Are there nonstop flights from Kos (KGS) to Gdańsk (GDN)?

No. The fastest connection is via Warsaw, about 3h 26m of total flying time.

What is the fastest connection from Kos (KGS) to Gdańsk (GDN)?

via Warsaw ≈ 3h 26m, via Wrocław ≈ 3h 33m, via Athens ≈ 3h 34m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Kos International Airport "Ippokratis" (KGS) to Gdańsk Lech Wałęsa Airport (GDN)・2,063 km

No nonstop flights. The fastest connection is via Warsaw (WAW), about 3h 26m of flying time (layover not included).

With milesANA 15,000 miles+ (via WAW)JAL 23,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

33 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.