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$501+ Cheap flights from Washington, D.C. (WAS) to Bandaranaike Intl (CMB)

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CMB
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Colombo Bandaranaike Intl are usually found in February or March, booked 58 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Washington, D.C. to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Colombo (CMB). 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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$813
(oojo)

One-way from

$501
(Qatar Airways)

Popular in

December

Cheapest in

February

Average price

$966
Provider with most accurate pricing for Washington, D.C. (WAS)-Colombo Bandaranaike Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Colombo Bandaranaike Intl flights.
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From Washington, D.C. (WAS) to Colombo Bandaranaike Intl
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One-way flight from Washington, D.C. (WAS) to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 9% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Washington, D.C. to Colombo

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

This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2910:05 pmIAD - CMB
1 stop37h 05mEtihad Airways
jue. 6/124:05 amCMB - IAD
1 stop21h 35mEtihad Airways
Deal found 4/27$770
This oojo deal was found by Cheapflights users on 4/28. 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.
mié. 5/79:00 pmIAD - CMB
1 stop19h 35mQatar Airways
mié. 5/288:20 pmCMB - IAD
1 stop28h 50mQatar Airways
Deal found 4/28$837
This FlightHub deal was found by Cheapflights users on 4/28. 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.
lun. 11/179:25 pmIAD - CMB
1 stop22h 00mTurkish Airlines
mié. 12/177:25 amCMB - IAD
1 stop22h 35mTurkish Airlines
Deal found 4/28$884
This American Airlines deal was found by Cheapflights users on 4/29. 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.
lun. 11/38:05 pmIAD - CMB
1 stop20h 10mAmerican Airlines
sáb. 11/297:15 pmCMB - IAD
1 stop31h 10mAmerican Airlines
Deal found 4/29$901
This oojo deal was found by Cheapflights users on 4/28. 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.
mié. 5/79:00 pmIAD - CMB
2 stops40h 25mMultiple Airlines
mié. 5/288:20 pmCMB - IAD
1 stop21h 50mMultiple Airlines
Deal found 4/28$995
This Booking.com deal was found by Cheapflights users on 4/28. 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.
dom. 9/149:40 pmIAD - CMB
2 stops28h 40mIndiGo
dom. 9/2112:50 pmCMB - IAD
2 stops40h 25mIndiGo
Deal found 4/28$1,053
This oojo deal was found by Cheapflights users on 4/28. 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.
lun. 9/156:55 pmDCA - CMB
2 stops21h 40mQatar Airways
mar. 9/308:20 pmCMB - DCA
2 stops34h 01mQatar Airways
Deal found 4/28$1,094
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1710:00 amIAD - CMB
2 stops30h 15mAlaska Airlines
mar. 12/163:25 amCMB - IAD
1 stop23h 00mAlaska Airlines
Deal found 4/29$1,253
This FlightHub deal was found by Cheapflights users on 4/28. 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.
mar. 10/285:50 pmBWI - CMB
2 stops44h 10mSingapore Airlines
mar. 11/1111:05 amCMB - BWI
2 stops40h 12mSingapore Airlines
Deal found 4/28$1,346
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/116:50 pmDCA - CMB
2 stops24h 35mMultiple Airlines
sáb. 5/171:05 pmCMB - DCA
2 stops40h 08mMultiple Airlines
Deal found 4/28$1,392
This Air Canada deal was found by Cheapflights users on 4/28. 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.
dom. 5/46:50 pmDCA - CMB
2 stops28h 15mAir Canada
jue. 5/293:25 amCMB - DCA
2 stops27h 58mAir Canada
Deal found 4/28$1,419
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/308:09 amBWI - CMB
2 stops32h 26mQatar Airways
mié. 5/74:35 amCMB - BWI
2 stops27h 00mQatar Airways
Deal found 4/29$1,605

Cheapflights Fare Finder

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

Fly from

Washington, D.C.

