AirHint found the following cheapest one-way flights from Oslo (OSL) to Athens (ATH) in October 2025 (see full year).

One-Way flights

22 Oct	Norwegian	direct
20 Oct	Norwegian	direct
19 Oct	Norwegian	direct
14 Oct	Scandinavian Airlines	direct
16 Oct	Scandinavian Airlines	direct
25 Oct	Norwegian	direct
18 Oct	Norwegian	direct
13 Oct	Norwegian	direct
12 Oct	Norwegian	direct
06 Oct	Wizz Air Malta

Also check the deals for return flights from Oslo to Athens in October.

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 one-way flights from Oslo to Athens in October from 37€

One-Way flights