Which airport is the most popular layover for flights between Washington, D.C. and Saint Thomas Island?

Houston (IAH) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Washington, D.C. to Saint Thomas Island?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 6h 06m.

How long does it take to fly to Saint Thomas Island?

Average flight duration from Washington, D.C. to Saint Thomas Island depends on which airport you fly into and out of. Flying from Baltimore to Saint Thomas Island is 4h 10m on average, while flying from Washington, D.C. to Saint Thomas Island is 5h 06m on average. Saint Thomas Island is the most popular airport in Saint Thomas Island.

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

As of June 2026, there are 6 flights per week flying from Washington, D.C. to Saint Thomas Island. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Which layover airport has the shortest connection time from Washington, D.C. to Saint Thomas Island?

Atlanta (ATL) has the shortest average layover time for this route: 0h 44m.

Which layover airport offers the lowest fares from Washington, D.C. to Saint Thomas Island?

Flights via Chicago (ORD) offer the lowest average round-trip price of $200.

What airlines fly to Saint Thomas Island?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 5 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

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

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

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.

$114 Cheap Flights from Washington, D.C. to Saint Thomas Island in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Saint Thomas Island?

Prices are currently low for flights on this route. Typical prices usually range from $780 to $481. The lowest price recently found on this route was $240.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 3:52 pm

BWI

STT

9h 52m

1 stop

1:49 pm - 9:53 pm

STT

BWI

8h 04m

1 stop

$240American Airlines

Sat, Aug 22 - Sat, Aug 29

6:00 am - 2:59 pm

BWI

STT

8h 59m

1 stop

4:42 pm - 9:47 am

STT

BWI

17h 05m

1 stop

$265American Airlines

Fri, Aug 28 - Thu, Sep 3

3:25 pm - 1:20 pm

BWI

STT

21h 55m

2 stops

2:35 pm - 10:15 pm

STT

BWI

7h 40m

1 stop

$333Southwest

Fri, Sep 11 - Mon, Sep 14

8:15 am - 1:12 pm

IAD

STT

3h 57mnonstop

1:02 pm - 4:25 pm

STT

IAD

4h 23mnonstop

$334United Airlines

Mon, Nov 16 - Fri, Nov 20

6:00 am - 1:34 pm

IAD

STT

7h 34m

1 stop

4:13 pm - 12:34 am

STT

IAD

8h 21m

1 stop

$342Delta

Sat, Aug 29 - Sat, Sep 5

6:05 am - 3:43 pm

IAD

STT

9h 38m

1 stop

2:10 pm - 10:59 pm

STT

IAD

8h 49m

1 stop

$343United Airlines

Sat, Sep 26 - Sat, Oct 3

7:30 am - 3:02 pm

BWI

STT

7h 32m

1 stop

2:49 pm - 9:27 pm

STT

BWI

6h 38m

1 stop

$358Delta

Sat, Aug 29 - Wed, Sep 2

6:45 am - 1:50 pm

BWI

STT

7h 05m

1 stop

2:35 pm - 8:40 am

STT

BWI

18h 05m

2 stops

$370Southwest

Fri, Aug 28 - Fri, Sep 4

8:20 am - 3:32 pm

DCA

STT

7h 12m

1 stop

4:27 pm - 9:59 pm

STT

DCA

5h 32m

1 stop

$413JetBlue

Fri, Aug 28 - Mon, Aug 31

8:09 am - 3:38 pm

DCA

STT

7h 29m

1 stop

4:13 pm - 9:33 pm

STT

DCA

5h 20m

1 stop

$418JetBlue

Fri, Jul 3 - Tue, Jul 7

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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 22

