What are the cheapest airlines to fly from Washington, D.C. to Saint Thomas Island one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $114. Users have also found prices from $146 and $178 on Spirit Airlines and JetBlue, respectively.

What is the cheapest day to fly from Washington, D.C. to Saint Thomas Island?

Travelers seeking maximum savings on their Washington, D.C. to Saint Thomas Island flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. to Saint Thomas Island?

The most popular flight routes from Washington, D.C. to Saint Thomas Island are Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King, Washington, D.C. Reagan-National - Saint Thomas Island Cyril E King and Baltimore/Washington - Saint Thomas Island Cyril E King.

What are the most popular airlines that fly from Washington, D.C. to Saint Thomas Island?

Before booking your flight from Washington, D.C. to Saint Thomas Island check out the most popular airlines for this route: American Airlines, Delta or Spirit Airlines.

Where are the most common layover locations when flying from Washington, D.C. to Saint Thomas Island?

Most of the time, Washington, D.C. to Saint Thomas Island flights that have layovers will stop in San Juan.

Where are the least popular layover locations for Washington, D.C. to Saint Thomas Island flights?

Of the flights from Washington, D.C. to Saint Thomas Island that have layovers, the fewest flights stop in Orlando.

What are some popular things to do or see while on a layover in San Juan?

The majority of San Juan visitors spend their time at Viejo San Juan, Casa Blanca, and Museo de Arte Contemporaneo de Puerto Rico. Viejo San Juan, Casa Blanca, and Museo de Arte Contemporaneo de Puerto Rico are located about 7.7 mi, 7.9 mi, and 4.7 mi, respectively from San Juan Luis Munoz Marin Intl. Those looking to explore during their layover in San Juan can rent a car from San Juan Luis Munoz Marin Intl for about $47 per day.

What is the cheapest day to fly round-trip from Washington, D.C. to Saint Thomas Island?

Monday is generally a great day to depart. Flying on this day could help you save up to 28%.

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

Travelers have found it’s best to book a flight 23 days in advance to save up to 130% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 23 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to Saint Thomas Island 1-2 weeks in advance for as low as $544, or $893 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. to Saint Thomas Island?

September can be a great time to fly to Saint Thomas Island from Washington, D.C. with a flight ticket averaging about $596. Cheapflights users have found deals in the month of September for as cheap as $193. The most expensive prices can be found in the month of April.

Most accurate provider : When it comes to deals on Washington, D.C.-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Saint Thomas Island from Washington, D.C.?

Most people fly into Saint Thomas Island Cyril E King (STT) if they book a flight to Saint Thomas Island from Washington, D.C.. On average, Cyril E King has 0 inbound flights from Washington, D.C. per day from 5 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.

How can I find direct flights from Washington, D.C. to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Saint Thomas Island.

Can I find deals for business class flights from Washington, D.C. to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Washington, D.C. to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$114+ Flights from Washington, D.C. to Saint Thomas Island - Compare & Save Big

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Find cheap flights from Washington, D.C. to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Saint Thomas Island Cyril E King are usually found in September or October, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$296 (Cheapflightsfares)
One-way from	$114 (CheapOair)
Popular in	April
Cheapest in	September
Average price	$728
Good round-trip deal	$549 or less
Good one-way deal	$358 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Saint Thomas Island Cyril E King flights.

Search Deals

From Washington, D.C. (WAS) to Saint Thomas Island Cyril E King

Search Deals

One-way flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($77 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King.

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Price to beat on a one-way flight from Washington, D.C. (WAS) to Saint Thomas Island Cyril E King.

