HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$477+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — WAS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sri Lanka to Washington, D.C. 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.

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 November 3, 2025.

This Travelocity deal was found by Cheapflights users on 11/1. 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.
Mon 12/15:05 pmCMB - DCA
3 stops37h 10mMultiple Airlines
Mon 12/298:40 pmDCA - CMB
2 stops46h 15mMultiple Airlines
Deal found 11/1$1,143

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 November 3, 2025.

Round-trip from

$904
(Orbitz)

One-way from

$477
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$1,795
From Sri Lanka to Washington, D.C. (WAS)
Search Deals
One-way flight from Sri Lanka to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 3, 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

Sun 2/8

10:15 pm-7:20 pm

2 stops31h 35m

Washington, D.C. Dulles Intl

Tue 2/24

2:35 pm-2:50 am

1 stop25h 45m

$994

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 2/18

12:35 am-7:20 pm

2 stops29h 15m

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-8:15 am

1 stop31h 10m

$1,092

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Mon 12/1

5:05 pm-7:45 pm

3 stops37h 10m

Washington, D.C. Reagan-National

Mon 12/29

8:40 pm-5:25 am

2 stops46h 15m

$1,143

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Wed 3/11

12:50 pm-3:28 pm

2 stops60h 08m

Washington, D.C. Reagan-National

Sun 3/15

12:55 pm-12:30 pm

2 stops38h 05m

$1,209

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 3/11

12:50 pm-11:29 am

2 stops56h 09m

Washington, D.C. Dulles Intl

Sun 3/15

9:00 am-12:30 pm

2 stops42h 00m

$1,215

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 3/12

12:50 pm-8:54 pm

2 stops41h 34m

Washington, D.C. Dulles Intl

Wed 5/20

9:45 am-12:45 pm

2 stops41h 30m

$1,219

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 2/19

9:35 pm-9:05 am

1 stop22h 00m

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-3:50 am

1 stop26h 45m

$1,228

ColomboBaltimore

CMB - BWI

CMBBWI

Colombo Bandaranaike Intl

Tue 3/10

4:15 am-9:28 pm

2 stops26h 43m

Baltimore/Washington

Thu 3/12

1:01 pm-2:45 am

2 stops28h 14m

$1,595

ColomboBaltimore

CMB - BWI

CMBBWI

Colombo Bandaranaike Intl

Tue 3/10

8:15 pm-9:42 pm

3 stops34h 57m

Baltimore/Washington

Thu 3/12

5:14 pm-8:20 am

2 stops29h 36m

$2,790

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sat 12/6

9:35 pm-8:31 am

3 stops45h 26m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 34 results
1
2
3
4

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, July is the cheapest month in which you can book a flight from Sri Lanka to Washington, D.C. (average of $798). Flying from Sri Lanka to Washington, D.C. in August is currently the most expensive (average of $1,563). 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 November 3, 2025.
See what other customers who have flown with Qatar Airways and Etihad Airways 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.
Qatar Airways
7.4
Good
3,659 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Food

7.3

Overall

7.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,659 reviews
Qatar Airways
7.4
Good
3,659 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Food

7.3

Overall

7.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Etihad Airways
7.4
Good
1,284 reviews
Qatar Airways
7.4
Good
3,659 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Food

7.3

Overall

7.4

Boarding

7.5

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

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.

  • How long is the flight from Sri Lanka to Washington, D.C.?

    There are many flights that can get you from Sri Lanka to Washington, D.C. in 26h 43m. Fly via Air Canada or Qatar Airways to get the fastest option. The distance from Sri Lanka to Washington, D.C. is about 8893 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, July is the cheapest month in which you can book a flight from Sri Lanka to Washington, D.C. (average of $798). Flying from Sri Lanka to Washington, D.C. in August is currently the most expensive (average of $1,563). 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
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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 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
Hyderabad to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
Hyderabad to Reagan-National flights
Mumbai to Dulles Intl flights
Taiwan Taoyuan Intl to Dulles Intl flights
New Delhi to Dulles Intl flights
Incheon Intl to Reagan-National flights
New Delhi to Reagan-National flights
Kathmandu to Dulles Intl flights
Mumbai to Reagan-National flights
Manila to Dulles Intl flights
Kathmandu to Reagan-National flights
Lahore to Dulles Intl flights
Haneda to Dulles Intl flights
Ahmedabad to Dulles Intl flights
Bangalore to Dulles Intl flights
Narita to Dulles Intl flights
Chennai to Dulles Intl flights
Karachi to Dulles Intl flights
Manila to Reagan-National flights
Suvarnabhumi to Reagan-National flights
Haneda to Reagan-National flights
Ahmedabad to Reagan-National flights
Narita to Reagan-National flights
Hong Kong to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Chennai to Reagan-National flights
Islamabad to Dulles Intl flights
Kuala Lumpur Intl to Dulles Intl flights
Bangalore to Reagan-National flights
Lahore to Reagan-National flights
Hong Kong to Reagan-National flights
Dhaka to Reagan-National flights
Taiwan Taoyuan Intl to Reagan-National flights
Islamabad to Reagan-National flights
Singapore to Dulles Intl flights
Dhaka to Dulles Intl flights
Nagpur to Dulles Intl flights
Hongqiao Intl to Dulles Intl flights
Karachi to Reagan-National flights
Kolkata to Dulles Intl flights
Astana to Dulles Intl flights
Capital to Dulles Intl flights
Pu Dong to Dulles Intl flights
Kuala Lumpur Intl 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$929Average$1,335FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$942Average$1,250FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,267Average$1,357FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.