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Washington, D.C.

$471+ Cheap flights from Sri Lanka to Washington, D.C. (WAS)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — WAS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Sri Lanka to Washington, D.C.

Keep the following information in mind while searching for Sri Lanka to Washington, D.C. flight deals. Data was last updated July 31, 2025.

Round-trip from

$972
(FlightHub)

One-way from

$471
(Booking.com)

Popular in

January

Cheapest in

March

Average price

$1,594
From Sri Lanka to Washington, D.C. (WAS)
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One-way flight from Sri Lanka to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 6% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Sri Lanka to Washington, D.C.

Cheapest flights from Sri Lanka to Washington, D.C.
Explore the most affordable flight options available from Sri Lanka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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 9/95:05 pmCMB - IAD
1 stop24h 05mAir India
Wed 10/111:00 amIAD - CMB
1 stop34h 50mAir India
Deal found 7/31$972
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:45 pmCMB - IAD
2 stops36h 00mMultiple Airlines
Wed 12/315:25 pmIAD - CMB
2 stops25h 40mMultiple Airlines
Deal found 7/30$1,043
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:55 pmCMB - IAD
2 stops47h 20mIndiGo
Mon 12/19:10 pmIAD - CMB
2 stops46h 45mIndiGo
Deal found 7/30$1,119
This Etihad Airways deal was found by Cheapflights users on 7/30. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:05 amCMB - IAD
1 stop21h 35mEtihad Airways
Wed 12/319:10 pmIAD - CMB
1 stop24h 35mEtihad Airways
Deal found 7/30$1,188
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:05 pmCMB - IAD
2 stops36h 43mAir Canada
Wed 10/19:35 amIAD - CMB
2 stops41h 40mAir Canada
Deal found 7/31$1,204
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:05 pmCMB - DCA
2 stops36h 16mAir Canada
Wed 10/19:40 amDCA - CMB
2 stops41h 35mAir Canada
Deal found 7/31$1,204
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:35 amCMB - IAD
1 stop21h 35mQatar Airways
Wed 12/318:05 pmIAD - CMB
1 stop19h 20mQatar Airways
Deal found 7/30$1,251
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:05 pmCMB - DCA
3 stops37h 20mAir India
Wed 10/16:19 amDCA - CMB
2 stops31h 21mAir India
Deal found 7/30$1,333
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:35 amCMB - BWI
2 stops29h 54mQatar Airways
Wed 10/16:19 amBWI - CMB
2 stops34h 16mQatar Airways
Deal found 7/30$1,488
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:35 amCMB - DCA
2 stops24h 55mQatar Airways
Wed 10/13:15 pmDCA - CMB
2 stops25h 20mQatar Airways
Deal found 7/30$1,554
This Travelocity deal was found by Cheapflights users on 7/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:10 pmCMB - DCA
2 stops29h 38mMultiple Airlines
Tue 6/236:50 pmDCA - CMB
2 stops28h 15mMultiple Airlines
Deal found 7/30$1,765
This Singapore Airlines deal was found by Cheapflights users on 7/31. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:50 amCMB - DCA
3 stops53h 39mSingapore Airlines
Wed 10/18:59 amDCA - CMB
2 stops53h 06mSingapore Airlines
Deal found 7/31$1,841

Cheapflights Fare Finder

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

Fly from

Sri Lanka

Fly to

Washington, D.C.

