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

Return flights

01 Dec - 08 Dec	Wizz Air
12 Dec - 15 Dec	Wizz Air
05 Dec - 08 Dec	Wizz Air
10 Dec - 15 Dec	Wizz Air
10 Dec - 14 Dec	Wizz Air
03 Dec - 07 Dec	Wizz Air
01 Dec - 10 Dec	Wizz Air
03 Dec - 10 Dec	Wizz Air
05 Dec - 07 Dec	Wizz Air
05 Dec - 12 Dec	Wizz Air
22 Dec - 07 Jan	Wizz Air
21 Dec - 11 Jan	Wizz Air
31 Dec - 03 Jan	Ryanair
18 Dec - 07 Jan	Ryanair
31 Dec - 07 Jan	Ryanair
21 Dec - 07 Jan	Wizz Air Malta
21 Dec - 09 Jan	Air Serbia
21 Dec - 08 Jan	Air Serbia
31 Dec - 04 Jan	Ryanair
21 Dec - 04 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 98€

Return flights