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$429+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap 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 11, 2026.

This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:10 pm
IAD
-
CMB
1 stop31h 55m
Etihad Airways
Fri 9/49:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$979
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:10 pm
IAD
-
CMB
1 stop38h 15m
Etihad Airways
Wed 9/239:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$981
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sun 10/189:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$1,001
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sat 10/179:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/7$1,003
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 pm
IAD
-
CMB
1 stop20h 10m
Qatar Airways
Fri 11/137:30 pm
CMB
-
IAD
1 stop30h 55m
Qatar Airways
Deal found 6/8$1,004
This FlightHub deal was found by Cheapflights users on 6/6. 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.
Thu 9/103:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Wed 9/309:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 6/6$1,005
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:05 pm
IAD
-
CMB
1 stop20h 10m
Qatar Airways
Mon 12/73:25 am
CMB
-
IAD
1 stop23h 00m
Qatar Airways
Deal found 6/7$1,006
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:45 pm
IAD
-
CMB
1 stop22h 05m
Turkish Airlines
Tue 10/136:50 am
CMB
-
IAD
1 stop22h 30m
Turkish Airlines
Deal found 6/7$1,007
This FlightHub deal was found by Cheapflights users on 6/6. 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.
Fri 9/113:10 pm
IAD
-
CMB
1 stop26h 20m
Etihad Airways
Thu 10/14:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 6/6$1,015
This Etihad Airways deal was found by Cheapflights users on 6/6. 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.
Wed 9/93:10 pm
IAD
-
CMB
1 stop26h 20m
Etihad Airways
Wed 9/304:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 6/6$1,016
This Etihad Airways deal was found by Cheapflights users on 6/7. 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.
Thu 9/103:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Mon 9/1410:00 am
CMB
-
IAD
1 stop33h 15m
Etihad Airways
Deal found 6/7$1,017
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm
IAD
-
CMB
1 stop25h 45m
Etihad Airways
Sun 11/294:30 pm
CMB
-
IAD
1 stop27h 05m
Etihad Airways
Deal found 6/8$1,019

Find 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 11, 2026.

Round-trip from

$979
(oojo)

One-way from

$429
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$1,431
From Washington, D.C. Dulles Intl to Sri Lanka
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Sri Lanka
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 11, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 9/10

3:10 pm-8:35 pm

1 stop19h 55m

Colombo Bandaranaike Intl

Mon 9/14

10:00 am-9:45 am

1 stop33h 15m

$1,017

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 9/6

3:10 pm-3:00 am

1 stop26h 20m

Colombo Bandaranaike Intl

Thu 9/10

4:20 pm-9:45 am

1 stop26h 55m

$1,061

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 8/16

6:38 pm-9:40 am

2 stops29h 32m

Colombo Bandaranaike Intl

Thu 9/3

3:35 am-3:40 pm

1 stop21h 35m

$1,102

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 9/6

6:38 pm-9:00 am

2 stops28h 52m

Colombo Bandaranaike Intl

Wed 9/9

3:35 am-3:40 pm

1 stop21h 35m

$1,256

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 7/11

3:10 pm-8:35 am

1 stop31h 55m

Colombo Bandaranaike Intl

Sun 7/26

10:00 am-9:45 am

1 stop33h 15m

$1,319
Quickest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 11/10

8:05 pm-1:55 am

1 stop19h 20m

Colombo Bandaranaike Intl

Tue 12/8

11:40 pm-3:55 pm

2 stops26h 45m

$1,361

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 7/29

9:20 am-8:35 pm

2 stops25h 45m

Colombo Bandaranaike Intl

Fri 8/28

10:00 am-9:45 am

1 stop33h 15m

$1,396

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 8/25

10:55 am-6:30 pm

2 stops22h 05m

Colombo Bandaranaike Intl

Wed 9/2

8:35 pm-8:40 am

2 stops45h 35m

$1,416

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 7/12

3:10 pm-8:35 pm

1 stop19h 55m

Colombo Bandaranaike Intl

Tue 8/18

4:20 pm-9:45 am

1 stop26h 55m

$1,524
Cheapest one-way

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 8/30

3:10 pm-2:55 pm

1 stop38h 15m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

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 $575). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka in June is currently the most expensive (average of $1,030). 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.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka, you should look to book at least 1 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 11, 2026.
Peruse reviews from past customers who have flown with Turkish Airlines,Qatar Airways, andEtihad Airways from Washington, D.C. Dulles Intl Airport to Sri Lanka to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
4,408 reviews

Entertainment

7.5

Crew

7.8

Food

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Turkish Airlines
7.4
Good
4,408 reviews
Turkish Airlines
7.4
Good
4,408 reviews

Entertainment

7.5

Crew

7.8

Food

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Qatar Airways
7.3
Good
3,726 reviews
Turkish Airlines
7.4
Good
4,408 reviews

Entertainment

7.5

Crew

7.8

Food

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Etihad Airways
7.3
Good
1,452 reviews
Turkish Airlines
7.4
Good
4,408 reviews

Entertainment

7.5

Crew

7.8

Food

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
American Airlines
7.1
Good
11,640 reviews
Turkish Airlines
7.4
Good
4,408 reviews

Entertainment

7.5

Crew

7.8

Food

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
JetBlue
7.1
Good
2,981 reviews
Turkish Airlines
7.4
Good
4,408 reviews

Entertainment

7.5

Crew

7.8

Food

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

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.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Sri Lanka in 20h 10m. Fly via Etihad Airways or Qatar Airways to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and Sri Lanka is about 8928 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 ($416), Qatar Airways ($459), and American Airlines ($476).

  • 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 $575). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka in June is currently the most expensive (average of $1,030). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Dulles Intl to Sri Lanka

Discover the top 7 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$816Average$1,147FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$855Average$1,178FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$882Average$1,335FlexibilityNo cancel feeOn-time77%
Alaska AirlinesCheapest$954Average$985FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$985Average$2,403FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$1,167Average$1,299FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,361Average$1,714FlexibilityNo cancel feeOn-time75%

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