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$436+ Cheap flights from Washington, D.C. (WAS) 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CMB
May 22 — May 291
Fri 5/22
Fri 5/29
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Sri Lanka

Cheapest flights from Washington, D.C. to Sri Lanka
Explore the most affordable flight options available from Washington, D.C. to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.

This Justfly.com deal was found by Cheapflights users on 4/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:10 pm
IAD
-
CMB
1 stop31h 55m
Etihad Airways
Tue 6/29:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/19$863
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Mon 6/110:00 am
CMB
-
IAD
1 stop33h 15m
Etihad Airways
Deal found 4/19$866
This FlightHub deal was found by Cheapflights users on 4/20. 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.
Tue 5/53:10 pm
IAD
-
CMB
1 stop31h 55m
Etihad Airways
Thu 7/164:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 4/20$868
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sat 6/134:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 4/17$869
This deal was found by Cheapflights users on 4/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Thu 5/289:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/20$876
This deal was found by Cheapflights users on 4/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Thu 5/289:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/20$877
This deal was found by Cheapflights users on 4/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Tue 6/29:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/20$878
This KAYAK deal was found by Cheapflights users on 4/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:10 pm
IAD
-
CMB
1 stop26h 20m
Etihad Airways
Wed 7/154:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 4/20$881
This oojo deal was found by Cheapflights users on 4/20. 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 5/63:10 pm
IAD
-
CMB
1 stop26h 20m
Etihad Airways
Sun 7/1910:00 am
CMB
-
IAD
1 stop33h 15m
Etihad Airways
Deal found 4/20$891
This CrystalTravel deal was found by Cheapflights users on 4/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sat 5/164:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 4/20$892
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Tue 5/199:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/17$904
This American Airlines deal was found by Cheapflights users on 4/18. 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.
Mon 5/112:54 pm
DCA
-
CMB
2 stops25h 56m
Multiple Airlines
Mon 5/184:05 am
CMB
-
DCA
2 stops28h 24m
Multiple Airlines
Deal found 4/18$963

Find flight deals from Washington, D.C. to Sri Lanka

Keep the following information in mind while searching for Washington, D.C. to Sri Lanka flight deals. Data was last updated April 22, 2026.

Round-trip from

$863
(Justfly.com)

One-way from

$436
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$965
From Washington, D.C. (WAS) to Sri Lanka
Search Deals
One-way flight from Washington, D.C. (WAS) to Sri Lanka
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 April 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Sri Lanka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 5/13

3:10 pm-8:35 pm

1 stop19h 55m

Colombo Bandaranaike Intl

Sun 6/14

4:20 pm-9:45 am

1 stop26h 55m

$919
Quickest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 9/24

3:10 pm-8:35 pm

1 stop19h 55m

Colombo Bandaranaike Intl

Mon 9/28

9:50 pm-9:45 am

1 stop21h 25m

$936

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 5/10

9:00 pm-2:20 am

1 stop19h 50m

Colombo Bandaranaike Intl

Mon 5/18

6:55 pm-6:20 pm

2 stops56h 55m

$1,193

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 5/10

9:00 pm-2:20 am

1 stop19h 50m

Colombo Bandaranaike Intl

Tue 5/19

7:20 am-6:20 pm

2 stops44h 30m

$1,193

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 5/13

9:00 pm-2:35 am

1 stop20h 05m

Colombo Bandaranaike Intl

Tue 5/19

1:30 pm-6:20 pm

2 stops38h 20m

$1,250

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 7/11

3:10 pm-8:35 am

1 stop31h 55m

Colombo Bandaranaike Intl

Sun 7/26

9:50 pm-9:45 am

1 stop21h 25m

$1,315

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 5/14

9:00 pm-2:35 am

1 stop20h 05m

Colombo Bandaranaike Intl

Sat 5/16

8:00 pm-6:20 pm

1 stop31h 50m

$1,322

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 5/12

5:31 pm-9:50 am

2 stops30h 49m

Colombo Bandaranaike Intl

Mon 5/18

8:00 pm-11:28 pm

2 stops36h 58m

$1,337

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 5/11

4:20 pm-12:45 pm

2 stops34h 55m

Colombo Bandaranaike Intl

Mon 5/18

1:10 pm-3:39 pm

2 stops35h 59m

$1,341

BaltimoreColombo

BWI - CMB

BWICMB

Baltimore/Washington

Thu 10/1

11:25 am-2:05 am

2 stops29h 10m

Colombo Bandaranaike Intl

Mon 10/5

8:20 pm-11:31 pm

2 stops36h 41m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 56 resultsSorted by cheapest first
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6

Best time to book a flight from Washington, D.C. to Sri Lanka

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

What is the cheapest month to book a flight from Washington, D.C. to Sri Lanka?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Sri Lanka (average of $575). Flying from Washington, D.C. to Sri Lanka in June is currently the most expensive (average of $920). 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.

Reviews of airlines servicing Sri Lanka

Get insights into the airlines that provide service to Sri Lanka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sri Lanka. Reviews last updated April 22, 2026.
Get a feel of what it's like to fly with Qatar Airways,Turkish Airlines, andEtihad Airways from Washington, D.C. to Sri Lanka by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Crew

7.9

Comfort

7.3

Entertainment

7.3

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,730 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Crew

7.9

Comfort

7.3

Entertainment

7.3

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Turkish Airlines
7.4
Good
4,325 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Crew

7.9

Comfort

7.3

Entertainment

7.3

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Etihad Airways
7.3
Good
1,433 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Crew

7.9

Comfort

7.3

Entertainment

7.3

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
JetBlue
7.2
Good
2,951 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Crew

7.9

Comfort

7.3

Entertainment

7.3

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
American Airlines
7.1
Good
11,655 reviews
Qatar Airways
7.4
Good
3,730 reviews

Boarding

7.5

Crew

7.9

Comfort

7.3

Entertainment

7.3

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Sri Lanka?

    Airlines like Etihad Airways, Qatar Airways, and Air Canada fly from Washington, D.C. to Sri Lanka in about 19h 50m. The time it takes to get you to your destination can typically vary by up to 15h 05m. Washington, D.C. and Sri Lanka are separated by a distance of 8928 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Sri Lanka one-way?

    $416 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on American Airlines and Qatar Airways, with prices starting from $455 and $459, respectively.

  • What are the most popular routes from Washington, D.C. to Sri Lanka?

    Most travelers choose Washington, D.C. Dulles Intl - Colombo Bandaranaike Intl, Washington, D.C. Reagan-National - Colombo Bandaranaike Intl or Baltimore/Washington - Colombo Bandaranaike Intl when deciding on the best route from Washington, D.C. to Sri Lanka.

  • Can I find deals for flights from Washington, D.C. to Sri Lanka that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Sri Lanka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sri Lanka?

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

  • Can I find deals for business class flights from Washington, D.C. to Sri Lanka?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Sri Lanka (average of $575). Flying from Washington, D.C. to Sri Lanka in June is currently the most expensive (average of $920). 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

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.

Top 7 airlines flying from Washington, D.C. to Sri Lanka

Discover the top 7 airlines that operate flights from Washington, D.C. to Sri Lanka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$820Average$1,112FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$867Average$1,151FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$882Average$1,266FlexibilityNo cancel feeOn-time77%
Alaska AirlinesCheapest$954Average$985FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$985Average$2,447FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$1,167Average$1,299FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,361Average$1,694FlexibilityNo cancel feeOn-time75%

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