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$398+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CMB
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Cheap 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 October 31, 2025.

Round-trip from

$880
(FlightHub)

One-way from

$398
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$994
From Washington, D.C. (WAS) to Sri Lanka
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One-way flight from Washington, D.C. (WAS) to Sri Lanka
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Highest demand for flights based on searches. 13% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 31, 2025.

This FlightHub deal was found by Cheapflights users on 10/31. 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 11/171:30 pmIAD - CMB
1 stop30h 10mTurkish Airlines
Mon 12/87:40 amCMB - IAD
1 stop22h 10mTurkish Airlines
Deal found 10/31$880
This FlightHub deal was found by Cheapflights users on 10/30. 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 11/248:05 pmIAD - CMB
1 stop20h 10mQatar Airways
Thu 12/44:15 amCMB - IAD
1 stop22h 10mQatar Airways
Deal found 10/30$881
This FlightHub deal was found by Cheapflights users on 10/31. 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 11/181:30 pmIAD - CMB
1 stop37h 20mTurkish Airlines
Wed 12/37:40 amCMB - IAD
1 stop38h 35mTurkish Airlines
Deal found 10/31$886
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:40 amIAD - CMB
1 stop28h 45mQatar Airways
Mon 2/164:15 amCMB - IAD
1 stop22h 10mQatar Airways
Deal found 10/30$887
This FlightHub deal was found by Cheapflights users on 10/29. 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 12/28:05 pmIAD - CMB
1 stop33h 55mQatar Airways
Tue 5/128:20 pmCMB - IAD
1 stop21h 50mQatar Airways
Deal found 10/29$889
This Justfly.com deal was found by Cheapflights users on 10/31. 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.
Mon 12/18:05 pmIAD - CMB
1 stop36h 45mQatar Airways
Mon 12/87:30 pmCMB - IAD
1 stop30h 55mQatar Airways
Deal found 10/31$897
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Sun 11/301:30 pmIAD - CMB
1 stop37h 20mTurkish Airlines
Mon 12/157:40 amCMB - IAD
1 stop22h 10mTurkish Airlines
Deal found 10/30$899
This Etihad Airways deal was found by Cheapflights users on 10/29. 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.
Mon 12/19:10 pmIAD - CMB
1 stop19h 10mEtihad Airways
Mon 12/229:35 pmCMB - IAD
1 stop22h 00mEtihad Airways
Deal found 10/29$906
This FlightHub deal was found by Cheapflights users on 10/29. 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 11/2810:40 amIAD - CMB
1 stop19h 20mQatar Airways
Sat 12/204:15 amCMB - IAD
1 stop22h 10mQatar Airways
Deal found 10/29$909
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:40 amIAD - CMB
1 stop19h 20mQatar Airways
Sat 12/1311:15 amCMB - IAD
1 stop31h 35mQatar Airways
Deal found 10/30$912
This Ovago deal was found by Cheapflights users on 10/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:30 pmIAD - CMB
1 stop30h 10mTurkish Airlines
Thu 12/47:40 amCMB - IAD
1 stop22h 10mTurkish Airlines
Deal found 10/31$913
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/294:51 pmDCA - CMB
2 stops23h 24mAmerican Airlines
Sat 12/204:15 amCMB - DCA
2 stops26h 31mAmerican Airlines
Deal found 10/29$1,031

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 October 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Sri Lanka that are best for you.

Fly from

Washington, D.C.

Fly to

Sri Lanka

Route

Depart

Return

Price

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 11/12

10:40 am-4:30 pm

1 stop19h 20m

Colombo Bandaranaike Intl

Thu 2/12

4:15 am-3:55 pm

1 stop22h 10m

$936

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 11/14

10:40 am-2:45 am

1 stop29h 35m

Colombo Bandaranaike Intl

Sun 2/22

7:30 pm-3:55 pm

1 stop30h 55m

$1,148

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 12/29

2:35 pm-8:20 pm

1 stop19h 15m

Colombo Bandaranaike Intl

Sun 1/18

4:00 am-9:05 am

1 stop39h 35m

$1,153

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 1/7

3:30 pm-1:55 am

2 stops23h 55m

Colombo Bandaranaike Intl

Tue 1/20

4:15 am-6:55 pm

2 stops25h 10m

$1,157

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 12/1

8:05 pm-7:20 pm

1 stop36h 45m

Colombo Bandaranaike Intl

Sat 12/20

11:15 am-11:05 pm

2 stops46h 20m

$1,160

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 12/1

6:15 am-4:30 pm

2 stops23h 45m

Colombo Bandaranaike Intl

Thu 12/11

4:15 am-9:30 pm

2 stops27h 45m

$1,189

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 3/16

2:59 pm-11:30 pm

2 stops47h 01m

Colombo Bandaranaike Intl

Sun 3/22

12:45 am-10:15 pm

2 stops31h 00m

$1,207

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Thu 3/12

6:35 pm-11:30 pm

2 stops43h 25m

Colombo Bandaranaike Intl

Wed 3/25

12:45 am-10:15 pm

2 stops31h 00m

$1,207

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 11/22

8:05 pm-1:55 am

1 stop19h 20m

Colombo Bandaranaike Intl

Thu 12/4

4:15 am-3:55 pm

1 stop22h 10m

$1,231

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 11/12

6:24 am-4:30 pm

2 stops23h 36m

Colombo Bandaranaike Intl

Mon 2/16

4:15 am-9:16 pm

2 stops27h 31m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Washington, D.C. to Sri Lanka (average of $709). Flying from Washington, D.C. to Sri Lanka in July is currently the most expensive (average of $991). 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.

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

Find hourly flight availability from Washington, D.C. 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 October 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Sri Lanka in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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 October 31, 2025.
Get a feel of what it's like to fly with Qatar Airways, Etihad Airways, and Turkish Airlines 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
3,661 reviews

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.4

Entertainment

7.4

Overall

7.4

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
3,661 reviews
Qatar Airways
7.4
Good
3,661 reviews

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.4

Entertainment

7.4

Overall

7.4

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
7.4
Good
1,284 reviews
Qatar Airways
7.4
Good
3,661 reviews

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.4

Entertainment

7.4

Overall

7.4

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
7.3
Good
4,033 reviews
Qatar Airways
7.4
Good
3,661 reviews

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.4

Entertainment

7.4

Overall

7.4

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
7.2
Good
11,033 reviews
Qatar Airways
7.4
Good
3,661 reviews

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.4

Entertainment

7.4

Overall

7.4

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
2,906 reviews
Qatar Airways
7.4
Good
3,661 reviews

Crew

7.9

Food

7.3

Boarding

7.5

Comfort

7.4

Entertainment

7.4

Overall

7.4

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 Qatar Airways, Etihad Airways, and JetBlue fly from Washington, D.C. to Sri Lanka in about 19h 15m. The time it takes to get you to your destination can typically vary by up to 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?

    $555 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Qatar Airways and Air India, with prices starting from $689 and $822, 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Sri Lanka (average of $709). Flying from Washington, D.C. to Sri Lanka in July is currently the most expensive (average of $991). 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.

Alternative routes for Washington, D.C. to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Sri Lanka

Discover the top 9 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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$752Average$1,061FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$830Average$1,122FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$875Average$1,288FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$885Average$1,178FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$900Average$1,249FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$954Average$985FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$985Average$2,516FlexibilityNo cancel feeOn-time62%
IndiGoCheapest$1,082Average$1,301FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,400Average$1,720FlexibilityNo cancel feeOn-time75%

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