CA $374 Cheap Flights from Washington (DCA) to St. Thomas (STT)

View CA $374 flight on Wed, Sep. 24, 2025Opens in a new window

Popular airlines from Ronald Reagan National Airport (DCA) to Cyril E. King Airport (STT)

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Cheap flights from Washington (DCA) to St. Thomas (STT)

Prices were available within the past 7 days and start at CA $374 for one-way flights and CA $1,014 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,014 Roundtrip, found 2 days ago
CA $1,014
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,014 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,048 Roundtrip, found 2 days ago
CA $1,048
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,048 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,121 Roundtrip, found 2 days ago
CA $1,121
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,121 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,213 Roundtrip, found 2 days ago
CA $1,213
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,213 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,229 Roundtrip, found 2 days ago
CA $1,229
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,229 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,247 Roundtrip, found 2 days ago
CA $1,247
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,247 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,314 Roundtrip, found 2 days ago
CA $1,314
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,314 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,331 Roundtrip, found 2 days ago
CA $1,331
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,331 found 2 days ago
JetBlue Airways
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,339 Roundtrip, found 2 days ago
CA $1,339
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,339 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,341 Roundtrip, found 2 days ago
CA $1,341
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,341 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,348 Roundtrip, found 2 days ago
CA $1,348
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,348 found 2 days ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,365 Roundtrip, found 2 days ago
CA $1,365
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,365 found 2 days ago
Delta
Fri, Aug. 29 - Mon, Sep. 1
DCA
Washington
STT
St. Thomas
CA $1,422 Roundtrip, found 2 days ago
CA $1,422
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug. 29 from Washington to St. Thomas, returning Mon, Sep. 1, priced at CA $1,422 found 2 days ago

Find the cheapest month to fly from Washington (DCA) to St. Thomas (STT)

September is typically the cheapest month to fly

From CA $296 - CA $735 per traveller.

Graph displaying average flight prices per month

Flight from Washington to St. Thomas (DCA - STT) route information
Origin airport
Ronald Reagan Washington National
Destination airport
Cyril E. King
Roundtrip price
CA $1,013
Distance
2546 km

Washington to St. Thomas Flights

The easy way to book your flights from Washington to St. Thomas 

With Expedia, it’s simple to find and book flights to St. Thomas from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Cyril E. King, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to St. Thomas today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ronald Reagan Washington National, DCA to Cyril E. King, STT 

Sort your search results by price to find great deals on your flight from Washington to St. Thomas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Thomas from Washington currently is just CA $1,014 rising to CA $1,422.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Thomas  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Thomas from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Thomas with Expedia today.

Frequently asked questions

How much is a flight from Ronald Reagan Washington National Airport (DCA) to Cyril E. King Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Ronald Reagan Washington National Airport (DCA) and Cyril E. King Airport (STT) was CA $1,014. Cheap tickets don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from National Airport to STT?
The majority of flights can be cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from DCA to STT that have flexible change policies?
Flights from National Airport to STT with flexible change policies are available from several carriers. Simply use our "No change fees" filter when searching. You'll only need to cover the difference in ticket price, without any additional fees to worry about.
How many hours is the flight from National Airport to STT?
Lasting around 6 hours and 5 minutes, the flight between DCA and Cyril E. King Airport (STT) is a good opportunity to do some last-minute trip planning. How about using some of this time to work on your itinerary for St. Thomas?
How far is the flight from Ronald Reagan Washington National Airport (DCA) to STT?
It's around 2,600 kilometres from DCA to Cyril E. King Airport, so you'll be up in the air for a while. Keep yourself occupied by packing things like playing cards (if you're travelling with friends) or the latest bestseller.
Which airlines fly direct from DCA to Cyril E. King Airport (STT)?
Right now, no airlines offer flights directly from Ronald Reagan Washington National Airport (DCA) to STT. You'll need to book a flight with one or more stops. To score the best price and connections, lock in your airfare ahead of time.
Are DCA to STT flight tickets cheaper when they're purchased at the last minute?
It is possible to nab great last-minute deals from Ronald Reagan Washington National Airport (DCA) to STT, but it's also possible to miss out entirely! As many airlines release seats up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

Explore a world of travel with Expedia

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CA $656.89
*Available to Expedia members.