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Cheap flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport from ₹ 86,668

IAD — CMB
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Colombo

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Colombo

Tue 13/1015:10 -
1 stop31h 55m
Fri 25/1209:55 -
1 stop33h 40m
Deal found 13/9₹ 86,668
Fri 9/1015:10 -
1 stop31h 55m
Thu 24/1221:35 -
1 stop22h 00m
Deal found 13/9₹ 90,503
Sun 27/915:10 -
1 stop38h 15m
Sun 4/1016:20 -
1 stop26h 55m
Deal found 16/9₹ 92,229
Fri 9/1015:10 -
1 stop38h 15m
Sun 20/1216:05 -
1 stop27h 30m
Deal found 13/9₹ 94,338
Mon 5/1009:15 -
2 stops25h 50m
Wed 21/1010:00 -
1 stop33h 15m
Deal found 13/9₹ 97,310
Mon 16/1114:35 -
1 stop19h 10m
Sat 26/1204:00 -
1 stop39h 35m
Deal found 17/9₹ 97,406
Mon 28/907:57 -
2 stops27h 08m
Mon 5/1021:50 -
1 stop21h 25m
Deal found 14/9₹ 98,556
Mon 12/1015:10 -
1 stop31h 55m
Tue 22/1221:35 -
2 stops27h 47m
Deal found 14/9₹ 99,132
Sat 24/1011:05 -
1 stop19h 55m
Tue 27/1003:25 -
1 stop23h 00m
Deal found 15/9₹ 100,090
Thu 12/1114:35 -
1 stop31h 05m
Sat 26/1204:00 -
1 stop39h 35m
Deal found 17/9₹ 101,432
Mon 28/907:57 -
2 stops27h 08m
Sun 4/1016:20 -
1 stop26h 55m
Deal found 14/9₹ 102,391

Find flight deals from Dulles Intl to Colombo

Round-trip from

₹ 86,668

Popular in

December

Cheapest in

October

Average price

₹ 92,996
Etihad Airways
  • Etihad Airways
  • 13/10-25/12
  • 2 total stops
  • 65h 35m total
  • Washington, D.C. to Colombo
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Highest demand for flights based on searches. 14% potential increase in price (₹ 1,778,402 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (₹ 421,953 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Price

Cheapest return flight

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Sun 27/9

15:10-14:55

1 stop38h 15m

Colombo Bandaranaike Intl

Sun 4/10

16:20-09:45

1 stop26h 55m

₹ 92,229

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 28/9

12:30-20:35

2 stops22h 35m

Colombo Bandaranaike Intl

Mon 5/10

10:00-09:45

1 stop33h 15m

₹ 98,556

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 28/9

07:57-20:35

2 stops27h 08m

Colombo Bandaranaike Intl

Sun 4/10

16:20-09:45

1 stop26h 55m

₹ 102,391

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 2/11

10:30-10:15

2 stops37h 15m

Colombo Bandaranaike Intl

Mon 9/11

09:15-08:10

1 stop33h 25m

₹ 102,966

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 12/10

10:55-18:30

2 stops22h 05m

Colombo Bandaranaike Intl

Wed 23/12

21:50-08:10

1 stop20h 50m

₹ 102,966

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Wed 4/11

10:30-18:25

2 stops21h 25m

Colombo Bandaranaike Intl

Mon 16/11

11:15-08:10

2 stops31h 25m

₹ 102,966

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 28/9

10:55-18:30

2 stops22h 05m

Colombo Bandaranaike Intl

Mon 5/10

11:15-08:50

2 stops31h 05m

₹ 102,966

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Thu 4/2

10:36-20:15

2 stops23h 09m

Colombo Bandaranaike Intl

Tue 23/2

16:05-09:05

1 stop27h 30m

₹ 106,322

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Thu 4/2

10:30-18:25

2 stops21h 25m

Colombo Bandaranaike Intl

Tue 23/2

09:55-08:10

1 stop32h 45m

₹ 107,760
Fastest return journey

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Sun 20/12

15:30-18:25

3 stops40h 25m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 197,688

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Colombo

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

Cheapflights Insights

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

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, you should look to book at least 44 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.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of ₹ 83,792). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of ₹ 157,709). 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 much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport flights typically cost between ₹ 90,791 and ₹ 97,214 in October.
The cheapest return price found within the last 5 days was ₹ 86,668 on Etihad Airways (13 Oct–25 Dec).

Related info for your journey

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

    Departing from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport will take you 37h 15m. The distance between Washington, D.C. Dulles Intl Airport and Colombo Bandaranaike Intl Airport is about 14368 km. This flight may include one or multiple stops.

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

    Yes. In addition to deals on Dulles Intl to Colombo flights, Cheapflights offers holiday packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Colombo 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 Colombo Bandaranaike Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of ₹ 83,792). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of ₹ 157,709). 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

Travelling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Colombo?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Colombo.

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Can Cheapflights notify me if prices for flights from Dulles Intl to Colombo become cheaper?

Yes! Start tracking prices for Dulles Intl to Colombo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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