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Cheap flights from Colombo Bandaranaike Intl Airport to Washington, D.C. from $585

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 4/2. 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

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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
12:40 am - 9:45 am
CMB
-
IAD
42h 35m
2 stops
Multiple Airlines Logo
3:10 pm - 8:35 am
IAD
-
CMB
31h 55m
1 stop
$1,022Multiple Airlines
Sun, May 3 - Mon, May 11
Multiple Airlines Logo
9:45 am - 10:25 am
CMB
-
IAD
34h 10m
2 stops
Multiple Airlines Logo
3:10 pm - 8:35 pm
IAD
-
CMB
19h 55m
1 stop
$1,037Multiple Airlines
Sun, Apr 5 - Sun, Apr 26
Multiple Airlines Logo
3:25 am - 8:40 pm
CMB
-
IAD
26h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 3:55 pm
IAD
-
CMB
32h 55m
2 stops
$1,044Multiple Airlines
Tue, Jun 9 - Sun, Nov 8
Multiple Airlines Logo
7:25 am - 10:25 am
CMB
-
IAD
36h 30m
2 stops
Multiple Airlines Logo
2:05 pm - 11:20 am
IAD
-
CMB
35h 45m
2 stops
$1,050Multiple Airlines
Sun, Apr 5 - Mon, Apr 13
Etihad Airways Logo
4:20 pm - 10:25 am
CMB
-
IAD
27h 35m
1 stop
Etihad Airways Logo
3:10 pm - 8:35 pm
IAD
-
CMB
19h 55m
1 stop
$1,069Etihad Airways
Fri, Apr 10 - Fri, Apr 17
Etihad Airways Logo
9:50 pm - 9:45 am
CMB
-
IAD
21h 25m
1 stop
Etihad Airways Logo
3:10 pm - 8:35 pm
IAD
-
CMB
19h 55m
1 stop
$1,113Etihad Airways
Mon, May 4 - Sun, May 17
Etihad Airways Logo
4:10 am - 9:45 am
CMB
-
IAD
39h 05m
1 stop
Etihad Airways Logo
3:10 pm - 3:00 am
IAD
-
CMB
26h 20m
1 stop
$1,137Etihad Airways
Tue, Aug 4 - Wed, Aug 26
Etihad Airways Logo
10:00 am - 9:45 am
CMB
-
IAD
33h 15m
1 stop
Etihad Airways Logo
3:10 pm - 3:00 am
IAD
-
CMB
26h 20m
1 stop
$1,157Etihad Airways
Sat, Aug 8 - Sat, Aug 29
Multiple Airlines Logo
3:45 am - 9:45 am
CMB
-
IAD
39h 30m
2 stops
Multiple Airlines Logo
2:35 pm - 8:20 pm
IAD
-
CMB
19h 15m
1 stop
$1,166Multiple Airlines
Tue, Jun 9 - Sun, Nov 8
Qatar Airways Logo
12:30 pm - 8:40 am
CMB
-
IAD
29h 40m
1 stop
Qatar Airways Logo
11:00 am - 5:45 pm
IAD
-
CMB
21h 15m
1 stop
$1,168Qatar Airways
Mon, May 4 - Mon, May 11

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
Apr 10
CMB4:20 pmColombo Bandaranaike Intl
27h 35m
1 stop
IAD10:25 amWashington, D.C. Dulles Intl
Apr 17
IAD3:10 pmWashington, D.C. Dulles Intl
19h 55m
1 stop
CMB8:35 pmColombo Bandaranaike Intl
$1,069
Etihad Airways
May 4
CMB9:50 pmColombo Bandaranaike Intl
21h 25m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
May 17
IAD3:10 pmWashington, D.C. Dulles Intl
19h 55m
1 stop
CMB8:35 pmColombo Bandaranaike Intl
$1,113
Etihad Airways
Aug 4
CMB4:10 amColombo Bandaranaike Intl
39h 05m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Aug 26
IAD3:10 pmWashington, D.C. Dulles Intl
26h 20m
1 stop
CMB3:00 amColombo Bandaranaike Intl
$1,137

Air Canada flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
May 11
CMB1:10 pmColombo Bandaranaike Intl
39h 18m
2 stops
IAD6:58 pmWashington, D.C. Dulles Intl
Jun 1
IAD3:45 pmWashington, D.C. Dulles Intl
35h 30m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,245
Air Canada
Aug 4
CMB1:10 pmColombo Bandaranaike Intl
59h 44m
2 stops
IAD3:24 pmWashington, D.C. Dulles Intl
Aug 26
IAD9:45 amWashington, D.C. Dulles Intl
41h 30m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,260
Air Canada
Aug 4
CMB1:10 pmColombo Bandaranaike Intl
59h 44m
2 stops
IAD3:24 pmWashington, D.C. Dulles Intl
Aug 26
IAD9:45 amWashington, D.C. Dulles Intl
41h 30m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,265

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 March 26, 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

Sun 5/3

12:40 am-9:45 am

2 stops42h 35m

Washington, D.C. Dulles Intl

Mon 5/11

3:10 pm-8:35 am

1 stop31h 55m

$1,022

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sun 4/5

9:45 am-10:25 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Sun 4/26

3:10 pm-8:35 pm

1 stop19h 55m

$1,037

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/9

3:25 am-8:40 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

Sun 11/8

8:30 pm-3:55 pm

2 stops32h 55m

$1,044

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sun 4/5

7:25 am-10:25 am

2 stops36h 30m

Washington, D.C. Dulles Intl

Mon 4/13

2:05 pm-11:20 am

2 stops35h 45m

$1,050

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 4/10

4:20 pm-10:25 am

1 stop27h 35m

Washington, D.C. Dulles Intl

Fri 4/17

3:10 pm-8:35 pm

1 stop19h 55m

$1,069
Quickest round-trip

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 5/4

9:50 pm-9:45 am

1 stop21h 25m

Washington, D.C. Dulles Intl

Sun 5/17

3:10 pm-8:35 pm

1 stop19h 55m

$1,113

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 8/4

4:10 am-9:45 am

1 stop39h 05m

Washington, D.C. Dulles Intl

Wed 8/26

3:10 pm-3:00 am

1 stop26h 20m

$1,137

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sat 8/8

10:00 am-9:45 am

1 stop33h 15m

Washington, D.C. Dulles Intl

Sat 8/29

3:10 pm-3:00 am

1 stop26h 20m

$1,157

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/9

3:45 am-9:45 am

2 stops39h 30m

Washington, D.C. Dulles Intl

Sun 11/8

2:35 pm-8:20 pm

1 stop19h 15m

$1,166

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 5/4

12:30 pm-8:40 am

1 stop29h 40m

Washington, D.C. Dulles Intl

Mon 5/11

11:00 am-5:45 pm

1 stop21h 15m

$1,168

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?

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

You could potentially save up to 8% 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?

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

  • 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
7.4
3,732 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $1,064Free CancellationRating
7.3
1,430 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $1,280Free CancellationRating
7.1
11,496 reviews
Search American Airlines flights

Traveling to a place near Washington, D.C.?

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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.

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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.

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