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Colombo

$492+ Cheap flights from Dulles Intl (IAD) 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Jun 1 — Jun 81
Mon 6/1
Mon 6/8
1 adult, Economy
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Cheap flight deals from Dulles Intl to Colombo

Cheapest flights from Dulles Intl to Colombo
Explore the most affordable flight options available from Dulles Intl to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.

This Gotogate deal was found by Cheapflights users on 5/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:10 pm
IAD
-
CMB
1 stop38h 15m
Etihad Airways
Thu 9/174:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 5/1$886
This Gotogate deal was found by Cheapflights users on 5/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Wed 9/309:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 5/1$888
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.
Thu 4/302:05 pm
IAD
-
CMB
1 stop39h 20m
Etihad Airways
Sun 5/314:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 4/28$935
This deal was found by Cheapflights users on 4/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Mon 9/289:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/30$961
This deal was found by Cheapflights users on 4/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Wed 9/309:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/30$962
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Wed 9/239:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/27$964
This deal was found by Cheapflights users on 4/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Wed 9/309:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/30$965
This FlightHub deal was found by Cheapflights users on 4/30. 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 8/319:45 pm
IAD
-
CMB
1 stop23h 40m
Turkish Airlines
Wed 9/306:50 am
CMB
-
IAD
1 stop22h 30m
Turkish Airlines
Deal found 4/30$969
This oojo deal was found by Cheapflights users on 4/30. 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.
Thu 8/271:20 pm
IAD
-
CMB
1 stop30h 30m
Turkish Airlines
Wed 9/236:50 am
CMB
-
IAD
1 stop38h 15m
Turkish Airlines
Deal found 4/30$970
This oojo deal was found by Cheapflights users on 4/30. 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 10/121:20 pm
IAD
-
CMB
1 stop32h 05m
Turkish Airlines
Wed 11/47:40 am
CMB
-
IAD
1 stop23h 05m
Turkish Airlines
Deal found 4/30$973
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.
Wed 5/133:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sun 6/149:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 4/28$977

Find flight deals from Dulles Intl to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 May 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$886
(Gotogate)

One-way from

$492
(CrystalTravel)

Popular in

December

Cheapest in

February

Average price

$1,151
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Colombo Bandaranaike Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Colombo Bandaranaike Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Colombo Bandaranaike Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Colombo Bandaranaike Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 May 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 9/24

