Cheapest return flights from Porto to Oslo in September from 186€

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

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

Return flights

03 Sep - 17 Sep Norwegian
24 Sep - 29 Sep Ryanair
19 Sep - 28 Sep TAP
25 Sep - 30 Sep TAP
24 Sep - 13 Oct Norwegian
03 Sep - 08 Sep Norwegian
17 Sep - 06 Oct Norwegian
24 Sep - 06 Oct Norwegian
24 Sep - 13 Oct Norwegian direct
12 Sep - 17 Sep Norwegian
15 Sep - 29 Sep Ryanair
11 Sep - 26 Sep easyJet
26 Sep - 13 Oct Norwegian
17 Sep - 26 Sep Ryanair
15 Sep - 17 Sep Vueling Airlines
26 Sep - 06 Oct Norwegian
17 Sep - 06 Oct Norwegian direct
24 Sep - 06 Oct Norwegian direct
26 Sep - 13 Oct Norwegian direct
26 Sep - 06 Oct Norwegian direct

Also check the deals for one-way 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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