Cheapest return flights from Thessaloniki to Sofia in December from $163

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

Return flights

12 Dec - 15 Dec Ryanair
01 Dec - 04 Dec Ryanair
09 Dec - 14 Dec Aegean Airlines
04 Dec - 07 Dec Aegean Airlines
13 Dec - 23 Dec Aegean Airlines
22 Dec - 30 Dec Ryanair
20 Dec - 23 Dec Ryanair
22 Dec - 25 Dec Wizz Air
07 Dec - 15 Dec SKY express
07 Dec - 18 Dec SKY express
29 Dec - 02 Jan Ryanair
31 Dec - 04 Jan Ryanair

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

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