$594+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Reagan-National to Sri Lanka 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 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 November 6, 2025.
Round-trip from | $1,039 (American Airlines) |
|---|---|
One-way from | $594 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $1,019 |
Find flight deals from Reagan-National to Sri Lanka
Cheapest flights from Reagan-National to Sri LankaExplore 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 November 6, 2025.
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 November 6, 2025.
This American Airlines deal was found by Cheapflights users on 11/6. 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.
This American Airlines deal was found by Cheapflights users on 11/5. 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.
This Indian Eagle deal was found by Cheapflights users on 11/5. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 11/5. 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.
This oojo deal was found by Cheapflights users on 11/6. 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.
This oojo deal was found by Cheapflights users on 11/6. 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.
This oojo deal was found by Cheapflights users on 11/6. 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.
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Cheapflights Fare Finder
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
Fly to
Route
Depart
Return
Price
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Fri 11/28
1:44 pm-2:45 am
2 stops26h 31m
Colombo Bandaranaike Intl
Thu 12/11
7:30 pm-4:04 pm
2 stops31h 04m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Tue 11/18
11:45 am-2:45 am
2 stops28h 30m
Colombo Bandaranaike Intl
Sat 11/22
7:30 pm-4:11 pm
2 stops31h 11m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Mon 11/17
6:24 am-2:45 am
2 stops33h 51m
Colombo Bandaranaike Intl
Wed 12/17
8:50 pm-5:58 pm
2 stops31h 38m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Tue 11/25
6:15 am-7:20 pm
2 stops26h 35m
Colombo Bandaranaike Intl
Tue 2/24
4:15 am-9:00 pm
2 stops27h 15m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Mon 1/12
6:15 am-4:30 pm
2 stops23h 45m
Colombo Bandaranaike Intl
Wed 1/21
3:25 am-6:53 pm
2 stops25h 58m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Sat 1/24
1:59 pm-8:45 am
2 stops32h 16m
Colombo Bandaranaike Intl
Sun 3/1
7:30 pm-5:49 pm
2 stops32h 49m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Tue 1/20
1:34 pm-11:30 pm
2 stops47h 26m
Colombo Bandaranaike Intl
Mon 2/16
12:45 am-8:00 pm
2 stops29h 45m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Wed 1/7
5:30 pm-11:30 pm
2 stops43h 30m
Colombo Bandaranaike Intl
Tue 1/20
12:45 am-8:44 pm
2 stops30h 29m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Wed 1/28
3:30 pm-2:45 am
2 stops24h 45m
Colombo Bandaranaike Intl
Tue 2/24
4:15 am-5:49 pm
2 stops24h 04m
Washington, D.C.Colombo
DCA - CMB
DCACMB
Washington, D.C. Reagan-National
Thu 11/27
12:26 pm-4:30 pm
2 stops41h 34m
Colombo Bandaranaike Intl
Thu 2/26
10:15 am-5:49 pm
2 stops42h 04m
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.
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 November 6, 2025.
It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Sri Lanka 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.