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$768+ Cheap flights from Reagan-National (DCA) to Sri Lanka

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CMB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Reagan-National to Sri Lanka

Keep the following information in mind while searching for Reagan-National to Sri Lanka flight deals. Data was last updated September 17, 2025.

Round-trip from

$955
(American Airlines)

One-way from

$768
(oojo)

Popular in

December

Cheapest in

September

Average price

$855
From Washington, D.C. Reagan-National to Sri Lanka
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One-way flight from Washington, D.C. Reagan-National to Sri Lanka
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Highest demand for flights based on searches. 16% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Reagan-National to Sri Lanka

Cheapest flights from Reagan-National to Sri Lanka
Explore the most affordable flight options available from Reagan-National to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:35 pmDCA - CMB
2 stops26h 40mAmerican Airlines
Thu 10/304:15 amCMB - DCA
2 stops28h 21mAmerican Airlines
Deal found 9/14$955
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Mon 11/173:09 pmDCA - CMB
2 stops25h 06mQatar Airways
Tue 12/163:25 amCMB - DCA
2 stops28h 05mQatar Airways
Deal found 9/15$1,092
This oojo deal was found by Cheapflights users on 9/15. 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.
Wed 10/16:19 amDCA - CMB
2 stops48h 16mAir India
Thu 10/168:20 amCMB - DCA
2 stops48h 06mAir India
Deal found 9/15$1,115
This oojo deal was found by Cheapflights users on 9/16. 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.
Wed 10/226:55 pmDCA - CMB
2 stops22h 40mQatar Airways
Thu 10/303:25 amCMB - DCA
2 stops25h 57mQatar Airways
Deal found 9/16$1,127
This oojo deal was found by Cheapflights users on 9/15. 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 9/236:59 pmDCA - CMB
2 stops28h 31mQatar Airways
Tue 9/303:35 amCMB - DCA
2 stops26h 50mQatar Airways
Deal found 9/15$1,129
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Thu 9/256:45 amDCA - CMB
2 stops24h 35mQatar Airways
Fri 10/34:35 amCMB - DCA
2 stops26h 55mQatar Airways
Deal found 9/17$1,152
This oojo deal was found by Cheapflights users on 9/16. 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.
Wed 9/243:15 pmDCA - CMB
2 stops25h 20mQatar Airways
Wed 10/13:35 amCMB - DCA
2 stops27h 55mQatar Airways
Deal found 9/16$1,157
This oojo deal was found by Cheapflights users on 9/15. 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.
Wed 9/243:15 pmDCA - CMB
2 stops25h 20mQatar Airways
Tue 10/73:35 amCMB - DCA
2 stops28h 51mQatar Airways
Deal found 9/15$1,162
This oojo deal was found by Cheapflights users on 9/15. 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 10/283:10 pmDCA - CMB
2 stops25h 15mQatar Airways
Wed 12/311:15 amCMB - DCA
2 stops42h 10mQatar Airways
Deal found 9/15$1,164
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 10/315:59 pmDCA - CMB
2 stops23h 16mQatar Airways
Mon 12/157:30 pmCMB - DCA
2 stops33h 04mQatar Airways
Deal found 9/15$1,166
This oojo deal was found by Cheapflights users on 9/16. 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.
Sat 9/203:15 pmDCA - CMB
2 stops25h 20mQatar Airways
Mon 9/228:20 pmCMB - DCA
2 stops32h 10mQatar Airways
Deal found 9/16$1,178

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Sri Lanka 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 September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sri Lanka that are best for you.

Fly from

Reagan-National

Fly to

Sri Lanka

Route

Depart

Return

Price

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 10/26

2:35 pm-1:55 am

2 stops25h 50m

Colombo Bandaranaike Intl

Wed 10/29

3:25 am-11:59 pm

2 stops30h 04m

$955

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 11/18

5:22 pm-1:55 am

2 stops22h 03m

Colombo Bandaranaike Intl

Sun 11/23

3:25 am-6:00 pm

2 stops25h 05m

$1,092

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 11/17

3:09 pm-1:55 am

2 stops24h 16m

Colombo Bandaranaike Intl

Wed 12/17

8:50 pm-5:58 pm

2 stops31h 38m

$1,092

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 1/7

3:59 pm-1:55 am

2 stops23h 26m

Colombo Bandaranaike Intl

Wed 1/21

8:50 pm-11:35 am

2 stops25h 15m

$1,095

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 10/22

6:55 pm-2:05 am

2 stops21h 40m

Colombo Bandaranaike Intl

Thu 10/30

3:25 am-7:52 pm

2 stops25h 57m

$1,129

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 11/9

5:45 pm-1:55 am

2 stops21h 40m

Colombo Bandaranaike Intl

Thu 11/13

3:25 am-6:04 pm

2 stops25h 09m

$1,180

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Thu 2/12

6:05 am-4:30 pm

2 stops23h 55m

Colombo Bandaranaike Intl

Wed 2/18

4:15 am-5:59 pm

2 stops24h 14m

$1,195

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sat 10/11

7:06 pm-2:05 am

2 stops21h 29m

Colombo Bandaranaike Intl

Tue 10/28

7:30 pm-9:03 pm

2 stops35h 03m

$1,212

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Thu 1/29

5:25 pm-1:55 am

2 stops22h 00m

Colombo Bandaranaike Intl

Sat 2/14

4:15 am-7:15 pm

2 stops25h 30m

$1,218

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 9/28

5:30 pm-8:40 am

2 stops53h 40m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
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Best time to book a flight from Reagan-National to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka 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 Sri Lanka

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

Find hourly flight availability from Reagan-National to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sri Lanka. 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 Sri Lanka?

    A quick flight from Washington, D.C. Reagan-National Airport to Sri Lanka can take about 22h 03m. American Airlines provides one of the quickest options available for as low as $1,092. There are 8923 mi between Washington, D.C. Reagan-National Airport and Sri Lanka. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Sri Lanka 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 Washington, D.C. Reagan-National Airport to Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sri Lanka (average of $1,016). Flying from Washington, D.C. Reagan-National Airport to Sri Lanka in December is currently the most expensive (average of $1,731). 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

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Alternative routes for Reagan-National to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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