Cheapest return IST–OPO flights, October

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

Return flights

28 Oct - 07 Nov Vueling Airlines
31 Oct - 19 Nov Vueling Airlines
31 Oct - 07 Nov Vueling Airlines
28 Oct - 08 Nov Vueling Airlines
31 Oct - 08 Nov Vueling Airlines
28 Oct - 06 Nov Vueling Airlines
31 Oct - 06 Nov Vueling Airlines
28 Oct - 05 Nov Vueling Airlines
28 Oct - 13 Nov Vueling Airlines
31 Oct - 05 Nov Vueling Airlines
07 Oct - 21 Oct Vueling Airlines
07 Oct - 13 Oct Vueling Airlines
19 Oct - 21 Oct Vueling Airlines
20 Oct - 21 Oct Vueling Airlines
07 Oct - 08 Oct Vueling Airlines
04 Oct - 05 Oct Vueling Airlines
07 Oct - 09 Oct Vueling Airlines
05 Oct - 07 Oct Vueling Airlines
07 Oct - 11 Oct Vueling Airlines
04 Oct - 07 Oct Vueling Airlines

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