Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to Sao Paulo as you normally would.
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
60h 35mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
44h 30mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
60h 35mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
44h 30mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
48h 45mSao Paulo Guarulhos Intl
Ho Chi Minh City
1 stop
23h 50mMultiple Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
60h 35mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
44h 30mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
60h 35mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
44h 30mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
48h 45mSao Paulo Guarulhos Intl
Ho Chi Minh City
1 stop
23h 50mMultiple Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
60h 35mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
44h 30mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
60h 35mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
44h 30mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
3 stops
43h 30mSao Paulo Guarulhos Intl
Ho Chi Minh City
2 stops
38h 35mAmerican Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
1 stop
24h 55mSao Paulo Guarulhos Intl
Ho Chi Minh City
1 stop
23h 50mLATAM Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
1 stop
30h 55mSao Paulo Guarulhos Intl
Ho Chi Minh City
1 stop
23h 50mLATAM Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
42h 05mSao Paulo Guarulhos Intl
Ho Chi Minh City
1 stop
24h 50mLATAM Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
3 stops
39h 05mMultiple Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
43h 05mMultiple Airlines
Ho Chi Minh City
Sao Paulo Guarulhos Intl
2 stops
41h 30mMultiple Airlines
Yes, there are multiple flights from Vietnam to Sao Paulo for under 41,069,000 ₫. The cheapest flight booked recently is on American Airlines for just 41,068,916 ₫, but on average you can expect to pay 103,820,912 ₫.
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at 24,519,456 ₫. LATAM Airlines flights start at 33,497,422 ₫ while deals on Turkish Airlines start at 33,544,304 ₫ one-way.