AirHint found the following cheapest return flights from Heraklion (HER) to Oslo (OSL) in August 2025 (see full year).

Return flights

05 Aug - 12 Aug	Wizz Air Malta
08 Aug - 15 Aug	Wizz Air
07 Aug - 14 Aug	Ryanair
07 Aug - 12 Aug	Ryanair
01 Aug - 08 Aug	Wizz Air
06 Aug - 13 Aug	Wizz Air Malta
05 Aug - 14 Aug	Norwegian	direct
05 Aug - 12 Aug	Norwegian	direct
12 Aug - 14 Aug	Norwegian	direct
05 Aug - 07 Aug	Norwegian	direct

Also check the deals for one-way flights from Heraklion to Oslo in August.

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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Cheapest return flights from Heraklion to Oslo in August from $245

Return flights