Search Deals

Find flight deals from Washington, D.C. to Saint Thomas Island

Cheapest flights from Washington, D.C. to Saint Thomas Island
Explore the most affordable flight options available from Washington, D.C. to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Tue 5/275:30 pmBWI - STT

1 stop15h 05mMultiple Airlines

Tue 6/39:10 amSTT - BWI

1 stop8h 30mMultiple Airlines

Deal found 4/27

$280

Sat 5/247:57 pmBWI - STT

1 stop14h 00mSpirit Airlines

Sat 5/3110:52 amSTT - BWI

1 stop8h 00mSpirit Airlines

Deal found 4/29

$290

Fri 6/203:13 pmIAD - STT

3 stops21h 16mMultiple Airlines

Thu 6/2610:47 amSTT - IAD

2 stops22h 36mMultiple Airlines

Deal found 4/27

$439

Tue 9/308:30 amDCA - STT

1 stop5h 35mJetBlue

Mon 10/63:00 pmSTT - DCA

1 stop6h 58mJetBlue

Deal found 4/28

$444

Mon 9/296:00 amBWI - STT

1 stop7h 39mDelta

Sat 10/43:50 pmSTT - BWI

1 stop6h 47mDelta

Deal found 4/28

$447

Mon 6/28:15 amIAD - STT

Nonstop4h 02mUnited Airlines

Mon 6/164:45 pmSTT - IAD

Nonstop4h 12mUnited Airlines

Deal found 4/28

$460

Wed 6/48:09 amBWI - STT

1 stop8h 11mAmerican Airlines

Tue 6/101:44 pmSTT - BWI

1 stop10h 15mAmerican Airlines

Deal found 4/28

$469

Tue 9/235:50 amDCA - STT

1 stop7h 00mAmerican Airlines

Sun 9/284:50 pmSTT - DCA

1 stop6h 50mAmerican Airlines

Deal found 4/29

$469

Wed 7/167:02 amIAD - STT

1 stop6h 50mDelta

Tue 7/221:27 pmSTT - IAD

1 stop9h 49mDelta

Deal found 4/28

$469

Fri 6/206:06 amDCA - STT

1 stop6h 08mDelta

Tue 7/14:01 pmSTT - DCA

1 stop7h 32mDelta

Deal found 4/28

$494

Sat 5/36:00 amBWI - STT

1 stop9h 43mUnited Airlines

Sat 5/101:17 pmSTT - BWI

1 stop9h 36mUnited Airlines

Deal found 4/28

$503

Sun 6/16:00 amDCA - STT

1 stop7h 08mUnited Airlines

Thu 6/51:19 pmSTT - DCA

1 stop8h 56mUnited Airlines

Deal found 4/28

$549

Best flights from Washington, D.C. to Saint Thomas Island
Discover carefully curated flight deals from Washington, D.C. to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Mon 6/27:57 pmBWI - STT

