SEA - KGS

$1,188 Find Cheap Flights from Seattle 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 Seattle to Kos departing on 3/18. 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, 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 Seattle 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 Seattle to Kos, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$1,188
Multiple Airlines
Wed 3/18Wed 3/25
SEA - KGS • 2 stops
Cheapest one-way
Multiple Airlines
Wed 2/4
SEA - KGS • multi-stop
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We hope you love your trip to Kos!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Seattle to Kos (SEA-KGS)

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

Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
4:10 pm - 8:05 pm
SEA
-
KGS
18h 55m
2 stops
Multiple Airlines Logo
12:35 pm - 1:10 pm
KGS
-
SEA
33h 35m
2 stops
$1,188Multiple Airlines
Sat, Jun 6 - Tue, Jun 16
Multiple Airlines Logo
9:55 am - 10:10 am
SEA
-
KGS
38h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 6:30 pm
KGS
-
SEA
32h 00m
2 stops
$1,195Multiple Airlines
Sat, Jun 6 - Tue, Jun 16
Multiple Airlines Logo
4:30 pm - 10:10 am
SEA
-
KGS
31h 40m
1 stop
Multiple Airlines Logo
8:30 pm - 9:17 am
KGS
-
SEA
46h 47m
2 stops
$1,200Multiple Airlines
Sat, Jun 6 - Tue, Jun 16
SWISS Logo
9:55 am - 5:05 pm
SEA
-
KGS
21h 10m
2 stops
SWISS Logo
8:30 pm - 6:30 pm
KGS
-
SEA
32h 00m
2 stops
$1,203SWISS
Sat, Jun 6 - Tue, Jun 16
SWISS Logo
4:30 pm - 10:10 am
SEA
-
KGS
31h 40m
1 stop
SWISS Logo
8:30 pm - 6:30 pm
KGS
-
SEA
32h 00m
2 stops
$1,205SWISS
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
4:10 pm - 11:30 am
SEA
-
KGS
34h 20m
3 stops
Multiple Airlines Logo
9:45 pm - 4:40 pm
KGS
-
SEA
27h 55m
2 stops
$1,276Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
4:10 pm - 11:30 am
SEA
-
KGS
34h 20m
3 stops
Multiple Airlines Logo
8:35 pm - 4:40 pm
KGS
-
SEA
29h 05m
3 stops
$1,280Multiple Airlines
Sat, Jun 6 - Tue, Jun 16
Multiple Airlines Logo
3:40 pm - 10:15 pm
SEA
-
KGS
20h 35m
2 stops
Multiple Airlines Logo
8:35 am - 8:40 pm
KGS
-
SEA
22h 05m
3 stops
$1,345Multiple Airlines
Sat, Jun 6 - Tue, Jun 16
Multiple Airlines Logo
6:50 pm - 12:35 am
SEA
-
KGS
19h 45m
3 stops
Multiple Airlines Logo
8:35 am - 8:40 pm
KGS
-
SEA
22h 05m
3 stops
$1,367Multiple Airlines
Sat, Jun 6 - Tue, Jun 16
British Airways Logo
1:35 pm - 7:55 pm
SEA
-
KGS
20h 20m
1 stop
British Airways Logo
2:20 pm - 11:35 am
KGS
-
SEA
31h 15m
1 stop
$1,411British Airways
Useful Info

Good to know

Cheapest flight$1,188
Flight from Seattle to Kos

When to book flights from Seattle to Kos

Are your dates flexible? Find out the best times to travel from Seattle 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 Seattle to Kos

  • What is the cheapest flight from Seattle to Kos?

    In the last 3 days, the lowest price for a flight from Seattle to Kos was $1,188 for a round-trip ticket.

  • Do I need a passport to fly between Seattle and Kos?

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

  • Which airports will I be using when flying from Seattle to Kos?

    When flying out of Seattle you will be using Seattle/Tacoma Intl. You will be landing at Kos, also known as Kos.

  • Which aircraft models fly most regularly from Seattle to Kos?

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

  • How does KAYAK find such low prices on flights from Seattle 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 Seattle to Kos.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Seattle 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 Seattle 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 Seattle with another airline. Booking your flights between Seattle 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 Seattle 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 Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Seattle to Kos?

    In the past 3 days, the cheapest round-trip tickets from Seattle to Kos were found on SWISS ($1,203) and British Airways ($1,411).

Everything you need to know for your flight from Seattle to Kos

Information on your arrival and departure airports

Seattle (SEA)
Kos (KGS)