Cheapest return flights from Athens to Sofia in December from $89

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

Return flights

08 Dec - 10 Dec SKY express direct
11 Dec - 25 Dec SKY express direct
03 Dec - 04 Dec SKY express direct
03 Dec - 10 Dec SKY express direct
03 Dec - 08 Dec SKY express direct
01 Dec - 03 Dec SKY express direct
01 Dec - 08 Dec SKY express direct
01 Dec - 04 Dec SKY express direct
01 Dec - 10 Dec SKY express direct
02 Dec - 04 Dec Aegean Airlines direct
17 Dec - 01 Jan SKY express direct
31 Dec - 08 Jan SKY express direct
31 Dec - 01 Jan SKY express direct
31 Dec - 14 Jan SKY express direct
31 Dec - 09 Jan SKY express direct
31 Dec - 12 Jan SKY express direct
31 Dec - 11 Jan SKY express direct
28 Dec - 08 Jan SKY express direct
28 Dec - 01 Jan SKY express direct
28 Dec - 14 Jan SKY express direct

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

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