IAD - KGS

$619 Find Cheap Flights from Washington Dulles Airport 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 Dulles Intl to Kos departing on 8/18. 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

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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Flights Deals

Cheap Flights from Dulles Intl to Kos (IAD-KGS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl 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 Dulles Intl to Kos

Mon, Aug 18 - Mon, Aug 25
SWISS Logo
8:45 pm - 7:40 pmIAD-KGS
15h 55m1 stop
SWISS Logo
11:00 am - 4:15 pmKGS-IAD
36h 15m1 stop
$619SWISS
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Tue, Aug 19 - Mon, Aug 25
Logo
5:16 pm - 7:05 pmIAD-KGS
18h 49m2 stops
Logo
11:00 am - 4:15 pmKGS-IAD
36h 15m1 stop
$625
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Mon, Aug 18 - Mon, Aug 25
Logo
8:45 pm - 7:40 pmIAD-KGS
15h 55m1 stop
Logo
12:40 pm - 1:30 pmKGS-IAD
31h 50m2 stops
$653
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Tue, Aug 19 - Mon, Aug 25
Lufthansa Logo
5:16 pm - 7:05 pmIAD-KGS
18h 49m2 stops
Lufthansa Logo
12:40 pm - 1:30 pmKGS-IAD
31h 50m2 stops
$659Lufthansa
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Tue, Aug 19 - Mon, Aug 25
Lufthansa Logo
5:16 pm - 7:05 pmIAD-KGS
18h 49m2 stops
Lufthansa Logo
12:40 pm - 3:50 pmKGS-IAD
34h 10m2 stops
$660Lufthansa
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Mon, Aug 18 - Mon, Aug 25
Lufthansa Logo
10:20 pm - 12:40 pmIAD-KGS
31h 20m2 stops
Lufthansa Logo
12:40 pm - 9:19 pmKGS-IAD
39h 39m2 stops
$685Lufthansa
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Mon, Aug 4 - Thu, Aug 14
Brussels Airlines Logo
5:35 pm - 10:15 amIAD-KGS
33h 40m1 stop
Brussels Airlines Logo
11:25 am - 1:30 pmKGS-IAD
33h 05m1 stop
$1,266Brussels Airlines
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Fri, Aug 1 - Thu, Aug 14
Brussels Airlines Logo
5:35 pm - 10:25 amIAD-KGS
33h 50m1 stop
Brussels Airlines Logo
11:25 am - 1:30 pmKGS-IAD
33h 05m1 stop
$1,326Brussels Airlines
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Tue, Aug 5 - Sun, Aug 17
Austrian Airlines Logo
5:25 pm - 8:50 pmIAD-KGS
20h 25m1 stop
Austrian Airlines Logo
10:00 am - 2:35 pmKGS-IAD
35h 35m1 stop
$1,406Austrian Airlines
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Sun, Aug 3 - Sat, Aug 16
Austrian Airlines Logo
5:25 pm - 8:00 pmIAD-KGS
19h 35m1 stop
Austrian Airlines Logo
6:45 pm - 2:35 pmKGS-IAD
26h 50m1 stop
$1,545Austrian Airlines
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KAYAK's insights & trends for Dulles Intl to Kos flights

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

Which airlines provide the cheapest flights from Washington Dulles Airport to Kos?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Washington Dulles Airport to Kos were found on SWISS ($619) and Lufthansa ($659).

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Good to know

Cheapest flight$619
Flight from Washington Dulles Airport to Kos

When to book flights from Dulles Intl to Kos

Are your dates flexible? Find out the best times to travel from Dulles Intl 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 Washington Dulles Airport to Kos flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Kos was $619 for a round-trip ticket.

  • Do I need a passport to fly between Washington Dulles Airport and Kos?

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

  • Which aircraft models fly most regularly from Washington Dulles Airport to Kos?

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

  • Which airline alliances offer flights from Washington Dulles Airport to Kos?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Kos.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to Kos.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Washington Dulles Airport 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 Dulles Airport 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 Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and KGS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport 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 Dulles Airport 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 Dulles Intl to Kos

Information on your arrival and departure airports

Washington Dulles Airport (IAD)
Kos (KGS)

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