Earn point on your loyalty program!arrow arc left

Cheap flights from St Louis (STL) to Sao Paulo (CGH)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)

How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from St Louis to Sao Paulo in September , October 2026

30 Sep - 21 Oct $ 1,601.00
STL
St Louis
Frontier Airlines
3 STOPS
CGH
Sao Paulo
CGH
Sao Paulo
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates
30 Sep - 26 Oct $ 1,623.00
STL
St Louis
Frontier Airlines
3 STOPS
CGH
Sao Paulo
CGH
Sao Paulo
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates
30 Sep - 26 Oct $ 1,640.00
STL
St Louis
Frontier Airlines
3 STOPS
CGH
Sao Paulo
CGH
Sao Paulo
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates

One-way flights to Sao Paulo from St Louis

6:00 AM - 10:00 AM
Gol Transportes Aéreos
3 Stops
27h 15m
STL - CGH
$ 994
Kiwi
Pick dates
2:29 PM - 5:25 AM
Azul
3 Stops
38h 41m
STL - CGH
$ 1,047
Kiwi
Pick dates
6:00 AM - 8:45 AM
Gol Transportes Aéreos
3 Stops
26h 30m
STL - CGH
$ 1,176
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Sao Paulo (CGH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.