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Washington, D.C.

$453+ Cheap flights from Bandaranaike Intl (CMB) 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — WAS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Colombo to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$877
(SmartFares)

One-way from

$453
(Booking.com)

Popular in

January

Cheapest in

March

Average price

$1,105
Provider with most accurate pricing for Colombo Bandaranaike Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Washington, D.C. (WAS) flights.
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From Colombo Bandaranaike Intl to Washington, D.C. (WAS)
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One-way flight from Colombo Bandaranaike Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 4% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($53 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 Colombo to Washington, D.C.

Cheapest flights from Colombo to Washington, D.C.
Explore the most affordable flight options available from Colombo to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:40 amCMB - IAD
2 stops27h 55mMultiple Airlines
Sun 11/308:30 pmIAD - CMB
2 stops38h 55mMultiple Airlines
Deal found 10/30$877
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:40 pmCMB - IAD
2 stops31h 20mMultiple Airlines
Mon 4/278:45 pmIAD - CMB
2 stops26h 20mMultiple Airlines
Deal found 10/27$889
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:45 amCMB - IAD
3 stops34h 45mMultiple Airlines
Tue 4/283:35 pmIAD - CMB
1 stop38h 20mMultiple Airlines
Deal found 10/27$911
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:45 amCMB - DCA
2 stops41h 11mAir Canada
Tue 12/29:40 amDCA - CMB
2 stops33h 30mAir Canada
Deal found 10/30$1,212
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:20 amCMB - DCA
2 stops30h 06mAir Canada
Thu 11/2711:05 amDCA - CMB
2 stops38h 55mAir Canada
Deal found 10/30$1,213
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:20 amCMB - DCA
2 stops30h 06mAir Canada
Tue 12/29:40 amDCA - CMB
2 stops33h 30mAir Canada
Deal found 10/30$1,223
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:45 amCMB - DCA
2 stops28h 41mAir Canada
Sun 11/304:10 pmDCA - CMB
2 stops33h 50mAir Canada
Deal found 10/30$1,409
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:20 amCMB - DCA
2 stops30h 06mAir Canada
Sun 11/3012:55 pmDCA - CMB
2 stops37h 05mAir Canada
Deal found 10/30$1,420
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:20 amCMB - DCA
2 stops30h 06mAir Canada
Sat 11/296:50 pmDCA - CMB
2 stops23h 05mAir Canada
Deal found 10/30$1,427
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:45 amCMB - DCA
2 stops28h 41mAir Canada
Fri 12/56:00 amDCA - CMB
2 stops35h 55mAir Canada
Deal found 10/29$1,460
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:20 amCMB - DCA
2 stops30h 06mAir Canada
Wed 12/312:55 pmDCA - CMB
2 stops37h 05mAir Canada
Deal found 10/30$1,485
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:50 pmCMB - DCA
2 stops39h 45mAir Canada
Wed 12/312:55 pmDCA - CMB
2 stops37h 05mAir Canada
Deal found 10/30$1,492

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colombo 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 October 30, 2025.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Washington, D.C. that are best for you.

Fly from

Colombo

Fly to

Washington, D.C.

