HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colombo

$459+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
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 February, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Friday

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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$922
(Ovago)

One-way from

$459
(StudentUniverse)

Popular in

December

Cheapest in

September

Average price

$1,925
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
High demand for flights, 8% potential price rise
Search Deals
Best time to find cheap flights, 4% potential price drop
Search Deals
Average for round-trip flights in December 2024
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 December 19, 2024.

This SmartFares deal was found by Cheapflights users on 12/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:30 pmIAD - CMB
1 stop31h 10mEtihad Airways
Thu 1/169:40 amCMB - IAD
1 stop41h 15mEtihad Airways
Deal found 12/18$1,605
This FlightHub deal was found by Cheapflights users on 12/18. 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 12/2510:35 amIAD - CMB
1 stop20h 25mQatar Airways
Thu 1/233:25 amCMB - IAD
1 stop23h 00mQatar Airways
Deal found 12/18$1,744
This oojo deal was found by Cheapflights users on 12/18. 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.
Fri 12/2710:30 amIAD - CMB
2 stops45h 25mEmirates
Sat 1/258:15 pmCMB - IAD
2 stops46h 25mEmirates
Deal found 12/18$1,747
This FlightHub deal was found by Cheapflights users on 12/18. 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.
Tue 12/3112:38 pmIAD - CMB
2 stops37h 22mAir Canada
Thu 1/169:55 amCMB - IAD
2 stops38h 26mAir Canada
Deal found 12/18$1,805
This Flightnetwork deal was found by Cheapflights users on 12/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/249:30 pmIAD - CMB
1 stop31h 10mMultiple Airlines
Fri 1/244:00 pmCMB - IAD
2 stops38h 00mMultiple Airlines
Deal found 12/18$1,870
This Booking.com deal was found by Cheapflights users on 12/18. 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.
Tue 12/249:25 pmIAD - CMB
2 stops31h 05mIndiGo
Fri 1/244:00 pmCMB - IAD
2 stops38h 00mIndiGo
Deal found 12/18$2,046
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Mon 12/236:00 pmIAD - CMB
2 stops22h 25mBritish Airways
Thu 1/97:30 pmCMB - IAD
2 stops30h 35mBritish Airways
Deal found 12/18$2,294

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 2,558,603 searches. Data last updated December 19, 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

Mon 2/10

9:30 pm-8:35 pm

1 stop36h 35m

Colombo Bandaranaike Intl

Mon 2/24

4:20 am-4:25 pm

1 stop22h 35m

$915

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 3/11

10:25 pm-1:15 pm

1 stop29h 20m

Colombo Bandaranaike Intl

Wed 3/26

7:15 am-8:30 pm

1 stop22h 45m

$949

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 3/13

9:05 pm-1:55 am

1 stop19h 20m

Colombo Bandaranaike Intl

Sun 3/23

11:15 am-4:55 pm

1 stop39h 10m

$956

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 3/13

10:30 pm-12:50 pm

2 stops28h 50m

Colombo Bandaranaike Intl

Sun 3/30

3:30 am-4:35 pm

2 stops46h 35m

$1,012

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 3/11

9:05 pm-2:55 am

1 stop20h 20m

Colombo Bandaranaike Intl

Fri 3/21

3:25 am-4:55 pm

1 stop23h 00m

$1,119

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 3/13

3:00 pm-3:00 pm

2 stops38h 30m

Colombo Bandaranaike Intl

Sun 3/23

4:00 pm-8:30 pm

2 stops38h 00m

$1,159

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 4/9

10:55 am-6:30 pm

2 stops22h 05m

Colombo Bandaranaike Intl

Mon 4/21

3:05 am-8:40 am

1 stop39h 05m

$1,343

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 3/12

10:30 pm-3:10 am

1 stop19h 10m

$459

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 3/12

10:30 pm-12:50 pm

2 stops28h 50m

$485

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 12/25

10:35 am-5:30 pm

1 stop20h 25m

$1,082

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 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 December.
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*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
FareScanPrice Accuracy3 starsTrust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
KAYAKPrice Accuracy-Trust Score*3 stars
OvagoPrice 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 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 December 13, 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 $1,697). 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 December 19, 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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 11% 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 December 19, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Colombo, such as Etihad Airways, Qatar Airways and IndiGo. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,410 reviews

Food

7.9

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

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
3,410 reviews
Emirates
8.1
Very good
3,410 reviews

Food

7.9

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

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.

Singapore Airlines
8.1
Very good
1,331 reviews
Emirates
8.1
Very good
3,410 reviews

Food

7.9

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

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
3,792 reviews
Emirates
8.1
Very good
3,410 reviews

Food

7.9

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

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
1,206 reviews
Emirates
8.1
Very good
3,410 reviews

Food

7.9

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

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.

Gulf Air
7.3
Good
222 reviews
Emirates
8.1
Very good
3,410 reviews

Food

7.9

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Boarding

8.1

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 ($922), Qatar Airways ($967), and IndiGo ($1,160) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport. Users have found that Etihad Airways is 28% 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 $459. However, be on the lookout for offers from Qatar Airways and Emirates, 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, Aspire Tower, and Katara Cultural Village are the most popular attractions in Doha if you're in need of something to do during your layover. Museum of Islamic Art, Aspire Tower, and Katara Cultural Village can be accessed by traveling approximately 5.2 mi, 10.6 mi, and 8.7 mi, respectively from Doha Hamad Intl. Travelers can rent a car at Doha Hamad Intl for an average daily rate of $36 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 $1,697). 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$756Average$1,337FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$851Average$1,541FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$901Average$1,434FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$910Average$960FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$940Average$1,204FlexibilityNo cancel feeOn-time68%
Air IndiaCheapest$984Average$1,411FlexibilityNo cancel feeOn-timeN/A
SriLankan AirlinesCheapest$1,267Average$1,674FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,350Average$1,865FlexibilityNo 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.