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

Return flights

19 May - 03 Jun	Air China
29 May - 16 Jun	LATAM Airlines Group
03 May - 25 May	LATAM Airlines Group
09 May - 25 May	LATAM Airlines Group
25 May - 01 Jun	LATAM Airlines Group
25 May - 31 May	Air China
04 May - 26 May	LATAM Airlines Group
22 May - 27 May	Air China
08 May - 10 Jun	Air China
04 May - 20 May	Air France
04 May - 12 May	Air France
12 May - 21 May	KLM
04 May - 13 May	Air France
20 May - 03 Jun	KLM
18 May - 01 Jun	Air France
30 May - 18 Jun	Air France
26 May - 11 Jun	Air France
12 May - 20 May	KLM
04 May - 01 Jun	Air France
21 May - 08 Jun	Air France

Also check the deals for one-way flights from Sao Paulo to Bangkok 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 Bangkok in May from $1155

Return flights