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Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Thomas Island from $149

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:56 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
4h 00mnonstop
United Airlines Logo
3:00 pm - 12:45 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
10h 45m1 stop Chicago O'Hare Intl
$349United Airlines
Thu, Jan 28 - Sun, Jan 31
United Airlines Logo
8:56 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
4h 00mnonstop
United Airlines Logo
3:00 pm - 12:45 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
10h 45m1 stop Chicago O'Hare Intl
$349United Airlines
Thu, Jan 28 - Mon, Feb 1
American Airlines Logo
6:00 am - 1:41 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
6h 41m1 stop Charlotte Douglas
American Airlines Logo
4:38 pm - 10:05 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
6h 27m1 stop Charlotte Douglas
$356American Airlines
Fri, Nov 27 - Fri, Dec 4
American Airlines Logo
6:00 am - 3:42 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
8h 42m1 stop Charlotte Douglas
American Airlines Logo
1:58 pm - 9:10 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
8h 12m1 stop Charlotte Douglas
$356American Airlines
Tue, Jan 5 - Tue, Jan 12
American Airlines Logo
6:00 am - 1:41 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
6h 41m1 stop Charlotte Douglas
American Airlines Logo
2:36 pm - 9:12 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
7h 36m1 stop Charlotte Douglas
$356American Airlines
Sun, Nov 29 - Sat, Dec 5
United Airlines Logo
12:50 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
4h 00mnonstop
United Airlines Logo
3:00 pm - 12:19 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
10h 19m1 stop Chicago O'Hare Intl
$360United Airlines
Sun, Mar 7 - Wed, Mar 10
Delta Logo
6:00 am - 2:53 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
7h 53m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:15 pm - 12:20 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
9h 05m1 stop Atlanta Hartsfield-Jackson
$365Delta
Sun, Jan 31 - Thu, Feb 25
Delta Logo
7:17 am - 2:53 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
6h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:03 pm - 12:46 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
9h 43m1 stop Atlanta Hartsfield-Jackson
$365Delta
Mon, Jan 18 - Wed, Jan 27
Multiple Airlines Logo
12:06 pm - 10:05 amIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
20h 59m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
11:05 am - 1:00 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
26h 55m1 stop Tampa
$496Multiple Airlines
Tue, Dec 15 - Wed, Dec 23
Multiple Airlines Logo
10:37 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
39h 13m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
3:50 pm - 5:17 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
26h 27m1 stop Tampa
$498Multiple Airlines
Thu, Jan 7 - Sat, Jan 16

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Saint Thomas Island flight tickets
United Airlines
Jan 28
IAD8:56 amWashington, D.C. Dulles Intl
4h 00m
STT1:56 pmSaint Thomas Island Cyril E King
Feb 1
STT3:00 pmSaint Thomas Island Cyril E King
10h 45m
1 stop
IAD12:45 amWashington, D.C. Dulles Intl
$349
United Airlines
Jan 22
IAD8:56 amWashington, D.C. Dulles Intl
4h 00m
STT1:56 pmSaint Thomas Island Cyril E King
Jan 26
STT3:00 pmSaint Thomas Island Cyril E King
7h 20m
1 stop
IAD9:20 pmWashington, D.C. Dulles Intl
$366
United Airlines
Nov 14
IAD6:00 amWashington, D.C. Dulles Intl
9h 20m
1 stop
STT4:20 pmSaint Thomas Island Cyril E King
Nov 21
STT1:07 pmSaint Thomas Island Cyril E King
4h 23m
IAD4:30 pmWashington, D.C. Dulles Intl
$370

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Saint Thomas Island flight tickets
Delta
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
7h 53m
1 stop
STT2:53 pmSaint Thomas Island Cyril E King
Jan 11
STT3:11 pmSaint Thomas Island Cyril E King
7h 06m
1 stop
IAD9:17 pmWashington, D.C. Dulles Intl
$365
Delta
Dec 14
IAD6:00 amWashington, D.C. Dulles Intl
7h 52m
1 stop
STT2:52 pmSaint Thomas Island Cyril E King
Dec 21
STT4:20 pmSaint Thomas Island Cyril E King
9h 16m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
$372
Delta
Jan 12
IAD6:00 amWashington, D.C. Dulles Intl
7h 53m
1 stop
STT2:53 pmSaint Thomas Island Cyril E King
Jan 20
STT4:03 pmSaint Thomas Island Cyril E King
9h 43m
1 stop
IAD12:46 amWashington, D.C. Dulles Intl
$448

