Cheap Flights from Washington Dulles to Colombo Bandaranayake

Compare Washington Dulles to Colombo Bandaranayake flight deals

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Flight deals from Washington Dulles to Colombo Bandaranayake

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Colombo Bandaranayake Airport? If you want to travel next month, return fares start from $2,048. Find the lowest prices on one-way and return tickets right here.

Colombo.$1,671 per passenger.Departing Tue, 1 Sep, returning Thu, 1 Oct.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Tue, 1 Sep, arriving in Colombo Bandaranayake.Inbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Thu, 1 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,671, select.

Colombo.$1,689 per passenger.Departing Thu, 10 Sep, returning Thu, 24 Sep.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Thu, 10 Sep, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 24 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,689, select.

Colombo.$1,712 per passenger.Departing Mon, 19 Apr, returning Fri, 30 Apr.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Mon, 19 Apr, arriving in Colombo Bandaranayake.Inbound indirect flight with Turkish Airlines, departs from Colombo Bandaranayake on Fri, 30 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $1,712, select.

Colombo.$1,722 per passenger.Departing Tue, 12 Jan, returning Wed, 10 Feb.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Tue, 12 Jan, arriving in Colombo Bandaranayake.Inbound indirect flight with Turkish Airlines, departs from Colombo Bandaranayake on Wed, 10 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $1,722, select.

Colombo.$1,722 per passenger.Departing Wed, 26 Aug, returning Tue, 22 Sep.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Wed, 26 Aug, arriving in Colombo Bandaranayake.Inbound indirect flight with Turkish Airlines, departs from Colombo Bandaranayake on Tue, 22 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,722, select.

Colombo.$1,732 per passenger.Departing Wed, 26 Aug, returning Thu, 22 Oct.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 26 Aug, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 22 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,732, select.

Colombo.$1,733 per passenger.Departing Thu, 1 Oct, returning Thu, 8 Oct.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Thu, 1 Oct, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 8 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,733, select.

Colombo.$1,744 per passenger.Departing Tue, 18 Aug, returning Thu, 27 Aug.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 18 Aug, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Thu, 27 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,744, select.

Colombo.$1,769 per passenger.Departing Mon, 1 Mar, returning Mon, 8 Mar.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Mon, 1 Mar, arriving in Colombo Bandaranayake.Inbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Mon, 8 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,769, select.

Colombo.$1,793 per passenger.Departing Thu, 30 Jul, returning Mon, 24 Aug.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Thu, 30 Jul, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Mon, 24 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,793, select.

Colombo.$1,810 per passenger.Departing Thu, 29 Oct, returning Fri, 20 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Thu, 29 Oct, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Fri, 20 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,810, select.

Colombo.$1,821 per passenger.Departing Mon, 18 Jan, returning Wed, 27 Jan.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Mon, 18 Jan, arriving in Colombo Bandaranayake.Inbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Wed, 27 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $1,821, select.

Colombo.$1,822 per passenger.Departing Sun, 28 Feb, returning Fri, 12 Mar.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Sun, 28 Feb, arriving in Colombo Bandaranayake.Inbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Fri, 12 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,822, select.

Colombo.$1,837 per passenger.Departing Thu, 5 Nov, returning Sat, 14 Nov.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Thu, 5 Nov, arriving in Colombo Bandaranayake.Inbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Sat, 14 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,837, select.

Colombo.$1,890 per passenger.Departing Sat, 13 Feb, returning Fri, 26 Feb.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Washington Dulles on Sat, 13 Feb, arriving in Colombo Bandaranayake.Inbound indirect flight with Qatar Airways, departs from Colombo Bandaranayake on Fri, 26 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $1,890, select.

Colombo.$1,899 per passenger.Departing Fri, 29 May, returning Mon, 6 Jul.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Fri, 29 May, arriving in Colombo Bandaranayake.Inbound indirect flight with Etihad Airways, departs from Colombo Bandaranayake on Mon, 6 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $1,899, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Colombo Bandaranayake flights are currently cheapest in September.

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Washington Dulles to Colombo Bandaranayake: Alternative routes

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

Washington D.C. to Colombo: Flight information

The things to know before you go.

Cheapest flight found	$1,671
Cheapest month to fly	September

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

How much are return flights from Washington Dulles to Colombo Bandaranayake?

The best price we found for a return flight from Washington Dulles to Colombo Bandaranayake is $1,671. 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.

Which airlines fly direct from Washington Dulles to Colombo Bandaranayake?

Currently, there are no airlines that fly direct from Washington Dulles to Colombo Bandaranayake. But we found flights with one or more stops from $1,671.

