AirHint found the following cheapest return flights from Brussels (BRU) to Istanbul (IST) in May 2026 (see full year).

Return flights

23 May - 27 May	Wizz Air
05 May - 14 May	Aegean Airlines
26 May - 31 May	Wizz Air Malta
22 May - 26 May	Wizz Air Malta
22 May - 24 May	Wizz Air Malta
18 May - 23 May	Wizz Air Malta
21 May - 25 May	Wizz Air Malta
22 May - 26 May	Turkish Airlines	direct
23 May - 27 May	Turkish Airlines	direct
26 May - 31 May	Turkish Airlines	direct

Also check the deals for one-way flights from Brussels to Istanbul in May.

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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Cheapest return flights from Brussels to Istanbul in May from $239

Return flights