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

Return flights

05 Dec - 07 Dec	Ryanair	direct
05 Dec - 12 Dec	Ryanair	direct
12 Dec - 14 Dec	Ryanair	direct
12 Dec - 19 Dec	Ryanair	direct
12 Dec - 22 Dec	Ryanair
07 Dec - 29 Dec	Ryanair	direct
10 Dec - 21 Dec	Aegean Airlines	direct
01 Dec - 09 Dec	Aegean Airlines	direct
11 Dec - 15 Dec	Aegean Airlines	direct
01 Dec - 07 Dec	Air Serbia
24 Dec - 11 Jan	Air Serbia
19 Dec - 05 Jan	Air Serbia
28 Dec - 01 Jan	Ryanair
17 Dec - 05 Jan	Air Serbia
17 Dec - 09 Jan	Air Serbia
19 Dec - 09 Jan	Air Serbia
17 Dec - 11 Jan	Air Serbia
22 Dec - 07 Jan	Air Serbia
22 Dec - 02 Jan	Air Serbia
17 Dec - 07 Jan	Air Serbia

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Frankfurt to Thessaloniki in December from 60€

Return flights