Fly to

Colombo

Route

Depart

Return

Price

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

lun. 5/5

10:05 pm-8:30 am

1 stop24h 55m

Colombo Bandaranaike Intl

jue. 5/29

4:05 am-4:10 pm

1 stop21h 35m

$813

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

mié. 5/7

9:00 pm-2:05 am

1 stop19h 35m

Colombo Bandaranaike Intl

mié. 5/28

8:20 pm-3:40 pm

1 stop28h 50m

$837

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

lun. 5/12

1:30 pm-5:15 am

1 stop30h 15m

Colombo Bandaranaike Intl

jue. 5/15

6:45 am-11:45 am

1 stop38h 30m

$885

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

mié. 5/7

9:00 pm-10:55 pm

2 stops40h 25m

Colombo Bandaranaike Intl

mié. 5/28

8:20 pm-8:40 am

1 stop21h 50m

$995

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

sáb. 5/10

9:40 pm-11:50 am

2 stops28h 40m

Colombo Bandaranaike Intl

lun. 5/26

12:50 pm-7:45 pm

2 stops40h 25m

$1,080

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

lun. 9/15

6:55 pm-2:05 am

2 stops21h 40m

Colombo Bandaranaike Intl

lun. 9/29

3:35 am-8:51 pm

2 stops26h 46m

$1,094

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

sáb. 5/31

11:00 am-4:05 pm

1 stop19h 35m

Colombo Bandaranaike Intl

mar. 9/30

8:20 am-7:40 am

1 stop32h 50m

$1,263

BaltimoreColombo

BWI - CMB

BWICMB

Baltimore/Washington

vie. 10/3

7:28 pm-11:35 pm

2 stops42h 37m

Colombo Bandaranaike Intl

dom. 11/9

11:05 am-4:47 pm

2 stops40h 12m

$1,372

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

dom. 5/11

6:50 pm-4:55 am

2 stops24h 35m

Colombo Bandaranaike Intl

sáb. 5/17

1:05 pm-7:43 pm

2 stops40h 08m

$1,392

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

vie. 5/16

2:25 pm-8:35 am

2 stops32h 40m

Colombo Bandaranaike Intl

dom. 6/8

10:05 am-1:41 pm

2 stops37h 06m

$1,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 38 results
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Compare providers for flights from Washington, D.C. to Colombo

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 Washington, D.C. to Colombo in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 Washington, D.C.-Colombo Bandaranaike Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Colombo Bandaranaike Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Colombo Bandaranaike Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Colombo Bandaranaike Intl Airport 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 Washington, D.C. to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo 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 Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Washington, D.C. to Colombo Bandaranaike Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Colombo. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Colombo Bandaranaike Intl Airport, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from Washington, D.C. to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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 CMB?

Find hourly flight availability from Washington, D.C. to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

When flying from Washington, D.C. to Colombo Bandaranaike Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 9% versus a flight in the morning.

Rainfall in Colombo by month

Plan your trip to Colombo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 2.4 in.

Temperature in Colombo by month

Plan your trip to Colombo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. 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 Colombo. Reviews last updated abril 30, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and Cathay Pacific from Washington, D.C. to Colombo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very good
3,213 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
852 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,563 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Etihad Airways
7.4
Good
1,203 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Colombo. 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 flying from Washington, D.C. to Colombo Bandaranaike Intl Airport round-trip?

    Our cheapest airline available from Washington, D.C. to Colombo Bandaranaike Intl Airport is Etihad Airways. Our recent data shows that you can find tickets from as low as $813 on this airline. Additional options worth looking into are Qatar Airways and Air India, starting at $867 and $957 round-trip. Users have found that Etihad Airways is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Colombo Bandaranaike Intl Airport one-way?

    $501 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Air India and JetBlue, with prices starting from $606 and $796, respectively.

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

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

  • Where are the most common layover locations when flying from Washington, D.C. to Colombo Bandaranaike Intl Airport?

    Of the flights from Washington, D.C. to Colombo Bandaranaike Intl Airport that have layovers, most of them stop in Abu Dhabi.

  • What are some popular things to do or see while on a layover in Abu Dhabi?

    Abu Dhabi travelers tend to visit Emirates Palace, Emirates Park Zoo, and Sheikh Zayed Mosque more than anywhere else. Emirates Palace, Emirates Park Zoo, and Sheikh Zayed Mosque can be accessed by traveling approximately 21.1 mi, 7.9 mi, and 11.2 mi, respectively from Abu Dhabi Zayed Intl. Those looking to explore during their layover in Abu Dhabi can rent a car from Abu Dhabi Zayed Intl for about $23 per day.

  • Where are the least popular layover locations for Washington, D.C. to Colombo Bandaranaike Intl Airport flights?

    Washington, D.C. to Colombo Bandaranaike Intl Airport flights that have layovers will least frequently stop in Doha.

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

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

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

    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 Colombo.

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

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

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from Washington, D.C. to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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

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Book flights to Washington, D.C. if you plan to visit one of these locations
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Alternative routes for Washington, D.C. to Colombo

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

Top 5 airlines flying from Washington, D.C. to Colombo

Discover the top 5 airlines that operate flights from Washington, D.C. to Colombo. 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$749Average$1,135FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$910Average$958FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$931Average$1,165FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,043Average$1,434FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,386Average$1,865FlexibilityNo cancel feeOn-time75%

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