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

5:05 pm-7:40 am

1 stop24h 05m

Washington, D.C. Dulles Intl

Wed 10/1

11:00 am-7:20 am

1 stop34h 50m

$972

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 9/17

1:45 pm-4:15 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

Wed 12/31

5:25 pm-5:35 am

2 stops25h 40m

$1,043

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 8/29

9:55 pm-11:45 am

2 stops47h 20m

Washington, D.C. Dulles Intl

Mon 12/1

9:10 pm-6:25 am

2 stops46h 45m

$1,119

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/30

4:05 am-4:10 pm

1 stop21h 35m

Washington, D.C. Dulles Intl

Wed 12/31

9:10 pm-8:15 am

1 stop24h 35m

$1,188

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

1:05 pm-4:18 pm

2 stops36h 43m

Washington, D.C. Dulles Intl

Wed 10/1

9:35 am-12:45 pm

2 stops41h 40m

$1,204

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 9/9

1:05 pm-3:51 pm

2 stops36h 16m

Washington, D.C. Reagan-National

Wed 10/1

9:40 am-12:45 pm

2 stops41h 35m

$1,204

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/16

3:35 am-3:40 pm

1 stop21h 35m

Washington, D.C. Dulles Intl

Wed 12/31

8:05 pm-1:55 am

1 stop19h 20m

$1,251

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 9/9

5:05 pm-8:55 pm

3 stops37h 20m

Washington, D.C. Reagan-National

Wed 10/1

6:19 am-11:10 pm

2 stops31h 21m

$1,333

ColomboBaltimore

CMB - BWI

CMBBWI

Colombo Bandaranaike Intl

Mon 9/8

3:35 am-11:59 pm

2 stops29h 54m

Baltimore/Washington

Wed 10/1

6:19 am-2:05 am

2 stops34h 16m

$1,488

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Mon 9/8

3:35 am-7:00 pm

2 stops24h 55m

Washington, D.C. Reagan-National

Wed 10/1

3:15 pm-2:05 am

2 stops25h 20m

$1,554

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 37 results
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Best time to book a flight from Sri Lanka to Washington, D.C.

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

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

Currently, August is the cheapest month in which you can book a flight from Sri Lanka to Washington, D.C. (average of $241). Flying from Sri Lanka to Washington, D.C. in March is currently the most expensive (average of $290). 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated July 31, 2025.
See what other customers who have flown with Emirates, Singapore Airlines, and Cathay Pacific from Sri Lanka to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,300 reviews

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Emirates
8.1
Very good
3,300 reviews
Emirates
8.1
Very good
3,300 reviews

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Singapore Airlines
8.1
Very good
1,338 reviews
Emirates
8.1
Very good
3,300 reviews

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Cathay Pacific
7.6
Good
949 reviews
Emirates
8.1
Very good
3,300 reviews

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Qatar Airways
7.4
Good
3,609 reviews
Emirates
8.1
Very good
3,300 reviews

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Etihad Airways
7.4
Good
1,230 reviews
Emirates
8.1
Very good
3,300 reviews

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Related info for your journey

Find useful and relevant information for your journey from Sri Lanka to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $471. Users have also found prices from $575 and $741 on Air India and Etihad Airways, respectively.

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

    The most popular route from Sri Lanka to Washington, D.C. is Colombo Bandaranaike Intl - Washington, D.C. Dulles Intl. You may also consider Colombo Bandaranaike Intl - Washington, D.C. Reagan-National or Colombo Bandaranaike Intl - Baltimore/Washington.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sri Lanka to Washington, D.C. (average of $241). Flying from Sri Lanka to Washington, D.C. in March is currently the most expensive (average of $290). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

Browse thousands of different options on Cheapflights for your next trip

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

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Bangalore to Dulles Intl flights
Hyderabad to Dulles Intl flights
Bangalore to Reagan-National flights
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Hyderabad to Reagan-National flights
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Incheon Intl to Reagan-National flights
New Delhi to Reagan-National flights
Manila to Reagan-National flights
Kuala Lumpur Intl to Dulles Intl flights
Taiwan Taoyuan Intl to Dulles Intl flights
Ahmedabad to Dulles Intl flights
Kathmandu to Dulles Intl flights
Chennai to Dulles Intl flights
Colombo to Reagan-National flights
Haneda to Reagan-National flights
Narita to Reagan-National flights
Yerevan to Dulles Intl flights
Mumbai to Reagan-National flights
Chennai to Reagan-National flights
Capital to Dulles Intl flights
Lahore to Reagan-National flights
Hong Kong to Dulles Intl flights
Dhaka to Dulles Intl flights
Kansai Intl to Dulles Intl flights
Kathmandu to Reagan-National flights
Suvarnabhumi to Reagan-National flights
Taiwan Taoyuan Intl to Reagan-National flights
Kansai Intl to Reagan-National flights
Capital to Reagan-National flights
Itami to Dulles Intl flights
Hongqiao Intl to Dulles Intl flights
Hong Kong to Reagan-National flights
Hongqiao Intl to Reagan-National flights
Okinawa to Dulles Intl flights
Dhaka to Reagan-National flights

Top 3 airlines flying from Sri Lanka to Washington, D.C.

Discover the top 3 airlines that operate flights from Sri Lanka to Washington, D.C.. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$929Average$1,248FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$942Average$1,250FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,267Average$1,357FlexibilityNo cancel feeOn-time71%

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