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

Return flights

15 Oct - 20 Oct	Ryanair
23 Oct - 26 Oct	Ryanair
24 Oct - 27 Oct	Air Serbia
24 Oct - 03 Nov	Air Serbia
08 Oct - 11 Oct	Ryanair
13 Oct - 20 Oct	Ryanair
16 Oct - 22 Oct	Ryanair
17 Oct - 20 Oct	Ryanair
23 Oct - 30 Oct	Ryanair
13 Oct - 15 Oct	Ryanair
23 Oct - 28 Oct	Ryanair
31 Oct - 30 Nov	Air Serbia
31 Oct - 03 Nov	Air Serbia
31 Oct - 02 Nov	Air Serbia
30 Oct - 02 Nov	Ryanair
31 Oct - 05 Nov	Air Serbia
27 Oct - 03 Nov	Ryanair
15 Oct - 02 Nov	Vueling Airlines
29 Oct - 09 Nov	Vueling Airlines
17 Oct - 02 Nov	Norwegian

Also check the deals for one-way flights from Naples to Oslo 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 Naples to Oslo in October from 118€

Return flights