Cheapest return flights from Porto to Istanbul in October from 189€

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 - 08 Oct Volotea
08 Oct - 12 Oct easyJet
03 Oct - 06 Oct Ryanair
01 Oct - 05 Oct Volotea
08 Oct - 15 Oct easyJet
05 Oct - 13 Oct easyJet
03 Oct - 07 Oct Volotea
02 Oct - 05 Oct Ryanair
18 Oct - 23 Oct Ryanair
03 Oct - 05 Oct easyJet
25 Oct - 01 Nov Ryanair
24 Oct - 01 Nov easyJet
18 Oct - 01 Nov Ryanair
25 Oct - 02 Nov Ryanair
24 Oct - 02 Nov easyJet
18 Oct - 01 Nov Turkish Airlines direct
24 Oct - 02 Nov Turkish Airlines direct
24 Oct - 01 Nov Turkish Airlines direct

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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