Cheapest return flights from Istanbul to Barcelona in September from $205

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

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

Return flights

16 Sep - 23 Sep Air France
16 Sep - 24 Sep Air France
24 Sep - 26 Sep Air Serbia
24 Sep - 28 Sep Air Serbia
20 Sep - 28 Sep Air Serbia
19 Sep - 30 Sep Air Serbia
15 Sep - 26 Sep Air Serbia
12 Sep - 15 Sep Air Serbia
18 Sep - 21 Sep Air Serbia
15 Sep - 24 Sep Air Serbia
26 Sep - 02 Oct Pegasus Airlines
30 Sep - 15 Oct Vueling Airlines direct
24 Sep - 15 Oct Vueling Airlines direct
25 Sep - 15 Oct Vueling Airlines direct
22 Sep - 02 Oct Vueling Airlines
30 Sep - 07 Oct Vueling Airlines direct
30 Sep - 20 Oct Vueling Airlines direct
30 Sep - 14 Oct Vueling Airlines direct
30 Sep - 02 Oct Vueling Airlines direct
30 Sep - 13 Oct Vueling Airlines direct

Also check the deals for one-way 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.

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