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$432+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CMB
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
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 June 9, 2026.

This oojo deal was found by Cheapflights users on 6/7. 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.
Sun 8/163:10 pm
IAD
-
CMB
1 stop31h 55m
Etihad Airways
Fri 9/49:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$979
This oojo deal was found by Cheapflights users on 6/7. 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.
Thu 8/273:10 pm
IAD
-
CMB
1 stop38h 15m
Etihad Airways
Wed 9/239:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$981
This Indian Eagle deal was found by Cheapflights users on 6/4. 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.
Thu 10/153:10 pm
IAD
-
CMB
1 stop38h 15m
Etihad Airways
Mon 10/194:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 6/4$992
This deal was found by Cheapflights users on 6/7. 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.
Sat 8/223:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sun 10/189:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$1,001
This deal was found by Cheapflights users on 6/7. 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.
Sat 8/223:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sat 10/179:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$1,003
This oojo deal was found by Cheapflights users on 6/8. 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.
Sun 11/18:05 pm
IAD
-
CMB
1 stop20h 10m
Qatar Airways
Fri 11/137:30 pm
CMB
-
IAD
1 stop30h 55m
Qatar Airways
Deal found 6/8$1,004
This FlightHub deal was found by Cheapflights users on 6/6. 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.
Thu 9/103:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Wed 9/309:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/6$1,005
This oojo deal was found by Cheapflights users on 6/7. 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 11/108:05 pm
IAD
-
CMB
1 stop20h 10m
Qatar Airways
Mon 12/73:25 am
CMB
-
IAD
1 stop23h 00m
Qatar Airways
Deal found 6/7$1,006
This deal was found by Cheapflights users on 6/7. 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.
Tue 8/189:45 pm
IAD
-
CMB
1 stop22h 05m
Turkish Airlines
Tue 10/136:50 am
CMB
-
IAD
1 stop22h 30m
Turkish Airlines
Deal found 6/7$1,007
This FlightHub deal was found by Cheapflights users on 6/6. 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.
Fri 9/113:10 pm
IAD
-
CMB
1 stop26h 20m
Etihad Airways
Thu 10/14:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 6/6$1,015
This Etihad Airways deal was found by Cheapflights users on 6/6. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:10 pm
IAD
-
CMB
1 stop26h 20m
Etihad Airways
Wed 9/304:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 6/6$1,016
This Etihad Airways deal was found by Cheapflights users on 6/4. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Mon 9/149:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/4$1,017

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 June 9, 2026.

Round-trip from

$979
(oojo)

One-way from

$432
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,431
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. 5% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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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 June 9, 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

Thu 9/10

3:10 pm-3:00 am

1 stop26h 20m

Colombo Bandaranaike Intl

Mon 9/14

9:50 pm-9:45 am

1 stop21h 25m

$1,017

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 9/1

3:10 pm-8:35 pm

1 stop19h 55m

Colombo Bandaranaike Intl

Thu 11/5

4:00 am-9:05 am

1 stop39h 35m

$1,057

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 11/10

1:30 pm-7:45 am

1 stop31h 45m

Colombo Bandaranaike Intl

Tue 12/8

9:15 am-11:45 am

1 stop37h 00m

$1,083

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 11/1

9:00 am-2:50 am

2 stops31h 20m

Colombo Bandaranaike Intl

Fri 11/13

4:30 pm-8:43 pm

2 stops38h 43m

$1,088

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 11/10

2:00 pm-9:45 am

2 stops57h 15m

Colombo Bandaranaike Intl

Tue 12/8

4:55 pm-6:57 pm

2 stops36h 32m

$1,111

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 9/10

9:00 pm-9:00 am

1 stop26h 30m

Colombo Bandaranaike Intl

Mon 9/14

1:30 pm-8:45 am

2 stops28h 45m

$1,246

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 7/21

1:25 pm-8:35 am

2 stops33h 40m

Colombo Bandaranaike Intl

Fri 8/7

4:10 am-7:56 pm

2 stops25h 16m

$1,277

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Tue 8/4

11:00 am-8:35 pm

2 stops24h 05m

Colombo Bandaranaike Intl

Fri 8/28

4:20 pm-7:56 pm

2 stops37h 06m

$1,288

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 6/22

3:10 pm-8:35 am

1 stop31h 55m

Colombo Bandaranaike Intl

Mon 8/31

10:00 am-9:45 am

1 stop33h 15m

$1,303

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 6/20

3:10 pm-8:35 am

1 stop31h 55m

Colombo Bandaranaike Intl

Tue 7/14

9:50 pm-9:45 am

1 stop21h 25m

$1,343

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $948). 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.

How far ahead should I book a flight from Washington, D.C. to Sri Lanka?

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sri Lanka. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 9, 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
3,727 reviews

Boarding

7.5

Entertainment

7.3

Food

7.3

Comfort

7.3

Overall

7.4

Crew

7.9

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
3,727 reviews
Qatar Airways
7.4
Good
3,727 reviews

Boarding

7.5

Entertainment

7.3

Food

7.3

Comfort

7.3

Overall

7.4

Crew

7.9

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
4,410 reviews
Qatar Airways
7.4
Good
3,727 reviews

Boarding

7.5

Entertainment

7.3

Food

7.3

Comfort

7.3

Overall

7.4

Crew

7.9

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
1,450 reviews
Qatar Airways
7.4
Good
3,727 reviews

Boarding

7.5

Entertainment

7.3

Food

7.3

Comfort

7.3

Overall

7.4

Crew

7.9

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
11,645 reviews
Qatar Airways
7.4
Good
3,727 reviews

Boarding

7.5

Entertainment

7.3

Food

7.3

Comfort

7.3

Overall

7.4

Crew

7.9

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
7.1
Good
2,979 reviews
Qatar Airways
7.4
Good
3,727 reviews

Boarding

7.5

Entertainment

7.3

Food

7.3

Comfort

7.3

Overall

7.4

Crew

7.9

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, Turkish Airlines, and Gulf Air fly from Washington, D.C. to Sri Lanka in about 26h 20m. The time it takes to get you to your destination can typically vary by up to 30h 55m. 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 Qatar Airways and American Airlines, with prices starting from $459 and $476, 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 $948). 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

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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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$816Average$1,147FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$855Average$1,178FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$882Average$1,335FlexibilityNo cancel feeOn-time77%
Alaska AirlinesCheapest$954Average$985FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$985Average$2,403FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$1,167Average$1,299FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,361Average$1,714FlexibilityNo cancel feeOn-time75%

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