Cheapest return flights from Barcelona to Istanbul in September from $142

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

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

Return flights

18 Sep - 23 Sep Pegasus Airlines
23 Sep - 30 Sep Pegasus Airlines direct
15 Sep - 19 Sep Pegasus Airlines direct
15 Sep - 21 Sep Pegasus Airlines
09 Sep - 19 Sep Pegasus Airlines direct
02 Sep - 09 Sep Pegasus Airlines direct
18 Sep - 23 Sep Pegasus Airlines direct
09 Sep - 17 Sep Pegasus Airlines direct
02 Sep - 11 Sep Pegasus Airlines direct
15 Sep - 26 Sep Pegasus Airlines direct
29 Sep - 06 Oct Pegasus Airlines direct
08 Sep - 05 Oct Pegasus Airlines direct
11 Sep - 18 Oct Ryanair
13 Sep - 02 Oct Vueling Airlines direct
23 Sep - 04 Oct Vueling Airlines direct
23 Sep - 02 Oct Vueling Airlines direct
23 Sep - 06 Oct Vueling Airlines direct
23 Sep - 08 Oct Vueling Airlines direct
23 Sep - 12 Oct Vueling Airlines direct
30 Sep - 04 Oct Vueling Airlines direct

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