HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$1,254+ Cheap flights from Bandaranaike Intl (CMB) to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — DCA
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colombo to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colombo to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Reagan-National (DCA). 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 August 21, 2025.

Round-trip from

$1,254
(Air Canada)

Popular in

January

Cheapest in

March

Average price

$1,399
From Colombo Bandaranaike Intl to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Colombo to Reagan-National

Cheapest flights from Colombo to Reagan-National
Explore the most affordable flight options available from Colombo to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:45 amCMB - DCA
2 stops28h 41mAir Canada
Sun 12/144:10 pmDCA - CMB
2 stops33h 50mAir Canada
Deal found 8/19$1,254
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Wed 12/3112:50 pmCMB - DCA
2 stops43h 36mAir Canada
Sat 2/146:50 pmDCA - CMB
2 stops31h 10mAir Canada
Deal found 8/20$1,320
This oojo deal was found by Cheapflights users on 8/20. 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 9/94:00 pmCMB - DCA
2 stops36h 50mAir India
Wed 10/16:19 amDCA - CMB
2 stops31h 21mAir India
Deal found 8/20$1,331
This Air Canada deal was found by Cheapflights users on 8/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/293:45 amCMB - DCA
3 stops51h 25mAir Canada
Wed 12/314:10 pmDCA - CMB
2 stops33h 50mAir Canada
Deal found 8/21$1,371
This Air Canada deal was found by Cheapflights users on 8/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:55 amCMB - DCA
2 stops45h 15mMultiple Airlines
Wed 12/316:00 amDCA - CMB
2 stops44h 00mMultiple Airlines
Deal found 8/21$1,524
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:05 pmCMB - DCA
2 stops42h 16mAir Canada
Wed 10/18:40 pmDCA - CMB
3 stops46h 25mAir Canada
Deal found 8/19$1,588
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:45 amCMB - DCA
3 stops39h 40mMultiple Airlines
Sun 12/149:40 amDCA - CMB
3 stops46h 15mMultiple Airlines
Deal found 8/19$1,609

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colombo to Reagan-National 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 August 21, 2025.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Colombo

Fly to

Reagan-National

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Thu 11/6

3:45 am-9:56 pm

2 stops28h 41m

Washington, D.C. Reagan-National

Sun 12/14

4:10 pm-12:30 pm

2 stops33h 50m

$1,254

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 11/7

11:40 pm-8:40 pm

3 stops31h 30m

Washington, D.C. Reagan-National

Sun 12/14

9:40 am-12:30 pm

2 stops40h 20m

$1,254

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 11/29

2:20 am-10:26 am

2 stops42h 36m

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-12:30 pm

2 stops44h 00m

$1,275

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Wed 12/31

12:50 pm-9:56 pm

2 stops43h 36m

Washington, D.C. Reagan-National

Sat 2/14

6:50 pm-12:30 pm

2 stops31h 10m

$1,320

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 9/9

4:00 pm-7:20 pm

2 stops36h 50m

Washington, D.C. Reagan-National

Wed 10/1

6:19 am-11:10 pm

2 stops31h 21m

$1,331

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sun 11/30

9:55 am-8:40 pm

2 stops45h 15m

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-12:30 pm

2 stops44h 00m

$1,524

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 11/14

5:05 pm-6:31 pm

3 stops35h 56m

$2,494

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 11/15

11:40 pm-8:00 pm

3 stops54h 50m

$2,583

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Thu 11/13

3:45 am-10:26 am

2 stops41h 11m

$3,206

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 11/15

12:50 pm-10:26 am

2 stops56h 06m

$3,219

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 14 results
1
2

Best time to book a flight from Colombo to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Colombo 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.

Related info for your journey

Find useful and relevant information for your journey from Colombo to Reagan-National. 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 Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport?

    A quick flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport can take about 28h 41m. Air Canada provides one of the quickest options available for as low as $1,254. The distance from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport is about 8923 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colombo to Reagan-National 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 Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colombo to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Colombo to Dulles Intl flights
Colombo to Baltimore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.