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

Return flights

13 Dec - 09 Jan	Ryanair
05 Dec - 10 Dec	Ryanair
06 Dec - 12 Dec	Ryanair
06 Dec - 13 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
04 Dec - 05 Dec	Ryanair
27 Dec - 03 Jan	Scandinavian Airlines
19 Dec - 03 Jan	Ryanair
13 Dec - 15 Dec	Ryanair
04 Dec - 10 Dec	Ryanair
08 Dec - 11 Dec	Air Serbia
16 Dec - 04 Jan	Ryanair
12 Dec - 14 Dec	Ryanair
28 Dec - 01 Jan	LOT
31 Dec - 05 Jan	LOT
26 Dec - 03 Jan	Scandinavian Airlines
23 Dec - 02 Jan	Scandinavian Airlines
30 Dec - 02 Jan	Ryanair
31 Dec - 04 Jan	Air Serbia

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 135€

Return flights