:50 pm

STT

BWI

6h 27m

1 stop

6:09 pm - 12:28 pm

BWI

STT

18h 19m

2 stops

$330Spirit Airlines

Wed, May 13 - Mon, May 18

4:40 pm - 11:01 am

STT

BWI

18h 21m

2 stops

6:09 pm - 12:28 pm

BWI

STT

18h 19m

2 stops

$363Spirit Airlines

Wed, May 13 - Mon, May 18

1:55 pm - 12:27 am

STT

IAD

10h 32m

1 stop

6:01 am - 1:47 pm

IAD

STT

7h 46m

1 stop

$384Delta

Fri, Mar 20 - Mon, Mar 23

1:50 pm - 11:55 pm

STT

BWI

10h 05m

1 stop

8:55 am - 1:00 pm

BWI

STT

4h 05mnonstop

$405Southwest

Mon, Mar 9 - Mon, Mar 16

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

Mar 12

STT2:05 pmSaint Thomas Island Cyril E King

9h 54m

1 stop

DCA11:59 pmWashington, D.C. Reagan-National

Mar 16

DCA6:30 amWashington, D.C. Reagan-National

8h 48m

1 stop

STT3:18 pmSaint Thomas Island Cyril E King

$252

United Airlines

Apr 24

STT2:10 pmSaint Thomas Island Cyril E King

10h 07m

1 stop

IAD12:17 amWashington, D.C. Dulles Intl

Apr 30

IAD6:00 amWashington, D.C. Dulles Intl

7h 08m

1 stop

STT1:08 pmSaint Thomas Island Cyril E King

$300

United Airlines

Apr 24

STT2:10 pmSaint Thomas Island Cyril E King

10h 07m

1 stop

IAD12:17 amWashington, D.C. Dulles Intl

Apr 30

IAD8:15 amWashington, D.C. Dulles Intl

4h 05m

STT12:20 pmSaint Thomas Island Cyril E King

$368

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

Feb 27

STT4:15 pmSaint Thomas Island Cyril E King

6h 47m

1 stop

BWI10:02 pmBaltimore/Washington

Mar 3

BWI7:15 amBaltimore/Washington

6h 49m

1 stop

STT3:04 pmSaint Thomas Island Cyril E King

$288

Delta

Feb 27

STT1:50 pmSaint Thomas Island Cyril E King

7h 55m

1 stop

IAD8:45 pmWashington, D.C. Dulles Intl

Mar 3

IAD7:15 amWashington, D.C. Dulles Intl

8h 07m

1 stop

STT4:22 pmSaint Thomas Island Cyril E King

$290

Delta

Feb 27

STT3:10 pmSaint Thomas Island Cyril E King

10h 11m

1 stop

IAD12:21 amWashington, D.C. Dulles Intl

Mar 3

IAD7:15 amWashington, D.C. Dulles Intl

6h 49m

1 stop

STT3:04 pmSaint Thomas Island Cyril E King

$327

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

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 5/13

1:15 pm-7:25 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Mon 5/18

8:11 pm-12:07 pm

1 stop15h 56m

$210

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Wed 5/13

12:25 pm-11:49 pm

1 stop11h 24m

Baltimore/Washington

Mon 5/18

7:16 pm-11:35 am

1 stop16h 19m

$210

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Mon 3/9

3:05 pm-7:30 pm

Nonstop4h 25m

Baltimore/Washington

Mon 3/16

8:55 am-1:00 pm

Nonstop4h 05m

$236

Saint Thomas IslandWashington, D.C.

STT - DCA

STTDCA

Saint Thomas Island Cyril E King

Thu 3/12

2:05 pm-11:59 pm

1 stop9h 54m

Washington, D.C. Reagan-National

Mon 3/16

6:30 am-3:18 pm

1 stop8h 48m

$252

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Tue 3/31

1:55 pm-12:27 am

1 stop10h 32m

Washington, D.C. Dulles Intl

Fri 4/10

6:01 am-1:47 pm

1 stop7h 46m

$284

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 4/24

2:10 pm-12:17 am

1 stop10h 07m

Washington, D.C. Dulles Intl

Thu 4/30

6:00 am-1:08 pm

1 stop7h 08m

$300

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Wed 5/13

1:23 pm-7:50 pm

1 stop6h 27m

Baltimore/Washington

Mon 5/18

6:09 pm-12:28 pm

2 stops18h 19m

$330

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Wed 5/13

4:40 pm-11:01 am

2 stops18h 21m

Baltimore/Washington

Mon 5/18

6:09 pm-12:28 pm

2 stops18h 19m

$363

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 3/20

1:55 pm-12:27 am

1 stop10h 32m

Washington, D.C. Dulles Intl

Mon 3/23

6:01 am-1:47 pm

1 stop7h 46m

$384

Saint Thomas IslandBaltimore

STT - BWI

STTBWI

Saint Thomas Island Cyril E King

Mon 3/9

1:50 pm-11:55 pm

1 stop10h 05m

Baltimore/Washington

Mon 3/16

8:55 am-1:00 pm

Nonstop4h 05m

$405

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 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 $530. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, 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 $742.

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 $599. 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 $677. 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 Baltimore/Washington for the best Saint Thomas Island Cyril E King - Washington, D.C. flight prices

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

There are 4 cabin classes available to choose from on Saint Thomas Island Cyril E King 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 10% 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 February 2026, prices for Saint Thomas Island to Washington, D.C. flights are approximately 51% 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	$282
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 $282. The best round-trip flight deal from Saint Thomas Island to Washington, D.C. found on momondo in the last 72 hours is $405.

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

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 February 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 60.00% of the total bookings. Other popular models include Boeing 737-800 with 13.33%, Airbus A319 with 6.67%, and Boeing 757 with 6.67%.
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
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,353 reviews	Search American Airlines flights
JetBlue	PriceFrom $220	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 9,349 reviews	Search United Airlines flights
Spirit Airlines	PriceFrom $347	Free Cancellation	Rating 6.3 8,492 reviews	Search Spirit 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 $298. Generally, United Airlines has 7 flights on this route every week with an average price of $646. United Airlines is rated 7.4/10 by our users.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Silver Spring

Gaithersburg

Tysons

Fredericksburg

Rockville

Manassas

Springfield

Fairfax

Bethesda

Linthicum Heights

Glen Burnie

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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Cheap flights from Saint Thomas Island to Washington, D.C. from $92

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How to get the cheapest flight ticket from Saint Thomas Island 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 Cyril E King 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.

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.?

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

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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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