$187 Cheap Flights from Christiansted (STX) to Washington (IAD)

View $187 flight on Mon, Dec 22, 2025Opens in a new window

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

Cheap Flights from Christiansted to Washington (STX-IAD)

Prices were available within the past 7 days and start at $187 for one-way flights and $385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 20 - Tue, Jan 6
STX
St. Croix Island
IAD
Washington
$385 Roundtrip, found 3 days ago
$385
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Dec 20 from St. Croix Island to Washington, returning Tue, Jan 6, priced at $385 found 3 days ago
Delta
Sat, Feb 14 - Thu, Feb 19
STX
St. Croix Island
IAD
Washington
$475 Roundtrip, found 1 day ago
$475
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from St. Croix Island to Washington, returning Thu, Feb 19, priced at $475 found 1 day ago
Delta
Sat, Feb 14 - Thu, Feb 19
STX
St. Croix Island
IAD
Washington
$504 Roundtrip, found 1 day ago
$504
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from St. Croix Island to Washington, returning Thu, Feb 19, priced at $504 found 1 day ago
Delta
Sat, Feb 14 - Thu, Feb 19
STX
St. Croix Island
IAD
Washington
$515 Roundtrip, found 1 day ago
$515
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from St. Croix Island to Washington, returning Thu, Feb 19, priced at $515 found 1 day ago
Delta
Sat, Feb 14 - Thu, Feb 19
STX
St. Croix Island
IAD
Washington
$544 Roundtrip, found 1 day ago
$544
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from St. Croix Island to Washington, returning Thu, Feb 19, priced at $544 found 1 day ago
American Airlines
Sat, Feb 14 - Thu, Feb 19
STX
St. Croix Island
IAD
Washington
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 14 from St. Croix Island to Washington, returning Thu, Feb 19, priced at $568 found 1 day ago
American Airlines
Wed, Dec 31 - Wed, Jan 7
STX
St. Croix Island
IAD
Washington
$585 Roundtrip, found 6 days ago
$585
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Dec 31 from St. Croix Island to Washington, returning Wed, Jan 7, priced at $585 found 6 days ago
Delta
Sat, Feb 14 - Thu, Feb 19
STX
St. Croix Island
IAD
Washington
$595 Roundtrip, found 1 day ago
$595
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from St. Croix Island to Washington, returning Thu, Feb 19, priced at $595 found 1 day ago
United
Sat, Sep 20 - Sun, Sep 28
STX
St. Croix Island
IAD
Washington
$654 Roundtrip, found 2 days ago
$654
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from St. Croix Island to Washington, returning Sun, Sep 28, priced at $654 found 2 days ago
Cape Air
Mon, Sep 22 - Sun, Sep 28
STX
St. Croix Island
IAD
Washington
$678 Roundtrip, found 2 days ago
$678
Roundtrip
found 2 days ago
Select Cape Air flight, departing Mon, Sep 22 from St. Croix Island to Washington, returning Sun, Sep 28, priced at $678 found 2 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $303
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $303
Flights from Christiansted (STX) to Washington (IAD)
Origin airport
Henry E. Rohlsen
Destination airport
Washington Dulles Intl.
Airlines serving
United
Roundtrip price
$384
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 December. 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 $187 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?
Snag a cheap one-way flight from $187 or cheap return flight from $385 from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from STX to IAD is December, when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
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 Henry E. Rohlsen Airport (STX) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from STX to IAD. Then, sort your results by "Price (lowest to highest)" to pick 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.