In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport as you normally would.

Most accurate provider : When it comes to deals on Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$828+ Flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

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Cheap 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 December 12, 2025.

Fri 12/262:20 amCMB - DCA

2 stops27h 55mAir Canada

Thu 1/16:50 pmDCA - CMB

2 stops27h 00mAir Canada

Deal found 12/11

$1,814

Fri 12/2612:35 amCMB - DCA

2 stops42h 50mMultiple Airlines

Thu 1/19:40 amDCA - CMB

2 stops36h 10mMultiple Airlines

Deal found 12/11

$1,901

Sun 12/284:00 pmCMB - DCA

2 stops41h 16mMultiple Airlines

Thu 1/16:15 amDCA - CMB

2 stops22h 15mMultiple Airlines

Deal found 12/11

$1,970

Sat 12/278:15 pmCMB - DCA

3 stops35h 14mEmirates

Thu 1/112:45 pmDCA - CMB

2 stops33h 05mEmirates

Deal found 12/11

$5,100

Best flights from Colombo to Reagan-National
Discover carefully curated flight deals from Colombo to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Thu 4/21:10 pmCMB - DCA

2 stops40h 13mAir Canada

Mon 4/612:55 pmDCA - CMB

2 stops38h 20mAir Canada

Deal found 12/9

$1,218

Sun 12/284:00 pmCMB - DCA

2 stops41h 16mMultiple Airlines

Thu 1/16:15 amDCA - CMB

2 stops22h 15mMultiple Airlines

Deal found 12/11

$1,970

Thu 4/210:05 pmCMB - DCA

2 stops34h 13mEmirates

Mon 4/65:00 pmDCA - CMB

3 stops40h 00mEmirates

Deal found 12/9

$2,123

Sat 1/1011:15 amCMB - DCA

2 stops42h 10mQatar Airways

Sat 1/174:39 pmDCA - CMB

2 stops23h 36mQatar Airways

Deal found 12/11

$2,223

Tue 1/1312:25 amCMB - DCA

2 stops32h 40mAir Canada

Sun 4/58:40 pmDCA - CMB

2 stops30h 35mAir Canada

Deal found 12/11

$1,420

Fri 12/262:20 amCMB - DCA

2 stops27h 55mAir Canada

Thu 1/16:50 pmDCA - CMB

2 stops27h 00mAir Canada

Deal found 12/11

$1,814

Last-minute flights from Colombo to Reagan-National
Discover last-minute flight deals from Colombo to Reagan-National. Data last updated December 12, 2025 and is based on user searches.

Fri 12/262:20 amCMB - DCA

2 stops27h 55mAir Canada

Thu 1/16:50 pmDCA - CMB

2 stops27h 00mAir Canada

Deal found 12/11

$1,814

Fri 12/2612:35 amCMB - DCA

2 stops42h 50mMultiple Airlines

Thu 1/19:40 amDCA - CMB

2 stops36h 10mMultiple Airlines

Deal found 12/11

$1,901

Sat 12/278:15 pmCMB - DCA

3 stops35h 14mEmirates

Thu 1/112:45 pmDCA - CMB

2 stops33h 05mEmirates

Deal found 12/11

$5,100

Sun 12/284:00 pmCMB - DCA

2 stops41h 16mMultiple Airlines

Thu 1/16:15 amDCA - CMB

2 stops22h 15mMultiple Airlines

Deal found 12/11

$1,970

Sat 1/1011:15 amCMB - DCA

2 stops42h 10mQatar Airways

Sat 1/174:39 pmDCA - CMB

2 stops23h 36mQatar Airways

Deal found 12/11

$2,223

Tue 1/1312:25 amCMB - DCA

2 stops32h 40mAir Canada

Sun 4/58:40 pmDCA - CMB

2 stops30h 35mAir Canada

Deal found 12/11

$1,420

One-way flights from Colombo to Reagan-National
Search for one-way flight options from Colombo to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Fri 2/1312:35 amCMB - DCA

3 stops31h 56mMultiple Airlines

Deal found 12/10

$828

Fri 2/134:15 amCMB - DCA

2 stops25h 13mAmerican Airlines

Deal found 12/10

$1,041

Fri 2/2011:15 amCMB - DCA

2 stops46h 14mQatar Airways

Deal found 12/10

$1,082

Sat 1/245:05 pmCMB - DCA

2 stops29h 49mMultiple Airlines

Deal found 12/10

$1,105

Fri 1/235:05 pmCMB - DCA

2 stops34h 01mMultiple Airlines

Deal found 12/10

$1,143

Fri 2/208:15 pmCMB - DCA

3 stops35h 14mEmirates

Deal found 12/10

$1,405

Fri 1/2311:15 amCMB - DCA

3 stops44h 15mEmirates

Deal found 12/10

$1,476

Find flight deals from Colombo to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,218 (Air Canada)
One-way from	$828 (Kiwi.com)
Popular in	January
Cheapest in	March

Provider with most accurate pricing for Colombo Bandaranaike Intl-Washington, D.C. Reagan-National flight deals.

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Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Washington, D.C. Reagan-National flights.

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From Colombo Bandaranaike Intl to Washington, D.C. Reagan-National

Search Deals

One-way flight from Colombo Bandaranaike Intl to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($21 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average RT price).

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Thu 4/2

1:10 pm-7:53 pm

2 stops40h 13m

Washington, D.C. Reagan-National

Mon 4/6

12:55 pm-12:45 pm

2 stops38h 20m

$1,218

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 1/13

12:25 am-10:35 pm

2 stops32h 40m

Washington, D.C. Reagan-National

Sun 4/5

8:40 pm-12:45 pm

2 stops30h 35m

$1,420

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 12/26

2:20 am-7:45 pm

2 stops27h 55m

Washington, D.C. Reagan-National

Thu 1/1

6:50 pm-8:20 am

2 stops27h 00m

$1,814

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sun 12/28

4:00 pm-10:46 pm

2 stops41h 16m

Washington, D.C. Reagan-National

Thu 1/1

6:15 am-3:00 pm

2 stops22h 15m

$1,970

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Thu 4/2

10:05 pm-10:48 pm

2 stops34h 13m

Washington, D.C. Reagan-National

Mon 4/6

5:00 pm-6:30 pm

3 stops40h 00m

$2,123

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 1/10

11:15 am-6:55 pm

2 stops42h 10m

Washington, D.C. Reagan-National

Sat 1/17

4:39 pm-2:45 am

2 stops23h 36m

$2,223

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 2/13

12:35 am-10:01 pm

3 stops31h 56m

$828

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 2/13

4:15 am-6:58 pm

2 stops25h 13m

$1,041

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 1/24

5:05 pm-12:24 pm

2 stops29h 49m

$1,105

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 1/23

5:05 pm-4:36 pm

2 stops34h 01m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 13 results

Compare providers for flights from Colombo to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colombo to Reagan-National in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colombo Bandaranaike Intl Airport-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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 40h 13m. Air Canada provides one of the quickest options available for as low as $1,218. 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.

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$828+ Cheap flights from Bandaranaike Intl (CMB) to Reagan-National (DCA)

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colombo to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colombo to Reagan-National

Cheapest flights from Colombo to Reagan-NationalExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Colombo to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Cheapflights Fare Finder

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.

Compare providers for flights from Colombo to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colombo to Reagan-National in December.

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.

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?

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

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

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

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

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Alternative routes for Colombo to Reagan-National

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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 December 12, 2025.