3:10 pm-8:35 am

1 stop31h 55m

Colombo Bandaranaike Intl

Mon 9/28

9:50 pm-9:45 am

1 stop21h 25m

$1,037

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 9/27

9:45 pm-5:20 am

1 stop22h 05m

Colombo Bandaranaike Intl

Wed 9/30

8:25 am-11:35 am

1 stop36h 40m

$1,043

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 8/6

9:00 pm-3:05 am

1 stop20h 35m

Colombo Bandaranaike Intl

Fri 8/21

10:30 am-3:40 pm

1 stop38h 40m

$1,208

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 6/5

3:10 pm-3:00 am

1 stop26h 20m

Colombo Bandaranaike Intl

Mon 6/22

4:20 pm-9:45 am

1 stop26h 55m

$1,222
Quickest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 6/9

3:10 pm-3:00 am

1 stop26h 20m

Colombo Bandaranaike Intl

Thu 6/18

9:50 pm-9:45 am

1 stop21h 25m

$1,222

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 9/24

9:00 pm-9:00 am

1 stop26h 30m

Colombo Bandaranaike Intl

Mon 9/28

4:35 am-10:47 pm

2 stops27h 42m

$1,259

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 6/6

3:10 pm-8:35 am

1 stop31h 55m

Colombo Bandaranaike Intl

Tue 6/23

4:10 am-9:45 am

1 stop39h 05m

$1,285

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 9/27

10:55 am-4:35 pm

1 stop20h 10m

Colombo Bandaranaike Intl

Wed 9/30

11:15 am-8:40 am

2 stops30h 55m

$1,416

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 7/4

8:50 am-8:35 pm

2 stops26h 15m

Colombo Bandaranaike Intl

Sat 7/25

10:00 am-9:45 am

1 stop33h 15m

$1,520

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 9/6

3:40 pm-6:30 pm

3 stops41h 20m

Colombo Bandaranaike Intl

Thu 9/17

11:15 am-8:40 am

2 stops30h 55m

$1,539

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Dulles Intl 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 Dulles Intl to Colombo in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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. Dulles Intl Airport-Colombo Bandaranaike Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-Colombo Bandaranaike Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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. Dulles Intl Airport-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 Dulles Intl to Colombo

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

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of $878). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,496). 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 Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

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 May 2, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, such as Qatar Airways,Turkish Airlines, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,724 reviews

Overall

7.4

Boarding

7.5

Entertainment

7.3

Crew

7.9

Comfort

7.3

Food

7.3

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
3,724 reviews
Qatar Airways
7.4
Good
3,724 reviews

Overall

7.4

Boarding

7.5

Entertainment

7.3

Crew

7.9

Comfort

7.3

Food

7.3

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
7.4
Good
4,343 reviews
Qatar Airways
7.4
Good
3,724 reviews

Overall

7.4

Boarding

7.5

Entertainment

7.3

Crew

7.9

Comfort

7.3

Food

7.3

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
7.3
Good
1,432 reviews
Qatar Airways
7.4
Good
3,724 reviews

Overall

7.4

Boarding

7.5

Entertainment

7.3

Crew

7.9

Comfort

7.3

Food

7.3

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
2,972 reviews
Qatar Airways
7.4
Good
3,724 reviews

Overall

7.4

Boarding

7.5

Entertainment

7.3

Crew

7.9

Comfort

7.3

Food

7.3

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
7.1
Good
11,680 reviews
Qatar Airways
7.4
Good
3,724 reviews

Overall

7.4

Boarding

7.5

Entertainment

7.3

Crew

7.9

Comfort

7.3

Food

7.3

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 Dulles Intl to Colombo. 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. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

    A quick flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport can take about 20h 35m. Etihad Airways provides one of the quickest options available for as low as $1,208. Airlines will cover a distance of 8928 mi. This flight may include one or multiple stops.

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

    According to our current data, Etihad Airways ($820), Qatar Airways ($866), and Turkish Airlines ($882) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport. Users have found that Etihad Airways is 23% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as $416. However, be on the lookout for offers from American Airlines and Qatar Airways, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport for a low price.

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

    Most of the time, Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport flights that have layovers will stop in Abu Dhabi.

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

    Emirates Palace, Ferrari World Abu Dhabi, and Sheikh Zayed Mosque are the most popular attractions in Abu Dhabi if you're in need of something to do during your layover. Emirates Palace, Ferrari World Abu Dhabi, and Sheikh Zayed Mosque can be accessed by traveling approximately 21.1 mi, 4.5 mi, and 11.2 mi, respectively from Abu Dhabi Zayed Intl. Travelers can rent a car at Abu Dhabi Zayed Intl for an average daily rate of $25 to make sightseeing during their layover a little easier.

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

    Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport flights have a layover in Doha least often.

  • Can I find deals for flights from Dulles Intl to Colombo that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Colombo.

  • Can I find deals for business class flights from Dulles Intl to Colombo?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of $878). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,496). 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 Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Top 7 airlines flying from Dulles Intl to Colombo

Discover the top 7 airlines that operate flights from Dulles Intl 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 May 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$820Average$1,104FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$866Average$1,131FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$882Average$1,274FlexibilityNo cancel feeOn-time77%
Alaska AirlinesCheapest$954Average$985FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$985Average$2,447FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$1,167Average$1,299FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,361Average$1,694FlexibilityNo cancel feeOn-time75%

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