Cheapest return flights from Porto to Istanbul in August from $295

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

Return flights

26 Aug - 29 Aug Ryanair
26 Aug - 30 Aug Iberia
22 Aug - 26 Aug Iberia
19 Aug - 03 Sep SunExpress
21 Aug - 26 Aug Iberia
23 Aug - 26 Aug TAP
04 Aug - 11 Aug Vueling Airlines
24 Aug - 26 Aug TAP
18 Aug - 25 Aug Iberia
11 Aug - 19 Aug Vueling Airlines
26 Aug - 28 Aug Air Europa
30 Aug - 12 Sep SunExpress
31 Aug - 13 Sep easyJet
31 Aug - 12 Sep easyJet
25 Aug - 15 Sep Vueling Airlines
26 Aug - 15 Sep Vueling Airlines
25 Aug - 03 Sep Vueling Airlines
25 Aug - 08 Sep Vueling Airlines
26 Aug - 03 Sep Vueling Airlines
26 Aug - 08 Sep Vueling Airlines

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

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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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