HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colombo

$430+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Colombo 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.

The best prices from Washington, D.C. Dulles Intl to Colombo Bandaranaike Intl are usually found in September or October, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Monday

Cheap 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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

September

Round-trip from

$947
(Etihad Airways)

One-way from

$430
(oojo)
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
High demand for flights, 30% potential price rise
Search Deals
Best time to find cheap flights, 23% potential price drop
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

Find 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 November 20, 2024.

This oojo deal was found by Cheapflights users on 11/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/19:30 pmIAD - CMB
1 stop36h 35mEtihad Airways
Sat 12/79:40 amCMB - IAD
1 stop41h 15mEtihad Airways
Deal found 11/20$1,153
This oojo deal was found by Cheapflights users on 11/19. 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.
Sun 12/19:25 pmIAD - CMB
1 stop22h 05mTurkish Airlines
Tue 12/107:15 amCMB - IAD
1 stop39h 30mTurkish Airlines
Deal found 11/19$1,166
This oojo deal was found by Cheapflights users on 11/19. 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.
Sun 12/18:05 pmIAD - CMB
1 stop20h 20mQatar Airways
Tue 12/174:25 amCMB - IAD
1 stop22h 00mQatar Airways
Deal found 11/19$1,218
This Booking.com deal was found by Cheapflights users on 11/20. 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.
Sun 12/19:30 pmIAD - CMB
1 stop36h 35mMultiple Airlines
Sat 12/74:00 pmCMB - IAD
2 stops38h 00mMultiple Airlines
Deal found 11/20$1,335
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/38:05 pmIAD - CMB
1 stop20h 20mAmerican Airlines
Sun 12/84:25 amCMB - IAD
1 stop22h 00mAmerican Airlines
Deal found 11/19$1,534
This Booking.com deal was found by Cheapflights users on 11/19. 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.
Sun 12/12:00 pmIAD - CMB
2 stops38h 30mIndiGo
Thu 12/124:00 pmCMB - IAD
2 stops38h 00mIndiGo
Deal found 11/19$1,565
This oojo deal was found by Cheapflights users on 11/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/110:30 amIAD - CMB
1 stop27h 30mEmirates
Thu 12/128:15 pmCMB - IAD
2 stops46h 00mEmirates
Deal found 11/20$1,655
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:55 pmIAD - CMB
2 stops24h 20mBritish Airways
Sun 12/227:30 pmCMB - IAD
2 stops30h 35mBritish Airways
Deal found 11/19$2,103

Find flights from Dulles Intl to Colombo within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 2/18

9:30 pm-3:10 am

1 stop19h 10m

Colombo Bandaranaike Intl

Mon 2/24

4:20 am-4:25 pm

1 stop22h 35m

$947

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 1/29

10:35 am-1:55 am

1 stop28h 50m

Colombo Bandaranaike Intl

Sat 3/1

10:15 am-8:20 am

1 stop32h 35m

$997

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 1/22

9:25 pm-5:45 am

1 stop21h 50m

Colombo Bandaranaike Intl

Wed 1/29

7:15 am-7:30 pm

1 stop22h 45m

$998

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 2/3

9:30 pm-7:55 pm

2 stops35h 55m

Colombo Bandaranaike Intl

Mon 3/24

3:00 am-5:25 pm

2 stops47h 55m

$1,024

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 1/9

2:00 pm-3:00 pm

2 stops38h 30m

Colombo Bandaranaike Intl

Mon 1/27

4:00 pm-7:30 pm

2 stops38h 00m

$1,171

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 2/16

10:30 am-6:25 pm

2 stops21h 25m

Colombo Bandaranaike Intl

Mon 2/24

2:45 am-8:10 am

1 stop39h 55m

$1,360

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 2/15

12:40 pm-8:25 am

2 stops33h 15m

Colombo Bandaranaike Intl

Sat 4/5

10:05 am-1:51 pm

2 stops37h 16m

$1,424

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 1/29

9:30 pm-8:30 am

1 stop24h 30m

$430

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 1/29

9:30 pm-5:25 pm

2 stops33h 25m

$549

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 1/24

2:00 pm-3:00 pm

2 stops38h 30m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
FlightsMojoPrice Accuracy-Trust Score*3 stars
FareScanPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*3 stars
KAYAKPrice Accuracy-Trust Score*3 stars
GurufarePrice 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 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.

Travel insights for flights from Dulles Intl to Colombo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Colombo. Price data was last updated on November 15, 2024.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport is 83 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, September 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 $1,049). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in June is currently the most expensive (average of $1,692). 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 IAD to CMB?

Find hourly flight availability from Dulles Intl 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 November 20, 2024.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 5% on airfare.

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 November 20, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Colombo, such as Etihad Airways, Emirates and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,486 reviews

Overall

8.1

Entertainment

8.2

Comfort

8.0

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very good
3,486 reviews
Emirates
8.1
Very good
3,486 reviews

Overall

8.1

Entertainment

8.2

Comfort

8.0

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

SWISS
7.6
Good
1,637 reviews
Emirates
8.1
Very good
3,486 reviews

Overall

8.1

Entertainment

8.2

Comfort

8.0

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Qatar Airways
7.5
Good
3,831 reviews
Emirates
8.1
Very good
3,486 reviews

Overall

8.1

Entertainment

8.2

Comfort

8.0

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Turkish Airlines
7.4
Good
3,915 reviews
Emirates
8.1
Very good
3,486 reviews

Overall

8.1

Entertainment

8.2

Comfort

8.0

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Etihad Airways
7.4
Good
1,232 reviews
Emirates
8.1
Very good
3,486 reviews

Overall

8.1

Entertainment

8.2

Comfort

8.0

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

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.

  • 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 ($947), Turkish Airlines ($974), and Qatar Airways ($997) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport. Users have found that Etihad Airways is 27% 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 $430. However, be on the lookout for offers from IndiGo and Air India, 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 Doha.

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

    Museum of Islamic Art, Katara Cultural Village, and Aspire Tower are the most popular attractions in Doha if you're in need of something to do during your layover. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be accessed by traveling approximately 5.2 mi, 8.7 mi, and 10.6 mi, respectively from Doha Hamad Intl. Travelers can rent a car at Doha Hamad Intl for an average daily rate of $33 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 Abu Dhabi 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, September 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 $1,049). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in June is currently the most expensive (average of $1,692). 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 Dulles Intl to Colombo

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

Top 8 airlines flying from Dulles Intl to Colombo

Discover the top 8 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$811Average$1,372FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$851Average$1,439FlexibilityNo cancel feeOn-time62%
Air IndiaCheapest$894Average$1,341FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$901Average$1,434FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$910Average$960FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$945Average$1,219FlexibilityNo cancel feeOn-time68%
SriLankan AirlinesCheapest$1,267Average$1,674FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,352Average$1,861FlexibilityNo cancel feeOn-time75%
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.
View all available airlines