Cheapest return flights from Stockholm to Porto in September from $140

Best time to book flights for Stockholm (ARN) to Porto (OPO) flights at AirHint

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

Return flights

14 Sep - 18 Sep Ryanair direct
07 Sep - 11 Sep Ryanair direct
07 Sep - 18 Sep Ryanair direct
14 Sep - 17 Sep Ryanair direct
07 Sep - 17 Sep Ryanair direct
17 Sep - 18 Sep Norwegian Air Sweden AOC direct
25 Sep - 16 Oct Ryanair direct
14 Sep - 02 Oct Ryanair direct
07 Sep - 13 Sep Ryanair direct
14 Sep - 25 Sep Ryanair direct
11 Sep - 18 Sep Ryanair direct
07 Sep - 25 Sep Ryanair direct
25 Sep - 02 Oct Ryanair direct
21 Sep - 02 Oct Ryanair direct
17 Sep - 02 Oct Norwegian Air Sweden AOC direct
28 Sep - 02 Oct Scandinavian Airlines
11 Sep - 02 Oct Ryanair direct
28 Sep - 16 Oct Ryanair direct
25 Sep - 09 Oct Ryanair
25 Sep - 12 Oct Ryanair direct

Also check the deals for one-way flights from Stockholm to Porto 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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