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$749+ Cheap flights from Reagan-National (DCA) to Bandaranaike Intl (CMB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CMB
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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Cheap flight deals from Reagan-National to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 13, 2025.

Round-trip from

$955
(American Airlines)

One-way from

$749
(oojo)

Popular in

December

Cheapest in

February

Average price

$917
From Washington, D.C. Reagan-National to Colombo Bandaranaike Intl
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One-way flight from Washington, D.C. Reagan-National to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 15% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Reagan-National to Colombo

Cheapest flights from Reagan-National to Colombo
Explore the most affordable flight options available from Reagan-National to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:40 pmDCA - CMB
2 stops23h 55mAmerican Airlines
Sun 9/213:35 amCMB - DCA
2 stops25h 53mAmerican Airlines
Deal found 9/11$915
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:59 amDCA - CMB
2 stops31h 16mAmerican Airlines
Thu 10/304:15 amCMB - DCA
2 stops28h 21mAmerican Airlines
Deal found 9/12$955
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:40 pmDCA - CMB
2 stops23h 55mAmerican Airlines
Tue 9/233:35 amCMB - DCA
2 stops25h 53mAmerican Airlines
Deal found 9/12$976
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:09 pmDCA - CMB
2 stops24h 16mQatar Airways
Wed 12/178:50 pmCMB - DCA
2 stops31h 38mQatar Airways
Deal found 9/11$1,092
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:06 pmDCA - CMB
2 stops21h 29mQatar Airways
Wed 10/224:35 amCMB - DCA
2 stops25h 54mQatar Airways
Deal found 9/11$1,124
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:20 pmDCA - CMB
2 stops27h 15mQatar Airways
Mon 9/228:20 pmCMB - DCA
2 stops34h 05mQatar Airways
Deal found 9/11$1,129
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:38 amDCA - CMB
2 stops24h 22mQatar Airways
Wed 12/104:15 amCMB - DCA
2 stops27h 15mQatar Airways
Deal found 9/11$1,162
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:22 pmDCA - CMB
2 stops22h 03mQatar Airways
Sun 11/167:30 pmCMB - DCA
2 stops33h 04mQatar Airways
Deal found 9/11$1,166
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:15 amDCA - CMB
2 stops24h 45mQatar Airways
Wed 12/108:50 pmCMB - DCA
2 stops33h 21mQatar Airways
Deal found 9/10$1,169
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:38 amDCA - CMB
2 stops24h 42mQatar Airways
Mon 10/274:15 amCMB - DCA
2 stops26h 18mQatar Airways
Deal found 9/11$1,174
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:45 pmDCA - CMB
2 stops33h 30mQatar Airways
Wed 12/38:50 pmCMB - DCA
2 stops36h 39mQatar Airways
Deal found 9/12$1,183

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Colombo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 13, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Colombo

Route

Depart

Return

Price

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 10/26

10:55 am-1:55 am

2 stops29h 30m

Colombo Bandaranaike Intl

Wed 10/29

3:25 am-11:59 pm

2 stops30h 04m

$955

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 11/17

3:09 pm-2:45 am

2 stops25h 06m

Colombo Bandaranaike Intl

Tue 12/16

4:15 am-6:04 pm

2 stops24h 19m

$1,092

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 10/13

7:06 pm-2:05 am

2 stops21h 29m

Colombo Bandaranaike Intl

Wed 10/22

4:35 am-8:59 pm

2 stops25h 54m

$1,124

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 10/27

4:55 pm-1:55 am

2 stops23h 30m

Colombo Bandaranaike Intl

Sun 11/2

4:15 am-6:04 pm

2 stops24h 19m

$1,162

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sat 11/15

2:54 pm-2:45 am

2 stops25h 21m

Colombo Bandaranaike Intl

Tue 2/24

4:15 am-5:59 pm

2 stops24h 14m

$1,166

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 11/5

5:22 pm-1:55 am

2 stops22h 03m

Colombo Bandaranaike Intl

Sun 11/16

7:30 pm-6:04 pm

2 stops33h 04m

$1,166

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 10/26

6:15 am-4:30 pm

2 stops24h 45m

Colombo Bandaranaike Intl

Tue 12/9

4:15 am-9:00 pm

2 stops27h 15m

$1,169

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 1/14

5:25 pm-2:45 am

2 stops22h 50m

Colombo Bandaranaike Intl

Tue 2/10

4:15 am-5:57 pm

2 stops24h 12m

$1,175

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 9/28

5:30 pm-8:40 am

2 stops53h 40m

$762

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 10/21

4:38 pm-2:05 am

2 stops23h 57m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 19 results
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Best time to book a flight from Reagan-National to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport

What is the cheapest time of day to fly from DCA to CMB?

Find hourly flight availability from Reagan-National to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 13, 2025.

When flying from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport in 24h 16m. Fly via American Airlines or Qatar Airways to get the fastest option. The distance between Washington, D.C. Reagan-National Airport and Colombo Bandaranaike Intl Airport is about 8923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport one-way?

    For one-way options, check prices for Air India. According to our data, you can fly for as low as $762. Users have also found prices from $771 and $819 on American Airlines and Qatar Airways, respectively.

  • Can I find deals for flights from Reagan-National to Colombo that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Colombo.

  • Can I find deals for business class flights from Reagan-National to Colombo?

    Yes. Cheapflights offers flight deals from Reagan-National to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport (average of $1,028). Flying from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,732). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Negombo

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