How do I get Price Alerts for flights from Seattle to Kos?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from Kos . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Seattle to Kos with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

$1,089 Cheap Flights from Seattle to Kos in 2026

1 adult

0 bags

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Find the cheapest flights from Seattle to Kos

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 8:50 am

SEA

KGS

31h 40m

2 stops

12:35 pm - 1:10 pm

KGS

SEA

33h 35m

2 stops

$1,189Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

4:10 pm - 11:30 am

SEA

KGS

34h 20m

3 stops

9:45 pm - 4:40 pm

KGS

SEA

27h 55m

2 stops

$1,299Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

4:10 pm - 11:30 am

SEA

KGS

34h 20m

3 stops

12:00 pm - 1:10 pm

KGS

SEA

34h 10m

3 stops

$1,337Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

4:05 pm - 5:05 pm

SEA

KGS

39h 00m

2 stops

2:20 pm - 1:35 pm

KGS

SEA

56h 15m

2 stops

$2,254Emirates

Wed, Mar 4 - Sun, Mar 8

4:05 pm - 5:05 pm

SEA

KGS

39h 00m

2 stops

2:20 pm - 1:35 pm

KGS

SEA

56h 15m

2 stops

$2,522Emirates

Wed, Mar 4 - Sun, Mar 8

5:05 pm - 5:05 pm

SEA

KGS

39h 00m

2 stops

12:35 pm - 1:35 pm

KGS

SEA

34h 00m

2 stops

$5,145Emirates

Wed, Mar 18 - Wed, Mar 25

Emirates flights from Seattle to Kos

Our best Emirates deals on Seattle to Kos flight tickets

Emirates

Mar 4

SEA4:05 pmSeattle/Tacoma Intl

39h 00m

2 stops

KGS5:05 pmKos

Mar 8

KGS2:20 pmKos

56h 15m

2 stops

SEA1:35 pmSeattle/Tacoma Intl

$2,254

Emirates

Mar 4

SEA4:05 pmSeattle/Tacoma Intl

39h 00m

2 stops

KGS5:05 pmKos

Mar 8

KGS2:20 pmKos

56h 15m

2 stops

SEA1:35 pmSeattle/Tacoma Intl

$2,522

Emirates

Mar 18

SEA5:05 pmSeattle/Tacoma Intl

39h 00m

2 stops

KGS5:05 pmKos

Mar 25

KGS12:35 pmKos

34h 00m

2 stops

SEA1:35 pmSeattle/Tacoma Intl

$5,145

Fly from

Fly to

Route

Depart

Return

Price

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Wed 3/18

4:10 pm-8:50 am

2 stops31h 40m

Kos

Wed 3/25

12:35 pm-1:10 pm

2 stops33h 35m

$1,189

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Wed 3/18

4:10 pm-11:30 am

3 stops34h 20m

Kos

Wed 3/25

9:45 pm-4:40 pm

2 stops27h 55m

$1,299

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Wed 3/18

4:10 pm-11:30 am

3 stops34h 20m

Kos

Wed 3/25

12:00 pm-1:10 pm

3 stops34h 10m

$1,337

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Wed 3/4

4:05 pm-5:05 pm

2 stops39h 00m

Kos

Sun 3/8

2:20 pm-1:35 pm

2 stops56h 15m

$2,254

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Wed 3/4

4:05 pm-5:05 pm

2 stops39h 00m

Kos

Sun 3/8

2:20 pm-1:35 pm

2 stops56h 15m

$2,522

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Wed 3/18

5:05 pm-5:05 pm

2 stops39h 00m

Kos

Wed 3/25

12:35 pm-1:35 pm

2 stops34h 00m

$5,145

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time	30h 55m
Direct flights	None

The fastest flight from Seattle to Kos takes 30h 55m

There are no direct flights from Seattle to Kos. There are no popular flight routes from Seattle to Kos.

Search flight deals

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 30h 55m.
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.

How do I get Price Alerts for flights from Seattle to Kos?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from Kos. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Seattle to Kos with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Kardamena

Marmari

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.