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

Return flights

28 Jul - 30 Jul	Finnair	direct
26 Jul - 30 Jul	Finnair	direct
31 Jul - 02 Aug	Finnair	direct
31 Jul - 03 Aug	Finnair	direct
26 Jul - 27 Jul	Finnair	direct
31 Jul - 04 Aug	Finnair	direct
20 Jul - 27 Jul	Finnair	direct
19 Jul - 26 Jul	Finnair	direct
23 Jul - 24 Jul	Finnair	direct
23 Jul - 25 Jul	Finnair	direct
23 Jul - 27 Jul	Finnair	direct
24 Jul - 27 Jul	Finnair	direct
20 Jul - 23 Jul	Finnair	direct

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

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.

Book a cheap hotel in Oulu

Cheap car rent in Oulu

Cheapest return flights from Helsinki to Oulu in July from $212

Return flights