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 3/12

9:55 am-5:40 pm

2 stops41h 15m

Washington, D.C. Dulles Intl

Wed 5/20

9:45 am-12:45 pm

2 stops41h 30m

$1,119

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Fri 1/23

2:20 am-9:56 pm

2 stops30h 06m

Washington, D.C. Reagan-National

Mon 2/2

4:10 pm-12:30 pm

2 stops33h 50m

$1,207

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 11/25

3:45 am-10:26 am

2 stops41h 11m

Washington, D.C. Reagan-National

Tue 12/2

9:40 am-5:40 am

2 stops33h 30m

$1,212

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 11/25

3:45 am-10:26 am

2 stops41h 11m

Washington, D.C. Reagan-National

Mon 12/1

8:40 pm-5:40 am

2 stops46h 30m

$1,212

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 11/22

2:20 am-9:56 pm

2 stops30h 06m

Washington, D.C. Reagan-National

Thu 11/27

11:05 am-12:30 pm

2 stops38h 55m

$1,213

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 3/10

12:25 am-11:29 am

2 stops44h 34m

Washington, D.C. Dulles Intl

Sun 3/15

9:00 am-12:30 pm

2 stops42h 00m

$1,216

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Tue 3/10

12:25 am-9:56 pm

2 stops31h 01m

Washington, D.C. Reagan-National

Sun 3/15

8:40 pm-12:30 pm

2 stops54h 20m

$1,216

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 3/12

12:50 pm-11:29 am

2 stops56h 09m

Washington, D.C. Dulles Intl

Wed 5/20

9:45 am-12:45 pm

2 stops41h 30m

$1,222

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Mon 11/24

12:50 pm-10:26 am

2 stops56h 06m

Washington, D.C. Reagan-National

Tue 12/2

9:40 am-5:40 am

2 stops33h 30m

$1,223

ColomboWashington, D.C.

CMB - DCA

CMBDCA

Colombo Bandaranaike Intl

Sat 11/22

2:20 am-9:56 pm

2 stops30h 06m

Washington, D.C. Reagan-National

Tue 12/2

9:40 am-5:40 am

2 stops33h 30m

$1,223

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 40 results
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Compare providers for flights from Colombo to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colombo to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colombo Bandaranaike Intl Airport-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Colombo Bandaranaike Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colombo Bandaranaike Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Colombo 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 Colombo Bandaranaike Intl Airport to Washington, D.C.

What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to Washington, D.C.?

Currently, July is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Washington, D.C. (average of $798). Flying from Colombo Bandaranaike Intl Airport 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.

How much does it cost to fly round-trip from Colombo Bandaranaike Intl Airport to Washington, D.C.?

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 October 30, 2025.
Peruse reviews from past customers who have flown with Qatar Airways and Etihad Airways from Colombo Bandaranaike Intl Airport to Washington, D.C. to help guide your decision. You can also see how each airline stacks up 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

Food

7.3

Overall

7.4

Boarding

7.5

Crew

7.9

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

Food

7.3

Overall

7.4

Boarding

7.5

Crew

7.9

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
1,282 reviews
Qatar Airways
7.4
Good
3,659 reviews

Comfort

7.4

Entertainment

7.4

Food

7.3

Overall

7.4

Boarding

7.5

Crew

7.9

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 Colombo 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 Colombo Bandaranaike Intl Airport to Washington, D.C.?

    Departing from Colombo Bandaranaike Intl Airport to Washington, D.C. will take you 30h 06m. The distance between Colombo Bandaranaike Intl Airport and Washington, D.C. is about 8923 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Colombo Bandaranaike Intl Airport to Washington, D.C. round-trip?

    Currently priced at $929, Qatar Airways will fly you from Colombo Bandaranaike Intl Airport to Washington, D.C. and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Etihad Airways and American Airlines - these airlines can fly you to your destination from $942 and $1,267, respectively. You may be able to fly from Colombo Bandaranaike Intl Airport to Washington, D.C. for 34% less than the average price by searching for these airlines.

  • What are the most popular routes from Colombo Bandaranaike Intl Airport to Washington, D.C.?

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

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

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

  • How can I find direct flights from Colombo 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 Colombo to Washington, D.C..

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

    Yes. Cheapflights offers flight deals from Colombo 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 Colombo Bandaranaike Intl Airport to Washington, D.C.?

    Currently, July is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Washington, D.C. (average of $798). Flying from Colombo Bandaranaike Intl Airport 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

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Alternative routes for Colombo to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Colombo to Dulles Intl flights
Colombo to Reagan-National flights

Top 3 airlines flying from Colombo to Washington, D.C.

Discover the top 3 airlines that operate flights from Colombo 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 October 30, 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%

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