Cheapest one-way flights from Porto to Oslo in September from 79€

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

AirHint found the following cheapest one-way flights from Porto (OPO) to Oslo (OSL) in September 2025 (see full year).

One-Way flights

03 Sep Norwegian direct
10 Sep Ryanair
09 Sep Ryanair
10 Sep Norwegian direct
24 Sep Norwegian direct
08 Sep easyJet
05 Sep Norwegian direct
23 Sep Norwegian Air Sweden AOC
22 Sep Norwegian direct
08 Sep Norwegian direct

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

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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