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

Return flights

08 May - 18 May	British Airways
08 May - 22 May	British Airways
14 May - 21 May	British Airways
31 May - 13 Jun	British Airways
30 May - 15 Jun	British Airways
17 May - 26 May	British Airways
01 May - 10 May	British Airways
11 May - 21 May	ITA Airways
04 May - 25 May	ITA Airways
08 May - 29 May	ITA Airways
11 May - 27 May	ITA Airways
02 May - 09 May	ITA Airways
20 May - 10 Jun	Air France
30 May - 15 Jun	Turkish Airlines	direct
31 May - 13 Jun	Turkish Airlines	direct

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to Istanbul in May from 731€

Return flights