Cheapest return flights from Porto to Oslo in August from $228

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

Return flights

17 Aug - 21 Aug TAP
17 Aug - 26 Aug TAP
07 Aug - 12 Aug Ryanair
17 Aug - 21 Aug Norwegian direct
11 Aug - 12 Aug Norwegian Air Sweden AOC
17 Aug - 26 Aug Norwegian direct
07 Aug - 12 Aug Norwegian direct
11 Aug - 26 Aug Norwegian Air Sweden AOC
07 Aug - 26 Aug Norwegian
14 Aug - 26 Aug Norwegian

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

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