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Cheap flights from Colombo Bandaranaike Intl Airport to Washington, D.C. from $600

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 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
6:40 pm - 3:30 pm
CMB
-
IAD
30h 20m
2 stops
Multiple Airlines Logo
8:30 pm - 3:55 pm
IAD
-
CMB
32h 55m
2 stops
$886Multiple Airlines
Sun, Oct 25 - Tue, Nov 24
Multiple Airlines Logo
6:40 pm - 5:40 pm
CMB
-
IAD
32h 30m
2 stops
Multiple Airlines Logo
10:55 pm - 5:00 am
IAD
-
CMB
43h 35m
2 stops
$891Multiple Airlines
Thu, Oct 29 - Thu, Nov 26
Multiple Airlines Logo
5:15 pm - 4:45 pm
CMB
-
IAD
33h 00m
2 stops
Multiple Airlines Logo
8:30 pm - 3:55 pm
IAD
-
CMB
32h 55m
2 stops
$1,059Multiple Airlines
Tue, Oct 6 - Thu, Nov 5
Multiple Airlines Logo
1:10 pm - 2:21 pm
CMB
-
IAD
34h 41m
2 stops
Multiple Airlines Logo
8:30 pm - 3:55 pm
IAD
-
CMB
32h 55m
2 stops
$1,066Multiple Airlines
Mon, Jun 22 - Thu, Nov 19
Multiple Airlines Logo
2:10 pm - 7:25 pm
CMB
-
IAD
38h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 3:55 pm
IAD
-
CMB
32h 55m
2 stops
$1,074Multiple Airlines
Thu, Jun 18 - Thu, Nov 19
Multiple Airlines Logo
8:15 pm - 5:40 pm
CMB
-
IAD
54h 55m
3 stops
Multiple Airlines Logo
4:30 pm - 5:25 am
IAD
-
CMB
26h 25m
2 stops
$1,077Multiple Airlines
Sun, Oct 25 - Tue, Nov 24
Multiple Airlines Logo
2:10 pm - 7:25 pm
CMB
-
IAD
38h 45m
2 stops
Multiple Airlines Logo
10:55 pm - 5:00 am
IAD
-
CMB
43h 35m
2 stops
$1,078Multiple Airlines
Thu, Jun 18 - Thu, Nov 26
Multiple Airlines Logo
8:15 pm - 4:40 pm
CMB
-
IAD
54h 55m
3 stops
Multiple Airlines Logo
9:55 am - 12:35 pm
IAD
-
CMB
40h 10m
2 stops
$1,088Multiple Airlines
Tue, Nov 3 - Sat, Nov 21
Multiple Airlines Logo
5:15 pm - 4:45 pm
CMB
-
IAD
33h 00m
2 stops
Multiple Airlines Logo
6:00 pm - 8:20 am
IAD
-
CMB
27h 50m
2 stops
$1,188Multiple Airlines
Thu, Jul 23 - Sat, Nov 7
Multiple Airlines Logo
11:45 am - 3:30 pm
CMB
-
IAD
38h 15m
1 stop
Multiple Airlines Logo
5:20 pm - 5:00 am
IAD
-
CMB
25h 10m
2 stops
$1,217Multiple Airlines
Tue, Nov 3 - Sat, Nov 21

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
Sep 22
CMB3:25 amColombo Bandaranaike Intl
25h 05m
2 stops
IAD7:00 pmWashington, D.C. Dulles Intl
Oct 20
IAD5:57 pmWashington, D.C. Dulles Intl
33h 18m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,242
Air Canada
Sep 12
CMB3:25 amColombo Bandaranaike Intl
45h 05m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl
Oct 8
IAD9:45 amWashington, D.C. Dulles Intl
33h 30m
2 stops
CMB4:45 amColombo Bandaranaike Intl
$1,246
Air Canada
Oct 23
CMB1:10 pmColombo Bandaranaike Intl
39h 20m
2 stops
IAD7:00 pmWashington, D.C. Dulles Intl
Nov 2
IAD10:10 pmWashington, D.C. Dulles Intl
44h 45m
2 stops
CMB5:25 amColombo Bandaranaike Intl
$1,247

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
Jun 2
CMB9:50 pmColombo Bandaranaike Intl
21h 25m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Oct 26
IAD3:35 pmWashington, D.C. Dulles Intl
19h 15m
1 stop
CMB8:20 pmColombo Bandaranaike Intl
$1,756
Etihad Airways
Jun 2
CMB9:50 pmColombo Bandaranaike Intl
21h 25m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Oct 22
IAD3:10 pmWashington, D.C. Dulles Intl
19h 55m
1 stop
CMB8:35 pmColombo Bandaranaike Intl
$1,762
Etihad Airways
May 20
CMB10:00 amColombo Bandaranaike Intl
33h 15m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
May 26
IAD3:10 pmWashington, D.C. Dulles Intl
31h 55m
1 stop
CMB8:35 amColombo Bandaranaike Intl
$1,763

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 May 20, 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 10/25

6:40 pm-3:30 pm

2 stops30h 20m

Washington, D.C. Dulles Intl

Tue 11/24

8:30 pm-3:55 pm

2 stops32h 55m

$886

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 10/29

6:40 pm-5:40 pm

2 stops32h 30m

Washington, D.C. Dulles Intl

Thu 11/26

10:55 pm-5:00 am

2 stops43h 35m

$891

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 10/6

5:15 pm-4:45 pm

2 stops33h 00m

Washington, D.C. Dulles Intl

Thu 11/5

8:30 pm-3:55 pm

2 stops32h 55m

$1,059

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 6/22

1:10 pm-2:21 pm

2 stops34h 41m

Washington, D.C. Dulles Intl

Thu 11/19

8:30 pm-3:55 pm

2 stops32h 55m

$1,066

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 6/18

2:10 pm-7:25 pm

2 stops38h 45m

Washington, D.C. Dulles Intl

Thu 11/19

8:30 pm-3:55 pm

2 stops32h 55m

$1,074

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sun 10/25

8:15 pm-5:40 pm

3 stops54h 55m

Washington, D.C. Dulles Intl

Tue 11/24

4:30 pm-5:25 am

2 stops26h 25m

$1,077

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 6/18

2:10 pm-7:25 pm

2 stops38h 45m

Washington, D.C. Dulles Intl

Thu 11/26

10:55 pm-5:00 am

2 stops43h 35m

$1,078

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 11/3

8:15 pm-4:40 pm

3 stops54h 55m

Washington, D.C. Dulles Intl

Sat 11/21

9:55 am-12:35 pm

2 stops40h 10m

$1,088
Quickest round-trip

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 7/23

5:15 pm-4:45 pm

2 stops33h 00m

Washington, D.C. Dulles Intl

Sat 11/7

6:00 pm-8:20 am

2 stops27h 50m

$1,188

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 11/3

11:45 am-3:30 pm

1 stop38h 15m

Washington, D.C. Dulles Intl

Sat 11/21

5:20 pm-5:00 am

2 stops25h 10m

$1,217

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 7% 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 May 2026, prices for Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 14% 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
7.4
3,729 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $1,064Free CancellationRating
7.3
1,438 reviews
Search Etihad Airways flights

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

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Bethesda

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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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