HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$668+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — IAD
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colombo to Dulles Intl 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.

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 December 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$887
(Qatar Airways)

One-way from

$668
(Booking.com)

Popular in

February

Cheapest in

December

Average price

$945
Provider with most accurate pricing for Colombo Bandaranaike Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Washington, D.C. Dulles Intl flights.
Search Deals
From Colombo Bandaranaike Intl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Colombo Bandaranaike Intl to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Colombo to Dulles Intl

Best flights from Colombo to Dulles Intl
Discover carefully curated flight deals from Colombo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2024.

This Qatar Airways deal was found by Cheapflights users on 12/21. 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.
Thu 2/611:15 amCMB - IAD
1 stop31h 35mMultiple Airlines
Thu 2/278:05 pmIAD - CMB
1 stop20h 20mMultiple Airlines
Deal found 12/21$887
This Qatar Airways deal was found by Cheapflights users on 12/20. 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.
Thu 2/611:15 amCMB - IAD
1 stop31h 35mQatar Airways
Thu 2/278:05 pmIAD - CMB
1 stop20h 20mQatar Airways
Deal found 12/20$895
This Etihad Airways deal was found by Cheapflights users on 12/21. 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.
Wed 2/54:20 amCMB - IAD
1 stop22h 35mEtihad Airways
Thu 2/279:30 pmIAD - CMB
1 stop24h 30mEtihad Airways
Deal found 12/21$926
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Thu 5/11:05 pmCMB - IAD
2 stops41h 25mAir Canada
Sat 7/52:20 pmIAD - CMB
2 stops36h 55mAir Canada
Deal found 12/21$1,153
This Booking.com deal was found by Cheapflights users on 12/20. 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.
Thu 2/64:00 pmCMB - IAD
2 stops38h 00mIndiGo
Thu 2/279:25 pmIAD - CMB
2 stops31h 05mIndiGo
Deal found 12/20$1,211
This Singapore Airlines deal was found by Cheapflights users on 12/21. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2912:50 amCMB - IAD
2 stops39h 00mSingapore Airlines
Mon 7/77:00 amIAD - CMB
2 stops55h 05mSingapore Airlines
Deal found 12/21$1,621
This FlightHub deal was found by Cheapflights users on 12/21. 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.
Thu 5/15:05 pmCMB - IAD
2 stops23h 40mAir India
Sat 7/511:15 amIAD - CMB
1 stop19h 20mAir India
Deal found 12/21$1,680
This Emirates deal was found by Cheapflights users on 12/21. 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.
Wed 4/303:05 amCMB - IAD
1 stop39h 05mEmirates
Sat 7/510:55 amIAD - CMB
1 stop36h 10mEmirates
Deal found 12/21$1,731

Find flights from Colombo to Dulles Intl within your budget

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 December 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 2/6

11:15 am-8:20 am

1 stop31h 35m

Washington, D.C. Dulles Intl

Thu 2/27

8:05 pm-2:55 am

1 stop20h 20m

$887

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 2/6

11:15 am-8:20 am

1 stop31h 35m

Washington, D.C. Dulles Intl

Thu 2/27

8:05 pm-2:55 am

1 stop20h 20m

$895

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 2/5

4:20 am-4:25 pm

1 stop22h 35m

Washington, D.C. Dulles Intl

Thu 2/27

9:30 pm-8:30 am

1 stop24h 30m

$926

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 5/1

1:05 pm-9:00 pm

2 stops41h 25m

Washington, D.C. Dulles Intl

Sat 7/5

2:20 pm-12:45 pm

2 stops36h 55m

$1,153

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 2/6

4:00 pm-7:30 pm

2 stops38h 00m

Washington, D.C. Dulles Intl

Thu 2/27

9:25 pm-3:00 pm

2 stops31h 05m

$1,211

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 5/29

12:50 am-6:20 am

2 stops39h 00m

Washington, D.C. Dulles Intl

Mon 7/7

7:00 am-11:35 pm

2 stops55h 05m

$1,621

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 5/1

5:05 pm-7:15 am

2 stops23h 40m

Washington, D.C. Dulles Intl

Sat 7/5

11:15 am-4:05 pm

1 stop19h 20m

$1,680

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 4/30

3:05 am-8:40 am

1 stop39h 05m

Washington, D.C. Dulles Intl

Sat 7/5

10:55 am-8:35 am

1 stop36h 10m

$1,731

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 1/27

4:00 pm-7:30 pm

2 stops38h 00m

$668

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 1/27

9:15 am-8:00 am

3 stops33h 15m

$901

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice 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. 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.

Travel insights for flights from Colombo to Dulles Intl

Get recent, data-driven insights about flights from Colombo to Dulles Intl including ideal travel times, pricing trends, and more.

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 $389). 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 December 21, 2024.
Emirates
8.1
Very good
3,403 reviews

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 10

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
8.1
Very good
3,403 reviews
Emirates
8.1
Very good
3,403 reviews

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 10

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.

Singapore Airlines
8.1
Very good
1,330 reviews
Emirates
8.1
Very good
3,403 reviews

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 10

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
7.5
Good
3,787 reviews
Emirates
8.1
Very good
3,403 reviews

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 10

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
1,208 reviews
Emirates
8.1
Very good
3,403 reviews

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 10

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.

Turkish Airlines
7.3
Good
3,899 reviews
Emirates
8.1
Very good
3,403 reviews

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 10

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?

    Qatar Airways, at $895, 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 Etihad Airways and Air Canada. Qatar Airways is priced at 40% 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 IndiGo. According to our data, you can fly for as low as $668. Users have also found prices from $986 and $1,120 on Turkish Airlines and Etihad Airways, 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 $389). 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

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 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 December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$805Average$1,288FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,131Average$1,834FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,310Average$1,360FlexibilityNo cancel feeOn-time77%
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.