In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 2.4 in.

If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Colombo Bandaranaike Intl 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 Washington, D.C. Reagan-National Airport-Colombo Bandaranaike Intl 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 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.

$557+ Flights from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport

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Cheap 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 December 12, 2025.

Mon 12/294:59 pmDCA - CMB

2 stops22h 26mQatar Airways

Mon 4/207:45 pmCMB - DCA

2 stops32h 34mQatar Airways

Deal found 12/11

$1,362

Tue 12/304:59 pmDCA - CMB

2 stops23h 16mQatar Airways

Fri 1/3010:15 amCMB - DCA

2 stops41h 05mQatar Airways

Deal found 12/9

$1,547

Wed 12/314:10 pmDCA - CMB

2 stops33h 50mMultiple Airlines

Fri 1/2312:50 pmCMB - DCA

2 stops41h 25mMultiple Airlines

Deal found 12/10

$1,621

Wed 12/312:54 pmDCA - CMB

2 stops25h 21mQatar Airways

Wed 1/2111:15 amCMB - DCA

2 stops40h 14mQatar Airways

Deal found 12/11

$1,707

Tue 12/304:59 pmDCA - CMB

2 stops22h 26mQatar Airways

Mon 1/193:25 amCMB - DCA

2 stops28h 35mQatar Airways

Deal found 12/11

$1,810

Wed 12/3112:45 pmDCA - CMB

3 stops43h 10mEmirates

Wed 1/218:15 pmCMB - DCA

3 stops35h 14mEmirates

Deal found 12/10

$1,837

Tue 12/3012:45 pmDCA - CMB

3 stops43h 10mEmirates

Fri 1/305:20 pmCMB - DCA

2 stops41h 09mEmirates

Deal found 12/9

$1,852

Thu 12/2511:05 amDCA - CMB

2 stops38h 55mAir Canada

Tue 12/3012:50 pmCMB - DCA

2 stops54h 35mAir Canada

Deal found 12/10

$1,858

Sat 12/274:59 pmDCA - CMB

2 stops22h 26mQatar Airways

Mon 12/293:25 amCMB - DCA

2 stops25h 50mQatar Airways

Deal found 12/10

$1,967

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

Fri 5/16:00 amDCA - CMB

2 stops45h 15mMultiple Airlines

Thu 6/43:25 amCMB - DCA

2 stops28h 00mMultiple Airlines

Deal found 12/11

$992

Tue 1/206:00 amDCA - CMB

2 stops36h 55mAir Canada

Sat 1/242:20 amCMB - DCA

2 stops30h 08mAir Canada

Deal found 12/11

$1,002

Tue 1/275:30 pmDCA - CMB

2 stops21h 55mQatar Airways

Fri 3/134:15 amCMB - DCA

2 stops24h 03mQatar Airways

Deal found 12/11

$1,172

Mon 3/26:35 pmDCA - CMB

2 stops42h 25mCathay Pacific

Thu 3/512:45 amCMB - DCA

2 stops28h 44mCathay Pacific

Deal found 12/11

$1,295

Mon 1/124:10 pmDCA - CMB

2 stops33h 50mMultiple Airlines

Mon 1/2612:50 pmCMB - DCA

2 stops43h 38mMultiple Airlines

Deal found 12/11

$1,003

Wed 3/412:55 pmDCA - CMB

2 stops37h 05mAir Canada

Sat 3/73:20 amCMB - DCA

2 stops42h 29mAir Canada

Deal found 12/11

$1,007

Fri 1/1612:55 pmDCA - CMB

2 stops37h 05mAir Canada

Sat 1/2412:50 pmCMB - DCA

2 stops57h 59mAir Canada

Deal found 12/11

$1,007

Sun 5/176:00 amDCA - CMB

2 stops45h 15mAir Canada

Thu 5/281:10 pmCMB - DCA

2 stops54h 39mAir Canada

Deal found 12/11

$1,013

Sat 2/289:39 amDCA - CMB

2 stops51h 21mCathay Pacific

Wed 3/412:45 amCMB - DCA

2 stops28h 44mCathay Pacific

Deal found 12/11

$1,295

Wed 1/76:56 pmDCA - CMB

2 stops42h 04mMultiple Airlines

Tue 6/912:50 amCMB - DCA

2 stops30h 40mMultiple Airlines

Deal found 12/10

$1,218

Mon 1/126:50 pmDCA - CMB

2 stops31h 10mAir Canada

Tue 1/2712:50 pmCMB - DCA

2 stops41h 25mAir Canada

Deal found 12/11

$1,020

