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Saint Thomas Island

$211+ Cheap flights from Dulles Intl (IAD) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King are usually found in September or August, booked 37 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from Dulles Intl to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$399
(Mytrip)

One-way from

$211
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$632

Good round-trip deal

$634 or less

Good one-way deal

$402 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Saint Thomas Island Cyril E King flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Saint Thomas Island Cyril E King flights.
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From Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King
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One-way flight from Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 14% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Saint Thomas Island Cyril E King.
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Find flight deals from Dulles Intl to Saint Thomas Island

Cheapest flights from Dulles Intl to Saint Thomas Island
Explore the most affordable flight options available from Dulles Intl to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/118:25 amIAD - STT
3 stops25h 21mMultiple Airlines
Tue 2/182:33 pmSTT - IAD
3 stops21h 53mMultiple Airlines
Deal found 1/20$393
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/208:15 amIAD - STT
Nonstop3h 56mUnited Airlines
Thu 2/271:05 pmSTT - IAD
Nonstop4h 19mUnited Airlines
Deal found 1/21$460
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/246:00 amIAD - STT
1 stop8h 49mDelta
Wed 3/52:55 pmSTT - IAD
1 stop10h 25mDelta
Deal found 1/21$479
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/226:12 amIAD - STT
1 stop9h 48mAmerican Airlines
Thu 2/274:26 pmSTT - IAD
1 stop8h 27mAmerican Airlines
Deal found 1/20$504

Find flights from Dulles Intl to Saint Thomas Island within your budget

Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

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Any airport

Route

Depart

Return

Price

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 2/11

8:25 am-10:46 am

3 stops25h 21m

Saint Thomas Island Cyril E King

Tue 2/18

2:33 pm-11:26 am

3 stops21h 53m

$393

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Thu 2/20

8:15 am-1:11 pm

Nonstop3h 56m

Saint Thomas Island Cyril E King

Thu 2/27

1:05 pm-4:24 pm

Nonstop4h 19m

$460

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 2/24

6:00 am-3:49 pm

1 stop8h 49m

Saint Thomas Island Cyril E King

Wed 3/5

2:55 pm-12:20 am

1 stop10h 25m

$479

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 2/22

6:12 am-5:00 pm

1 stop9h 48m

Saint Thomas Island Cyril E King

Thu 2/27

4:26 pm-11:53 pm

1 stop8h 27m

$504

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Fri 1/31

8:25 am-10:46 am

3 stops25h 21m

$211

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Thu 3/6

9:00 am-1:56 pm

Nonstop3h 56m

$268

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 3/3

7:25 am-2:45 pm

1 stop6h 20m

$278

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 3/9

5:28 pm-10:50 am

1 stop17h 22m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Dulles Intl to Saint Thomas Island

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.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Saint Thomas Island in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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. Dulles Intl Airport-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub 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. Dulles Intl Airport-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 Dulles Intl to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Saint Thomas Island

Get recent, data-driven insights about flights from Dulles Intl to Saint Thomas Island including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Saint Thomas Island. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island, you should look to book at least 37 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. Dulles Intl Airport to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island (average of $433). Flying from Washington, D.C. Dulles Intl Airport to Saint Thomas Island in June is currently the most expensive (average of $660). 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 IAD to STT?

Find hourly flight availability from Dulles Intl 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 January 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 7% on flights from Washington, D.C. Dulles Intl Airport to Saint Thomas Island by exploring options for tickets at noon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Saint Thomas Island

Explore weekly flight availability from Dulles Intl to Saint Thomas Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from IAD to STT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated January 21, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Saint Thomas Island, such as United Airlines, American Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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
8,521 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Saint Thomas Island, you will be flying into Cyril E King. Saint Thomas Island Cyril E King (STT) is just 2.8 mi from the center of the city. Cyril E King is the only Saint Thomas Island airport and it handles 1 inbound flight from Washington, D.C. Dulles Intl per day. 4 airlines have flights to Saint Thomas Island Cyril E King from Washington, D.C. Dulles Intl on a regular basis.

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

    Flying on United Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $460. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $479 and $624, respectively. Users have found that United Airlines is 33% cheaper than the other options available to this destination.

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

    $268 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $278 and $323, respectively.

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island? While on average our users pay $994, our data indicates the cheapest price to be $312. The most popular route (Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King), is priced around $262.

  • Can I find deals for flights from Dulles Intl to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Saint Thomas Island.

  • Can I find deals for business class flights from Dulles Intl to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Saint Thomas Island (average of $433). Flying from Washington, D.C. Dulles Intl Airport to Saint Thomas Island in June is currently the most expensive (average of $660). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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St. John

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Alternative routes for Dulles Intl to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Dulles Intl to Saint Thomas Island

Discover the top 4 airlines that operate flights from Dulles Intl to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$248Average$363FlexibilityNo cancel feeOn-time65%
DeltaCheapest$427Average$590FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$457Average$696FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$537Average$642FlexibilityNo cancel feeOn-time71%
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