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

Return flights

21 Jul - 25 Jul	Transavia France
15 Jul - 23 Jul	easyJet
29 Jul - 05 Aug	Vueling Airlines
18 Jul - 25 Jul	Wizz Air Malta
20 Jul - 25 Jul	Ryanair
18 Jul - 26 Jul	Wizz Air Malta
22 Jul - 30 Jul	Ryanair
15 Jul - 22 Jul	easyJet
16 Jul - 24 Jul	Wizz Air Malta
18 Jul - 22 Jul	Wizz Air Malta
16 Jul - 22 Jul	Wizz Air Malta
30 Jul - 05 Aug	Ryanair
23 Jul - 03 Aug	easyJet
29 Jul - 12 Aug	Vueling Airlines
25 Jul - 02 Aug	easyJet
29 Jul - 11 Aug	Ryanair
27 Jul - 12 Aug	Ryanair
26 Jul - 03 Aug	easyJet
31 Jul - 13 Aug	Eurowings
30 Jul - 11 Aug	Ryanair

Also check the deals for one-way flights from Porto to Heraklion 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.

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Cheapest return flights from Porto to Heraklion in July from 246€

Return flights