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Cheap flights from Seattle to Kos from $339

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Kos

Cheap round-trip flights

Enter your travel dates to find the best prices.
Emirates Logo
5:15 pm - 5:35 pmSEA  Seattle/Tacoma Intl-KGS Kos
38h 20m2 stops Dubai Intl Athens Eleftherios V.
Emirates Logo
6:05 pm - 1:25 pmKGS  Kos-SEA Seattle/Tacoma Intl
29h 20m2 stops Athens Eleftherios V. Dubai Intl
$1,831Emirates
Sun, Oct 18 - Thu, Oct 22
Emirates Logo
5:15 pm - 5:35 pmSEA  Seattle/Tacoma Intl-KGS Kos
38h 20m2 stops Dubai Intl Athens Eleftherios V.
Emirates Logo
6:05 pm - 1:25 pmKGS  Kos-SEA Seattle/Tacoma Intl
29h 20m2 stops Athens Eleftherios V. Dubai Intl
$1,832Emirates
Sun, Oct 18 - Thu, Oct 22

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Emirates flights from Seattle to Kos

Our best Emirates deals on Seattle to Kos flight tickets
Emirates
Oct 18
SEA5:15 pmSeattle/Tacoma Intl
38h 20m
2 stops
KGS5:35 pmKos
Oct 22
KGS6:05 pmKos
29h 20m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,831
Emirates
Oct 18
SEA5:15 pmSeattle/Tacoma Intl
38h 20m
2 stops
KGS5:35 pmKos
Oct 22
KGS6:05 pmKos
29h 20m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,832

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Kos that are best for you.

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

SeattleKos

SEA Seattle/Tacoma Intl - KGS Kos

SEAKGS

Seattle/Tacoma Intl

Sun 10/18

5:15 pm-5:35 pm

2 stops38h 20m

Kos

Thu 10/22

6:05 pm-1:25 pm

2 stops29h 20m

$1,831

SeattleKos

SEA Seattle/Tacoma Intl - KGS Kos

SEAKGS

Seattle/Tacoma Intl

Sun 10/18

5:15 pm-5:35 pm

2 stops38h 20m

Kos

Thu 10/22

6:05 pm-1:25 pm

2 stops29h 20m

$1,832
Cheapest one-way

SeattleKos

SEA Seattle/Tacoma Intl - KGS Kos

SEAKGS

Seattle/Tacoma Intl

Sat 10/10

3:40 pm-11:35 am

2 stops33h 55m

$339
Quickest one-way

SeattleKos

SEA Seattle/Tacoma Intl - KGS Kos

SEAKGS

Seattle/Tacoma Intl

Sat 10/10

10:30 am-8:15 pm

3 stops23h 45m

$422

SeattleKos

SEA Seattle/Tacoma Intl - KGS Kos

SEAKGS

Seattle/Tacoma Intl

Sat 10/10

6:00 pm-6:00 pm

1 stop38h 00m

$646

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kos from

How to get the cheapest flight ticket from Seattle to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Kos?

Condor is the most popular carrier operating from Seattle/Tacoma Intl to Kos

When to book flights from Seattle to Kos

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Kos according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Kos (SEA to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Kos

Best Price Found

$339

Fastest flight time

38h 20m

Direct flights

None
The best one-way flight to Kos from Seattle in the past 72 hours is $339. The best round-trip flight deal from Seattle to Kos found on momondo in the last 72 hours is $1,831.
The fastest flight from Seattle to Kos takes 38h 20m
There are no direct flights from Seattle to Kos. There are no popular flight routes from Seattle to Kos.
Search flight deals

Frequently asked questions about flying from Seattle to Kos

  • How far is Seattle/Tacoma Intl to Kos by plane?

    There are 6300.1 mi between Seattle/Tacoma Intl and Kos. In terms of flight time, this usually takes a little over 38h 20m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kos Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kos Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kos Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The travel and health documents you'll need for your trip to Kos Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kos Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Kos?

Finding the right flight to Kos from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kos quick and easy, saving you time and money.

Can I find flights from Seattle to Kos with flexible booking policies on momondo?

Flights from Seattle to Kos with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Kos?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kos from Seattle.

I’m not ready to book a flight from Seattle to Kos right now. Can momondo alert me if prices change?

Price alerts on flights to Kos from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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