Cheapest return flights from Barcelona to Istanbul in September from $190

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 - 01 Oct Vueling Airlines
17 Sep - 01 Oct Vueling Airlines
20 Sep - 24 Sep Vueling Airlines
27 Sep - 03 Oct easyJet
16 Sep - 23 Sep Vueling Airlines
03 Sep - 07 Sep Vueling Airlines
15 Sep - 22 Sep Vueling Airlines
17 Sep - 18 Sep Vueling Airlines
09 Sep - 15 Sep Vueling Airlines
17 Sep - 29 Sep Vueling Airlines
18 Sep - 26 Sep Vueling Airlines
13 Sep - 25 Sep easyJet
08 Sep - 15 Sep easyJet
13 Sep - 02 Oct Vueling Airlines direct
13 Sep - 01 Oct Vueling Airlines direct
13 Sep - 03 Oct Vueling Airlines direct
13 Sep - 04 Oct Vueling Airlines direct
17 Sep - 02 Oct Vueling Airlines direct
17 Sep - 01 Oct Vueling Airlines direct
17 Sep - 03 Oct Vueling Airlines direct

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