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Cheap Flights from Colombo (CMB) to Washington D.C. (IAD)

Compare Colombo Bandaranayake to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Colombo Bandaranayake to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Colombo Bandaranayake Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $1,886. Find the lowest prices on one-way and return tickets right here.
Washington D.C..$1,378 per passenger.Departing Fri, 11 Sep, returning Tue, 15 Sep.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Fri, 11 Sep, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 15 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,378, select.
Washington D.C..$1,496 per passenger.Departing Tue, 13 Oct, returning Mon, 26 Oct.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Tue, 13 Oct, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 26 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,496, select.
Washington D.C..$1,517 per passenger.Departing Sun, 27 Sep, returning Tue, 10 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Sun, 27 Sep, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 10 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,517, select.
Washington D.C..$1,621 per passenger.Departing Fri, 9 Oct, returning Sat, 14 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Fri, 9 Oct, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Sat, 14 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,621, select.
Washington D.C..$1,698 per passenger.Departing Wed, 18 Nov, returning Tue, 8 Dec.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Wed, 18 Nov, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 8 Dec, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,698, select.
Washington D.C..$1,705 per passenger.Departing Fri, 28 May, returning Wed, 30 Jun.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Fri, 28 May, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 30 Jun, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,705, select.
Washington D.C..$1,724 per passenger.Departing Thu, 25 Mar, returning Fri, 30 Apr.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 25 Mar, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Fri, 30 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,724, select.
Washington D.C..$1,725 per passenger.Departing Thu, 27 Aug, returning Wed, 2 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Thu, 27 Aug, arriving in Washington Dulles.Inbound indirect flight with Qatar Airways, departs from Washington Dulles on Wed, 2 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,725, select.
Washington D.C..$1,733 per passenger.Departing Thu, 1 Jul, returning Thu, 8 Jul.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 1 Jul, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Thu, 8 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,733, select.
Washington D.C..$1,734 per passenger.Departing Thu, 1 Apr, returning Tue, 1 Jun.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 1 Apr, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 1 Jun, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,734, select.
Washington D.C..$1,765 per passenger.Departing Thu, 1 Apr, returning Wed, 14 Apr.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 1 Apr, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 14 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,765, select.
Washington D.C..$1,794 per passenger.Departing Mon, 2 Nov, returning Mon, 30 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Mon, 2 Nov, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 30 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,794, select.
Washington D.C..$1,886 per passenger.Departing Tue, 25 Aug, returning Mon, 31 Aug.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Tue, 25 Aug, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 31 Aug, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,886, select.
Washington D.C..$1,887 per passenger.Departing Fri, 18 Dec, returning Wed, 30 Dec.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Fri, 18 Dec, arriving in Washington Dulles.Inbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 30 Dec, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,887, select.
Washington D.C..$1,944 per passenger.Departing Thu, 17 Jun, returning Thu, 22 Jul.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Thu, 17 Jun, arriving in Washington Dulles.Inbound indirect flight with Qatar Airways, departs from Washington Dulles on Thu, 22 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,944, select.
Washington D.C..$1,973 per passenger.Departing Fri, 28 May, returning Thu, 22 Jul.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Fri, 28 May, arriving in Washington Dulles.Inbound indirect flight with Qatar Airways, departs from Washington Dulles on Thu, 22 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From $1,973, select.

Find the cheapest month to fly from Colombo Bandaranayake to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo Bandaranayake to Washington Dulles flights are currently cheapest in September.
Jul
Find prices
Aug
from $1,886
Sep
from $1,378
Oct
from $1,496
Nov
from $1,794
Dec
from $1,887
Jan
from $3,703
Feb
Find prices
Mar
Find prices
Apr
from $1,765
May
Find prices
Jun
from $3,078

Colombo Bandaranayake to Washington Dulles: Alternative routes

Compare routes from Colombo Bandaranayake to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from $1,762
Search flights

Washington Dulles

37km from central Washington D.C.
Cheapest
from $1,378
Search flights

Baltimore Washington International

44km from central Washington D.C.
from $1,946
Search flights

Colombo to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$1,378
Cheapest month to flySeptember

Finding cheap flights from Colombo Bandaranayake to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Colombo Bandaranayake to Washington Dulles is $1,378. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Colombo Bandaranayake to Washington Dulles. But we found flights with one or more stops from $1,378.
As of July 2026, there are no flights flying from Colombo Bandaranayake to Washington Dulles.
The cheapest month to fly from Colombo Bandaranayake to Washington Dulles is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Colombo Bandaranayake Airport to Washington Dulles Airport on Friday, 11 September 2026.
No airlines currently offer direct flights between Colombo Bandaranayake Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Etihad Airways offers the cheapest flight tickets to Washington Dulles.

Travelling from Colombo Bandaranayake Airport (CMB) to Washington Dulles Airport (IAD): what you need to know

  • The timezone in Washington DC is UTC-5, which is ten hours 30 minutes behind Colombo.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to catch your CMB to IAD flight.

  • Flying during a peak month like August? Major public holidays and other popular seasons can mean longer lines at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Think about adding a stopover when booking your ticket from Colombo Bandaranayake Airport to Washington Dulles Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between CMB and IAD:

    • Paris Charles de Gaulle Airport

    • Hamad International Airport

    • Zayed International Airport

Handy information about Colombo Bandaranayake Airport (CMB)

  • Of the departures from Colombo Bandaranayake Airport, 69% land on time at their destination.

  • Central Colombo to Colombo Bandaranayake Airport is approximately 32 kilometres. Depending on traffic, it'll take you about 40 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • Planning to catch public transport? Expect a journey time of around 50 minutes.

  • Booked an early flight from Colombo Bandaranayake Airport to Washington Dulles Airport? Avoid the last-minute rush to the airport (and catch some extra z's) by choosing one of these hotels close to CMB:

Arriving at Washington Dulles Airport (IAD)

Getting from Washington Dulles Airport (IAD) to central Washington DC

  • You'll find IAD at 1 Saarinen Circle.

  • From Washington Dulles Airport, Washington DC is approximately 40 kilometres away. It takes around 45 minutes to reach the centre by car.

  • It'll take around 1 hour 10 minutes if you're travelling by public transport.

When to fly to Washington Dulles Airport (IAD)

  • It's time to work out your dates for your flight from Colombo Bandaranayake Airport to Washington Dulles Airport. July is the busiest month to visit Washington DC. If you prefer a more laid-back vibe, go in February.

  • When reserving your flight from Colombo Bandaranayake Airport to Washington Dulles Airport, consider the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Look for cheap tickets from CMB to IAD sometime around then if you'd rather travel in cooler conditions.

Explore more of the United States

  • Washington DC has loads to offer, but there are so many other parts of the United States waiting to be explored. About 322 kilometres north-east of Washington DC, a visit to New York will keep you on the go. Start with leading sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • If you want to check out another major destination in the United States, consider Philadelphia, about 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are the start of reasons to visit.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.