$574 Cheap Flights from Colombo (CMB) to Washington (DCA)

View $574 flight on Tue, Dec 9, 2025Opens in a new window

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

Cheap Flights from Colombo to Washington (CMB-DCA)

Prices were available within the past 7 days and start at $574 for one-way flights and $1,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Nov 14 - Mon, Nov 17
CMB
Colombo
DCA
Washington
$1,068 Roundtrip, found 3 days ago
$1,068
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Nov 14 from Colombo to Washington, returning Mon, Nov 17, priced at $1,068 found 3 days ago
Air Canada
Wed, Apr 22 - Sun, Aug 23
CMB
Colombo
DCA
Washington
$1,085 Roundtrip, found 3 days ago
$1,085
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Apr 22 from Colombo to Washington, returning Sun, Aug 23, priced at $1,085 found 3 days ago
Air Canada
Wed, Apr 22 - Sun, Aug 23
CMB
Colombo
DCA
Washington
$1,094 Roundtrip, found 3 days ago
$1,094
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Apr 22 from Colombo to Washington, returning Sun, Aug 23, priced at $1,094 found 3 days ago
Air Canada
Wed, Apr 22 - Sun, Aug 23
CMB
Colombo
DCA
Washington
$1,144 Roundtrip, found 3 days ago
$1,144
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Apr 22 from Colombo to Washington, returning Sun, Aug 23, priced at $1,144 found 3 days ago
SriLankan Airlines
Fri, Nov 14 - Mon, Nov 17
CMB
Colombo
DCA
Washington
$1,163 Roundtrip, found 3 days ago
$1,163
Roundtrip
found 3 days ago
Select SriLankan Airlines flight, departing Fri, Nov 14 from Colombo to Washington, returning Mon, Nov 17, priced at $1,163 found 3 days ago
Air Canada
Wed, Apr 22 - Sun, Aug 23
CMB
Colombo
DCA
Washington
$1,188 Roundtrip, found 3 days ago
$1,188
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Apr 22 from Colombo to Washington, returning Sun, Aug 23, priced at $1,188 found 3 days ago
Air Canada
Fri, Nov 14 - Mon, Nov 17
CMB
Colombo
DCA
Washington
$1,205 Roundtrip, found 3 days ago
$1,205
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Nov 14 from Colombo to Washington, returning Mon, Nov 17, priced at $1,205 found 3 days ago
Air India
Wed, Apr 22 - Sun, Aug 23
CMB
Colombo
DCA
Washington
$1,265 Roundtrip, found 3 days ago
$1,265
Roundtrip
found 3 days ago
Select Air India flight, departing Wed, Apr 22 from Colombo to Washington, returning Sun, Aug 23, priced at $1,265 found 3 days ago
Cathay Pacific
Fri, Dec 19 - Fri, Jan 2
CMB
Colombo
DCA
Washington
$2,324 Roundtrip, found 1 day ago
$2,324
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Fri, Dec 19 from Colombo to Washington, returning Fri, Jan 2, priced at $2,324 found 1 day ago
American Airlines
Sun, Nov 2 - Sun, Nov 9
CMB
Colombo
DCA
Washington
$2,558 Roundtrip, found 1 day ago
$2,558
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Nov 2 from Colombo to Washington, returning Sun, Nov 9, priced at $2,558 found 1 day ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 36 minutes. Flights from $1,285
IAD
Washington Dulles Intl.
Average driving time to city center36 min
Flights from $1,285

Frequently asked questions

How much does a flight from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA) cost?
Snag a cheap one-way flight from $574 or cheap return flight from $1,068 from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA) 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 Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA)?
Flying in November can help you save, as it's the cheapest month for flights between CMB and DCA. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline flying from CMB to DCA, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA)?
Nonstop flights from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CMB to DCA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your ticket from CMB to DCA just before your journey is generally more expensive. However, if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a CMB to DCA flight and hotel package?
You can save money by securing a CMB to DCA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Bandaranaike Intl. Airport (CMB) to Ronald Reagan Washington National Airport (DCA)?
If you booked your CMB to DCA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Bandaranaike Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, American Airlines, Cathay Pacific
Roundtrip price
$1,067
Distance
8929 mi

Book with confidence

Colombo to Washington Flights

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

 

The best time to book a flight from Colombo to Washington

Sunday is one of the best days to book for cheap flights from Colombo 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 Colombo 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 Colombo to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $574 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 Colombo 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 Colombo 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.

 

Colombo to Washington Flights

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*Available to One Key members.