$177 Cheap Flights from Christiansted (STX) to Washington (IAD)

View $177 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)

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Find available prices by choosing your travel dates.

Cheap Flights from Christiansted to Washington (STX-IAD)

Prices were available within the past 7 days and start at $177 for one-way flights and $527 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Silver Airways
Sat, May 24 - Sat, May 31
STX
St. Croix Island
IAD
Washington
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select Silver Airways flight, departing Sat, May 24 from St. Croix Island to Washington, returning Sat, May 31, priced at $527 found 2 days ago
Silver Airways
Thu, May 29 - Mon, Jun 2
STX
St. Croix Island
IAD
Washington
$557 Roundtrip, found 2 days ago
$557
Roundtrip
found 2 days ago
Select Silver Airways flight, departing Thu, May 29 from St. Croix Island to Washington, returning Mon, Jun 2, priced at $557 found 2 days ago
Silver Airways
Fri, Jun 13 - Mon, Jun 16
STX
St. Croix Island
IAD
Washington
$577 Roundtrip, found 2 days ago
$577
Roundtrip
found 2 days ago
Select Silver Airways flight, departing Fri, Jun 13 from St. Croix Island to Washington, returning Mon, Jun 16, priced at $577 found 2 days ago
Silver Airways
Thu, May 29 - Mon, Jun 2
STX
St. Croix Island
IAD
Washington
$578 Roundtrip, found 2 days ago
$578
Roundtrip
found 2 days ago
Select Silver Airways flight, departing Thu, May 29 from St. Croix Island to Washington, returning Mon, Jun 2, priced at $578 found 2 days ago
Silver Airways
Fri, May 9 - Tue, May 13
STX
St. Croix Island
IAD
Washington
$581 Roundtrip, found 4 days ago
$581
Roundtrip
found 4 days ago
Select Silver Airways flight, departing Fri, May 9 from St. Croix Island to Washington, returning Tue, May 13, priced at $581 found 4 days ago
Silver Airways
Thu, May 29 - Mon, Jun 2
STX
St. Croix Island
IAD
Washington
$583 Roundtrip, found 2 days ago
$583
Roundtrip
found 2 days ago
Select Silver Airways flight, departing Thu, May 29 from St. Croix Island to Washington, returning Mon, Jun 2, priced at $583 found 2 days ago
United
Thu, Jun 19 - Tue, Jul 8
STX
St. Croix Island
IAD
Washington
$603 Roundtrip, found 5 days ago
$603
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jun 19 from St. Croix Island to Washington, returning Tue, Jul 8, priced at $603 found 5 days ago
Cape Air
Tue, May 13 - Tue, May 27
STX
St. Croix Island
IAD
Washington
$622 Roundtrip, found 5 days ago
$622
Roundtrip
found 5 days ago
Select Cape Air flight, departing Tue, May 13 from St. Croix Island to Washington, returning Tue, May 27, priced at $622 found 5 days ago
Delta
Sat, Jun 14 - Sat, Jun 28
STX
St. Croix Island
IAD
Washington
$675 Roundtrip, found 5 days ago
$675
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jun 14 from St. Croix Island to Washington, returning Sat, Jun 28, priced at $675 found 5 days ago
American Airlines
Sat, May 24 - Sat, May 31
STX
St. Croix Island
IAD
Washington
$704 Roundtrip, found 2 days ago
$704
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 24 from St. Croix Island to Washington, returning Sat, May 31, priced at $704 found 2 days ago
Flights from Christiansted (STX) to Washington (IAD)
Origin airport
Henry E. Rohlsen
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, United
Roundtrip price
$527
Distance
1653 mi

Christiansted to Washington Flights

The cheapest times to fly from Christiansted to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Christiansted to Washington are during the month of May. You can find some of the cheapest flights from Christiansted to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Christiansted to Washington

Sunday is one of the best days to book for cheap flights from Christiansted to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Christiansted to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Christiansted to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $177 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Christiansted to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Christiansted to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from STX to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STX to IAD?
The cheapest flights from STX to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)?
You can’t fly directly from Christiansted (STX-Henry E. Rohlsen) to Washington Dulles Intl. Airport (IAD). However, you’ll find other airports offering nonstop flights. Hop on your plane at Cyril E. King Airport (STT) and head straight to Washington without layovers.
What is the cheapest airline that flies from STX to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STX to IAD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)?
There are no daily nonstop flights departing from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be cruising above the clouds in no time.
What day of the week has the most flights from STX to IAD?
Typically you’ll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) on schedule, select a flight that takes off from Henry E. Rohlsen Airport (STX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until right before your break to book a flight from STX to IAD generally means paying more. Although you may find some last-minute discounts, there’s no guarantee. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a STX to IAD flight and hotel package?
Securing a STX to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)?
In most instances, you’re able to reschedule or cancel your STX to IAD flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like more information, visit our Customer Service portal.

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*Available to One Key members.