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

Return flights

14 Dec - 15 Dec	Ryanair	direct
23 Dec - 28 Dec	Aegean Airlines	direct
20 Dec - 11 Jan	Aegean Airlines	direct
14 Dec - 19 Dec	Ryanair	direct
14 Dec - 28 Dec	Ryanair	direct
26 Dec - 11 Jan	Ryanair	direct
28 Dec - 11 Jan	Ryanair	direct
02 Dec - 15 Dec	SKY express
02 Dec - 08 Dec	SKY express
14 Dec - 02 Jan	Ryanair	direct
20 Dec - 03 Jan	Air Serbia
02 Dec - 12 Dec	SKY express
02 Dec - 14 Dec	SKY express
21 Dec - 11 Jan	Ryanair	direct
14 Dec - 04 Jan	Ryanair	direct
28 Dec - 17 Jan	Ryanair
26 Dec - 05 Jan	Ryanair	direct
25 Dec - 17 Jan	Air Serbia
26 Dec - 28 Dec	Ryanair	direct
19 Dec - 28 Dec	Ryanair	direct

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 $145

Return flights