Cheapest return flights from Porto to Helsinki in August from 256€

AirHint found the following cheapest return flights from Porto (OPO) to Helsinki (HEL) in August 2025 (see full year).

Return flights

29 Aug - 18 Sep Ryanair
23 Aug - 27 Aug Ryanair
13 Aug - 01 Sep Ryanair
20 Aug - 28 Aug Ryanair
24 Aug - 28 Aug Ryanair
29 Aug - 07 Sep Norwegian
29 Aug - 31 Aug Ryanair
16 Aug - 20 Aug TAP
20 Aug - 24 Aug Ryanair
05 Aug - 12 Aug Ryanair
15 Aug - 17 Aug Lufthansa
14 Aug - 17 Aug Ryanair
02 Aug - 06 Aug Lufthansa

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

Skyscanner

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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