Cheapest return flights from Istanbul to Barcelona in September from 175€

AirHint found the following cheapest return flights from Istanbul (IST) to Barcelona (BCN) in September 2026 (see full year).

Return flights

10 Sep - 13 Sep Vueling Airlines
07 Sep - 11 Sep Air Serbia
27 Sep - 02 Oct LOT
02 Sep - 06 Sep Vueling Airlines
05 Sep - 12 Sep Vueling Airlines
05 Sep - 12 Sep Vueling Airlines direct
14 Sep - 19 Sep KLM
10 Sep - 13 Sep Vueling Airlines direct
26 Sep - 29 Sep Wizz Air
07 Sep - 11 Sep Turkish Airlines direct
14 Sep - 19 Sep Turkish Airlines direct
27 Sep - 02 Oct Turkish Airlines direct

Also check the deals for one-way flights from Istanbul to Barcelona in September.

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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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