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

Return flights

12 Jan - 16 Jan	Wizz Air
12 Jan - 18 Jan	Wizz Air
11 Jan - 18 Jan	Wizz Air
18 Jan - 25 Jan	Wizz Air
19 Jan - 26 Jan	Wizz Air
11 Jan - 15 Jan	Wizz Air UK
15 Jan - 20 Jan	Ryanair
09 Jan - 12 Jan	Wizz Air
16 Jan - 21 Jan	Wizz Air
15 Jan - 21 Jan	Ryanair
30 Jan - 01 Feb	Air Serbia
29 Jan - 01 Feb	Ryanair
29 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 102€

Return flights