Cheapest return flights from Kos to Vienna in December from $239

AirHint found the following cheapest return flights from Kos (KGS) to Vienna (VIE) in December 2025 (see full year).

Return flights

02 Dec - 04 Dec SKY express
21 Dec - 02 Jan SKY express
17 Dec - 22 Dec Aegean Airlines
29 Dec - 05 Jan SKY express
29 Dec - 02 Jan SKY express
18 Dec - 23 Dec SKY express
18 Dec - 22 Dec SKY express
26 Dec - 31 Dec Aegean Airlines
25 Dec - 30 Dec SKY express
25 Dec - 26 Dec SKY express
18 Dec - 26 Dec SKY express

Also check the deals for one-way flights from Kos to Vienna in December.

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