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

Return flights

10 Dec - 15 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
11 Dec - 16 Dec	Ryanair
11 Dec - 15 Dec	KLM
03 Dec - 06 Dec	KLM
03 Dec - 05 Dec	Ryanair
12 Dec - 15 Jan	KLM
06 Dec - 12 Jan	Ryanair
04 Dec - 05 Dec	Norwegian Air Sweden AOC
15 Dec - 15 Jan	KLM
14 Dec - 09 Jan	Ryanair
01 Dec - 11 Jan	Norwegian Air Sweden AOC
15 Dec - 10 Jan	KLM
15 Dec - 20 Jan	Ryanair
13 Dec - 10 Jan	airBaltic
21 Dec - 27 Dec	Finnair
23 Dec - 05 Jan	KLM
23 Dec - 01 Jan	KLM
24 Dec - 30 Dec	KLM
23 Dec - 30 Dec	KLM

Also check the deals for one-way flights from Helsinki 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.

Book a cheap hotel in Thessaloniki

Cheap car rent in Thessaloniki

Cheapest return flights from Helsinki to Thessaloniki in December from $181

Return flights