How many flights are there a week from Washington Dulles to Colombo Bandaranayake?

As of May 2026, there are no flights flying from Washington Dulles to Colombo Bandaranayake.

When is the cheapest time to fly from Washington Dulles to Colombo Bandaranayake?

The cheapest month to fly from Washington Dulles to Colombo Bandaranayake is usually September.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Colombo Bandaranayake Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Colombo Bandaranayake Airport on Tuesday, 1 September 2026.

Can I get a direct flight from Washington Dulles Airport to Colombo Bandaranayake Airport?

No airlines currently offer direct flights between Washington Dulles Airport and Colombo Bandaranayake Airport. Most routes have one or more stops.

How can I find the best flight deal to Colombo Bandaranayake?

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 Colombo Bandaranayake 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.

When is the best time to book flights to Colombo?

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

Which is the cheapest airline to fly from Washington Dulles Airport to Colombo Bandaranayake with?

Currently, Qatar Airways offers the cheapest flight tickets to Colombo Bandaranayake.

Flying from Washington Dulles International Airport (IAD) to Bandaranaike International Airport (CMB): what you need to know

Colombo is nine hours 30 minutes ahead of Washington DC and follows the UTC+5:30 timezone.
Give yourself enough time to catch your IAD to CMB flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
Be prepared for longer lines in popular months like April. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.
If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Washington Dulles International Airport to Bandaranaike International Airport. These are the most popular stopovers between IAD and CMB:
- Hamad International Airport
- Dubai Airport
- Abu Dhabi International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Bandaranaike International Airport (CMB)

$797 is the best price for a one-way Washington Dulles International Airport to Bandaranaike International Airport flight. A return flight starts from $1,671. These fares can change based on availability and demand.
To pick up cheap tickets from IAD to CMB, book as early as you can. Airlines usually offer their most competitively priced fares when flights are first released.
Getting cheap flights from Washington Dulles International Airport to Bandaranaike International Airport is easy if you're flexible with your travel plans. Use the 'Whole month' search function to see the lowest prices across the month and land a great deal.
Picking up cheap flights from IAD to CMB couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when fares go down.
Tailor your flights using filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Washington Dulles International Airport to Bandaranaike International Airport.

Handy information about Washington Dulles International Airport (IAD)

IAD's address is 1 Saarinen Circle.
Of all flights leaving Washington Dulles International Airport, 74.39% land on time at their destination.
To get to Washington Dulles International Airport from central Washington DC, it takes around 50 minutes if you're going by car. This depends on traffic, however. It's approximately 56 kilometres from the airport to the city centre.
Catching public transport? Expect a trip time of around 3 hours 25 minutes.
Searching for a handy hotel close to IAD? If you've booked an early flight from Washington Dulles International Airport to Bandaranaike International Airport, these stays will put you moments from check-in:

Arriving at Bandaranaike International Airport (CMB)

Book a hotel close to CMB if you have a late Washington Dulles International Airport to Bandaranaike International Airport flight. Check in to one of these accommodation options and skip the long transfer:
Pick up a Bandaranaike International Airport rental car and discover Colombo and beyond with your own wheels. Sr Rent A Car, Green Motion and Sixt are popular providers to choose from here.
For the lowest price, reserve your vehicle from Bandaranaike International Airport around two weeks ahead.

Getting from Bandaranaike International Airport (CMB) to central Colombo

Bandaranaike International Airport is roughly 32 kilometres from central Colombo. The drive time takes around 40 minutes.
It'll take around 1 hour 30 minutes to get there by public transport.

When to fly to Bandaranaike International Airport (CMB)

The quietest month for a flight from Washington Dulles International Airport to Bandaranaike International Airport is April, while February is the most popular. Pick the ideal time to go to Colombo based on whether you prefer a more relaxed vibe or a faster pace.
The warmest month in Colombo is March, with temperatures ranging between 24ºC and 33ºC. Book your flights from Washington Dulles International Airport to Bandaranaike International Airport in this month if you enjoy this type of weather.
If you want to travel in cooler conditions, look for a cheap ticket from IAD to CMB in January. Temperatures average between 22ºC and 32ºC then.

Explore more of Sri Lanka

You've done Colombo, now it's time to explore other parts of Sri Lanka. Travel around 18 kilometres south to Moratuwa to check off its leading sights. From Boat House to Angulana Beach and Dilmah Conservation One Earth Arboretum, you'll have a full itinerary ahead.
If you're looking to explore another well-known destination in Sri Lanka, head for Jaffna, roughly 306 kilometres north of Colombo. Jaffna Fort, Dambakola Patuna Sangamitta Temple and Jaffna Public Library are among its highlights.