$429 Find Cheap Flights from Washington, D.C. to Sri Lanka - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Sri Lanka departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Washington, D.C. to Sri Lanka Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Sri Lanka that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Sri Lanka

Tue, Nov 3 - Tue, Nov 10
Qatar Airways Logo
8:05 pm - 1:55 am
IAD
-
CMB
19h 20m
1 stop
Qatar Airways Logo
7:30 pm - 10:32 pm
CMB
-
IAD
37h 32m
2 stops
$1,109Qatar Airways
Sat, Aug 15 - Mon, Aug 31
Etihad Airways Logo
3:10 pm - 8:35 am
IAD
-
CMB
31h 55m
1 stop
Etihad Airways Logo
10:00 am - 9:45 am
CMB
-
IAD
33h 15m
1 stop
$1,130Etihad Airways
Thu, Oct 8 - Sat, Oct 24
American Airlines Logo
3:47 pm - 2:05 am
DCA
-
CMB
24h 48m
2 stops
American Airlines Logo
4:35 am - 9:30 pm
CMB
-
DCA
26h 25m
2 stops
$1,135American Airlines
Fri, Sep 4 - Mon, Sep 14
Qatar Airways Logo
2:53 pm - 9:40 am
IAD
-
CMB
33h 17m
2 stops
Qatar Airways Logo
3:35 am - 3:40 pm
CMB
-
IAD
21h 35m
1 stop
$1,141Qatar Airways
Fri, Sep 4 - Tue, Sep 15
Qatar Airways Logo
2:53 pm - 9:40 am
IAD
-
CMB
33h 17m
2 stops
Qatar Airways Logo
4:35 am - 3:40 pm
CMB
-
IAD
20h 35m
1 stop
$1,143Qatar Airways
Sun, Aug 23 - Wed, Oct 7
Etihad Airways Logo
1:25 pm - 8:35 am
DCA
-
CMB
33h 40m
2 stops
Etihad Airways Logo
10:00 am - 7:16 pm
CMB
-
DCA
42h 46m
2 stops
$1,146Etihad Airways
Thu, Aug 27 - Wed, Sep 2
American Airlines Logo
5:39 pm - 3:05 am
DCA
-
CMB
23h 56m
2 stops
American Airlines Logo
3:35 am - 9:13 pm
CMB
-
DCA
27h 08m
2 stops
$1,198American Airlines
Tue, Nov 10 - Tue, Dec 8
Gulf Air Logo
2:00 pm - 9:45 am
DCA
-
CMB
57h 15m
3 stops
Gulf Air Logo
4:55 pm - 6:57 pm
CMB
-
DCA
36h 32m
3 stops
$1,231Gulf Air
Tue, Dec 1 - Mon, Dec 7
Air Canada Logo
4:00 pm - 5:25 am
DCA
-
CMB
26h 55m
2 stops
Air Canada Logo
12:55 pm - 9:59 pm
CMB
-
DCA
43h 34m
2 stops
$1,323Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
6:59 am - 12:45 pm
DCA
-
CMB
44h 16m
2 stops
Air Canada Logo
1:10 pm - 9:50 pm
CMB
-
DCA
42h 10m
2 stops
$1,339Air Canada
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Sri Lanka flights

Get data-powered insights and trends into flights from Washington, D.C. to Sri Lanka to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. to Sri Lanka?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Sri Lanka, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to Sri Lanka is September, when tickets cost $575 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $954 and $862 respectively.

How far in advance should I book a flight from Washington, D.C. to Sri Lanka?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to Sri Lanka, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to Sri Lanka, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Find deals

Good to know

Low seasonOctober
Cheapest flight$429
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Washington Dulles Airport to Colombo

FAQs - booking Sri Lanka flights

  • How does KAYAK find such low prices on flights from Washington, D.C. 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, D.C. to Sri Lanka.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Sri Lanka?

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

  • What is the Hacker Fare option on flights from Washington, D.C. to Sri Lanka?

    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, D.C. to Sri Lanka with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Sri Lanka?

    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, D.C. to Sri Lanka up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Sri Lanka

Cabin class types available on flights to Sri Lanka

Cabin classes available on flights to Sri Lanka. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights from Washington, D.C. to Sri Lanka
Business Class flights from Washington, D.C. to Sri Lanka
Premium Economy Class flights from Washington, D.C. to Sri Lanka
Economy Class flights from Washington, D.C. to Sri Lanka