Cheapest return flights from Oslo to Porto in August from 80€

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

Return flights

10 Aug - 26 Aug Norwegian direct
21 Aug - 26 Aug Norwegian direct
12 Aug - 26 Aug Norwegian direct
10 Aug - 21 Aug Norwegian direct
05 Aug - 21 Aug Norwegian direct
12 Aug - 21 Aug Norwegian direct
05 Aug - 26 Aug Vueling Airlines
10 Aug - 19 Aug Norwegian direct
05 Aug - 19 Aug Norwegian direct
12 Aug - 19 Aug Norwegian direct

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

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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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