Cheapest return flights from Porto to Oslo in May from $120

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 May 2025 (see full year).

Return flights

21 May - 04 Jun Norwegian
21 May - 31 May Norwegian
28 May - 04 Jun Norwegian
23 May - 04 Jun Norwegian
16 May - 04 Jun Norwegian
21 May - 02 Jun Norwegian direct
14 May - 21 May Norwegian
14 May - 17 May Norwegian
16 May - 17 May Norwegian
09 May - 17 May Norwegian
28 May - 11 Jun Norwegian
23 May - 11 Jun Norwegian
14 May - 19 May Ryanair
21 May - 09 Jun Norwegian direct
09 May - 12 May Norwegian
14 May - 02 Jun Norwegian direct
28 May - 02 Jun Norwegian direct
16 May - 19 May Norwegian
09 May - 19 May Norwegian
23 May - 26 May Norwegian

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

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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