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

Return flights

08 Oct - 15 Oct	Ryanair
12 Oct - 15 Oct	Ryanair
13 Oct - 16 Oct	Ryanair
18 Oct - 28 Oct	Scandinavian Airlines
01 Oct - 15 Oct	Ryanair
18 Oct - 21 Oct	Ryanair
18 Oct - 23 Oct	Scandinavian Airlines
19 Oct - 22 Oct	Norwegian
17 Oct - 21 Oct	Ryanair
10 Oct - 18 Oct	Wizz Air Malta
31 Oct - 07 Nov	Air Serbia
29 Oct - 05 Nov	Ryanair
31 Oct - 04 Nov	Ryanair
28 Oct - 04 Nov	LOT
28 Oct - 01 Nov	Ryanair
28 Oct - 02 Nov	Ryanair
20 Oct - 01 Nov	Norwegian
22 Oct - 01 Nov	Norwegian
13 Oct - 01 Nov	Norwegian
12 Oct - 01 Nov	Norwegian

Also check the deals for one-way 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 return flights from Oslo to Athens in October from 114€

Return flights