Cheapest one-way flights from Porto to Oslo in September from 78€

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

05 Sep easyJet
19 Sep KLM
18 Sep Ryanair
03 Sep Norwegian direct
22 Sep Ryanair
10 Sep Norwegian direct
17 Sep Norwegian direct
12 Sep Norwegian direct
05 Sep Norwegian direct
26 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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