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

Return flights

17 Oct - 22 Oct	Ryanair
21 Oct - 05 Nov	Vueling Airlines
14 Oct - 19 Oct	easyJet
08 Oct - 12 Oct	easyJet
01 Oct - 15 Oct	easyJet
29 Oct - 31 Oct	Ryanair
22 Oct - 28 Oct	Ryanair
31 Oct - 05 Nov	Ryanair
17 Oct - 21 Oct	easyJet
10 Oct - 13 Oct	Ryanair
10 Oct - 12 Oct	easyJet
14 Oct - 17 Oct	Ryanair
29 Oct - 13 Nov	Vueling Airlines
29 Oct - 06 Nov	Vueling Airlines
31 Oct - 08 Nov	Ryanair
29 Oct - 16 Nov	Vueling Airlines
22 Oct - 06 Nov	Norwegian
30 Oct - 03 Nov	Ryanair
31 Oct - 02 Nov	easyJet
18 Oct - 06 Nov	Norwegian

Also check the deals for one-way flights from Lisbon 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 Lisbon to Oslo in October from 128€

Return flights