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

Return flights

12 May - 19 May	Qatar Airways
22 May - 30 May	British Airways
01 May - 15 May	British Airways
08 May - 15 May	British Airways
23 May - 31 May	British Airways
13 May - 24 May	Air Europa
12 May - 19 May	Turkish Airlines	direct
01 May - 15 May	Turkish Airlines	direct
23 May - 31 May	Turkish Airlines	direct
13 May - 24 May	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Sao Paulo 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 Istanbul to Sao Paulo in May from 738€

Return flights