Cheapest return flights from Porto to Oslo in May from 135€

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
08 May - 11 May Norwegian direct
01 May - 04 May Norwegian
01 May - 03 May Norwegian
26 May - 01 Jun TAP
01 May - 06 May Norwegian
01 May - 15 May Norwegian direct
08 May - 15 May Norwegian direct
01 May - 18 May Norwegian direct
08 May - 18 May Norwegian direct
16 May - 23 May easyJet
20 May - 01 Jun Norwegian
20 May - 01 Jun Norwegian direct
20 May - 08 Jun Norwegian
15 May - 01 Jun Norwegian direct
20 May - 10 Jun Norwegian direct
20 May - 08 Jun Norwegian direct
26 May - 08 Jun Norwegian Air Sweden AOC
26 May - 15 Jun Norwegian Air Sweden AOC
26 May - 10 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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