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

Return flights

07 Dec - 10 Dec	Ryanair
01 Dec - 07 Dec	KLM
06 Dec - 11 Dec	Ryanair
08 Dec - 14 Dec	Ryanair
02 Dec - 08 Dec	KLM
04 Dec - 07 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
05 Dec - 12 Dec	KLM
12 Dec - 15 Dec	KLM
06 Dec - 13 Dec	Ryanair
30 Dec - 04 Jan	KLM
29 Dec - 03 Jan	Air Serbia
28 Dec - 04 Jan	KLM
29 Dec - 04 Jan	Air Serbia
28 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Thessaloniki to Helsinki 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 Helsinki

Cheap car rent in Helsinki

Cheapest return flights from Thessaloniki to Helsinki in December from 173€

Return flights