Cheapest one-way flights from Oslo to Porto in September from $105

AirHint found the following cheapest one-way flights from Oslo (OSL) to Porto (OPO) in September 2026 (see full year).

One-Way flights

27 Sep Wizz Air
16 Sep Vueling Airlines
14 Sep Vueling Airlines
09 Sep Vueling Airlines
04 Sep Norwegian direct
09 Sep Norwegian direct
14 Sep Norwegian direct
07 Sep Norwegian Air Sweden AOC
16 Sep Norwegian direct
25 Sep Norwegian

Also check the deals for return flights from Oslo to Porto in September.

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