Cheapest return flights from Porto to Oslo in September from 176€

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 - 14 Sep TAP
03 Sep - 24 Sep Norwegian
29 Sep - 04 Oct TAP
30 Sep - 04 Oct TAP
29 Sep - 06 Oct Norwegian direct
03 Sep - 24 Sep Norwegian direct
29 Sep - 03 Oct TAP
01 Sep - 12 Sep TAP
29 Sep - 03 Oct Norwegian direct
03 Sep - 12 Sep Norwegian direct
01 Sep - 12 Sep 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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