Cheapest one-way flights from Istanbul to Porto in October from $128
AirHint found the following cheapest one-way flights from Istanbul (IST) to Porto (OPO) in October 2025 (see full year).
One-Way flights
| 01 Oct | Vueling Airlines | ||
| 02 Oct | Vueling Airlines |
Also check the deals for return flights from Istanbul to Porto in October.
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.
