WAS - KGS

$1,317 Find Cheap Flights from Washington, D.C. to Kos

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Kos departing on 12/15. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Kos

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Kos, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Kos, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$1,317
Multiple Airlines
Mon 12/15Sun 12/21
IAD - KGS • 2 stops
Cheapest one-way
Multiple Airlines
Thu 10/30
WAS - KGS • multi-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Kos!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Kos (WAS-KGS)

 
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 Kos 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 Kos

Mon, Dec 15 - Sun, Dec 21
Multiple Airlines Logo
5:40 pm - 8:05 pmIAD-KGS
19h 25m2 stops
Multiple Airlines Logo
9:05 pm - 5:05 pmKGS-IAD
27h 00m2 stops
$1,317Multiple Airlines
Find Deal
Mon, Dec 15 - Sun, Dec 21
Multiple Airlines Logo
5:30 pm - 8:05 pmIAD-KGS
19h 35m3 stops
Multiple Airlines Logo
9:05 pm - 7:20 pmKGS-IAD
29h 15m2 stops
$1,409Multiple Airlines
Find Deal
Mon, Dec 15 - Sun, Dec 21
Multiple Airlines Logo
5:30 pm - 8:05 pmIAD-KGS
19h 35m3 stops
Multiple Airlines Logo
12:35 pm - 3:35 pmKGS-IAD
34h 00m3 stops
$1,465Multiple Airlines
Find Deal
Thu, Mar 26 - Mon, Mar 30
Emirates Logo
11:15 am - 5:05 pmIAD-KGS
23h 50m2 stops
Emirates Logo
1:05 pm - 8:40 amKGS-IAD
26h 35m2 stops
$2,236Emirates
Find Deal
Thu, Mar 26 - Mon, Mar 30
Emirates Logo
11:15 am - 5:05 pmIAD-KGS
23h 50m2 stops
Emirates Logo
1:05 pm - 8:40 amKGS-IAD
26h 35m2 stops
$2,396Emirates
Find Deal
Thu, Mar 26 - Mon, Mar 30
Emirates Logo
11:15 am - 5:05 pmIAD-KGS
23h 50m2 stops
Emirates Logo
1:05 pm - 8:40 amKGS-IAD
26h 35m2 stops
$2,634Emirates
Find Deal
Booking Insights

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

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

What is the most popular layover airport when flying from Washington, D.C. to Kos?

Percentage of 1-stop round-trip flights from Washington, D.C. to Kos chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Zurich (ZRH) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Kos picked an itinerary connecting there.

What is the cheapest layover airport when flying from Washington, D.C. to Kos?

Average round-trip price for 1-stop flights from Washington, D.C. to Kos clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Zurich (ZRH) offer the most affordable fares, with an average round-trip price of $671.

Which layover airport offers the shortest total travel time from Washington, D.C. to Kos?

Shortest average total travel time for 1-stop one-way flights from Washington, D.C. to Kos via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Frankfurt am Main (FRA) for the shortest journey. The average one-way travel time for flights connecting there is 12h 15m.

Which layover airport has the quickest connection when flying from Washington, D.C. to Kos?

Average layover duration at different layover airports for 1-stop one-way flights from Washington, D.C. to Kos, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Frankfurt am Main (FRA) often has the shortest layovers from Washington, D.C. to Kos, with an average of 1h 18m.

Good to know

Cheapest flight$1,317
Flight from Washington Dulles Airport to Kos

When to book flights from Washington, D.C. to Kos

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Kos based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Kos

  • What is the cheapest flight from Washington, D.C. to Kos?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Kos was $1,317 for a round-trip ticket.

  • Do I need a passport to fly between Washington, D.C. and Kos?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Kos.

  • Which airports will I be using when flying from Washington, D.C. to Kos?

    On your way to Kos, you’ll fly out from one of these Washington, D.C. airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You’ll be landing at Kos.

  • Which aircraft models fly most regularly from Washington, D.C. to Kos?

    We unfortunately don’t have that data for this specific route.

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

    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 Kos.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Washington, D.C. 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 Kos?

    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 to Kos with an airline and back to Washington, D.C. 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 Kos?

    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 to Kos from Washington, D.C. 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 Kos

Information on your arrival and departure airports

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