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Cheap flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport from £525

IAD — CMB
26 Oct — 2 Nov1
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

Sun 22/1114:35 -
1 stop25h 45m
Fri 11/1209:55 -
1 stop33h 40m
Deal found 22/9£684
Sat 17/1015:10 -
1 stop31h 55m
Sun 25/1016:05 -
1 stop27h 30m
Deal found 24/9£687
Wed 21/1015:10 -
1 stop38h 15m
Fri 30/1004:00 -
1 stop39h 35m
Deal found 25/9£706
Sun 27/915:10 -
1 stop19h 55m
Sun 4/1021:50 -
1 stop21h 25m
Deal found 26/9£718
Tue 17/1114:35 -
1 stop25h 45m
Wed 3/204:00 -
1 stop39h 35m
Deal found 23/9£728
Sun 29/1114:35 -
1 stop31h 05m
Sat 19/1204:00 -
1 stop39h 35m
Deal found 21/9£732
Sat 24/1015:10 -
1 stop19h 35m
Thu 29/1009:55 -
1 stop33h 40m
Deal found 25/9£736
Thu 19/1114:35 -
1 stop31h 05m
Tue 2/216:05 -
1 stop27h 30m
Deal found 23/9£758
Thu 15/1011:05 -
1 stop20h 15m
Mon 19/1004:35 -
1 stop20h 50m
Deal found 25/9£758
Fri 27/1114:35 -
1 stop19h 10m
Sat 19/1204:00 -
1 stop39h 35m
Deal found 21/9£762
Mon 30/1114:35 -
1 stop31h 05m
Sat 19/1216:05 -
1 stop27h 30m
Deal found 21/9£783
Thu 29/1015:35 -
1 stop31h 05m
Sun 1/1104:00 -
1 stop39h 35m
Deal found 21/9£784

Find flight deals from Dulles Intl to Colombo

Round-trip from

£684

One-way from

£525

Popular in

December

Cheapest in

October

Average price

£745
Etihad Airways
  • Etihad Airways
  • 22/11-11/12
  • 2 total stops
  • 59h 25m total
  • Washington, D.C. to Colombo
Search Deals
Turkish Airlines
  • Turkish Airlines
  • 1/12-31/12
  • 1 total stop
  • 29h 55m total
  • Washington, D.C. to Colombo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

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
Fastest return journey

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Tue 1/12

13:30-05:55

1 stop29h 55m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

£525

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Thu 3/12

13:30-05:55

1 stop29h 55m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

£566

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Tue 10/11

10:30-18:25

2 stops21h 25m

Colombo Bandaranaike Intl

Tue 8/12

09:15-08:10

1 stop33h 25m

£811

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

£822

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Thu 5/11

10:30-18:25

2 stops21h 25m

Colombo Bandaranaike Intl

Mon 16/11

21:45-08:10

1 stop20h 55m

£849

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Mon 22/3

11:15-10:15

2 stops37h 30m

Colombo Bandaranaike Intl

Thu 8/4

17:35-08:40

1 stop24h 35m

£849

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Fri 19/2

10:30-18:25

2 stops21h 25m

Colombo Bandaranaike Intl

Mon 15/3

20:15-09:00

2 stops46h 15m

£887

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Sat 7/11

10:30-18:25

2 stops21h 25m

Colombo Bandaranaike Intl

Sat 14/11

09:15-08:10

1 stop33h 25m

£887

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Thu 25/3

11:15-10:15

2 stops37h 30m

Colombo Bandaranaike Intl

Sun 4/4

22:05-08:40

1 stop20h 05m

£925

Washington, D.C.Colombo

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

IADCMB

Washington, D.C. Dulles Intl

Wed 2/12

14:35-20:15

1 stop19h 10m

Colombo Bandaranaike Intl

Tue 22/12

21:35-14:52

2 stops27h 47m

£968

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 13 resultsSorted by cheapest first
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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 57 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, February 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 £672). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of £1,410). 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 typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport flights typically cost between £628 and £886 in November.
The cheapest return price found within the last 5 days was £684 on Etihad Airways (22 Nov–11 Dec).

Related info for your journey

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

    Etihad Airways and Emirates can get you from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in just under 21h 25m. Your travel time can differ by up to 9h 40m. Washington, D.C. Dulles Intl Airport and Colombo Bandaranaike Intl Airport are separated by a distance of 8928 mi. 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, February 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 £672). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of £1,410). 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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Cheapflights makes it easy to find Dulles Intl to Colombo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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Can Cheapflights find flights from Dulles Intl to Colombo with no change fees?

Certainly. Search results for flights to Colombo from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Dulles Intl to Colombo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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