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Cheap flights from Washington, D.C. to Colombo from $401

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Colombo departing on 1/31. 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 Washington, D.C. to Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
3:35 pm - 2:50 am
IAD
-
CMB
25h 45m1 stop
Etihad Airways Logo
4:30 pm - 9:45 am
CMB
-
IAD
26h 45m1 stop
$890Etihad Airways
Wed, Mar 11 - Sun, Mar 29
Etihad Airways Logo
2:35 pm - 3:15 pm
IAD
-
CMB
38h 10m1 stop
Etihad Airways Logo
4:05 am - 9:45 am
CMB
-
IAD
39h 10m1 stop
$891Etihad Airways
Thu, Mar 5 - Sun, Mar 29
Etihad Airways Logo
2:35 pm - 3:15 pm
IAD
-
CMB
38h 10m1 stop
Etihad Airways Logo
9:50 am - 9:05 am
CMB
-
IAD
33h 45m1 stop
$892Etihad Airways
Sun, Jan 11 - Fri, Jan 30
Qatar Airways Logo
9:05 pm - 2:45 am
IAD
-
CMB
20h 10m1 stop
Qatar Airways Logo
8:20 pm - 8:45 am
CMB
-
IAD
21h 55m1 stop
$906Qatar Airways
Fri, Mar 27 - Thu, Apr 9
Qatar Airways Logo
8:05 pm - 2:45 am
IAD
-
CMB
20h 10m1 stop
Qatar Airways Logo
10:15 am - 3:55 pm
CMB
-
IAD
40h 10m1 stop
$911Qatar Airways
Sat, Jan 17 - Fri, Jan 30
Multiple Airlines Logo
6:50 pm - 12:30 pm
DCA
-
CMB
31h 10m2 stops
Multiple Airlines Logo
12:25 am - 9:58 pm
CMB
-
DCA
31h 03m2 stops
$964Multiple Airlines
Wed, Mar 4 - Tue, Mar 24
Multiple Airlines Logo
6:50 pm - 12:30 pm
DCA
-
CMB
31h 10m2 stops
Multiple Airlines Logo
12:25 am - 9:58 pm
CMB
-
DCA
32h 03m2 stops
$969Multiple Airlines
Mon, Jan 19 - Sat, Jan 31
Air Canada Logo
4:15 pm - 5:25 am
DCA
-
CMB
26h 40m2 stops
Air Canada Logo
12:25 am - 9:53 pm
CMB
-
DCA
30h 58m2 stops
$991Air Canada
Thu, Mar 5 - Sat, Mar 28
Air Canada Logo
9:40 am - 5:25 am
DCA
-
CMB
33h 15m2 stops
Air Canada Logo
12:25 am - 7:59 pm
CMB
-
DCA
30h 04m2 stops
$997Air Canada
Thu, Jan 15 - Sat, Jan 31
Singapore Airlines Logo
8:00 am - 10:45 am
BWI
-
CMB
40h 15m2 stops
Singapore Airlines Logo
12:15 pm - 6:34 am
CMB
-
BWI
28h 49m2 stops
$1,337Singapore Airlines
Sun, Feb 1 - Thu, Feb 19

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

Our best Qatar Airways deals on Washington, D.C. to Colombo Bandaranaike Intl Airport flight tickets
Qatar Airways
Mar 27
IAD9:05 pmWashington, D.C. Dulles Intl
20h 10m
1 stop
CMB2:45 amColombo Bandaranaike Intl
Apr 9
CMB8:20 pmColombo Bandaranaike Intl
21h 55m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
$906
Find similar
Qatar Airways
Jan 17
IAD8:05 pmWashington, D.C. Dulles Intl
20h 10m
1 stop
CMB2:45 amColombo Bandaranaike Intl
Jan 30
CMB10:15 amColombo Bandaranaike Intl
40h 10m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$911
Find similar
Qatar Airways
Feb 15
IAD10:40 amWashington, D.C. Dulles Intl
28h 45m
1 stop
CMB1:55 amColombo Bandaranaike Intl
Feb 19
CMB11:15 amColombo Bandaranaike Intl
31h 35m
1 stop
IAD8:20 amWashington, D.C. Dulles Intl
$927
Find similar

Emirates flights from Washington, D.C. to Colombo Bandaranaike Intl Airport

Our best Emirates deals on Washington, D.C. to Colombo Bandaranaike Intl Airport flight tickets
Emirates
Jan 13
DCA3:30 pmWashington, D.C. Reagan-National
43h 55m
2 stops
CMB9:55 pmColombo Bandaranaike Intl
Jan 28
CMB8:15 pmColombo Bandaranaike Intl
35h 14m
3 stops
DCA8:59 pmWashington, D.C. Reagan-National
$1,699
Find similar
Emirates
Jan 5
DCA12:45 pmWashington, D.C. Reagan-National
43h 10m
3 stops
CMB6:25 pmColombo Bandaranaike Intl
Jan 26
CMB8:15 pmColombo Bandaranaike Intl
35h 14m
3 stops
DCA8:59 pmWashington, D.C. Reagan-National
$1,718
Find similar
Emirates
Dec 10
DCA12:40 pmWashington, D.C. Reagan-National
33h 10m
2 stops
CMB8:20 amColombo Bandaranaike Intl
Mar 10
CMB8:15 pmColombo Bandaranaike Intl
36h 02m
3 stops
DCA10:47 pmWashington, D.C. Reagan-National
$2,559
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Colombo Bandaranaike 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 December 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 3/11

