Cheapest return GRU–IST flights, May

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

Return flights

25 May - 04 Jun British Airways
22 May - 29 May British Airways
25 May - 08 Jun British Airways
10 May - 04 Jun ITA Airways
23 May - 31 May British Airways
18 May - 27 May Lufthansa
21 May - 29 May British Airways
10 May - 31 May ITA Airways
16 May - 31 May ITA Airways
10 May - 25 May KLM
21 May - 30 May British Airways
18 May - 29 May Lufthansa
17 May - 26 May KLM
26 May - 05 Jun GOL Linhas Aéreas
18 May - 12 Jun Lufthansa
10 May - 13 Jun ITA Airways
13 May - 22 Jun Emirates
31 May - 19 Jun British Airways
31 May - 23 Jun Lufthansa
25 May - 04 Jun Turkish Airlines direct

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

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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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