Cheap flights from Sri Lanka to Washington, D.C. from $523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sri Lanka to Washington, D.C. departing on 12/23. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Sri Lanka to Washington, D.C.

Recent round-trip flight deals from Sri Lanka to Washington, D.C.

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 9:05 amCMB-IAD
31h 05m3 stops
Multiple Airlines Logo
2:35 pm - 8:15 amIAD-CMB
31h 10m1 stop
$1,026Multiple Airlines
Find Deal
Thu, Feb 19 - Fri, Mar 6
Multiple Airlines Logo
2:40 am - 5:40 pmCMB-IAD
48h 30m2 stops
Multiple Airlines Logo
10:15 pm - 8:25 amIAD-CMB
48h 40m2 stops
$1,047Multiple Airlines
Find Deal
Thu, Mar 26 - Wed, May 27
Multiple Airlines Logo
8:15 pm - 4:20 pmCMB-IAD
53h 35m3 stops
Multiple Airlines Logo
10:15 pm - 8:25 amIAD-CMB
48h 40m2 stops
$1,048Multiple Airlines
Find Deal
Fri, Mar 27 - Wed, May 27
Air Canada Logo
12:25 am - 8:54 pmCMB-IAD
29h 59m2 stops
Air Canada Logo
6:30 pm - 12:45 pmIAD-CMB
32h 45m2 stops
$1,203Air Canada
Find Deal
Thu, Mar 19 - Fri, May 8
Air Canada Logo
12:50 pm - 11:29 amCMB-IAD
56h 09m2 stops
Air Canada Logo
9:00 am - 12:30 pmIAD-CMB
42h 00m2 stops
$1,208Air Canada
Find Deal
Wed, Mar 11 - Sun, Mar 15
Etihad Airways Logo
9:50 am - 9:05 amCMB-IAD
33h 45m1 stop
Etihad Airways Logo
2:35 pm - 3:50 amIAD-CMB
26h 45m1 stop
$1,228Etihad Airways
Find Deal
Thu, Feb 19 - Fri, Mar 6
Qatar Airways Logo
4:15 am - 3:55 pmCMB-IAD
22h 10m1 stop
Qatar Airways Logo
8:05 pm - 3:45 amIAD-CMB
21h 10m1 stop
$1,252Qatar Airways
Find Deal
Wed, Feb 18 - Fri, Mar 6
Etihad Airways Logo
4:00 am - 10:05 amCMB-IAD
39h 35m1 stop
Etihad Airways Logo
3:35 pm - 2:50 amIAD-CMB
25h 45m1 stop
$1,260Etihad Airways
Find Deal
Fri, Mar 20 - Fri, May 8
Qatar Airways Logo
8:50 pm - 4:55 pmCMB-IAD
29h 35m1 stop
Qatar Airways Logo
9:00 pm - 2:05 amIAD-CMB
19h 35m1 stop
$1,387Qatar Airways
Find Deal
Wed, Mar 18 - Wed, May 27
American Airlines Logo
4:15 am - 4:55 pmCMB-IAD
22h 10m1 stop
American Airlines Logo
6:40 am - 2:45 amIAD-CMB
34h 35m2 stops
$1,750American Airlines
Find Deal
Wed, Mar 11 - Sun, Mar 15

Air Canada flights from Sri Lanka to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Sri Lanka to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Mar 19
CMB12:25 amColombo Bandaranaike Intl
29h 59m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
May 8
IAD6:30 pmWashington, D.C. Dulles Intl
32h 45m
2 stops
CMB12:45 pmColombo Bandaranaike Intl
Air Canada
Mar 11
CMB12:50 pmColombo Bandaranaike Intl
56h 09m
2 stops
IAD11:29 amWashington, D.C. Dulles Intl
Mar 15
IAD9:00 amWashington, D.C. Dulles Intl
42h 00m
2 stops
CMB12:30 pmColombo Bandaranaike Intl
Air Canada
Mar 11
CMB12:50 pmColombo Bandaranaike Intl
56h 09m
2 stops
IAD11:29 amWashington, D.C. Dulles Intl
Mar 15
IAD9:00 amWashington, D.C. Dulles Intl
42h 00m
2 stops
CMB12:30 pmColombo Bandaranaike Intl

