S$612 Cheap Flights from Washington to Colombo

View S$612 flight on Wed, 15 Oct, 2025Opens in a new window

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Cheap Flights from Washington to Colombo (IAD-CMB)

Prices were available within the past 7 days and start at S$612 for one-way flights and S$1,757 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$1,757 Return, found 1 day ago
S$1,757
Return
found 1 day ago
Select Etihad Airways flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$1,757 found 1 day ago
Etihad Airways
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$1,893 Return, found 1 day ago
S$1,893
Return
found 1 day ago
Select Etihad Airways flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$1,893 found 1 day ago
American Airlines
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,038 Return, found 1 day ago
S$2,038
Return
found 1 day ago
Select American Airlines flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,038 found 1 day ago
Qatar Airways
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,095 Return, found 1 day ago
S$2,095
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,095 found 1 day ago
American Airlines
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,147 Return, found 1 day ago
S$2,147
Return
found 1 day ago
Select American Airlines flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,147 found 1 day ago
Qatar Airways
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,203 Return, found 1 day ago
S$2,203
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,203 found 1 day ago
United
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,214 Return, found 1 day ago
S$2,214
Return
found 1 day ago
Select United flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,214 found 1 day ago
Qatar Airways
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,225 Return, found 1 day ago
S$2,225
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,225 found 1 day ago
United
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,246 Return, found 1 day ago
S$2,246
Return
found 1 day ago
Select United flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,246 found 1 day ago
Swiss International Air Lines
Wed, 16 Jul - Tue, 22 Jul
IAD
Washington
CMB
Colombo
S$2,248 Return, found 1 day ago
S$2,248
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 16 Jul from Washington to Colombo, returning Tue, 22 Jul, priced at S$2,248 found 1 day ago
Washington to Colombo route information
Origin airport
Washington Dulles Intl.
Destination airport
Bandaranaike Intl.
Return price
S$1,756
Distance
14294 km

Flights from Chantilly to Seeduwa - Katunayake

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Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Colombo International Airport?
Start packing your bags, because round-trip flights between Dulles Intl. Airport and Colombo International Airport start from S$1,757. That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Colombo International Airport?
The majority of flights can be cancelled online, but each air carrier has different terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD to Colombo International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Washington Dulles Intl. Airport (IAD) to CMB flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Dulles Intl. Airport to Colombo International Airport?
With a flight distance of 14,400 kilometres between Chantilly and Seeduwa - Katunayake, this is a long-haul trip. Remember to stay hydrated and move your legs every now and then.
Which airlines fly direct from Dulles Intl. Airport to CMB?
Unfortunately, there aren’t any airlines that directly fly between IAD and CMB. You’ll need to book a flight with one or more stops.
Are IAD to CMB flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some super cheap airfares from Dulles Intl. Airport to Bandaranaike Intl. Airport (CMB) appearing a few weeks prior to the departure date. If you’d rather plan ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines advertise prices so far in advance.

Explore a world of travel with Expedia

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