Cheapest return flights from Porto to Istanbul in October from $245

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 October 2025 (see full year).

Return flights

01 Oct - 07 Oct Volotea
06 Oct - 13 Oct easyJet
04 Oct - 14 Oct easyJet
14 Oct - 21 Oct Ryanair
13 Oct - 16 Oct Vueling Airlines
08 Oct - 15 Oct easyJet
07 Oct - 14 Oct easyJet
12 Oct - 15 Oct Ryanair
08 Oct - 11 Oct Wizz Air Malta
04 Oct - 11 Oct easyJet
21 Oct - 08 Nov Vueling Airlines
19 Oct - 08 Nov Vueling Airlines

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

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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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