Cheapest return flights from Oslo to Porto in October from $214

Best time to book flights for Oslo (OSL) to Porto (OPO) flights at AirHint

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

Return flights

20 Oct - 08 Nov Vueling Airlines
13 Oct - 17 Oct Vueling Airlines
16 Oct - 19 Oct Ryanair
13 Oct - 20 Oct Vueling Airlines
18 Oct - 20 Oct Vueling Airlines
13 Oct - 15 Oct Vueling Airlines
17 Oct - 20 Oct Ryanair
06 Oct - 17 Oct Norwegian direct
09 Oct - 12 Oct Norwegian
10 Oct - 13 Oct Volotea
06 Oct - 20 Oct Norwegian

Also check the deals for one-way flights from Oslo to Porto in October.

Skyscanner

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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