Affordable flights from Seattle (SEA) to Kos (KGS) from US$ 639.99*
Upcoming flights from Seattle to Kos
Seattle
Kos
08.05.2025
from US$ 899.99*
Seattle
Kos
10.05.2025
from US$ 1.019.99*
Seattle
Kos
15.05.2025
from US$ 1.019.99*
Seattle
Kos
17.05.2025
from US$ 1.989.99*
Seattle
Kos
22.05.2025
from US$ 1.989.99*
Seattle
Kos
24.05.2025
from US$ 1.989.99*
Seattle
Kos
26.05.2025
from US$ 1.879.99*
Seattle
Kos
29.05.2025
from US$ 1.989.99*
Seattle
Kos
31.05.2025
from US$ 1.879.99*
Seattle
Kos
02.06.2025
from US$ 1.879.99*
Seattle
Kos
05.06.2025
from US$ 1.879.99*
Seattle
Kos
07.06.2025
from US$ 2.199.99*
Seattle
Kos
09.06.2025
from US$ 2.199.99*
Seattle
Kos
12.06.2025
from US$ 1.989.99*
Seattle
Kos
14.06.2025
from US$ 1.879.99*
Other flights from North America to Kos
weather Kos
Average
temperature (°C)
- 30
- 20
- 10
- 0
- -10
- -20
- -30
- JAN
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Dream destination Kos
Affordable fares now, when you take off on holiday with Condor!
You can book your Seattle (SEA) - Kos (KGS) flight in Economy Class from just 639.99 US$*. The offer is valid in the month of April 2025, while stocks last.
For all those who want a little more luxury, but at an unbeatable price: In April 2025, flights start at 859.99 US$* in Premium Class – with more comfortable seats and many other extras.
Condor not only offers affordable shorthaul and mediumhaul flights, there are flight offers for longhaul flights as well.
Affordable and convenient holiday flights take off from your departure country, "USA". From April 2025 to October 2025, Condor flights to your dream destination will be roughly 1 a week! Book your Seattle (SEA) - Kos (KGS) flight now, and look forward to your "Greece" destination!
Explore the culture of Kos while enjoying your beach holiday