Sun 3/19:20 amDCA - CMB

2 stops51h 40mCathay Pacific

Thu 3/512:45 amCMB - DCA

2 stops28h 44mCathay Pacific

Deal found 12/11

$1,345

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

Sun 1/118:40 pmDCA - CMB

2 stops53h 20mAir Canada

Mon 1/2612:50 pmCMB - DCA

2 stops43h 38mAir Canada

Deal found 12/10

$1,071

Mon 1/124:10 pmDCA - CMB

2 stops33h 50mMultiple Airlines

Mon 1/2612:50 pmCMB - DCA

2 stops43h 38mMultiple Airlines

Deal found 12/11

$1,003

Mon 1/126:50 pmDCA - CMB

2 stops31h 10mAir Canada

Tue 1/2712:50 pmCMB - DCA

2 stops41h 25mAir Canada

Deal found 12/11

$1,020

Fri 1/1612:55 pmDCA - CMB

2 stops37h 05mAir Canada

Thu 1/2212:25 amCMB - DCA

2 stops32h 03mAir Canada

Deal found 12/11

$999

Fri 1/1612:55 pmDCA - CMB

2 stops37h 05mAir Canada

Sat 1/2412:50 pmCMB - DCA

2 stops57h 59mAir Canada

Deal found 12/11

$1,007

Fri 1/1612:55 pmDCA - CMB

2 stops29h 00mAir Canada

Sat 1/242:20 amCMB - DCA

2 stops30h 08mAir Canada

Deal found 12/11

$1,010

Sat 1/1711:05 amDCA - CMB

2 stops31h 50mAir Canada

Mon 1/2612:50 pmCMB - DCA

2 stops43h 38mAir Canada

Deal found 12/11

$1,002

Sat 1/174:15 pmDCA - CMB

2 stops26h 40mAir Canada

Fri 1/2312:50 pmCMB - DCA

2 stops44h 15mAir Canada

Deal found 12/11

$1,005

Sat 1/246:00 amDCA - CMB

2 stops38h 50mAir India

Sun 3/14:00 pmCMB - DCA

2 stops41h 29mAir India

Deal found 12/11

$954

Sat 1/244:15 pmDCA - CMB

2 stops25h 40mAir Canada

Fri 1/302:20 amCMB - DCA

2 stops30h 08mAir Canada

Deal found 12/10

$1,013

Sun 1/256:00 amDCA - CMB

2 stops38h 50mAir India

Wed 3/119:40 amCMB - DCA

2 stops46h 49mAir India

Deal found 12/9

$963

Fri 1/304:15 pmDCA - CMB

2 stops25h 40mMultiple Airlines

Thu 2/512:25 amCMB - DCA

2 stops32h 03mMultiple Airlines

Deal found 12/11

$992

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

Mon 1/266:00 amDCA - CMB

2 stops38h 50mAir India

Deal found 12/10

$557

Mon 1/125:30 pmDCA - CMB

2 stops21h 55mQatar Airways

Deal found 12/11

$586

Mon 1/2611:55 amDCA - CMB

2 stops28h 20mQatar Airways

Deal found 12/10

$592

Sun 1/113:30 pmDCA - CMB

2 stops24h 45mQatar Airways

Deal found 12/10

$601

Sat 1/109:45 amDCA - CMB

2 stops51h 15mCathay Pacific

Deal found 12/9

$712

Wed 1/286:56 pmDCA - CMB

3 stops49h 54mMultiple Airlines

Deal found 12/10

$761

Mon 1/126:00 amDCA - CMB

2 stops22h 30mAir India

Deal found 12/10

$792

Sat 12/274:59 pmDCA - CMB

2 stops22h 26mQatar Airways

Deal found 12/10

$949

Sun 12/289:36 amDCA - CMB

2 stops51h 24mCathay Pacific

Deal found 12/11

$1,037

Fri 12/264:30 pmDCA - CMB

2 stops22h 55mQatar Airways

Deal found 12/9

$1,091

Sun 1/253:30 pmDCA - CMB

3 stops32h 15mEmirates

Deal found 12/9

$1,130

Mon 1/1212:40 pmDCA - CMB

3 stops43h 15mEmirates

Deal found 12/11

$1,133

Find flight deals from Reagan-National to Colombo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$897 (oojo)
One-way from	$557 (oojo)
Popular in	December
Cheapest in	September
Average price	$1,833

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

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

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($175 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($68 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Fri 5/1

6:00 am-12:45 pm

2 stops45h 15m

Colombo Bandaranaike Intl

Thu 6/4

3:25 am-9:55 pm

2 stops28h 00m