Etihad Airways flights from Sri Lanka to Washington, D.C. Dulles Intl Airport

Our best Etihad Airways deals on Sri Lanka to Washington, D.C. Dulles Intl Airport flight tickets
Etihad Airways
Feb 19
CMB9:50 amColombo Bandaranaike Intl
33h 45m
1 stop
IAD9:05 amWashington, D.C. Dulles Intl
Mar 6
IAD2:35 pmWashington, D.C. Dulles Intl
26h 45m
1 stop
CMB3:50 amColombo Bandaranaike Intl
Etihad Airways
Mar 20
CMB4:00 amColombo Bandaranaike Intl
39h 35m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
May 8
IAD3:35 pmWashington, D.C. Dulles Intl
25h 45m
1 stop
CMB2:50 amColombo Bandaranaike Intl
Etihad Airways
Mar 20
CMB4:00 amColombo Bandaranaike Intl
39h 35m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
May 8
IAD3:35 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
CMB8:30 amColombo Bandaranaike Intl

momondo Fare Finder

 
Customize your flight search to find flights from Sri Lanka 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 November 10, 2025.
Use the filters below to find and compare flights from Sri Lanka 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

Thu 2/19

12:30 pm-9:05 am

3 stops31h 05m

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-8:15 am

1 stop31h 10m

$1,026

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 3/26

2:40 am-5:40 pm

2 stops48h 30m

Washington, D.C. Dulles Intl

Wed 5/27

10:15 pm-8:25 am

2 stops48h 40m

$1,047

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 3/27

8:15 pm-4:20 pm

3 stops53h 35m

Washington, D.C. Dulles Intl

Wed 5/27

10:15 pm-8:25 am

2 stops48h 40m

$1,048

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 3/19

12:25 am-8:54 pm

2 stops29h 59m

Washington, D.C. Dulles Intl

Fri 5/8

6:30 pm-12:45 pm

2 stops32h 45m

$1,203

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 3/11

12:50 pm-11:29 am

2 stops56h 09m

Washington, D.C. Dulles Intl

Sun 3/15

9:00 am-12:30 pm

2 stops42h 00m

$1,208

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 2/19

9:50 am-9:05 am

1 stop33h 45m

Washington, D.C. Dulles Intl

Fri 3/6

2:35 pm-3:50 am

1 stop26h 45m

$1,228

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 2/18

4:15 am-3:55 pm

1 stop22h 10m

Washington, D.C. Dulles Intl

Fri 3/6

8:05 pm-3:45 am

1 stop21h 10m

$1,252

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 3/20

4:00 am-10:05 am

1 stop39h 35m

Washington, D.C. Dulles Intl

Fri 5/8

3:35 pm-2:50 am

1 stop25h 45m

$1,260

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 3/18

8:50 pm-4:55 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

Wed 5/27

9:00 pm-2:05 am

1 stop19h 35m

$1,387

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 3/11

4:15 am-4:55 pm

1 stop22h 10m

Washington, D.C. Dulles Intl

Sun 3/15

6:40 am-2:45 am

2 stops34h 35m

$1,750

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sri Lanka 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, February is the cheapest month to fly from Sri Lanka 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 $950. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,176.

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 Sri Lanka 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 Sri Lanka 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 Sri Lanka in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 24% on your flight if you consider stops on a Sri Lanka to Washington, D.C. Dulles Intl Airport flight.

Cheap Sri Lanka to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Sri Lanka to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Sri Lanka to Washington, D.C. Dulles Intl Airport.
  • When did momondo last update prices for flights from Sri Lanka to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Sri Lanka to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sri Lanka to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles 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.

Best airlines flying from Sri Lanka to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Sri Lanka to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $929Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $942Free CancellationRating
7.4
1,288 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $1,267Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie

Why use momondo?

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

Finding the right flight to Washington, D.C. from Sri Lanka is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Sri Lanka with this policy.

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

momondo helps you find the best flight between Sri Lanka and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Sri Lanka to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/10
Wed 12/17

Find better results for your trip to Washington, D.C.