$789 Find Cheap Flights from Washington to Sri Lanka

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Sri Lanka.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Sri Lanka is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington to Sri Lanka with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington to Sri Lanka up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 3 airports in Sri Lanka. The busiest airport is Colombo Bandaranaike Intl Airport (CMB), with 99% of all flights arriving there.

Based on KAYAK data, the cheapest day to fly to Sri Lanka is Sunday where round-trip tickets can be as cheap as $1,299. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,513 on average.

The cheapest time of day to fly to Sri Lanka is generally in the afternoon, when round-trip flights cost $1,021 on average. Morning departures are around 5% cheaper than evening flights, on average. The most expensive time of day to fly to Sri Lanka is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,384.

The cheapest month for flights from Washington to Sri Lanka is October, when tickets cost $969 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $1,504 and $1,458 respectively.

To get a below average price on the flight from Washington to Sri Lanka, you should book around 7 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

An average nonstop flight from Washington to Sri Lanka takes 23h 07m, covering a distance of 8474 miles. The shortest route is Seattle (SEA) to Colombo Bandaranaike Intl Airport (CMB) with an average flight time of 21h 05m.