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

Return flights

21 Dec - 04 Jan	Wizz Air
08 Dec - 13 Dec	SKY express
22 Dec - 04 Jan	Ryanair
31 Dec - 08 Jan	Ryanair
10 Dec - 17 Dec	Wizz Air
31 Dec - 04 Jan	Ryanair
05 Dec - 08 Dec	Wizz Air
12 Dec - 15 Dec	Wizz Air
10 Dec - 13 Dec	Wizz Air
31 Dec - 06 Jan	Ryanair
08 Dec - 12 Dec	Wizz Air
19 Dec - 01 Jan	easyJet
09 Dec - 12 Dec	SKY express
04 Dec - 06 Dec	SKY express
03 Dec - 10 Dec	SKY express
11 Dec - 15 Dec	Ryanair
19 Dec - 02 Jan	Wizz Air
19 Dec - 04 Jan	Air Serbia
31 Dec - 05 Jan	Ryanair
22 Dec - 01 Jan	Ryanair

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 123€

Return flights