Cheapest return flights from Oslo to Porto in April from $140

Best time to book flights for Oslo (OSL) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO) in April 2025 (see full year).

Return flights

23 Apr - 30 Apr Norwegian direct
26 Apr - 30 Apr Vueling Airlines
28 Apr - 30 Apr Ryanair
28 Apr - 02 May TAP
23 Apr - 09 May Norwegian direct
26 Apr - 14 May Vueling Airlines
26 Apr - 09 May Vueling Airlines
23 Apr - 14 May Vueling Airlines
29 Apr - 14 May Ryanair
23 Apr - 07 May Norwegian direct
26 Apr - 07 May Vueling Airlines
26 Apr - 16 May Vueling Airlines
07 Apr - 09 Apr Vueling Airlines
28 Apr - 14 May Vueling Airlines
23 Apr - 25 Apr Norwegian direct
05 Apr - 09 Apr Vueling Airlines
28 Apr - 30 Apr Norwegian direct
21 Apr - 30 Apr Norwegian direct
02 Apr - 09 Apr Vueling Airlines
25 Apr - 30 Apr 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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