Cheapest return flights from Porto to Istanbul in October from $238

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

Return flights

06 Oct - 15 Oct Ryanair
16 Oct - 22 Oct Air Europa
05 Oct - 14 Oct Ryanair
14 Oct - 18 Oct Ryanair
13 Oct - 18 Oct Iberia
05 Oct - 18 Oct easyJet
12 Oct - 18 Oct Ryanair
03 Oct - 10 Oct TAP
05 Oct - 07 Oct Vueling Airlines
06 Oct - 07 Oct Vueling Airlines
31 Oct - 18 Nov Vueling Airlines
31 Oct - 10 Nov Vueling Airlines
23 Oct - 10 Nov Vueling Airlines
31 Oct - 09 Nov Vueling Airlines
28 Oct - 10 Nov Vueling Airlines
23 Oct - 09 Nov Vueling Airlines
28 Oct - 09 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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