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Cheap flights from Colombo Bandaranaike Intl Airport to Washington, D.C. from $604

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colombo Bandaranaike Intl Airport to Washington, D.C. departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colombo Bandaranaike Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 pm - 3:30 pm
CMB
-
IAD
31h 20m
2 stops
Multiple Airlines Logo
10:10 pm - 6:25 pm
IAD
-
CMB
33h 45m
3 stops
$999Multiple Airlines
Mon, Nov 30 - Thu, Dec 31
Multiple Airlines Logo
1:10 pm - 2:22 pm
CMB
-
IAD
34h 42m
2 stops
Multiple Airlines Logo
9:10 pm - 8:20 am
IAD
-
CMB
25h 40m
2 stops
$1,052Multiple Airlines
Tue, Sep 29 - Thu, Oct 29
Multiple Airlines Logo
2:40 am - 8:05 pm
CMB
-
IAD
27h 55m
2 stops
Multiple Airlines Logo
4:30 pm - 5:25 am
IAD
-
CMB
26h 25m
2 stops
$1,055Multiple Airlines
Fri, Dec 4 - Sat, Dec 12
Multiple Airlines Logo
8:15 pm - 4:45 pm
CMB
-
IAD
55h 00m
3 stops
Multiple Airlines Logo
4:30 pm - 5:25 am
IAD
-
CMB
26h 25m
2 stops
$1,062Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
Etihad Airways Logo
4:10 am - 9:45 am
CMB
-
IAD
39h 05m
1 stop
Etihad Airways Logo
3:10 pm - 8:35 pm
IAD
-
CMB
19h 55m
1 stop
$1,089Etihad Airways
Mon, Jul 27 - Mon, Aug 24
Etihad Airways Logo
10:00 am - 9:45 am
CMB
-
IAD
33h 15m
1 stop
Etihad Airways Logo
3:10 pm - 8:35 am
IAD
-
CMB
31h 55m
1 stop
$1,093Etihad Airways
Mon, Jul 27 - Mon, Aug 24
Etihad Airways Logo
9:50 pm - 9:45 am
CMB
-
IAD
21h 25m
1 stop
Etihad Airways Logo
2:35 pm - 8:15 am
IAD
-
CMB
31h 10m
1 stop
$1,100Etihad Airways
Fri, Oct 23 - Mon, Nov 2
Multiple Airlines Logo
3:25 am - 7:00 pm
CMB
-
IAD
25h 05m
2 stops
Multiple Airlines Logo
5:51 pm - 5:00 am
IAD
-
CMB
25h 39m
2 stops
$1,109Multiple Airlines
Tue, Sep 29 - Thu, Oct 29
Qatar Airways Logo
8:20 pm - 3:40 pm
CMB
-
IAD
28h 50m
1 stop
Qatar Airways Logo
9:00 pm - 9:00 am
IAD
-
CMB
26h 30m
1 stop
$1,111Qatar Airways
Wed, Jul 22 - Fri, Aug 21
Etihad Airways Logo
9:50 pm - 9:45 am
CMB
-
IAD
21h 25m
1 stop
Etihad Airways Logo
3:35 pm - 8:15 am
IAD
-
CMB
31h 10m
1 stop
$1,115Etihad Airways
Tue, Sep 29 - Thu, Oct 29

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Qatar Airways flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Qatar Airways deals on Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Qatar Airways
Jul 22
CMB8:20 pmColombo Bandaranaike Intl
28h 50m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Aug 21
IAD9:00 pmWashington, D.C. Dulles Intl
26h 30m
1 stop
CMB9:00 amColombo Bandaranaike Intl
$1,111
Qatar Airways
Jul 21
CMB3:35 amColombo Bandaranaike Intl
21h 35m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Aug 21
IAD9:00 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
CMB3:05 amColombo Bandaranaike Intl
$1,120
Qatar Airways
Oct 23
CMB8:20 pmColombo Bandaranaike Intl
21h 55m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Nov 2
IAD8:05 pmWashington, D.C. Dulles Intl
20h 10m
1 stop
CMB2:45 amColombo Bandaranaike Intl
$1,171

