Cheapest return flights from Porto to Oslo in September from 137€

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

05 Sep - 15 Sep easyJet
26 Sep - 06 Oct easyJet
05 Sep - 08 Sep easyJet
03 Sep - 05 Sep Norwegian
03 Sep - 14 Sep Norwegian
03 Sep - 17 Sep Norwegian
11 Sep - 17 Sep Ryanair
24 Sep - 26 Sep Ryanair
03 Sep - 12 Sep Norwegian
05 Sep - 19 Sep easyJet
05 Sep - 14 Sep easyJet
26 Sep - 15 Oct Norwegian
26 Sep - 06 Oct Norwegian direct
23 Sep - 06 Oct Norwegian Air Sweden AOC
22 Sep - 06 Oct Norwegian direct
26 Sep - 15 Oct Norwegian direct
26 Sep - 17 Oct Norwegian direct
19 Sep - 06 Oct Norwegian direct
15 Sep - 06 Oct Norwegian direct
28 Sep - 15 Oct Norwegian Air Sweden AOC

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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