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

Return flights

20 May - 30 May	Air Europa
25 May - 30 May	Air Europa
22 May - 30 May	Air Europa
16 May - 29 May	Air Europa
20 May - 26 May	Air Europa
08 May - 14 May	Air Europa
04 May - 18 May	Air Europa
04 May - 12 May	Air Europa
05 May - 19 May	Air Europa
21 May - 30 May	Air Europa
24 May - 30 Jun	Air Europa
31 May - 30 Jun	Air Europa
31 May - 30 Jun	Turkish Airlines	direct
24 May - 30 Jun	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 $841

Return flights