Sri Lanka

$418+ Cheap flights from Dulles Intl (IAD) to Sri Lanka

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Jun 17 — Jun 241
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Cheap flight deals from Dulles Intl to Sri Lanka

Keep the following information in mind while searching for Dulles Intl to Sri Lanka flight deals. Data was last updated June 12, 2025.

Round-trip from

$992
(Turkish Airlines)

One-way from

$418
(CrystalTravel)

Popular in

December

Cheapest in

February

Average price

$1,355
From Washington, D.C. Dulles Intl to Sri Lanka
One-way flight from Washington, D.C. Dulles Intl to Sri Lanka
Highest demand for flights based on searches. 14% potential increase in price ($189 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Dulles Intl to Sri Lanka

Cheapest flights from Dulles Intl to Sri Lanka
Explore the most affordable flight options available from Dulles Intl to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Turkish Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:55 pmIAD - CMB
1 stop30h 45mTurkish Airlines
Sat 12/67:40 amCMB - IAD
1 stop38h 00mTurkish Airlines
Deal found 6/10$992
This Qatar Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:05 pmIAD - CMB
1 stop20h 10mQatar Airways
Sat 12/137:15 pmCMB - IAD
1 stop31h 10mQatar Airways
Deal found 6/10$1,001
This Etihad Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:30 pmIAD - CMB
1 stop36h 35mEtihad Airways
Sat 1/314:15 pmCMB - IAD
1 stop34h 20mEtihad Airways
Deal found 6/10$1,002
This JetBlue deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:05 pmIAD - CMB
1 stop20h 10mJetBlue
Fri 12/53:25 amCMB - IAD
1 stop23h 00mJetBlue
Deal found 6/10$1,013
This KAYAK deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1512:50 pmIAD - CMB
1 stop41h 45mAir India
Sat 6/288:20 amCMB - IAD
2 stops36h 25mAir India
Deal found 6/11$1,014
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/81:30 pmIAD - CMB
2 stops33h 45mIndiGo
Thu 9/189:55 pmCMB - IAD
2 stops31h 20mIndiGo
Deal found 6/10$1,017
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1012:50 pmIAD - CMB
1 stop33h 00mMultiple Airlines
Thu 9/189:55 pmCMB - IAD
2 stops47h 20mMultiple Airlines
Deal found 6/10$1,030
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:05 pmIAD - CMB
1 stop19h 20mAmerican Airlines
Sat 11/297:15 pmCMB - IAD
1 stop31h 10mAmerican Airlines
Deal found 6/12$1,076
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:11 pmIAD - CMB
2 stops42h 49mSingapore Airlines
Mon 12/812:45 amCMB - IAD
2 stops27h 40mSingapore Airlines
Deal found 6/10$1,229
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:43 amIAD - CMB
2 stops32h 32mAlaska Airlines
Tue 12/164:15 amCMB - IAD
1 stop22h 10mAlaska Airlines
Deal found 6/10$1,274

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Sri Lanka 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sri Lanka that are best for you.

Fly from

Dulles Intl

Fly to

Sri Lanka

Route

Depart

Return

Price

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 11/19

12:55 pm-6:10 am

1 stop30h 45m

Colombo Bandaranaike Intl

Sun 12/7

7:40 am-7:15 pm

1 stop22h 05m

$992

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 11/12

8:05 pm-2:45 am

1 stop20h 10m

Colombo Bandaranaike Intl

Sat 12/13

7:15 pm-3:55 pm

1 stop31h 10m

$1,001

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 8/7

10:05 pm-3:25 pm

1 stop31h 50m

Colombo Bandaranaike Intl

Thu 8/28

4:30 pm-4:10 pm

1 stop33h 10m

$1,006

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 11/8

8:05 pm-2:45 am

1 stop20h 10m

Colombo Bandaranaike Intl

Fri 12/5

3:25 am-3:55 pm

1 stop23h 00m

$1,013

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 8/8

1:30 pm-8:45 am

2 stops33h 45m

Colombo Bandaranaike Intl

Thu 9/18

9:55 pm-7:45 pm

2 stops31h 20m

$1,017

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 7/6

12:50 pm-4:05 pm

1 stop41h 45m

Colombo Bandaranaike Intl

Sat 7/12

8:20 am-11:15 am

2 stops36h 25m

$1,029

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 8/10

12:50 pm-7:20 am

1 stop33h 00m

Colombo Bandaranaike Intl

Thu 9/18

9:55 pm-11:45 am

2 stops47h 20m

$1,030

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 11/3

8:05 pm-1:55 am

1 stop19h 20m

Colombo Bandaranaike Intl

Sat 11/29

7:15 pm-3:55 pm

1 stop31h 10m

$1,076

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 11/17

6:11 pm-11:30 pm

2 stops42h 49m

Colombo Bandaranaike Intl

Mon 12/8

12:45 am-5:55 pm

2 stops27h 40m

$1,229

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 11/17

7:43 am-2:45 am

2 stops32h 32m

Colombo Bandaranaike Intl

Tue 12/16

4:15 am-3:55 pm

1 stop22h 10m

$1,274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 results
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Best time to book a flight from Dulles Intl to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Sri Lanka

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka (average of $1,049). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka in December is currently the most expensive (average of $1,818). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Dulles Intl to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Sri Lanka, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sri Lanka by month

Plan your trip to Sri Lanka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sri Lanka ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Sri Lanka when rainfall is around 2.4 in.

Temperature in Sri Lanka by month

Plan your trip to Sri Lanka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sri Lanka, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Sri Lanka

Get insights into the airlines that provide service to Sri Lanka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sri Lanka. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Sri Lanka, such as Qatar Airways, Etihad Airways and Turkish Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sri Lanka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Sri Lanka one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Sri Lanka are Etihad Airways ($418), Air India ($423), and IndiGo ($447).

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka (average of $1,049). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka in December is currently the most expensive (average of $1,818). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Sri Lanka

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

Top 6 airlines flying from Dulles Intl to Sri Lanka

Discover the top 6 airlines that operate flights from Dulles Intl to Sri Lanka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$750Average$1,057FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$890Average$948FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$900Average$1,393FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$923Average$1,110FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$1,082Average$1,380FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,400Average$1,862FlexibilityNo cancel feeOn-time75%

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