How long is the flight from Sri Lanka to Washington, D.C. Dulles Intl Airport?

Etihad Airways can get you from Sri Lanka to Washington, D.C. Dulles Intl Airport in just under 22h 05m. Your travel time can differ by up to . Sri Lanka and Washington, D.C. Dulles Intl Airport are separated by a distance of 8928 mi.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Sri Lanka to Washington, D.C. Dulles Intl Airport?

When booking a flight from Sri Lanka to Washington, D.C. Dulles Intl Airport, you may want to consider flying on Etihad Airways, Qatar Airways or American Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from LK to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sri Lanka to Washington, D.C. Dulles Intl Airport as you normally would.

Can I find deals for flights from Sri Lanka to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Sri Lanka to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sri Lanka to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sri Lanka to Dulles Intl.

Can I find deals for business class flights from Sri Lanka to Dulles Intl?

Yes. Cheapflights offers flight deals from Sri Lanka to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$650+ Flights from Sri Lanka to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Sri Lanka to Dulles Intl

Best flights from Sri Lanka to Dulles Intl
Discover carefully curated flight deals from Sri Lanka to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Tue 3/179:50 pmCMB - IAD

2 stops32h 45mMultiple Airlines

Wed 5/278:20 pmIAD - CMB

2 stops26h 40mMultiple Airlines

Deal found 12/17

$909

Fri 3/209:30 pmCMB - IAD

1 stop22h 05mEtihad Airways

Fri 5/83:35 pmIAD - CMB

1 stop19h 35mEtihad Airways

Deal found 12/17

$1,007

Thu 3/269:30 pmCMB - IAD

1 stop22h 05mEtihad Airways

Tue 5/123:35 pmIAD - CMB

1 stop19h 35mEtihad Airways

Deal found 12/15

$1,020

Sat 1/3110:15 pmCMB - IAD

2 stops31h 35mMultiple Airlines

Sat 2/72:35 pmIAD - CMB

1 stop25h 45mMultiple Airlines

Deal found 12/17

$1,076

Wed 3/189:30 pmCMB - IAD

1 stop22h 05mMultiple Airlines

Wed 5/276:58 amIAD - CMB

2 stops28h 12mMultiple Airlines

Deal found 12/17

$1,087

Fri 3/274:30 pmCMB - IAD

1 stop27h 05mMultiple Airlines

Wed 5/2710:51 amIAD - CMB

2 stops24h 19mMultiple Airlines

Deal found 12/16

$1,089

Last-minute flights from Sri Lanka to Dulles Intl
Discover last-minute flight deals from Sri Lanka to Dulles Intl. Data last updated December 18, 2025 and is based on user searches.

Sat 1/1011:55 amCMB - IAD

1 stop39h 15mSWISS

Sun 1/118:30 pmIAD - CMB

1 stop27h 15mSWISS

Deal found 12/16

$6,402

Sat 1/1011:55 amCMB - IAD

2 stops38h 25mMultiple Airlines

Sun 1/118:30 pmIAD - CMB

1 stop27h 15mMultiple Airlines

Deal found 12/16

$6,407

Wed 1/284:00 amCMB - IAD

1 stop39h 35mEtihad Airways

Sun 2/12:35 pmIAD - CMB

1 stop31h 10mEtihad Airways

Deal found 12/15

$1,065

Wed 1/283:25 amCMB - IAD

2 stops28h 22mQatar Airways

Sun 2/18:05 pmIAD - CMB

1 stop19h 20mQatar Airways

Deal found 12/15

$1,833

Thu 1/2912:50 pmCMB - IAD

2 stops42h 34mAir Canada

Sun 2/15:16 pmIAD - CMB

2 stops32h 44mAir Canada

Deal found 12/15

$1,280

Thu 1/298:15 pmCMB - IAD

3 stops35h 32mEmirates

Sun 2/110:30 amIAD - CMB

2 stops21h 25mEmirates

Deal found 12/15

$1,815

Sat 1/319:50 amCMB - IAD

1 stop33h 45mEtihad Airways

Sat 2/72:35 pmIAD - CMB

1 stop19h 10mEtihad Airways

Deal found 12/17

$1,039

Sat 1/3110:15 pmCMB - IAD

2 stops31h 35mMultiple Airlines

Sat 2/72:35 pmIAD - CMB

1 stop25h 45mMultiple Airlines

Deal found 12/17

$1,076

One-way flights from Sri Lanka to Dulles Intl
Search for one-way flight options from Sri Lanka to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Tue 6/165:05 pmCMB - IAD

