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

Return flights

22 Jan - 27 Jan	Wizz Air UK
18 Jan - 26 Jan	Wizz Air UK
15 Jan - 22 Jan	Wizz Air UK
09 Jan - 15 Jan	Wizz Air UK
10 Jan - 15 Jan	Wizz Air UK
21 Jan - 30 Jan	Air Serbia
19 Jan - 23 Jan	Wizz Air UK
24 Jan - 29 Jan	Wizz Air UK
05 Jan - 11 Jan	Air Serbia
22 Jan - 25 Jan	KLM
31 Jan - 10 Feb	KLM
22 Jan - 01 Feb	KLM
22 Jan - 01 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 119€

Return flights