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Thu 1/28

8:56 am-1:56 pm

Nonstop4h 00m

Saint Thomas Island Cyril E King

Sun 1/31

3:00 pm-12:45 am

1 stop10h 45m

$349

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Thu 1/28

8:56 am-1:56 pm

Nonstop4h 00m

Saint Thomas Island Cyril E King

Mon 2/1

3:00 pm-12:45 am

1 stop10h 45m

$349
Quickest round-trip

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Fri 11/27

6:00 am-1:41 pm

1 stop6h 41m

Saint Thomas Island Cyril E King

Fri 12/4

4:38 pm-10:05 pm

1 stop6h 27m

$356

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Tue 1/5

6:00 am-3:42 pm

1 stop8h 42m

Saint Thomas Island Cyril E King

Tue 1/12

1:58 pm-9:10 pm

1 stop8h 12m

$356

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Sun 11/29

6:00 am-1:41 pm

1 stop6h 41m

Saint Thomas Island Cyril E King

Sat 12/5

2:36 pm-9:12 pm

1 stop7h 36m

$356

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Sun 3/7

12:50 pm-5:50 pm

Nonstop4h 00m

Saint Thomas Island Cyril E King

Wed 3/10

3:00 pm-12:19 am

1 stop10h 19m

$360

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Sun 1/31

6:00 am-2:53 pm

1 stop7h 53m

Saint Thomas Island Cyril E King

Thu 2/25

4:15 pm-12:20 am

1 stop9h 05m

$365

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Mon 1/18

7:17 am-2:53 pm

1 stop6h 36m

Saint Thomas Island Cyril E King

Wed 1/27

4:03 pm-12:46 am

1 stop9h 43m

$365

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Tue 12/15

12:06 pm-10:05 am

2 stops20h 59m

Saint Thomas Island Cyril E King

Wed 12/23

11:05 am-1:00 pm

1 stop26h 55m

$496

Washington, D.C.Saint Thomas Island

IAD Washington, D.C. Dulles Intl - STT Saint Thomas Island Cyril E King

IADSTT

Washington, D.C. Dulles Intl

Thu 1/7

10:37 pm-2:50 pm

2 stops39h 13m

Saint Thomas Island Cyril E King

Sat 1/16

3:50 pm-5:17 pm

1 stop26h 27m

$498

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

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

Prices are currently low for flights on this route.

Typical prices usually range from $496 to $689.
The lowest price recently found on this route was $349.

What is the cheapest month to fly to Saint Thomas Island?

The month of April is another great option to travel to Saint Thomas Island, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $386.

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. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $442. 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. Dulles Intl Airport to Saint Thomas Island for around $628.

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

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

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

You are more likely to see cheaper flights to Saint Thomas Island from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $530 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. Dulles Intl Airport for as low as $347 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Saint Thomas Island flights?

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Saint Thomas Island flight.

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

As of October 2026, prices for Washington, D.C. Dulles Intl Airport to Saint Thomas Island flights are approximately 20% cheaper when compared to flights at the same time last year.

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

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

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

Best Price Found

$149

Fastest flight time

4h 00m

Direct flights

Every day

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Washington, D.C. Dulles Intl Airport in the past 72 hours is $149. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Saint Thomas Island found on momondo in the last 72 hours is $349.
The fastest flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island takes 4h 00m
Direct flights go from Washington, D.C. Dulles Intl Airport to Saint Thomas Island every day.
There is 1 airport in Saint Thomas Island. From Washington, D.C. Dulles Intl Airport there are direct flights to Saint Thomas Island Cyril E King (STT).
Search flight deals

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

  • How far is Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King by plane?

    The distance between Washington, D.C. Dulles Intl and Saint Thomas Island Cyril E King is about 1608.5 mi. In terms of flight time, this usually takes a little over 4h 00m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Saint Thomas Island Cyril E King Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport 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 required travel and health documents for your Saint Thomas Island Cyril E King 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 Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Saint Thomas Island?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Saint Thomas Island?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $190Free CancellationRating
7.0
12,210 reviews
Search American Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.8
8,692 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.3
10,451 reviews
Search United Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Saint Thomas Island

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Saint Thomas Island start from $242 round-trip. Over the 4 United Airlines flights for this route in a normal week, average airfare is usually $536 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Why use momondo?

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

Finding the right flight to Saint Thomas Island from Washington, D.C. 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 Saint Thomas Island quick and easy, saving you time and money.

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

All flight searches from Washington, D.C. to Saint Thomas Island on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Saint Thomas Island 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 Washington, D.C. to Saint Thomas Island right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Saint Thomas Island, momondo offers a useful price alert feature which will track prices for flights to Saint Thomas Island from Washington, D.C. and alert you when they change.

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