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.

$857+ Flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

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 4, 2025.

Tue 4/712:25 amCMB - DCA

2 stops43h 24mAir Canada

Mon 4/1312:55 pmDCA - CMB

2 stops38h 20mAir Canada

Deal found 12/2

$1,211

Wed 4/811:45 amCMB - DCA

2 stops42h 26mMultiple Airlines

Mon 4/139:30 amDCA - CMB

3 stops39h 45mMultiple Airlines

Deal found 12/2

$2,308

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 4, 2025.

Wed 12/103:25 amCMB - DCA

2 stops25h 09mMultiple Airlines

Deal found 12/4

$857

Wed 12/104:15 amCMB - DCA

2 stops26h 07mQatar Airways

Deal found 12/1

$859

Thu 12/118:15 pmCMB - DCA

3 stops35h 10mEmirates

Deal found 12/1

$1,238

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 (FlightHub)
One-way from	$857 (FlightHub)
Popular in	January
Cheapest in	March
Average price	$1,587

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

Search Deals

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

Search Deals

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. 4% potential increase in price ($61 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($52 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 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

Tue 4/7

12:25 am-10:19 am

2 stops43h 24m

Washington, D.C. Reagan-National

Mon 4/13

12:55 pm-12:45 pm

2 stops38h 20m

$1,211

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Wed 4/8

11:45 am-8:41 pm

2 stops42h 26m

Washington, D.C. Reagan-National

Mon 4/13

9:30 am-10:45 am

3 stops39h 45m

$2,308

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Wed 12/10

3:25 am-6:04 pm

2 stops25h 09m

$857

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Wed 12/10

4:15 am-7:52 pm

2 stops26h 07m

$859

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Thu 12/11

8:15 pm-8:55 pm

3 stops35h 10m

$1,238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 43h 24m. Air Canada provides one of the quickest options available for as low as $1,211. 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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

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.

$857+ 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 12/10. 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

Best flights from Colombo to Reagan-NationalDiscover 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 4, 2025.

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 4, 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

Average price

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?

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.

100% Free

Book with Flexibility

Travel Smart

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 4, 2025.