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Cheap flights from Seattle to Kos from $548

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kos departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Kos

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Kos that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Kos.

Cheap last minute flights

Planning a quick getaway from Seattle to Kos? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Kos, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Kos

Find recent round-trip train or bus tickets from Seattle to Kos.

All round-trip flight deals from Seattle to Kos

The cheapest plane tickets from Seattle to Kos found on KAYAK recently.
2:35 pm - 11:55 amSEA-KGS
35h 20m3 stops
8:35 pm - 6:00 pmKGS-SEA
54h 25m3 stops
Mon, Mar 3 - Mon, Mar 10
5:20 pm - 9:15 pmSEA-KGS
17h 55m2 stops
8:35 pm - 4:00 pmKGS-SEA
28h 25m2 stops
Mon, Mar 3 - Mon, Mar 10
5:20 pm - 9:15 pmSEA-KGS
17h 55m2 stops
9:45 pm - 4:00 pmKGS-SEA
27h 15m2 stops
Mon, Mar 3 - Mon, Mar 10
2:00 pm - 9:50 pmSEA-KGS
21h 50m2 stops
9:45 pm - 1:10 pmKGS-SEA
24h 25m2 stops
Thu, Mar 6 - Thu, Mar 13
5:45 pm - 11:55 amSEA-KGS
32h 10m2 stops
12:35 pm - 12:20 pmKGS-SEA
32h 45m3 stops
Mon, Mar 3 - Mon, Mar 10
7:00 pm - 7:30 pmSEA-KGS
38h 30m3 stops
5:15 pm - 6:05 pmKGS-SEA
33h 50m2 stops
Tue, Mar 4 - Tue, Mar 11
5:45 am - 9:50 pmSEA-KGS
30h 05m3 stops
9:45 pm - 2:20 pmKGS-SEA
25h 35m2 stops
Thu, Mar 6 - Thu, Mar 13
2:00 pm - 9:15 pmSEA-KGS
21h 15m2 stops
9:45 pm - 1:10 pmKGS-SEA
24h 25m2 stops
Fri, Mar 7 - Fri, Mar 14
5:20 pm - 12:05 pmSEA-KGS
32h 45m2 stops
12:35 pm - 2:25 pmKGS-SEA
34h 50m2 stops
Thu, Mar 6 - Thu, Mar 13
5:45 pm - 11:55 amSEA-KGS
32h 10m2 stops
12:35 pm - 12:20 pmKGS-SEA
32h 45m3 stops
Mon, Mar 3 - Mon, Mar 10
3:15 pm - 9:50 pmSEA-KGS
44h 35m3 stops
Fri, Mar 7
3:45 pm - 10:55 pmSEA-KGS
21h 10m2 stops
Tue, Jul 15
2:20 pm - 8:05 amSEA-KGS
31h 45m3 stops
Tue, Jul 15
6:50 pm - 12:05 pmSEA-KGS
31h 15m2 stops
Fri, Mar 7

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 day to depart on your flight to Kos?

The cheapest day to depart from Seattle to Kos is on a Tuesday when prices can be found for as low as $1,160. On the other hand, Wednesday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,232.

What is the cheapest time of day to depart on your flight to Kos?

Flying to Kos from Seattle at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,138 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,182 on average. Flights to Kos from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

$548

Fastest flight time

17h 55m

Direct flights

None

Airports in Kos

1 airport
The best one-way flight to Kos from Seattle in the past 72 hours is $548. The best round-trip flight deal from Seattle to Kos found on momondo in the last 72 hours is $881.
The fastest flight from Seattle to Kos takes 17h 55m
There are no direct flights from Seattle to Kos. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Kos Airport.
There is 1 airport near Kos: Kos (KGS)

  • 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 17h 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.


Traveling to a place near Kos?

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


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