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

Return flights

07 Dec - 15 Dec	Ryanair
07 Dec - 14 Dec	Ryanair
05 Dec - 15 Dec	Ryanair
05 Dec - 14 Dec	Ryanair
05 Dec - 05 Dec	Ryanair
07 Dec - 28 Dec	Ryanair	direct
12 Dec - 15 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
12 Dec - 28 Dec	Ryanair	direct
07 Dec - 16 Dec	Ryanair
12 Dec - 02 Jan	Ryanair	direct
19 Dec - 05 Jan	Ryanair
20 Dec - 09 Jan	Aegean Airlines	direct
26 Dec - 03 Jan	Air Serbia
25 Dec - 02 Jan	Air Serbia
25 Dec - 03 Jan	Air Serbia
20 Dec - 02 Jan	Aegean Airlines
20 Dec - 05 Jan	Aegean Airlines
14 Dec - 02 Jan	Ryanair	direct
28 Dec - 12 Jan	Ryanair

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 147€

Return flights