Cheapest return flights from Brussels to Istanbul in September from $146

Best time to book flights for Brussels (BRU) to Istanbul (IST) flights at AirHint

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

Return flights

23 Sep - 30 Sep Pegasus Airlines direct
27 Sep - 30 Sep Pegasus Airlines direct
10 Sep - 14 Sep Pegasus Airlines
03 Sep - 10 Sep Pegasus Airlines
03 Sep - 20 Sep Pegasus Airlines
03 Sep - 06 Sep Pegasus Airlines
04 Sep - 11 Sep Pegasus Airlines
03 Sep - 19 Sep Pegasus Airlines
03 Sep - 09 Sep Pegasus Airlines
03 Sep - 26 Sep Pegasus Airlines
23 Sep - 06 Oct Pegasus Airlines direct
29 Sep - 01 Oct Wizz Air
28 Sep - 09 Oct Pegasus Airlines direct
27 Sep - 04 Oct Pegasus Airlines direct
30 Sep - 03 Oct Pegasus Airlines direct
29 Sep - 04 Oct AJet direct
13 Sep - 11 Oct Pegasus Airlines direct
29 Sep - 05 Oct AJet direct
29 Sep - 01 Oct AJet direct
21 Sep - 05 Oct SKY express

Also check the deals for one-way flights from Brussels 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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