Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Thomas Island from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Multiple Airlines Logo
8:36 pm - 3:11 pmIAD-STT
17h 35m1 stop
Multiple Airlines Logo
4:06 pm - 7:51 pmSTT-IAD
28h 45m1 stop
$302Multiple Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
Multiple Airlines Logo
8:36 pm - 3:11 pmIAD-STT
17h 35m1 stop
Multiple Airlines Logo
4:06 pm - 7:51 pmSTT-IAD
28h 45m1 stop
$304Multiple Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
Multiple Airlines Logo
8:36 pm - 10:51 amIAD-STT
37h 15m2 stops
Multiple Airlines Logo
4:06 pm - 7:51 pmSTT-IAD
28h 45m1 stop
$329Multiple Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 12
Multiple Airlines Logo
8:36 pm - 3:11 pmIAD-STT
17h 35m1 stop
Multiple Airlines Logo
1:33 pm - 11:55 pmSTT-IAD
11h 22m2 stops
$331Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
8:36 pm - 12:28 pmIAD-STT
14h 52m2 stops
Multiple Airlines Logo
4:06 pm - 7:51 pmSTT-IAD
28h 45m1 stop
$332Multiple Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
Multiple Airlines Logo
9:38 pm - 1:35 pmIAD-STT
15h 57m1 stop
Multiple Airlines Logo
11:01 am - 11:55 pmSTT-IAD
12h 54m2 stops
$334Multiple Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Multiple Airlines Logo
8:40 am - 12:28 pmIAD-STT
26h 48m2 stops
Multiple Airlines Logo
4:06 pm - 7:51 pmSTT-IAD
28h 45m1 stop
$335Multiple Airlines
Find Deal
Tue, Nov 4 - Wed, Nov 12
Multiple Airlines Logo
9:38 pm - 12:59 pmIAD-STT
15h 21m1 stop
Multiple Airlines Logo
11:01 am - 11:55 pmSTT-IAD
12h 54m2 stops
$336Multiple Airlines
Find Deal
Sat, Oct 18 - Sat, Nov 1
Multiple Airlines Logo
9:38 pm - 1:35 pmIAD-STT
15h 57m1 stop
Multiple Airlines Logo
1:33 pm - 11:55 pmSTT-IAD
11h 22m2 stops
$338Multiple Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 15
Multiple Airlines Logo
8:47 am - 9:56 amIAD-STT
25h 09m2 stops
Multiple Airlines Logo
3:37 pm - 7:51 pmSTT-IAD
29h 14m1 stop
$339Multiple Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 2

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
Sep 28
IAD6:15 amWashington, D.C. Dulles Intl
6h 53m
1 stop
STT1:08 pmSaint Thomas Island Cyril E King
Oct 4
STT2:10 pmSaint Thomas Island Cyril E King
7h 14m
1 stop
IAD9:24 pmWashington, D.C. Dulles Intl
$784
Find similar
United Airlines
Sep 28
IAD6:15 amWashington, D.C. Dulles Intl
6h 53m
1 stop
STT1:08 pmSaint Thomas Island Cyril E King
Oct 4
STT2:10 pmSaint Thomas Island Cyril E King
7h 14m
1 stop
IAD9:24 pmWashington, D.C. Dulles Intl
$793
Find similar
United Airlines
Sep 28
IAD6:15 amWashington, D.C. Dulles Intl
6h 53m
1 stop
STT1:08 pmSaint Thomas Island Cyril E King
Oct 4
STT4:45 pmSaint Thomas Island Cyril E King
4h 08m
IAD8:53 pmWashington, D.C. Dulles Intl
$817
Find similar

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
Sep 29
IAD6:00 amWashington, D.C. Dulles Intl
7h 33m
1 stop
STT1:33 pmSaint Thomas Island Cyril E King
Oct 4
STT2:43 pmSaint Thomas Island Cyril E King
8h 34m
1 stop
IAD11:17 pmWashington, D.C. Dulles Intl
$799
Find similar
Delta
Sep 22
IAD6:00 amWashington, D.C. Dulles Intl
7h 33m
1 stop
STT1:33 pmSaint Thomas Island Cyril E King
Sep 29
STT2:43 pmSaint Thomas Island Cyril E King
9h 30m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
$814
Find similar
Delta
Sep 29
IAD6:00 amWashington, D.C. Dulles Intl
7h 33m
1 stop
STT1:33 pmSaint Thomas Island Cyril E King
Oct 4
STT2:43 pmSaint Thomas Island Cyril E King
8h 34m
1 stop
IAD11:17 pmWashington, D.C. Dulles Intl
$849
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Saint Thomas Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

Fly to

Route

Depart

Return

Price

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 11/8

8:36 pm-3:11 pm

1 stop17h 35m

Saint Thomas Island Cyril E King

Fri 11/14

4:06 pm-7:51 pm

1 stop28h 45m

$302

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 11/8

8:36 pm-3:11 pm

1 stop17h 35m

Saint Thomas Island Cyril E King

Fri 11/14

4:06 pm-7:51 pm

1 stop28h 45m

$304

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 11/2

8:36 pm-10:51 am

2 stops37h 15m

Saint Thomas Island Cyril E King

Wed 11/12

4:06 pm-7:51 pm

1 stop28h 45m

$329

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 11/8

8:36 pm-3:11 pm

1 stop17h 35m

Saint Thomas Island Cyril E King

Sat 11/15

1:33 pm-11:55 pm

2 stops11h 22m

$331

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 11/8

8:36 pm-12:28 pm

2 stops14h 52m

Saint Thomas Island Cyril E King

Fri 11/14

4:06 pm-7:51 pm

1 stop28h 45m

$332

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 10/25

9:38 pm-1:35 pm

1 stop15h 57m

Saint Thomas Island Cyril E King

Sat 11/1

11:01 am-11:55 pm

2 stops12h 54m

$334

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 11/4

8:40 am-12:28 pm

2 stops26h 48m

Saint Thomas Island Cyril E King

Wed 11/12

4:06 pm-7:51 pm

1 stop28h 45m

$335

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 10/18

9:38 pm-12:59 pm

1 stop15h 21m

Saint Thomas Island Cyril E King

Sat 11/1

11:01 am-11:55 pm

2 stops12h 54m

$336

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 10/25

9:38 pm-1:35 pm

1 stop15h 57m

Saint Thomas Island Cyril E King

Sat 11/15

1:33 pm-11:55 pm

2 stops11h 22m

$338

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Wed 10/29

8:47 am-9:56 am

2 stops25h 09m

Saint Thomas Island Cyril E King

Sun 11/2

3:37 pm-7:51 pm

1 stop29h 14m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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

The month of July is another great option to travel to Saint Thomas Island, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $575.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $638. 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 $865.

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

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $348. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $714. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 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 $693 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 $589 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King 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 69% 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?

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

$313

Fastest flight time

3h 56m

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 $313. 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 $549.
The fastest flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island takes 3h 56m
Direct flights go from Washington, D.C. Dulles Intl Airport to Saint Thomas Island every day.
There is 1 airport near Saint Thomas Island: Saint Thomas Island Cyril E King (STT)
Search flight deals

  • 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 14h 43m.

  • 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
Spirit AirlinesPriceFrom $295Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $346Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $460Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

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.

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Saint Croix Airport