2 stops50h 10mMultiple Airlines

Deal found 12/16

$650

Tue 6/164:30 pmCMB - IAD

1 stop26h 45mEtihad Airways

Deal found 12/16

$652

Thu 1/19:15 amCMB - IAD

3 stops33h 15mMultiple Airlines

Deal found 12/16

$1,505

Thu 1/18:55 pmCMB - IAD

2 stops33h 05mAir France

Deal found 12/16

$1,795

Sat 1/106:15 pmCMB - IAD

3 stops35h 35mMultiple Airlines

Deal found 12/16

$2,202

Fri 1/92:20 amCMB - IAD

2 stops29h 04mAir Canada

Deal found 12/16

$3,258

Sat 1/1011:55 amCMB - IAD

1 stop39h 15mSWISS

Deal found 12/16

$3,305

Sat 1/107:40 amCMB - IAD

1 stop38h 35mTurkish Airlines

Deal found 12/16

$3,508

Sat 1/1011:15 amCMB - IAD

1 stop31h 35mQatar Airways

Deal found 12/16

$4,457

Find flight deals from Sri Lanka to Dulles Intl

Round-trip from	$909 (Expedia)
One-way from	$650 (Kiwi.com)
Popular in	January
Cheapest in	March

From Sri Lanka to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Sri Lanka to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($21 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average RT price).

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Cheapflights Fare Finder

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

Tue 3/17

9:50 pm-9:05 pm

2 stops32h 45m

Washington, D.C. Dulles Intl

Wed 5/27

8:20 pm-8:30 am

2 stops26h 40m

$909

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 3/20

9:30 pm-10:05 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Fri 5/8

3:35 pm-8:40 pm

1 stop19h 35m

$1,007

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 3/26

9:30 pm-10:05 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Tue 5/12

3:35 pm-8:40 pm

1 stop19h 35m

$1,020

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Sat 1/31

10:15 pm-7:20 pm

2 stops31h 35m

Washington, D.C. Dulles Intl

Sat 2/7

2:35 pm-2:50 am

1 stop25h 45m

$1,076

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Wed 3/18

9:30 pm-10:05 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Wed 5/27

6:58 am-8:40 pm

2 stops28h 12m

$1,087

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Fri 3/27

4:30 pm-10:05 am

1 stop27h 05m

Washington, D.C. Dulles Intl

Wed 5/27

10:51 am-8:40 pm

2 stops24h 19m

$1,089

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/16

5:05 pm-9:45 am

2 stops50h 10m

$650

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Tue 6/16

4:30 pm-9:45 am

1 stop26h 45m

$652

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 1/1

9:15 am-8:00 am

3 stops33h 15m

$1,505

ColomboWashington, D.C.

CMB - IAD

CMBIAD

Colombo Bandaranaike Intl

Thu 1/1

8:55 pm-7:30 pm

2 stops33h 05m

$1,795

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 14 results

Best time to book a flight from Sri Lanka to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sri Lanka with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sri Lanka to Washington, D.C. Dulles Intl Airport

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Qatar Airways, Etihad Airways, and American Airlines from Sri Lanka to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qatar Airways

7.4

Good

3,686 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Qatar Airways

7.4

Good

3,686 reviews

Qatar Airways

7.4

Good

3,686 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Etihad Airways

7.4

Good

1,332 reviews

Qatar Airways

7.4

Good

3,686 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

American Airlines

7.2

Good

11,055 reviews

Qatar Airways

7.4

Good

3,686 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

How long is the flight from Sri Lanka to Washington, D.C. Dulles Intl Airport?
Etihad Airways can get you from Sri Lanka to Washington, D.C. Dulles Intl Airport in just under 22h 05m. Your travel time can differ by up to . Sri Lanka and Washington, D.C. Dulles Intl Airport are separated by a distance of 8928 mi.
Can I find deals for flights from Sri Lanka to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Sri Lanka to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sri Lanka to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sri Lanka to Dulles Intl.
Can I find deals for business class flights from Sri Lanka to Dulles Intl?
Yes. Cheapflights offers flight deals from Sri Lanka to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

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Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Sri Lanka to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$929	Average$1,406	FlexibilityNo cancel fee	On-time68%
Etihad Airways	Cheapest$952	Average$1,250	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$1,267	Average$1,357	FlexibilityNo cancel fee	On-time71%

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$650+ Cheap flights from Sri Lanka to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sri Lanka to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sri Lanka to Dulles Intl

Best flights from Sri Lanka to Dulles IntlDiscover carefully curated flight deals from Sri Lanka to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Discover carefully curated flight deals from Sri Lanka to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Find flight deals from Sri Lanka to Dulles Intl

Keep the following information in mind while searching for Sri Lanka to Dulles Intl flight deals. Data was last updated December 18, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sri Lanka to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Sri Lanka to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sri Lanka with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sri Lanka to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Sri Lanka to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Sri Lanka to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Sri Lanka to Dulles Intl that include hotel bookings?

How can I find direct flights from Sri Lanka to Dulles Intl?

Can I find deals for business class flights from Sri Lanka to Dulles Intl?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sri Lanka to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Sri Lanka to Dulles Intl

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Best flights from Sri Lanka to Dulles Intl
Discover carefully curated flight deals from Sri Lanka to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.