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 LK to DCA?

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Sri Lanka 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.

$858+ Flights from Sri Lanka to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Sri Lanka to Reagan-National

Cheapest flights from Sri Lanka to Reagan-National
Explore the most affordable flight options available from Sri Lanka to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Tue 12/2312:25 amCMB - DCA

2 stops49h 36mAir Canada

Mon 1/56:50 pmDCA - CMB

2 stops27h 00mAir Canada

Deal found 12/23

$5,339

Last-minute flights from Sri Lanka to Reagan-National
Discover last-minute flight deals from Sri Lanka to Reagan-National. Data last updated December 23, 2025 and is based on user searches.

Tue 12/2312:25 amCMB - DCA

2 stops49h 36mAir Canada

Mon 1/56:50 pmDCA - CMB

2 stops27h 00mAir Canada

Deal found 12/23

$5,339

One-way flights from Sri Lanka to Reagan-National
Search for one-way flight options from Sri Lanka to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sun 2/14:15 amCMB - DCA

2 stops25h 04mQatar Airways

Deal found 12/22

$858

Sun 2/111:15 amCMB - DCA

2 stops46h 14mQatar Airways

Deal found 12/21

$917

Sun 3/17:30 pmCMB - DCA

2 stops33h 58mQatar Airways

Deal found 12/21

$925

Sat 2/2810:15 amCMB - DCA

2 stops43h 12mQatar Airways

Deal found 12/21

$1,018

Sun 2/18:15 pmCMB - DCA

3 stops35h 14mEmirates

Deal found 12/21

$1,146

Sat 1/318:20 amCMB - DCA

2 stops49h 09mMultiple Airlines

Deal found 12/21

$1,147

Sat 1/314:00 pmCMB - DCA

2 stops41h 29mAir India

Deal found 12/22

$1,178

Mon 1/54:00 pmCMB - DCA

2 stops41h 29mAir India

Deal found 12/21

$1,474

Sat 2/288:15 pmCMB - DCA

3 stops35h 14mEmirates

Deal found 12/21

$1,654

Tue 4/144:10 amCMB - DCA

3 stops45h 38mMultiple Airlines

Deal found 12/22

$2,564

Mon 3/168:05 amCMB - DCA

3 stops43h 24mMultiple Airlines

Deal found 12/22

$2,588

Mon 1/58:15 pmCMB - DCA

3 stops35h 14mEmirates

Deal found 12/21

$2,617

Find flight deals from Sri Lanka to Reagan-National

Popular in	January
Cheapest in	March

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).

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Use the filters below to find and compare flights from Sri Lanka 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

Sun 2/1

4:15 am-6:49 pm

2 stops25h 04m

$858

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sun 2/1

11:15 am-10:59 pm

2 stops46h 14m

$917

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sun 3/1

7:30 pm-6:58 pm

2 stops33h 58m

$925

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sun 2/1

8:15 pm-8:59 pm

3 stops35h 14m

$1,146

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Mon 2/2

8:15 pm-8:59 pm

3 stops35h 14m

$1,146

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 1/31

8:20 am-10:59 pm

2 stops49h 09m

$1,147

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 1/31

4:00 pm-10:59 pm

2 stops41h 29m

$1,178

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Mon 1/5

4:00 pm-10:59 pm

2 stops41h 29m

$1,474

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 4/14

4:10 am-4:18 pm

3 stops45h 38m

$2,564

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Mon 3/16

8:05 am-5:59 pm

3 stops43h 24m

$2,588

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 11 results

Best time to book a flight from Sri Lanka to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Sri Lanka 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 Sri Lanka to Washington, D.C. Reagan-National Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Sri Lanka to Reagan-National that include hotel bookings?
Yes. In addition to deals on Sri Lanka to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sri Lanka to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sri Lanka to Reagan-National.
Can I find deals for business class flights from Sri Lanka to Reagan-National?
Yes. Cheapflights offers flight deals from Sri Lanka 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.

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

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$858+ Cheap flights from Sri Lanka 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sri Lanka 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 Sri Lanka to Reagan-National

Cheapest flights from Sri Lanka to Reagan-NationalExplore the most affordable flight options available from Sri Lanka to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Sri Lanka to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Sri Lanka to Reagan-National

Keep the following information in mind while searching for Sri Lanka to Reagan-National flight deals. Data was last updated December 23, 2025.

Popular in

Cheapest in

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sri Lanka to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Sri Lanka to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Sri Lanka with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sri Lanka to Washington, D.C. Reagan-National Airport

Related info for your journey

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

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

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

Can I find deals for business class flights from Sri Lanka 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 Sri Lanka to Reagan-National

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Cheapest flights from Sri Lanka to Reagan-National
Explore the most affordable flight options available from Sri Lanka to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.