1 stop14h 00mSpirit Airlines

Mon 6/91:21 pmSTT - BWI

1 stop7h 08mSpirit Airlines

Deal found 4/29

$296

Sat 5/106:51 pmBWI - STT

1 stop15h 23mMultiple Airlines

Sat 5/1710:52 amSTT - BWI

1 stop8h 00mMultiple Airlines

Deal found 4/29

$432

Wed 6/118:20 amDCA - STT

1 stop7h 33mJetBlue

Thu 6/192:20 pmSTT - DCA

1 stop7h 27mJetBlue

Deal found 4/28

$458

Mon 6/28:15 amIAD - STT

Nonstop4h 02mUnited Airlines

Mon 6/164:45 pmSTT - IAD

Nonstop4h 12mUnited Airlines

Deal found 4/29

$460

Mon 6/26:35 amDCA - STT

1 stop6h 09mAmerican Airlines

Mon 6/91:44 pmSTT - DCA

1 stop8h 31mAmerican Airlines

Deal found 4/29

$469

Wed 7/167:02 amIAD - STT

1 stop6h 50mDelta

Tue 7/221:27 pmSTT - IAD

1 stop9h 49mDelta

Deal found 4/28

$469

Sat 5/248:25 amIAD - STT

3 stops28h 01mMultiple Airlines

Sat 5/311:21 pmSTT - IAD

2 stops21h 43mMultiple Airlines

Deal found 4/28

$453

Wed 6/115:40 amBWI - STT

1 stop8h 09mDelta

Tue 6/173:00 pmSTT - BWI

1 stop7h 43mDelta

Deal found 4/29

$499

Fri 7/188:06 pmIAD - STT

1 stop14h 39mAmerican Airlines

Tue 7/293:42 pmSTT - IAD

1 stop19h 17mAmerican Airlines

Deal found 4/29

$519

Wed 6/116:00 amDCA - STT

1 stop8h 51mDelta

Fri 6/204:01 pmSTT - DCA

1 stop7h 32mDelta

Deal found 4/28

$509

Mon 5/127:00 amDCA - STT

1 stop8h 43mUnited Airlines

Thu 5/152:10 pmSTT - DCA

1 stop7h 32mUnited Airlines

Deal found 4/28

$629

Mon 5/198:20 amDCA - STT

1 stop7h 33mMultiple Airlines

Fri 5/235:45 pmSTT - DCA

1 stop28h 14mMultiple Airlines

Deal found 4/29

$640

Last-minute flights from Washington, D.C. to Saint Thomas Island
Discover last-minute flight deals from Washington, D.C. to Saint Thomas Island. Data last updated April 30, 2025 and is based on user searches.

Sat 5/36:00 amBWI - STT

1 stop9h 43mUnited Airlines

Sat 5/101:17 pmSTT - BWI

1 stop9h 36mUnited Airlines

Deal found 4/28

$503

Sun 5/46:25 amDCA - STT

1 stop6h 18mDelta

Thu 5/81:17 pmSTT - DCA

1 stop8h 24mDelta

Deal found 4/28

$869

Sun 5/45:18 pmBWI - STT

2 stops22h 25mUnited Airlines

Thu 5/82:10 pmSTT - BWI

2 stops19h 44mUnited Airlines

Deal found 4/28

$1,115

Sun 5/45:55 pmBWI - STT

2 stops20h 53mAmerican Airlines

Thu 5/85:10 pmSTT - BWI

1 stop6h 42mAmerican Airlines

Deal found 4/28

$1,225

Mon 5/57:35 amIAD - STT

1 stop7h 30mDelta

Mon 5/121:17 pmSTT - IAD

1 stop11h 11mDelta

Deal found 4/28

$759

Wed 5/77:10 amBWI - STT

2 stops32h 20mMultiple Airlines

Tue 5/133:00 pmSTT - BWI

3 stops20h 04mMultiple Airlines

Deal found 4/28

$691

Thu 5/88:26 amBWI - STT

1 stop7h 04mSpirit Airlines

Mon 5/121:21 pmSTT - BWI

1 stop28h 27mSpirit Airlines

Deal found 4/28

$438

Thu 5/86:40 amDCA - STT

1 stop7h 58mAmerican Airlines

Mon 5/1211:40 amSTT - DCA

1 stop12h 19mAmerican Airlines

Deal found 4/28

$694

Thu 5/85:02 amIAD - STT

1 stop9h 36mAmerican Airlines

Tue 5/1311:40 amSTT - IAD

1 stop12h 22mAmerican Airlines

Deal found 4/28

$719

Thu 5/87:00 amDCA - STT

1 stop8h 43mUnited Airlines

Sun 5/112:10 pmSTT - DCA

1 stop7h 32mUnited Airlines

Deal found 4/29

$959

Fri 5/99:42 pmIAD - STT

3 stops36h 15mMultiple Airlines

Mon 5/121:21 pmSTT - IAD

3 stops46h 03mMultiple Airlines

Deal found 4/28

$598

Fri 5/98:30 amIAD - STT

1 stop7h 13mUnited Airlines

Mon 5/122:10 pmSTT - IAD

1 stop6h 57mUnited Airlines

Deal found 4/28

$761

One-way flights from Washington, D.C. to Saint Thomas Island
Search for one-way flight options from Washington, D.C. to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Thu 7/312:23 pmIAD - STT

