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Dulles Intl

$651+ Cheap flights from Bandaranaike Intl (CMB) to Dulles Intl (IAD)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — IAD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Colombo to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Dulles Intl (IAD). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$847
(Expedia)

One-way from

$651
(Mytrip)

Popular in

April

Cheapest in

December

Average price

$1,555
Provider with most accurate pricing for Colombo Bandaranaike Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Washington, D.C. Dulles Intl flights.
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From Colombo Bandaranaike Intl to Washington, D.C. Dulles Intl
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One-way flight from Colombo Bandaranaike Intl to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 16% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Colombo to Dulles Intl

Cheapest flights from Colombo to Dulles Intl
Explore the most affordable flight options available from Colombo to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Expedia deal was found by Cheapflights users on 3/27. 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.
Sun 5/1110:05 amCMB - IAD
2 stops39h 40mMultiple Airlines
Wed 9/38:45 pmIAD - CMB
2 stops22h 40mMultiple Airlines
Deal found 3/27$847
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/213:25 amCMB - IAD
2 stops65h 19mAir Canada
Mon 8/119:45 amIAD - CMB
2 stops41h 30mAir Canada
Deal found 3/27$1,159
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/256:45 amCMB - IAD
1 stop22h 30mTurkish Airlines
Wed 9/39:40 pmIAD - CMB
1 stop22h 05mTurkish Airlines
Deal found 3/27$1,302
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/121:55 pmCMB - IAD
2 stops35h 10mKLM
Wed 7/305:25 pmIAD - CMB
2 stops34h 00mKLM
Deal found 3/27$1,462
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:55 amCMB - IAD
1 stop41h 05mSWISS
Sun 12/146:25 pmIAD - CMB
2 stops51h 30mSWISS
Deal found 3/27$1,581
This Qatar Airways deal was found by Cheapflights users on 3/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/173:35 amCMB - IAD
1 stop38h 35mQatar Airways
Wed 8/279:00 pmIAD - CMB
1 stop20h 35mQatar Airways
Deal found 3/27$1,582
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1412:50 pmCMB - IAD
2 stops39h 55mAir France
Tue 7/296:30 pmIAD - CMB
2 stops31h 50mAir France
Deal found 3/27$1,656
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:05 pmCMB - IAD
2 stops24h 05mAir India
Tue 8/1211:00 amIAD - CMB
1 stop21h 45mAir India
Deal found 3/27$1,680
This Emirates deal was found by Cheapflights users on 3/27. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2310:30 amCMB - IAD
2 stops31h 40mEmirates
Tue 9/25:10 pmIAD - CMB
3 stops39h 50mEmirates
Deal found 3/27$1,717
This Etihad Airways deal was found by Cheapflights users on 3/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/104:30 pmCMB - IAD
1 stop33h 10mEtihad Airways
Thu 7/3110:05 pmIAD - CMB
1 stop24h 55mEtihad Airways
Deal found 3/27$1,742
This Gulf Air deal was found by Cheapflights users on 3/27. 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 Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:25 pmCMB - IAD
3 stops56h 15mGulf Air
Sun 8/1010:05 pmIAD - CMB
3 stops49h 55mGulf Air
Deal found 3/27$1,806

Cheapflights Fare Finder

Customize your flight search to find flights from Colombo to Dulles Intl 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 March 28, 2025.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Colombo

Fly to

Dulles Intl

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sun 5/11

10:05 am-4:15 pm

2 stops39h 40m

Washington, D.C. Dulles Intl

Wed 9/3

8:45 pm-4:55 am

2 stops22h 40m

$847

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sat 6/21

3:25 am-11:14 am

2 stops65h 19m

Washington, D.C. Dulles Intl

Mon 8/11

9:45 am-12:45 pm

2 stops41h 30m

$1,159

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 6/25

6:45 am-7:45 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Wed 9/3

9:40 pm-5:15 am

1 stop22h 05m

$1,302

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 6/12

1:55 pm-3:35 pm

2 stops35h 10m

Washington, D.C. Dulles Intl

Wed 7/30

5:25 pm-12:55 pm

2 stops34h 00m

$1,462

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/17

3:35 am-8:40 am

1 stop38h 35m

Washington, D.C. Dulles Intl

Wed 8/27

9:00 pm-3:05 am

1 stop20h 35m

$1,582

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sat 6/14

12:50 pm-7:15 pm

2 stops39h 55m

Washington, D.C. Dulles Intl

Tue 7/29

6:30 pm-11:50 am

2 stops31h 50m

$1,656

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/24

5:05 pm-7:40 am

2 stops24h 05m

Washington, D.C. Dulles Intl

Wed 9/3

11:00 am-4:05 pm

1 stop19h 35m

$1,680

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 6/23

10:30 am-8:40 am

2 stops31h 40m

Washington, D.C. Dulles Intl

Tue 9/2

5:10 pm-6:30 pm

3 stops39h 50m

$1,717

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/10

4:30 pm-4:10 pm

1 stop33h 10m

Washington, D.C. Dulles Intl

Thu 7/31

10:05 pm-8:30 am

1 stop24h 55m

$1,742

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 6/23

5:25 pm-4:10 pm

3 stops56h 15m

Washington, D.C. Dulles Intl

Sun 8/10

10:05 pm-9:30 am

3 stops49h 55m

$1,806

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 17 results
1
2

Compare providers for flights from Colombo to Dulles Intl

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 Dulles Intl in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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 Colombo Bandaranaike Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colombo Bandaranaike Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colombo Bandaranaike Intl Airport-Washington, D.C. Dulles Intl Airport 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. Dulles 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 Colombo Bandaranaike Intl Airport-Washington, D.C. Dulles 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 Colombo to Dulles Intl

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

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

Currently, August is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated March 28, 2025.
Emirates
8.0
Very good
3,190 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,190 reviews
Emirates
8.0
Very good
3,190 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,321 reviews
Emirates
8.0
Very good
3,190 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Qatar Airways
7.4
Good
3,538 reviews
Emirates
8.0
Very good
3,190 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Etihad Airways
7.4
Good
1,181 reviews
Emirates
8.0
Very good
3,190 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Air France
7.4
Good
1,424 reviews
Emirates
8.0
Very good
3,190 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

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

    Air Canada, at $1,159, was found to be the cheapest airline from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Turkish Airlines and KLM. Air Canada is priced at 16% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Etihad Airways. According to our data, you can fly for as low as $839. Users have also found prices from $1,036 and $1,187 on Qatar Airways and Air Canada, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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Alternative routes for Colombo to Dulles Intl

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

Top 3 airlines flying from Colombo to Dulles Intl

Discover the top 3 airlines that operate flights from Colombo to Dulles Intl. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$805Average$1,176FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$929Average$1,333FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,302Average$1,365FlexibilityNo cancel feeOn-time77%
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