Cheapest return flights from Athens to Istanbul in December from $79

AirHint found the following cheapest return flights from Athens (ATH) to Istanbul (IST) in December 2025 (see full year).

Return flights

02 Dec - 17 Dec SKY express direct
02 Dec - 10 Dec SKY express direct
16 Dec - 17 Dec Pegasus Airlines direct
12 Dec - 15 Dec Pegasus Airlines direct
12 Dec - 17 Dec Aegean Airlines direct
13 Dec - 17 Dec Pegasus Airlines direct
10 Dec - 15 Dec Aegean Airlines direct
06 Dec - 10 Dec Pegasus Airlines direct
18 Dec - 21 Dec Aegean Airlines direct
03 Dec - 10 Dec Aegean Airlines direct
17 Dec - 13 Jan Pegasus Airlines direct
17 Dec - 11 Jan Pegasus Airlines direct
01 Dec - 22 Jan SKY express direct
28 Dec - 02 Jan Sichuan Airlines direct
31 Dec - 04 Jan Sichuan Airlines direct
31 Dec - 02 Jan Sichuan Airlines direct
22 Dec - 11 Jan Aegean Airlines direct
21 Dec - 12 Jan Aegean Airlines direct
29 Dec - 09 Jan Aegean Airlines direct
28 Dec - 04 Jan Sichuan Airlines direct

Also check the deals for one-way flights from Athens to Istanbul in December.

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