1 stop28h 04mFrontier

Deal found 4/29

$114

Sat 5/317:57 pmBWI - STT

1 stop14h 00mSpirit Airlines

Deal found 4/28

$146

Fri 6/133:13 pmIAD - STT

2 stops18h 35mMultiple Airlines

Deal found 4/29

$175

Tue 6/108:20 amDCA - STT

1 stop7h 33mJetBlue

Deal found 4/29

$178

Tue 6/108:15 amIAD - STT

Nonstop4h 02mUnited Airlines

Deal found 4/29

$268

Tue 6/106:10 amDCA - STT

2 stops9h 50mAmerican Airlines

Deal found 4/29

$273

Tue 6/109:10 amIAD - STT

1 stop6h 10mAmerican Airlines

Deal found 4/29

$273

Fri 6/138:00 pmDCA - STT

2 stops19h 43mUnited Airlines

Deal found 4/29

$453

Thu 7/35:20 pmBWI - STT

2 stops22h 23mUnited Airlines

Deal found 4/29

$463

Wed 7/25:00 amBWI - STT

2 stops11h 00mAmerican Airlines

Deal found 4/29

$2,283

Cheapflights 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

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Tue 5/27

5:30 pm-8:35 am

1 stop15h 05m

Saint Thomas Island Cyril E King

Tue 6/3

9:10 am-5:40 pm

1 stop8h 30m

$280

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Sat 5/24

7:57 pm-9:57 am

1 stop14h 00m

Saint Thomas Island Cyril E King

Sat 5/31

10:52 am-6:52 pm

1 stop8h 00m

$290

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Fri 6/20

3:13 pm-12:29 pm

3 stops21h 16m

Saint Thomas Island Cyril E King

Thu 6/26

10:47 am-9:23 am

2 stops22h 36m

$439

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Wed 6/11

8:20 am-3:53 pm

1 stop7h 33m

Saint Thomas Island Cyril E King

Thu 6/19

2:20 pm-9:47 pm

1 stop7h 27m

$458

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 6/2

8:15 am-12:17 pm

Nonstop4h 02m

Saint Thomas Island Cyril E King

Mon 6/16

4:45 pm-8:57 pm

Nonstop4h 12m

$460

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Wed 6/4

8:09 am-4:20 pm

1 stop8h 11m

Saint Thomas Island Cyril E King

Tue 6/10

1:44 pm-11:59 pm

1 stop10h 15m

$469

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Wed 7/16

7:02 am-3:00 pm

1 stop7h 58m

Saint Thomas Island Cyril E King

Wed 7/23

3:02 pm-11:16 pm

1 stop8h 14m

$469

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Mon 6/2

6:35 am-12:44 pm

1 stop6h 09m

Saint Thomas Island Cyril E King

Mon 6/16

5:00 pm-9:14 am

1 stop16h 14m

$469

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Fri 6/20

6:06 am-12:14 pm

1 stop6h 08m

Saint Thomas Island Cyril E King

Tue 7/1

4:01 pm-11:33 pm

1 stop7h 32m

$494

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Wed 6/11

6:53 am-2:51 pm

1 stop7h 58m

Saint Thomas Island Cyril E King

Wed 6/18

3:00 pm-12:29 am

1 stop9h 29m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 results

Compare providers for flights from Washington, D.C. to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Saint Thomas Island in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Saint Thomas Island

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Saint Thomas Island, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $432). Flying from Washington, D.C. to Saint Thomas Island in June is currently the most expensive (average of $627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to STT?

When flying from Washington, D.C. to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 51% versus a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Saint Thomas Island to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue

