AirHint found the following cheapest return flights from Porto (OPO) to Istanbul (IST) in June 2026 (see full year).

Return flights

09 Jun - 12 Jun	Air Europa
10 Jun - 14 Jun	Air Europa
02 Jun - 09 Jun	Air Europa
07 Jun - 13 Jun	Aegean Airlines
05 Jun - 10 Jun	Air Europa
11 Jun - 13 Jun	Vueling Airlines
11 Jun - 16 Jun	Vueling Airlines
05 Jun - 13 Jun	Vueling Airlines
11 Jun - 14 Jun	Vueling Airlines
02 Jun - 13 Jun	Vueling Airlines

Also check the deals for one-way flights from Porto to Istanbul in June.

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 Istanbul in June from 207€

Return flights