Cheapest return flights from Oslo to Porto in August from 171€

AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO) in August 2026 (see full year).

Return flights

05 Aug - 21 Aug Norwegian direct
07 Aug - 21 Aug Norwegian direct
12 Aug - 21 Aug Norwegian direct
14 Aug - 21 Aug Norwegian direct
05 Aug - 19 Aug Norwegian direct
05 Aug - 17 Aug Norwegian direct
07 Aug - 19 Aug Norwegian direct
07 Aug - 17 Aug Norwegian direct
12 Aug - 19 Aug Norwegian direct
12 Aug - 17 Aug Norwegian direct
21 Aug - 09 Sep Norwegian direct
21 Aug - 07 Sep Norwegian direct
28 Aug - 09 Sep Norwegian direct
28 Aug - 07 Sep Norwegian direct
28 Aug - 14 Sep Norwegian
28 Aug - 14 Sep Norwegian direct
28 Aug - 13 Sep Norwegian

Also check the deals for one-way flights from Oslo to Porto in August.

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