Cheapest return flights from Porto to Helsinki in April from $222

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

Return flights

01 Apr - 08 Apr Norwegian Air Sweden AOC
24 Apr - 01 May Scandinavian Airlines
08 Apr - 13 Apr easyJet
01 Apr - 05 Apr Norwegian Air Sweden AOC
02 Apr - 12 Apr Ryanair
08 Apr - 12 Apr easyJet
04 Apr - 07 Apr Norwegian Air Sweden AOC
26 Apr - 02 May Ryanair
02 Apr - 07 Apr KLM
03 Apr - 06 Apr Scandinavian Airlines
02 Apr - 06 Apr KLM

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

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