Cheapest return flights from Porto to Istanbul in July from $259

Best time to book flights for Porto (OPO) to Istanbul (IST) flights at AirHint

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

Return flights

21 Jul - 28 Jul Wizz Air Malta
03 Jul - 09 Jul Vueling Airlines
18 Jul - 22 Jul Ryanair
15 Jul - 19 Jul Ryanair
27 Jul - 06 Aug easyJet
21 Jul - 27 Jul Eurowings
04 Jul - 11 Jul Ryanair
26 Jul - 02 Aug Ryanair
03 Jul - 07 Jul Vueling Airlines
03 Jul - 10 Jul Vueling Airlines
03 Jul - 11 Jul Vueling Airlines
18 Jul - 28 Jul Vueling Airlines
18 Jul - 06 Aug Vueling Airlines
21 Jul - 06 Aug Vueling Airlines
17 Jul - 06 Aug Vueling Airlines
27 Jul - 11 Aug Vueling Airlines
19 Jul - 06 Aug Vueling Airlines
20 Jul - 06 Aug Vueling Airlines
26 Jul - 02 Aug Turkish Airlines direct
27 Jul - 06 Aug Turkish Airlines direct

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

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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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