7.3

Good

2,922 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,961 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly into for flights to Saint Thomas Island from Washington, D.C.?
Most people fly into Saint Thomas Island Cyril E King (STT) if they book a flight to Saint Thomas Island from Washington, D.C.. On average, Cyril E King has 0 inbound flights from Washington, D.C. per day from 5 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.
What are the cheapest airlines flying from Washington, D.C. to Saint Thomas Island round-trip?
Cheapflights users have booked flights from Washington, D.C. to Saint Thomas Island round-trip from $296. Other airlines that can offer you cheap pricing are JetBlue, from $458, and United Airlines, from $460. You may be able to fly from Washington, D.C. to Saint Thomas Island for 50% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Saint Thomas Island one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $114. Users have also found prices from $146 and $178 on Spirit Airlines and JetBlue, respectively.
What are the most popular routes from Washington, D.C. to Saint Thomas Island?
The most popular flight routes from Washington, D.C. to Saint Thomas Island are Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King, Washington, D.C. Reagan-National - Saint Thomas Island Cyril E King and Baltimore/Washington - Saint Thomas Island Cyril E King.
What are the cheapest flights from Washington, D.C. to Saint Thomas Island?
Looking at all options, your cheapest flight can be booked for $352. While the most popular route (Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King) can be booked for $352 on average our data indicates $804 when flying from Washington, D.C. to Saint Thomas Island.
Where are the most common layover locations when flying from Washington, D.C. to Saint Thomas Island?
Most of the time, Washington, D.C. to Saint Thomas Island flights that have layovers will stop in San Juan.
What are some popular things to do or see while on a layover in San Juan?
The majority of San Juan visitors spend their time at Viejo San Juan, Casa Blanca, and Museo de Arte Contemporaneo de Puerto Rico. Viejo San Juan, Casa Blanca, and Museo de Arte Contemporaneo de Puerto Rico are located about 7.7 mi, 7.9 mi, and 4.7 mi, respectively from San Juan Luis Munoz Marin Intl. Those looking to explore during their layover in San Juan can rent a car from San Juan Luis Munoz Marin Intl for about $47 per day.
Where are the least popular layover locations for Washington, D.C. to Saint Thomas Island flights?
Of the flights from Washington, D.C. to Saint Thomas Island that have layovers, the fewest flights stop in Orlando.
Can I find deals for flights from Washington, D.C. to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Saint Thomas Island.
Can I find deals for business class flights from Washington, D.C. to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Washington, D.C. to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Saint Thomas Island (average of $432). Flying from Washington, D.C. to Saint Thomas Island in June is currently the most expensive (average of $627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Washington, D.C. to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$197	Average$365	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$287	Average$511	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$434	Average$695	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$437	Average$674	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$450	Average$634	FlexibilityNo cancel fee	On-time69%

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$114+ Cheap flights from Washington, D.C. (WAS) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Saint Thomas Island Cyril E King are usually found in September or October, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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Find flight deals from Washington, D.C. to Saint Thomas Island

Cheapest flights from Washington, D.C. to Saint Thomas IslandExplore the most affordable flight options available from Washington, D.C. to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Explore the most affordable flight options available from Washington, D.C. to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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Best time to book a flight from Washington, D.C. to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Washington, D.C. with our price prediction graph.

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Everything you need to know about your flight from Washington, D.C. to Saint Thomas Island

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Saint Thomas Island. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from Washington, D.C. to Saint Thomas Island?

What is the cheapest time of day to fly from WAS to STT?

Find hourly flight availability from Washington, D.C. to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

Reviews of airlines servicing Saint Thomas Island

Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Saint Thomas Island to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Saint Thomas Island from Washington, D.C.?

What are the cheapest airlines flying from Washington, D.C. to Saint Thomas Island round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Saint Thomas Island one-way?

What are the most popular routes from Washington, D.C. to Saint Thomas Island?

What are the cheapest flights from Washington, D.C. to Saint Thomas Island?

Where are the most common layover locations when flying from Washington, D.C. to Saint Thomas Island?

What are some popular things to do or see while on a layover in San Juan?

Where are the least popular layover locations for Washington, D.C. to Saint Thomas Island flights?

Can I find deals for flights from Washington, D.C. to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Washington, D.C. to Saint Thomas Island?

Can I find deals for business class flights from Washington, D.C. to Saint Thomas Island?

What is the cheapest month to book a flight from Washington, D.C. to Saint Thomas Island?

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Top 5 airlines flying from Washington, D.C. to Saint Thomas Island

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Cheapest flights from Washington, D.C. to Saint Thomas Island
Explore the most affordable flight options available from Washington, D.C. to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.