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

Return flights

08 Jan - 15 Jan	Wizz Air UK
30 Jan - 02 Feb	Air Serbia
10 Jan - 15 Jan	Wizz Air UK
08 Jan - 18 Jan	Wizz Air UK
14 Jan - 16 Jan	Air Serbia
12 Jan - 18 Jan	Air Serbia
18 Jan - 22 Jan	Wizz Air UK
08 Jan - 11 Jan	Wizz Air UK
28 Jan - 30 Jan	SKY express
16 Jan - 20 Jan	KLM
22 Jan - 25 Jan	Air France
29 Jan - 08 Feb	Aegean Airlines
28 Jan - 03 Feb	KLM

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 140€

Return flights