HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sri Lanka

$425+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CMB
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Sri Lanka with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 20, 2026.

This oojo deal was found by Cheapflights users on 3/16. 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.
Wed 5/133:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sun 6/144:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 3/16$863
This oojo deal was found by Cheapflights users on 3/20. 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.
Fri 3/272:20 pm
IAD
-
CMB
1 stop39h 15m
Etihad Airways
Sat 4/44:15 am
CMB
-
IAD
1 stop39h 40m
Etihad Airways
Deal found 3/20$871
This oojo deal was found by Cheapflights users on 3/16. 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.
Fri 4/103:10 pm
IAD
-
CMB
1 stop38h 15m
Etihad Airways
Sat 4/2510:00 am
CMB
-
IAD
1 stop33h 15m
Etihad Airways
Deal found 3/16$873
This Etihad Airways deal was found by Cheapflights users on 3/16. 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.
Sun 8/303:10 pm
IAD
-
CMB
1 stop38h 15m
Etihad Airways
Wed 9/99:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 3/16$875
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/243:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sat 5/24:10 am
CMB
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 3/19$876
This oojo deal was found by Cheapflights users on 3/18. 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 5/31:20 pm
IAD
-
CMB
1 stop30h 30m
Turkish Airlines
Wed 6/176:50 am
CMB
-
IAD
1 stop38h 15m
Turkish Airlines
Deal found 3/18$877
This oojo deal was found by Cheapflights users on 3/17. 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 10/183:10 pm
IAD
-
CMB
1 stop31h 55m
Etihad Airways
Sun 11/84:30 pm
CMB
-
IAD
1 stop27h 05m
Etihad Airways
Deal found 3/17$878
This oojo deal was found by Cheapflights users on 3/19. 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 5/41:20 pm
IAD
-
CMB
1 stop30h 30m
Turkish Airlines
Thu 6/186:50 am
CMB
-
IAD
1 stop22h 30m
Turkish Airlines
Deal found 3/19$883
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sun 5/39:50 pm
CMB
-
IAD
1 stop21h 25m
Etihad Airways
Deal found 3/20$885
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Mon 5/254:20 pm
CMB
-
IAD
1 stop26h 55m
Etihad Airways
Deal found 3/17$887
This oojo deal was found by Cheapflights users on 3/18. 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.
Fri 5/11:20 pm
IAD
-
CMB
1 stop30h 30m
Turkish Airlines
Fri 6/56:50 am
CMB
-
IAD
1 stop38h 15m
Turkish Airlines
Deal found 3/18$891
This KAYAK deal was found by Cheapflights users on 3/20. 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.
Sat 4/253:10 pm
IAD
-
CMB
1 stop19h 55m
Etihad Airways
Sun 5/310:00 am
CMB
-
IAD
1 stop33h 15m
Etihad Airways
Deal found 3/20$899

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 March 20, 2026.

Round-trip from

$863
(oojo)

One-way from

$425
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,033
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. 9% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 20, 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

Wed 4/15

9:19 am-8:35 pm

2 stops25h 46m

Colombo Bandaranaike Intl

Wed 4/22

9:50 pm-9:45 am

1 stop21h 25m

$1,101

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 4/22

9:19 am-8:35 pm

2 stops25h 46m

Colombo Bandaranaike Intl

Fri 5/1

9:50 pm-9:45 am

1 stop21h 25m

$1,101

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 4/1

9:19 am-8:40 pm

2 stops25h 51m

Colombo Bandaranaike Intl

Sat 4/25

9:50 pm-9:45 am

1 stop21h 25m

$1,141

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 8/27

6:30 am-11:30 pm

2 stops31h 30m

Colombo Bandaranaike Intl

Tue 9/22

12:50 am-5:00 am

2 stops37h 40m

$1,199

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 5/6

9:19 am-8:35 pm

2 stops25h 46m

Colombo Bandaranaike Intl

Mon 8/24

4:20 pm-9:45 am

1 stop26h 55m

$1,280

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sun 4/5

10:55 am-6:30 pm

2 stops46h 05m

Colombo Bandaranaike Intl

Fri 4/17

9:10 am-8:40 am

1 stop33h 00m

$1,367

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 3/31

10:55 am-7:15 pm

1 stop22h 50m

Colombo Bandaranaike Intl

Tue 4/21

10:05 pm-8:40 am

1 stop20h 05m

$1,444

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Tue 3/31

10:55 am-7:15 pm

1 stop22h 50m

Colombo Bandaranaike Intl

Mon 4/20

10:05 pm-8:40 am

1 stop20h 05m

$1,444
Quickest round-trip

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 4/1

10:55 am-4:50 pm

1 stop20h 25m

Colombo Bandaranaike Intl

Sun 4/19

10:05 pm-8:40 am

1 stop20h 05m

$1,494

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Sat 4/4

10:55 am-6:30 pm

2 stops22h 05m

Colombo Bandaranaike Intl

Sun 4/19

11:15 am-8:40 am

2 stops30h 55m

$1,544

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka (average of $756). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka in June is currently the most expensive (average of $1,037). 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.

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 March 20, 2026.
Peruse reviews from past customers who have flown with Emirates,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.
Emirates
8.1
Very good
3,544 reviews

Crew

8.3

Food

7.9

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very good
3,544 reviews
Emirates
8.1
Very good
3,544 reviews

Crew

8.3

Food

7.9

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,734 reviews
Emirates
8.1
Very good
3,544 reviews

Crew

8.3

Food

7.9

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Etihad Airways
7.3
Good
1,429 reviews
Emirates
8.1
Very good
3,544 reviews

Crew

8.3

Food

7.9

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Turkish Airlines
7.3
Good
4,260 reviews
Emirates
8.1
Very good
3,544 reviews

Crew

8.3

Food

7.9

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
JetBlue
7.2
Good
2,909 reviews
Emirates
8.1
Very good
3,544 reviews

Crew

8.3

Food

7.9

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

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 ($420), American Airlines ($455), and Qatar Airways ($459).

  • 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sri Lanka (average of $756). Flying from Washington, D.C. Dulles Intl Airport to Sri Lanka in June is currently the most expensive (average of $1,037). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$793Average$1,128FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$866Average$1,170FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$882Average$1,288FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$900Average$1,258FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$954Average$985FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$985Average$2,447FlexibilityNo cancel feeOn-time62%
EmiratesCheapest$1,361Average$1,716FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.