IAD - KGS

$920 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 10/30. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight 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

Thu, Oct 30 - Thu, Nov 6
Logo
7:00 pm - 7:15 pmIAD-KGS
18h 15m2 stops
Logo
8:40 pm - 8:05 pmKGS-IAD
30h 25m3 stops
$920
Find Deal
Thu, Oct 30 - Thu, Nov 6
Logo
6:30 pm - 11:30 amIAD-KGS
35h 00m3 stops
Logo
8:40 pm - 9:00 pmKGS-IAD
31h 20m3 stops
$1,012
Find Deal
Thu, Oct 30 - Thu, Nov 6
Logo
6:30 pm - 11:05 pmIAD-KGS
22h 35m2 stops
Logo
7:20 pm - 9:00 pmKGS-IAD
32h 40m2 stops
$1,120
Find Deal
Thu, Oct 30 - Thu, Nov 6
Logo
7:00 pm - 9:00 amIAD-KGS
32h 00m1 stop
Logo
7:20 pm - 7:30 pmKGS-IAD
31h 10m2 stops
$1,968
Find Deal
Thu, Oct 30 - Thu, Nov 6
Logo
7:00 pm - 9:00 amIAD-KGS
32h 00m1 stop
Logo
7:20 pm - 8:05 pmKGS-IAD
31h 45m1 stop
$3,931
Find Deal

Everything you should know

Cheapest round-trip
$920
Multiple Airlines
Thu 10/30Thu 11/6
IAD - KGS • 2 stops
Cheapest one-way
Multiple Airlines
Mon 9/15
IAD - 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!
Booking Insights

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.

What is the most popular layover airport when flying from Washington Dulles Airport to Kos?

Percentage of 1-stop round-trip flights from Washington Dulles Airport 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 – 50% of KAYAK users who clicked on 1-stop flights from Washington Dulles Airport to Kos picked an itinerary connecting there.

What is the cheapest layover airport when flying from Washington Dulles Airport to Kos?

Average round-trip price for 1-stop flights from Washington Dulles Airport 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 Dulles Airport to Kos?

Shortest average total travel time for 1-stop one-way flights from Washington Dulles Airport 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 Dulles Airport to Kos?

Average layover duration at different layover airports for 1-stop one-way flights from Washington Dulles Airport 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 Dulles Airport to Kos, with an average of 1h 18m.

Find deals

Good to know

Cheapest flight$920
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 $920 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.

  • 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.