Cheapest return flights from Porto to Oslo in May from 83€

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

Return flights

01 May - 11 May Norwegian direct
01 May - 06 May Norwegian
01 May - 18 May Norwegian direct
01 May - 02 May Norwegian
01 May - 20 May Norwegian
01 May - 15 May Norwegian direct
01 May - 04 May Norwegian
01 May - 06 May Norwegian direct
01 May - 04 May Norwegian direct
01 May - 03 May Norwegian
15 May - 05 Jun Norwegian direct
22 May - 05 Jun Norwegian direct
25 May - 05 Jun Norwegian direct
25 May - 15 Jun Norwegian direct
21 May - 05 Jun Norwegian Air Sweden AOC
17 May - 05 Jun Norwegian Air Sweden AOC

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

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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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