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

Return flights

01 Dec - 10 Dec	Wizz Air
01 Dec - 07 Dec	Wizz Air
05 Dec - 08 Dec	Wizz Air
01 Dec - 08 Dec	Wizz Air
03 Dec - 08 Dec	Wizz Air
07 Dec - 16 Dec	Wizz Air UK
01 Dec - 05 Dec	Wizz Air
23 Dec - 04 Jan	Scandinavian Airlines
02 Dec - 07 Dec	Wizz Air UK
22 Dec - 03 Jan	Air Serbia
08 Dec - 12 Dec	Wizz Air
04 Dec - 07 Dec	Wizz Air UK
23 Dec - 01 Jan	Scandinavian Airlines
21 Dec - 04 Jan	Wizz Air
31 Dec - 03 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
31 Dec - 02 Jan	Wizz Air UK
24 Dec - 02 Jan	Scandinavian Airlines
31 Dec - 08 Jan	Ryanair
29 Dec - 10 Jan	Air Serbia

Also check the deals for one-way flights from Athens 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 Athens to Oslo in December from $108

Return flights