$497 Cheap Flights from Washington (DCA) to Colombo (CMB)

View $497 flight on Wed, Apr 15, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Colombo (DCA-CMB)

Prices were available within the past 7 days and start at $497 for one-way flights and $889 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 10 - Mon, Nov 30
DCA
Washington
CMB
Colombo
$889 Roundtrip, found 5 days ago
$889
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 10 from Washington to Colombo, returning Mon, Nov 30, priced at $889 found 5 days ago
American Airlines
Tue, Nov 10 - Mon, Nov 30
DCA
Washington
CMB
Colombo
$939 Roundtrip, found 5 days ago
$939
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 10 from Washington to Colombo, returning Mon, Nov 30, priced at $939 found 5 days ago
American Airlines
Sat, Nov 7 - Sat, Nov 21
DCA
Washington
CMB
Colombo
$969 Roundtrip, found 5 days ago
$969
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Nov 7 from Washington to Colombo, returning Sat, Nov 21, priced at $969 found 5 days ago
American Airlines
Sun, Apr 12 - Tue, May 12
DCA
Washington
CMB
Colombo
$970 Roundtrip, found 3 days ago
$970
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Apr 12 from Washington to Colombo, returning Tue, May 12, priced at $970 found 3 days ago
Air Canada
Mon, Apr 13 - Wed, May 13
DCA
Washington
CMB
Colombo
$1,010 Roundtrip, found 2 days ago
$1,010
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Apr 13 from Washington to Colombo, returning Wed, May 13, priced at $1,010 found 2 days ago
American Airlines
Sat, Nov 7 - Sat, Nov 21
DCA
Washington
CMB
Colombo
$1,019 Roundtrip, found 5 days ago
$1,019
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Nov 7 from Washington to Colombo, returning Sat, Nov 21, priced at $1,019 found 5 days ago
United
Sat, Apr 4 - Wed, Apr 15
DCA
Washington
CMB
Colombo
$1,020 Roundtrip, found 21 hours ago
$1,020
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Apr 4 from Washington to Colombo, returning Wed, Apr 15, priced at $1,020 found 21 hours ago
American Airlines
Mon, Mar 23 - Tue, Apr 7
DCA
Washington
CMB
Colombo
$1,021 Roundtrip, found 18 hours ago
$1,021
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Mon, Mar 23 from Washington to Colombo, returning Tue, Apr 7, priced at $1,021 found 18 hours ago
JetBlue Airways
Tue, Apr 7 - Tue, May 26
DCA
Washington
CMB
Colombo
$1,088 Roundtrip, found 6 hours ago
$1,088
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Tue, Apr 7 from Washington to Colombo, returning Tue, May 26, priced at $1,088 found 6 hours ago
Cathay Pacific
Wed, Sep 2 - Wed, Sep 23
DCA
Washington
CMB
Colombo
$1,313 Roundtrip, found 3 days ago
$1,313
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Wed, Sep 2 from Washington to Colombo, returning Wed, Sep 23, priced at $1,313 found 3 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Colombo

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

Select flight to Bandaranaike Intl. CMB. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $1,365
CMB
Bandaranaike Intl.
Cheapest
Average driving time to city center28 min
Flights from $1,365

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB) cost?
Secure a cheap one-way flight from $497 or cheap return flight from $889 from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between DCA and CMB. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DCA to CMB. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB)?
There aren't any daily direct flights from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB). 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 DCA to CMB?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB)?
Book a flight from Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB) last-minute?
Holding off until just before your departure to book your flight from DCA to CMB often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a DCA to CMB flight and hotel package?
Securing a DCA to CMB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of hotels 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 Ronald Reagan Washington National Airport (DCA) to Bandaranaike Intl. Airport (CMB)?
In most cases, you're able to reschedule or cancel your DCA to CMB flight. However, there may be additional charges, especially if you booked more than 24 hours ago. 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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Bandaranaike Intl.
Airlines serving
Air Canada, American Airlines, Cathay Pacific, Emirates, Etihad Airways, Qatar Airways
Roundtrip price
$889
Distance
8929 mi

Book with confidence

Washington to Colombo Flights

The cheapest times to fly from Washington to Colombo

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

 

The best time to book a flight from Washington to Colombo

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

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 Colombo in 2026. You can also book with separate airlines for your outbound and return journeys, from $497 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 Colombo 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 Colombo 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.

 

Washington to Colombo Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.