AirHint found the following cheapest return flights from Athens (ATH) to Oslo (OSL) in January 2026 (see full year).

Return flights

08 Jan - 18 Jan	Aegean Airlines
07 Jan - 12 Jan	Wizz Air
09 Jan - 11 Jan	Wizz Air
19 Jan - 25 Jan	SKY express
16 Jan - 23 Jan	Wizz Air
12 Jan - 16 Jan	Wizz Air
14 Jan - 16 Jan	Wizz Air
13 Jan - 18 Jan	SKY express
19 Jan - 22 Jan	Aegean Airlines
14 Jan - 19 Jan	Wizz Air
29 Jan - 03 Feb	Ryanair
30 Jan - 13 Feb	Air Serbia
29 Jan - 12 Feb	Ryanair
29 Jan - 12 Feb	Aegean Airlines	direct

Also check the deals for one-way flights from Athens to Oslo in January.

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 January from 102€

Return flights