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

Return flights

09 Mar - 30 Mar	Air China
02 Mar - 16 Mar	Air China
02 Mar - 23 Mar	Air China
09 Mar - 09 Apr	Air China
06 Mar - 09 Apr	Air China
10 Mar - 21 Mar	Air China
13 Mar - 21 Mar	Air China
03 Mar - 26 Mar	Air China
06 Mar - 16 Mar	Air China
16 Mar - 23 Mar	Air China
13 Mar - 04 Apr	Air China
09 Mar - 18 Mar	Air China
16 Mar - 12 Apr	Air China
16 Mar - 05 Apr	Air China
02 Mar - 10 Mar	Air China
12 Mar - 02 Apr	LATAM Airlines Group
02 Mar - 15 Apr	Air China
04 Mar - 07 Apr	LATAM Airlines Group
30 Mar - 13 Apr	Ethiopian Airlines
21 Mar - 06 Apr	Air France

Also check the deals for one-way flights from Sao Paulo to Bangkok in March.

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 March from $1107

Return flights