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
03 Dec - 08 Dec	Wizz Air
09 Dec - 13 Dec	Aegean Airlines
09 Dec - 15 Dec	SKY express
12 Dec - 15 Dec	Wizz Air
03 Dec - 07 Dec	Wizz Air
01 Dec - 07 Dec	Wizz Air
06 Dec - 10 Dec	SKY express
05 Dec - 08 Dec	Wizz Air
07 Dec - 10 Dec	Wizz Air
31 Dec - 08 Jan	Ryanair
17 Dec - 09 Jan	Air Serbia
04 Dec - 09 Jan	Aegean Airlines
31 Dec - 09 Jan	Ryanair
23 Dec - 01 Jan	SKY express
21 Dec - 06 Jan	Wizz Air Malta
19 Dec - 07 Jan	LOT
19 Dec - 01 Jan	LOT
31 Dec - 04 Jan	Ryanair
19 Dec - 04 Jan	LOT

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 106€

Return flights