Cheapest return flights from Oslo to Porto in April from 139€

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

Return flights

15 Apr - 24 Apr Vueling Airlines
15 Apr - 01 May Vueling Airlines
06 Apr - 13 Apr Norwegian direct
03 Apr - 13 Apr Norwegian
15 Apr - 24 Apr Norwegian direct
06 Apr - 24 Apr Norwegian direct
03 Apr - 13 Apr Norwegian direct
15 Apr - 01 May Norwegian direct
15 Apr - 29 Apr Vueling Airlines
24 Apr - 01 May Norwegian direct
01 Apr - 08 Apr Brussels Airlines
24 Apr - 13 May Norwegian
01 Apr - 13 Apr Norwegian direct
06 Apr - 08 Apr Norwegian
24 Apr - 13 May Norwegian direct

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

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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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