$992

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 1/20

6:00 am-5:25 am

2 stops36h 55m

Colombo Bandaranaike Intl

Sat 1/24

2:20 am-9:58 pm

2 stops30h 08m

$1,002

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 1/12

4:10 pm-12:30 pm

2 stops33h 50m

Colombo Bandaranaike Intl

Mon 1/26

12:50 pm-9:58 pm

2 stops43h 38m

$1,003

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 3/4

12:55 pm-12:30 pm

2 stops37h 05m

Colombo Bandaranaike Intl

Sat 3/7

3:20 am-11:19 am

2 stops42h 29m

$1,007

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Fri 1/16

12:55 pm-12:30 pm

2 stops37h 05m

Colombo Bandaranaike Intl

Sat 1/24

12:50 pm-12:19 pm

2 stops57h 59m

$1,007

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 5/17

6:00 am-12:45 pm

2 stops45h 15m

Colombo Bandaranaike Intl

Thu 5/28

1:10 pm-10:19 am

2 stops54h 39m

$1,013

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 1/12

6:50 pm-12:30 pm

2 stops31h 10m

Colombo Bandaranaike Intl

Tue 1/27

12:50 pm-7:45 pm

2 stops41h 25m

$1,020

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 1/27

5:30 pm-1:55 am

2 stops21h 55m

Colombo Bandaranaike Intl

Fri 3/13

4:15 am-6:48 pm

2 stops24h 03m

$1,172

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 1/7

6:56 pm-11:30 pm

2 stops42h 04m

Colombo Bandaranaike Intl

Tue 6/9

12:50 am-10:00 pm

2 stops30h 40m

$1,218

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 3/2

6:35 pm-11:30 pm

2 stops42h 25m

Colombo Bandaranaike Intl

Thu 3/5

12:45 am-6:59 pm

2 stops28h 44m

$1,295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 23 results

Compare providers for flights from Reagan-National to Colombo

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars

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

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Colombo Bandaranaike Intl Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

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 36h 55m. Fly via Air Canada to get the fastest option. The distance between Washington, D.C. Reagan-National Airport and Colombo Bandaranaike Intl Airport is about 8923 mi.
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.

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$557+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Colombo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Colombo

Cheapest flights from Reagan-National to ColomboExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Reagan-National to Colombo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

Compare providers for flights from Reagan-National to Colombo

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 Reagan-National to Colombo in December.

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.

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?

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?

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

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

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

Traveling to a place near Colombo Bandaranaike Intl Airport?

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Alternative routes for Reagan-National to Colombo

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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 December 12, 2025.