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

Return flights

10 Dec - 15 Dec	Air Serbia
01 Dec - 05 Dec	Air Serbia
03 Dec - 07 Dec	Air Serbia
22 Dec - 28 Dec	Ryanair
23 Dec - 28 Dec	Wizz Air
26 Dec - 03 Jan	Air Serbia
22 Dec - 26 Dec	Air Serbia
08 Dec - 14 Dec	Air Serbia
20 Dec - 23 Dec	Ryanair
31 Dec - 03 Jan	LOT
23 Dec - 29 Dec	Ryanair
22 Dec - 27 Dec	Ryanair

Also check the deals for one-way flights from Thessaloniki to Oslo 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 Thessaloniki to Oslo in December from 137€

Return flights