$188 Cheap Flights from Washington (IAD) to Christiansted (STX)

View $188 flight on Wed, Jan 21, 2026Opens in a new window

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

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Cheap Flights from Washington to Christiansted (IAD-STX)

Prices were available within the past 7 days and start at $188 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Oct 19 - Mon, Oct 20
IAD
Washington
STX
St. Croix Island
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select United flight, departing Sun, Oct 19 from Washington to St. Croix Island, returning Mon, Oct 20, priced at $369 found 1 day ago
United
Sun, Oct 19 - Tue, Oct 21
IAD
Washington
STX
St. Croix Island
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select United flight, departing Sun, Oct 19 from Washington to St. Croix Island, returning Tue, Oct 21, priced at $373 found 1 day ago
American Airlines
Wed, Jan 21 - Mon, Jan 26
IAD
Washington
STX
St. Croix Island
$375 Roundtrip, found 8 hours ago
$375
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Jan 21 from Washington to St. Croix Island, returning Mon, Jan 26, priced at $375 found 8 hours ago
American Airlines
Wed, Jan 21 - Mon, Jan 26
IAD
Washington
STX
St. Croix Island
$403 Roundtrip, found 8 hours ago
$403
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Jan 21 from Washington to St. Croix Island, returning Mon, Jan 26, priced at $403 found 8 hours ago
American Airlines
Thu, Feb 26 - Thu, Mar 5
IAD
Washington
STX
St. Croix Island
$432 Roundtrip, found 8 hours ago
$432
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Washington to St. Croix Island, returning Thu, Mar 5, priced at $432 found 8 hours ago
American Airlines
Wed, Jan 21 - Mon, Jan 26
IAD
Washington
STX
St. Croix Island
$451 Roundtrip, found 8 hours ago
$451
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Jan 21 from Washington to St. Croix Island, returning Mon, Jan 26, priced at $451 found 8 hours ago
American Airlines
Sun, Jan 18 - Tue, Jan 27
IAD
Washington
STX
St. Croix Island
$476 Roundtrip, found 5 days ago
$476
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Jan 18 from Washington to St. Croix Island, returning Tue, Jan 27, priced at $476 found 5 days ago
United
Wed, Oct 22 - Thu, Oct 23
IAD
Washington
STX
St. Croix Island
$479 Roundtrip, found 1 day ago
$479
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from Washington to St. Croix Island, returning Thu, Oct 23, priced at $479 found 1 day ago
United
Sun, Nov 2 - Wed, Nov 5
IAD
Washington
STX
St. Croix Island
$483 Roundtrip, found 2 days ago
$483
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 2 from Washington to St. Croix Island, returning Wed, Nov 5, priced at $483 found 2 days ago
Delta
Thu, Feb 26 - Thu, Mar 5
IAD
Washington
STX
St. Croix Island
$570 Roundtrip, found 8 hours ago
$570
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Feb 26 from Washington to St. Croix Island, returning Thu, Mar 5, priced at $570 found 8 hours ago
Flights from Washington (IAD) to Christiansted (STX)
Origin airport
Washington Dulles Intl.
Destination airport
Henry E. Rohlsen
Airlines serving
American Airlines, Delta, United
Roundtrip price
$368
Distance
1653 mi

Washington to Christiansted Flights

The cheapest times to fly from Washington to Christiansted

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 Washington to Christiansted are during the month of October. You can find some of the cheapest flights from Washington to Christiansted with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Christiansted

Sunday is one of the best days to book for cheap flights from Washington to Christiansted: 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 Washington to Christiansted

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 Washington to Christiansted in 2025. You can also book with separate airlines for your outbound and return journeys, from $188 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 Washington to Christiansted 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 Washington to Christiansted 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 Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX) cost?
Discover the latest flight deals from IAD to STX 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 IAD to STX?
The cheapest flights from IAD to STX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to STX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to STX. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX)?
There aren't any daily nonstop flights departing from Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from IAD to STX?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**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.
What airports do you fly into for St. Croix Island from Washington Dulles Intl. Airport (IAD)?
Explore your flight options from Washington Dulles Intl. Airport (IAD) to Cyril E. King Airport (STT). This is the only St. Croix Island airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX) last-minute?
Holding off until right before your break to book your flight from IAD to STX often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book an IAD to STX flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to STX flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Henry E. Rohlsen Airport (STX)?
In most cases, you're able to cancel or reschedule your IAD to STX flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.