HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$643+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — IAD
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
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 enero 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$871
(Expedia)

One-way from

$643
(Booking.com)

Popular in

April

Cheapest in

December

Average price

$1,176
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
Highest demand for flights based on searches. 14% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 enero 21, 2025.

This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/176:40 pmCMB - IAD
2 stops31h 40mMultiple Airlines
lun. 2/245:50 pmIAD - CMB
2 stops41h 35mMultiple Airlines
Deal found 1/20$871
This Etihad Airways deal was found by Cheapflights users on 1/20. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/54:20 amCMB - IAD
1 stop22h 35mEtihad Airways
jue. 3/1310:30 pmIAD - CMB
1 stop31h 10mEtihad Airways
Deal found 1/20$928
This Qatar Airways deal was found by Cheapflights users on 1/20. 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.
jue. 6/268:20 pmCMB - IAD
1 stop29h 20mQatar Airways
mié. 8/279:05 pmIAD - CMB
1 stop20h 50mQatar Airways
Deal found 1/20$1,025
This Justfly.com deal was found by Cheapflights users on 1/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/293:25 amCMB - IAD
2 stops51h 05mAir Canada
lun. 7/710:10 pmIAD - CMB
2 stops53h 05mAir Canada
Deal found 1/21$1,141
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/123:35 amCMB - IAD
1 stop22h 05mAmerican Airlines
mié. 4/2310:55 amIAD - CMB
1 stop29h 40mAmerican Airlines
Deal found 1/20$1,155
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/214:00 pmCMB - IAD
2 stops38h 00mIndiGo
sáb. 3/89:25 pmIAD - CMB
2 stops31h 05mIndiGo
Deal found 1/21$1,302
This Lufthansa deal was found by Cheapflights users on 1/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/710:05 amCMB - IAD
3 stops40h 15mLufthansa
mié. 2/265:50 pmIAD - CMB
2 stops28h 30mLufthansa
Deal found 1/21$1,499
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/75:05 pmCMB - IAD
2 stops24h 15mAir India
mar. 2/2510:00 amIAD - CMB
1 stop21h 45mAir India
Deal found 1/20$1,689
This Emirates deal was found by Cheapflights users on 1/20. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/292:05 amCMB - IAD
1 stop40h 05mEmirates
lun. 7/710:55 amIAD - CMB
2 stops22h 05mEmirates
Deal found 1/20$1,724

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

lun. 2/17

6:40 pm-3:50 pm

2 stops31h 40m

Washington, D.C. Dulles Intl

lun. 2/24

5:50 pm-9:55 pm

2 stops41h 35m

$871

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

mié. 3/5

4:20 am-4:25 pm

1 stop22h 35m

Washington, D.C. Dulles Intl

jue. 3/13

10:30 pm-3:10 pm

1 stop31h 10m

$928

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

jue. 6/26

8:20 pm-4:10 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

mié. 8/27

9:05 pm-3:25 am

1 stop20h 50m

$1,025

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

jue. 5/29

3:25 am-9:00 pm

2 stops51h 05m

Washington, D.C. Dulles Intl

lun. 7/7

10:10 pm-12:45 pm

2 stops53h 05m

$1,141

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

sáb. 4/12

3:35 am-4:10 pm

1 stop22h 05m

Washington, D.C. Dulles Intl

mié. 4/23

10:55 am-2:05 am

1 stop29h 40m

$1,155

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

vie. 2/21

4:00 pm-7:30 pm

2 stops38h 00m

Washington, D.C. Dulles Intl

sáb. 3/8

9:25 pm-3:00 pm

2 stops31h 05m

$1,302

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

vie. 2/7

10:05 am-3:50 pm

3 stops40h 15m

Washington, D.C. Dulles Intl

mié. 2/26

5:50 pm-8:50 am

2 stops28h 30m

$1,499

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

vie. 2/7

5:05 pm-6:50 am

2 stops24h 15m

Washington, D.C. Dulles Intl

mar. 2/25

10:00 am-6:15 pm

1 stop21h 45m

$1,689

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

jue. 5/29

2:05 am-8:40 am

1 stop40h 05m

Washington, D.C. Dulles Intl

lun. 7/7

10:55 am-6:30 pm

2 stops22h 05m

$1,724

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

mar. 3/11

4:00 pm-8:30 pm

2 stops38h 00m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 enero 21, 2025.
Peruse reviews from past customers who have flown with Air Canada, Emirates and Air India from Colombo to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

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
3,358 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

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
1,328 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

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
3,754 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

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
1,199 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

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
3,931 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Food

7.9

Crew

8.3

Entertainment

8.2

Overall

8.1

Boarding

8.1

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?

    Etihad Airways, at $928, 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 Qatar Airways and Air Canada. Etihad Airways is priced at 33% 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 $643. Users have also found prices from $680 and $770 on Air India 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

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
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$805Average$1,299FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,131Average$1,753FlexibilityNo 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.