Etihad Airways flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Etihad Airways deals on Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Etihad Airways
Jul 27
CMB4:10 amColombo Bandaranaike Intl
39h 05m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Aug 24
IAD3:10 pmWashington, D.C. Dulles Intl
19h 55m
1 stop
CMB8:35 pmColombo Bandaranaike Intl
$1,089
Etihad Airways
Jul 27
CMB10:00 amColombo Bandaranaike Intl
33h 15m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Aug 24
IAD3:10 pmWashington, D.C. Dulles Intl
31h 55m
1 stop
CMB8:35 amColombo Bandaranaike Intl
$1,093
Etihad Airways
Oct 23
CMB9:50 pmColombo Bandaranaike Intl
21h 25m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Nov 2
IAD2:35 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
CMB8:15 amColombo Bandaranaike Intl
$1,100

momondo Fare Finder

 
Customize your flight search to find flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated July 6, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 11/30

6:40 pm-3:30 pm

2 stops31h 20m

Washington, D.C. Dulles Intl

Thu 12/31

10:10 pm-6:25 pm

3 stops33h 45m

$999

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/29

1:10 pm-2:22 pm

2 stops34h 42m

Washington, D.C. Dulles Intl

Thu 10/29

9:10 pm-8:20 am

2 stops25h 40m

$1,052

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 12/4

2:40 am-8:05 pm

2 stops27h 55m

Washington, D.C. Dulles Intl

Sat 12/12

4:30 pm-5:25 am

2 stops26h 25m

$1,055

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sat 12/5

8:15 pm-4:45 pm

3 stops55h 00m

Washington, D.C. Dulles Intl

Sat 12/12

4:30 pm-5:25 am

2 stops26h 25m

$1,062

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 7/27

4:10 am-9:45 am

1 stop39h 05m

Washington, D.C. Dulles Intl

Mon 8/24

3:10 pm-8:35 pm

1 stop19h 55m

$1,089

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 7/27

10:00 am-9:45 am

1 stop33h 15m

Washington, D.C. Dulles Intl

Mon 8/24

3:10 pm-8:35 am

1 stop31h 55m

$1,093

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 10/23

9:50 pm-9:45 am

1 stop21h 25m

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-8:15 am

1 stop31h 10m

$1,100
Quickest round-trip

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/29

3:25 am-7:00 pm

2 stops25h 05m

Washington, D.C. Dulles Intl

Thu 10/29

5:51 pm-5:00 am

2 stops25h 39m

$1,109

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 7/22

8:20 pm-3:40 pm

1 stop28h 50m

Washington, D.C. Dulles Intl

Fri 8/21

9:00 pm-9:00 am

1 stop26h 30m

$1,111

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/29

9:50 pm-9:45 am

1 stop21h 25m

Washington, D.C. Dulles Intl

Thu 10/29

3:35 pm-8:15 am

1 stop31h 10m

$1,115

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Colombo Bandaranaike Intl Airport and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, January is the cheapest month to fly from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $907.

Can stopping save me money on Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flight.

How have Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2026, prices for Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport (CMB to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

21h 25m

Direct flights

None
The fastest flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport takes 21h 25m
There are no direct flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

  • How far is Colombo Bandaranaike Intl to Washington, D.C. Dulles Intl by plane?

    Colombo Bandaranaike Intl and Washington, D.C. Dulles Intl are 8927.8 mi apart from one another. A reasonable flight in good conditions will take 21h 25m.

  • When did momondo last update prices for flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $994Free CancellationRating
7.3
3,742 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $1,046Free CancellationRating
7.3
1,476 reviews
Search Etihad Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from Colombo to Washington, D.C.?

It is quick and easy to find Colombo to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Colombo to Washington, D.C. with flexible booking policies on momondo?

Flights from Colombo to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Colombo to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Colombo.

I’m not ready to book a flight from Colombo to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Colombo to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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