BWI6:00 amBaltimore/Washington

9h 52m

1 stop

STT3:52 pmSaint Thomas Island Cyril E King

Aug 29

STT1:49 pmSaint Thomas Island Cyril E King

8h 04m

1 stop

BWI9:53 pmBaltimore/Washington

$240

American Airlines

Aug 28

BWI6:00 amBaltimore/Washington

8h 59m

1 stop

STT2:59 pmSaint Thomas Island Cyril E King

Sep 3

STT4:42 pmSaint Thomas Island Cyril E King

17h 05m

1 stop

BWI9:47 amBaltimore/Washington

$265

American Airlines

Aug 23

BWI6:35 pmBaltimore/Washington

18h 18m

1 stop

STT12:53 pmSaint Thomas Island Cyril E King

Aug 30

STT4:42 pmSaint Thomas Island Cyril E King

17h 07m

1 stop

BWI9:49 amBaltimore/Washington

$300

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

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

Southwest

Sep 11

BWI3:25 pmBaltimore/Washington

21h 55m

2 stops

STT1:20 pmSaint Thomas Island Cyril E King

Sep 14

STT2:35 pmSaint Thomas Island Cyril E King

7h 40m

1 stop

BWI10:15 pmBaltimore/Washington

$333

Southwest

Aug 28

BWI7:20 amBaltimore/Washington

6h 30m

1 stop

STT1:50 pmSaint Thomas Island Cyril E King

Sep 3

STT2:35 pmSaint Thomas Island Cyril E King

7h 40m

1 stop

BWI10:15 pmBaltimore/Washington

$370

Southwest

Sep 10

BWI7:20 amBaltimore/Washington

6h 30m

1 stop

STT1:50 pmSaint Thomas Island Cyril E King

Sep 14

STT2:35 pmSaint Thomas Island Cyril E King

7h 40m

1 stop

BWI10:15 pmBaltimore/Washington

$382

momondo Fare Finder

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

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Sat 8/22

6:00 am-3:52 pm

1 stop9h 52m

Saint Thomas Island Cyril E King

Sat 8/29

1:49 pm-9:53 pm

1 stop8h 04m

$240

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 8/28

6:00 am-2:59 pm

1 stop8h 59m

Saint Thomas Island Cyril E King

Thu 9/3

4:42 pm-9:47 am

1 stop17h 05m

$265

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 9/11

3:25 pm-1:20 pm

2 stops21h 55m

Saint Thomas Island Cyril E King

Mon 9/14

2:35 pm-10:15 pm

1 stop7h 40m

$333

Quickest round-trip

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 11/16

8:15 am-1:12 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Fri 11/20

1:02 pm-4:25 pm

Nonstop4h 23m

$334

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 8/29

6:00 am-1:34 pm

1 stop7h 34m

Saint Thomas Island Cyril E King

Sat 9/5

4:13 pm-12:34 am

1 stop8h 21m

$342

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 9/26

6:05 am-3:43 pm

1 stop9h 38m

Saint Thomas Island Cyril E King

Sat 10/3

2:10 pm-10:59 pm

1 stop8h 49m

$343

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Sat 8/29

7:30 am-3:02 pm

1 stop7h 32m

Saint Thomas Island Cyril E King

Wed 9/2

2:49 pm-9:27 pm

1 stop6h 38m

$358

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Fri 8/28

6:45 am-1:50 pm

1 stop7h 05m

Saint Thomas Island Cyril E King

Fri 9/4

2:35 pm-8:40 am

2 stops18h 05m

$370

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 8/28

8:20 am-3:32 pm

1 stop7h 12m

Saint Thomas Island Cyril E King

Mon 8/31

4:27 pm-9:59 pm

1 stop5h 32m

$413

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 7/3

8:09 am-3:38 pm

1 stop7h 29m

Saint Thomas Island Cyril E King

Tue 7/7

4:13 pm-9:33 pm

1 stop5h 20m

$418

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 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

Prices

Airlines

Layovers

Other information

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 $445. 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 $657.

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 $551 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.

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

There are 3 cabin classes available to choose from on Washington, D.C. to Saint Thomas Island 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 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 June 2026, prices for Washington, D.C. to Saint Thomas Island flights are approximately 39% cheaper 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	$206
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 $206. The best round-trip flight deal from Washington, D.C. to Saint Thomas Island found on momondo in the last 72 hours is $527.

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).

Search flight deals

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?
The number of operators available for flights from Washington, D.C. to Saint Thomas Island Cyril E King Airport is 5 as of June 2026.
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?
Based on momondo bookings for flights between Washington, D.C. and Saint Thomas Island, the leading plane model is Boeing 737 MAX 8, making up 91.57% of the total bookings. Other popular models include Boeing 737-700 with 3.75%, Boeing 737 with 1.64%, and Airbus A320-100/200 with 0.70%.
What is the most popular airline from Washington, D.C. to Saint Thomas Island?
Based on momondo bookings for flights between Washington, D.C. and Saint Thomas Island, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include American Airlines with 21%, JetBlue with 18%, and Delta with 4%.

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
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 8,394 reviews	Search Delta flights
JetBlue	PriceFrom $187	Free Cancellation	Rating 7.1 2,979 reviews	Search JetBlue flights
American Airlines	PriceFrom $190	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights
United Airlines	PriceFrom $190	Free Cancellation	Rating 7.4 9,800 reviews	Search United Airlines flights
Southwest	PriceFrom $191	Free Cancellation	Rating 7.9 4,240 reviews	Search Southwest flights

United Airlines Flights From Washington, D.C. to Saint Thomas Island
Across 6 United Airlines flights from Washington, D.C. to Saint Thomas Island this week, the average price was $437, with the best United Airlines deals starting from $190 round-trip. 9,799 users have rated United Airlines on momondo, with an average score of 7.4/10.

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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Cheap flights from Washington, D.C. to Saint Thomas Island from $114

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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

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

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

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

See travel insights to Saint Thomas Island from

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

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?

What is the cheapest day to depart on your flight to Saint Thomas Island?

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

How far in advance should I book a flight from Washington, D.C. to Saint Thomas Island?

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

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

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

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

What airlines fly to Saint Thomas Island?

Which airport is the most popular layover for flights between Washington, D.C. and Saint Thomas Island?

Which layover airport offers the lowest fares from Washington, D.C. to Saint Thomas Island?

Which layover airport has the shortest travel time from Washington, D.C. to Saint Thomas Island?

Which layover airport has the shortest connection time from Washington, D.C. to Saint Thomas Island?

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

How long does it take to fly to Saint Thomas Island?

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

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

Fastest flight time

Direct flights

Airports in Saint Thomas Island

Frequently asked questions about flying 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

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

Traveling to a place near Saint Thomas Island?

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List of cabin classes available on flights landing in Saint Thomas Island. Availability may vary depending on flight origin and airline.

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