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Dulles Intl

$202+ Cheap flights from Saint Thomas Island (STT) to Dulles Intl (IAD)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
STT — IAD
Jan 20 — Jan 271
Mon 1/20
Mon 1/27
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to Dulles Intl (IAD). 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 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(Mytrip)

One-way from

$202
(Mytrip)

Popular in

November

Cheapest in

September

Average price

$638
Provider with most accurate pricing for Saint Thomas Island Cyril E King-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Saint Thomas Island Cyril E King-Washington, D.C. Dulles Intl flights.
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From Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl
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One-way flight from Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl
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High demand for flights, 7% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Saint Thomas Island to Dulles Intl

Cheapest flights from Saint Thomas Island to Dulles Intl
Explore the most affordable flight options available from Saint Thomas Island to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.

This Mytrip deal was found by Cheapflights users on 1/14. 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.
Thu 3/62:40 pmSTT - IAD
3 stops21h 46mMultiple Airlines
Thu 3/1312:55 pmIAD - STT
3 stops21h 11mMultiple Airlines
Deal found 1/14$431
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Fri 2/142:15 pmSTT - IAD
1 stop9h 49mUnited Airlines
Mon 2/178:15 amIAD - STT
Nonstop3h 56mUnited Airlines
Deal found 1/15$532
This Delta deal was found by Cheapflights users on 1/14. 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.
Thu 3/64:00 pmSTT - IAD
1 stop9h 20mDelta
Thu 3/137:35 amIAD - STT
1 stop7h 24mDelta
Deal found 1/14$544
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 2/54:25 pmSTT - IAD
1 stop17h 18mAmerican Airlines
Wed 2/197:30 pmIAD - STT
1 stop15h 15mAmerican Airlines
Deal found 1/14$555

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

Customize your flight search to find flights from Saint Thomas Island to Dulles Intl 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 15, 2025.

Fly from

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Fly to

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Depart

Return

Price

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 3/6

2:40 pm-11:26 am

3 stops21h 46m

Washington, D.C. Dulles Intl

Thu 3/13

12:55 pm-10:06 am

3 stops21h 11m

$431

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 2/14

2:15 pm-11:04 pm

1 stop9h 49m

Washington, D.C. Dulles Intl

Mon 2/17

8:15 am-1:11 pm

Nonstop3h 56m

$532

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 3/6

4:00 pm-12:20 am

1 stop9h 20m

Washington, D.C. Dulles Intl

Thu 3/13

7:35 am-2:59 pm

1 stop7h 24m

$544

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 2/5

4:25 pm-8:43 am

1 stop17h 18m

Washington, D.C. Dulles Intl

Wed 2/19

7:30 pm-11:45 am

1 stop15h 15m

$555

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 3/6

2:40 pm-11:26 am

3 stops21h 46m

$202

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 3/6

1:05 pm-4:24 pm

Nonstop4h 19m

$272

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 3/6

4:18 pm-8:50 am

1 stop17h 32m

$277

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Sat 3/29

1:55 pm-12:31 am

1 stop10h 36m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Compare providers for flights from Saint Thomas Island to Dulles Intl

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 Saint Thomas Island to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice 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 Saint Thomas Island-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint Thomas Island-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint Thomas Island-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint Thomas Island-Washington, D.C. Dulles Intl Airport 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 Saint Thomas Island-Washington, D.C. Dulles Intl Airport 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 Saint Thomas Island to Dulles Intl

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

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

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

Find hourly flight availability from Saint Thomas Island to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2025.

It’s typically best to fly out from Saint Thomas Island to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Explore weekly flight availability from Saint Thomas Island to Dulles Intl. 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 15, 2025.

The most flights from STT to IAD 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).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 15, 2025.
To help decide which airline to fly from Saint Thomas Island to Washington, D.C., see what other customers have to say about American Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,963 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Dulles Intl. 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 from for flights from Saint Thomas Island to Washington, D.C. Dulles Intl?

    Most people fly from Saint Thomas Island Cyril E King (STT) if they book a flight from Saint Thomas Island to Washington, D.C. Dulles Intl. On average, Cyril E King has 1 outbound flight to Washington, D.C. Dulles Intl per day from 1 airline. 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 Saint Thomas Island to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $532. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $544 and $555, respectively. United Airlines is currently priced 15% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $272 on United Airlines. Other airlines that offer cheap prices include American Airlines from $277 and Delta from $670 one-way.

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

    While on average a flight from Saint Thomas Island to Washington, D.C. Dulles Intl Airport is generally $1,127, our data shows the cheapest flight currently is $307. When looking at the most popular route, (Saint Thomas Island Cyril E King - Washington, D.C. Dulles Intl), you can expect to pay $431 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Saint Thomas Island to Dulles Intl 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 Saint Thomas Island to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Saint Thomas Island to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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Alternative routes for Saint Thomas Island to Dulles Intl

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

Discover the top airline that operate flights from Saint Thomas Island to Dulles Intl. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$503Average$683FlexibilityNo cancel feeOn-time69%
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