Cheapest one-way flights from Istanbul to Barcelona in September from 69€

Best time to book flights for Istanbul (IST) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from Istanbul (IST) to Barcelona (BCN) in September 2025 (see full year).

One-Way flights

15 Sep Wizz Air UK
20 Sep Vueling Airlines direct
22 Sep Vueling Airlines direct
22 Sep Wizz Air UK
26 Sep Vueling Airlines direct
16 Sep Vueling Airlines direct
29 Sep Wizz Air UK
23 Sep Vueling Airlines direct
10 Sep Vueling Airlines direct
11 Sep Vueling Airlines direct

Also check the deals for return flights from Istanbul to Barcelona in September.

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 Barcelona

Cheap car rent in Barcelona