Cheapest return flights from Porto to Oslo in May from $107

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 - 02 Jun Norwegian direct
28 May - 02 Jun Norwegian direct
09 May - 12 May Ryanair
14 May - 02 Jun Norwegian direct
30 May - 02 Jun Norwegian direct
07 May - 12 May Norwegian direct
19 May - 02 Jun Norwegian direct
09 May - 12 May Norwegian direct
21 May - 04 Jun Norwegian
16 May - 02 Jun Norwegian direct
21 May - 26 May Norwegian
02 May - 12 May Norwegian direct
23 May - 02 Jun Norwegian direct
16 May - 19 May easyJet
09 May - 14 May Ryanair
05 May - 12 May Ryanair
09 May - 15 May Ryanair
28 May - 04 Jun Norwegian
10 May - 15 May Ryanair
21 May - 04 Jun Norwegian direct

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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