Cheapest return flights from Porto to Istanbul in October from 203€

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

07 Oct - 14 Oct easyJet
06 Oct - 10 Oct easyJet
16 Oct - 23 Oct Iberia
21 Oct - 28 Oct Ryanair
06 Oct - 07 Oct Vueling Airlines
06 Oct - 14 Oct Vueling Airlines
07 Oct - 14 Oct Turkish Airlines direct
07 Oct - 10 Oct Vueling Airlines
21 Oct - 28 Oct Turkish Airlines direct
06 Oct - 10 Oct Turkish Airlines direct

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

Skyscanner

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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