3:35 pm-2:50 am

1 stop25h 45m

Colombo Bandaranaike Intl

Sun 3/29

4:30 pm-9:45 am

1 stop26h 45m

$890

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 3/5

2:35 pm-3:15 pm

1 stop38h 10m

Colombo Bandaranaike Intl

Sun 3/29

4:05 am-9:45 am

1 stop39h 10m

$891

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 1/11

2:35 pm-3:15 pm

1 stop38h 10m

Colombo Bandaranaike Intl

Fri 1/30

9:50 am-9:05 am

1 stop33h 45m

$892

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 3/27

9:05 pm-2:45 am

1 stop20h 10m

Colombo Bandaranaike Intl

Thu 4/9

8:20 pm-8:45 am

1 stop21h 55m

$906

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 1/17

8:05 pm-2:45 am

1 stop20h 10m

Colombo Bandaranaike Intl

Fri 1/30

10:15 am-3:55 pm

1 stop40h 10m

$911

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Wed 3/4

6:50 pm-12:30 pm

2 stops31h 10m

Colombo Bandaranaike Intl

Tue 3/24

12:25 am-9:58 pm

2 stops31h 03m

$964

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Mon 1/19

6:50 pm-12:30 pm

2 stops31h 10m

Colombo Bandaranaike Intl

Sat 1/31

12:25 am-9:58 pm

2 stops32h 03m

$969

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Thu 3/5

4:15 pm-5:25 am

2 stops26h 40m

Colombo Bandaranaike Intl

Sat 3/28

12:25 am-9:53 pm

2 stops30h 58m

$991

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Thu 1/15

9:40 am-5:25 am

2 stops33h 15m

Colombo Bandaranaike Intl

Sat 1/31

12:25 am-7:59 pm

2 stops30h 04m

$997

BaltimoreColombo

BWI - CMB

BWICMB

Baltimore/Washington

Sun 2/1

8:00 am-10:45 am

2 stops40h 15m

Colombo Bandaranaike Intl

Thu 2/19

12:15 pm-6:34 am

2 stops28h 49m

$1,337

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 Colombo from

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

What is the cheapest month to fly to Colombo Bandaranaike Intl Airport?

If you aren’t able to travel during the month of September, then book flights to Colombo Bandaranaike Intl Airport from Washington, D.C. during February instead. Flights to Colombo Bandaranaike Intl Airport in February, while not as cheap as those in September, still average around $881.

What is the cheapest day to depart on your flight to Colombo Bandaranaike Intl Airport?

On average, the least expensive day to fly to Colombo Bandaranaike Intl Airport from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,246. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Colombo Bandaranaike Intl Airport for around $1,333.

What is the cheapest time of day to depart on your flight to Colombo Bandaranaike Intl Airport?

In the evening is the cheapest time of day to fly from Washington, D.C. to Colombo Bandaranaike Intl Airport when you can find flight prices for as low as $1,238. Flying to Colombo Bandaranaike Intl Airport in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Colombo Bandaranaike Intl Airport, so prices are often more expensive at around $1,277 per ticket.

How far in advance should I book a flight to Colombo Bandaranaike Intl Airport?

You are more likely to see cheaper flights to Colombo Bandaranaike Intl Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo Bandaranaike Intl Airport for around $1,058 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo Bandaranaike Intl Airport from Washington, D.C. for as low as $948 on momondo.

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

You could potentially save up to 17% on your flight if you consider stops on a Washington, D.C. to Colombo Bandaranaike Intl Airport flight.

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

As of December 2025, prices for Washington, D.C. to Colombo Bandaranaike Intl Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

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

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

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

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

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Colombo Bandaranaike Intl Airport takes 19h 15m
There are no direct flights from Washington, D.C. to Colombo Bandaranaike Intl Airport. There are no popular flight routes from Washington, D.C. to Colombo Bandaranaike Intl Airport.
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  • How far is Washington, D.C. to Colombo Bandaranaike Intl by plane?

    A flight from Washington, D.C. to Colombo Bandaranaike Intl will travel around 8919.3 mi. Flights usually cover this in 19h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. to Colombo Bandaranaike Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Colombo Bandaranaike Intl Airport?

    The necessary travel and health documents for your Colombo Bandaranaike Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Colombo Bandaranaike Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom $754Free CancellationRating
7.4
1,329 reviews
Search Etihad Airways flights
Air IndiaPriceFrom $830Free CancellationRating
5.5
2,950 reviews
Search Air India flights
Qatar AirwaysPriceFrom $877Free CancellationRating
7.4
3,676 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $884Free CancellationRating
7.3
4,079 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $900Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $954Free CancellationRating
8.0
11,403 reviews
Search Alaska Airlines flights
JetBluePriceFrom $985Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
IndiGoPriceFrom $1,082Free CancellationRating
6.9
502 reviews
Search IndiGo flights
EmiratesPriceFrom $1,361Free CancellationRating
8.1
3,430 reviews
Search Emirates flights

Traveling to a place near Colombo?

Book flights to Colombo if you plan to visit one of these locations
Negombo
Marawila

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Colombo for you.

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

Yes. All flights to Colombo from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington, D.C. to Colombo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Colombo from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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