Cheapest return flights from Porto to Helsinki in March from $163

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

Return flights

11 Mar - 14 Mar Ryanair
22 Mar - 29 Mar Ryanair
07 Mar - 14 Mar Ryanair
22 Mar - 28 Mar Ryanair
06 Mar - 12 Mar TAP
13 Mar - 15 Mar Ryanair
20 Mar - 24 Mar Ryanair
26 Mar - 05 Apr Ryanair
26 Mar - 04 Apr Ryanair
29 Mar - 05 Apr Ryanair
28 Mar - 05 Apr Ryanair
30 Mar - 01 Apr Scandinavian Airlines
27 Mar - 05 Apr Ryanair
21 Mar - 26 Mar KLM

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

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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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