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Cheap flights from Colombo Bandaranaike Intl Airport to Washington, D.C. from $544

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 10/3. 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. (CMB-IAD)

Cheap round-trip flights

Logo
6:25 pm - 4:15 pmCMB-IAD
31h 20m2 stops
Logo
8:45 pm - 4:55 amIAD-CMB
22h 40m2 stops
$860
Find Deal
Wed, Sep 17 - Wed, Sep 24
Air India Logo
5:05 pm - 11:15 amCMB-IAD
27h 40m2 stops
Air India Logo
1:15 pm - 4:05 pmIAD-CMB
41h 20m1 stop
$972Air India
Find Deal
Tue, Sep 9 - Wed, Oct 1
Air India Logo
8:20 am - 11:15 amCMB-IAD
36h 25m1 stop
Air India Logo
1:15 pm - 7:20 amIAD-CMB
32h 35m1 stop
$1,012Air India
Find Deal
Tue, Sep 9 - Wed, Oct 1
Logo
2:45 am - 3:30 pmCMB-IAD
47h 15m2 stops
Logo
6:30 pm - 12:30 pmIAD-CMB
55h 30m2 stops
$1,045
Find Deal
Mon, Dec 1 - Mon, Jan 5
Air Canada Logo
1:05 pm - 11:13 amCMB-IAD
55h 38m2 stops
Air Canada Logo
9:35 am - 12:45 pmIAD-CMB
41h 40m2 stops
$1,195Air Canada
Find Deal
Tue, Sep 9 - Wed, Oct 1
Air Canada Logo
1:05 pm - 11:13 amCMB-IAD
55h 38m2 stops
Air Canada Logo
1:00 pm - 12:45 pmIAD-CMB
38h 15m2 stops
$1,205Air Canada
Find Deal
Tue, Sep 9 - Wed, Oct 1
Etihad Airways Logo
9:50 pm - 4:10 pmCMB-IAD
27h 50m1 stop
Etihad Airways Logo
10:05 pm - 8:30 amIAD-CMB
24h 55m1 stop
$1,215Etihad Airways
Find Deal
Tue, Sep 9 - Wed, Oct 1
Qatar Airways Logo
3:35 am - 3:40 pmCMB-IAD
21h 35m1 stop
Qatar Airways Logo
9:00 pm - 3:05 amIAD-CMB
20h 35m1 stop
$1,251Qatar Airways
Find Deal
Tue, Sep 16 - Wed, Sep 24
Qatar Airways Logo
3:35 am - 3:40 pmCMB-IAD
21h 35m1 stop
Qatar Airways Logo
9:00 pm - 3:05 amIAD-CMB
20h 35m1 stop
$1,257Qatar Airways
Find Deal
Mon, Sep 8 - Wed, Oct 1
Etihad Airways Logo
9:50 am - 4:05 pmCMB-IAD
40h 45m1 stop
Etihad Airways Logo
9:10 pm - 8:20 pmIAD-CMB
36h 40m1 stop
$1,267Etihad Airways
Find Deal
Tue, Dec 2 - Mon, Jan 5

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
Sep 9
CMB9:50 pmColombo Bandaranaike Intl
27h 50m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
Oct 1
IAD10:05 pmWashington, D.C. Dulles Intl
24h 55m
1 stop
CMB8:30 amColombo Bandaranaike Intl
$1,215
Find similar
Etihad Airways
Dec 2
CMB9:50 amColombo Bandaranaike Intl
40h 45m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Jan 5
IAD9:10 pmWashington, D.C. Dulles Intl
36h 40m
1 stop
CMB8:20 pmColombo Bandaranaike Intl
$1,267
Find similar
Etihad Airways
Sep 18
CMB9:50 pmColombo Bandaranaike Intl
27h 50m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
Dec 28
IAD9:10 pmWashington, D.C. Dulles Intl
24h 35m
1 stop
CMB8:15 amColombo Bandaranaike Intl
$1,293
Find similar

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 9
CMB1:05 pmColombo Bandaranaike Intl
55h 38m
2 stops
IAD11:13 amWashington, D.C. Dulles Intl
Oct 1
IAD9:35 amWashington, D.C. Dulles Intl
41h 40m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,195
Find similar
Air Canada
Sep 9
CMB1:05 pmColombo Bandaranaike Intl
55h 38m
2 stops
IAD11:13 amWashington, D.C. Dulles Intl
Oct 1
IAD1:00 pmWashington, D.C. Dulles Intl
38h 15m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,205
Find similar
Air Canada
Sep 16
CMB3:25 amColombo Bandaranaike Intl
39h 43m
3 stops
IAD9:38 amWashington, D.C. Dulles Intl
Sep 24
IAD3:41 pmWashington, D.C. Dulles Intl
35h 34m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
$1,265
Find similar

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 August 5, 2025.
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

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 9/17

6:25 pm-4:15 pm

2 stops31h 20m

Washington, D.C. Dulles Intl

Wed 9/24

8:45 pm-4:55 am

2 stops22h 40m

$860

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

5:05 pm-11:15 am

2 stops27h 40m

Washington, D.C. Dulles Intl

Wed 10/1

1:15 pm-4:05 pm

1 stop41h 20m

$972

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

8:20 am-11:15 am

1 stop36h 25m

Washington, D.C. Dulles Intl

Wed 10/1

1:15 pm-7:20 am

1 stop32h 35m

$1,012

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 12/1

2:45 am-3:30 pm

2 stops47h 15m

Washington, D.C. Dulles Intl

Mon 1/5

6:30 pm-12:30 pm

2 stops55h 30m

$1,045

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

1:05 pm-11:13 am

2 stops55h 38m

Washington, D.C. Dulles Intl

Wed 10/1

9:35 am-12:45 pm

2 stops41h 40m

$1,195

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

1:05 pm-11:13 am

2 stops55h 38m

Washington, D.C. Dulles Intl

Wed 10/1

1:00 pm-12:45 pm

2 stops38h 15m

$1,205

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/9

9:50 pm-4:10 pm

1 stop27h 50m

Washington, D.C. Dulles Intl

Wed 10/1

10:05 pm-8:30 am

1 stop24h 55m

$1,215

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 9/16

3:35 am-3:40 pm

1 stop21h 35m

Washington, D.C. Dulles Intl

Wed 9/24

9:00 pm-3:05 am

1 stop20h 35m

$1,251

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Mon 9/8

3:35 am-3:40 pm

1 stop21h 35m

Washington, D.C. Dulles Intl

Wed 10/1

9:00 pm-3:05 am

1 stop20h 35m

$1,257

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 12/2

9:50 am-4:05 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Mon 1/5

9:10 pm-8:20 pm

1 stop36h 40m

$1,267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

In general, December 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 $945. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $950.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,248. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport for around $1,824.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Colombo Bandaranaike Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,385 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,725 on average. Flights to Washington, D.C. Dulles Intl Airport from Colombo Bandaranaike Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 25% 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

Best Price Found

$544

Fastest flight time

20h 05m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Colombo Bandaranaike Intl Airport in the past 72 hours is $544. The best round-trip flight deal from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $860.
The fastest flight from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport takes 20h 05m
There are no direct flights from Colombo Bandaranaike Intl Airport to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Colombo Bandaranaike Intl Airport - 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 35m.

  • 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 $929Free CancellationRating
7.4
3,608 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $942Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $1,267Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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

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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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