Cheapest one-way flights from Istanbul to Porto in August from $132

Best time to book flights for Istanbul (IST) to Porto (OPO) flights at AirHint

AirHint found the following cheapest one-way flights from Istanbul (IST) to Porto (OPO) in August 2025 (see full year).

One-Way flights

11 Aug Pegasus Airlines
01 Aug Pegasus Airlines
20 Aug Vueling Airlines
13 Aug Vueling Airlines
12 Aug Vueling Airlines
11 Aug Turkish Airlines direct
01 Aug Turkish Airlines direct
15 Aug Vueling Airlines

Also check the deals for return flights from Istanbul to Porto in August.

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.

Book a cheap hotel in Porto

Cheap car rent in Porto