Cheapest return flights from Porto to Helsinki in July from $271

Best time to book flights for Porto (OPO) to Helsinki (HEL) flights at AirHint

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

Return flights

17 Jul - 28 Jul Ryanair
06 Jul - 12 Jul Ryanair
21 Jul - 24 Jul Ryanair
16 Jul - 24 Jul Air Europa
15 Jul - 24 Jul Ryanair
17 Jul - 29 Jul Ryanair
04 Jul - 11 Jul Ryanair
03 Jul - 10 Jul Ryanair
11 Jul - 16 Jul Ryanair
03 Jul - 11 Jul Ryanair

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

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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