Cheap flights from St. Louis (STL) to Sao Paulo (SAO) from $631

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 32% on your flight compared to booking on days when demand is much higher.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 19% on flights from St. Louis to Sao Paulo compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,391. For sooner than that we have options available in the next 3 days from $1,391.

Our data shows that April tends to be the cheapest month to fly to Sao Paulo from St. Louis. Users have commonly found prices around $1,330 for the month, but tickets can be as low as $821. Due to multiple factors, prepare for potentially higher prices in December.

When flying from St. Louis to Sao Paulo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the morning.

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Sao Paulo. You should not have trouble finding flights to Sao Paulo from Lambert-St Louis; the airport handles an average of 0 outbound flights to Sao Paulo per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the St. Louis airport to Sao Paulo. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, LATAM Airlines, and United Airlines flying from Lambert-St Louis to Sao Paulo have implemented new flexible cancellation policies.

Yes, there are multiple flights from St. Louis to Sao Paulo for under $800. The cheapest flight booked recently is on Multiple Airlines for just $778, but on average you can expect to pay $956.

Cheapflights users have booked flights from St. Louis to Sao Paulo round-trip from $842. Other airlines that can offer you cheap pricing are LATAM Airlines, from $1,049, and Delta, from $1,083. Air Canada is priced at 36% lower than the current average price of a flight leaving 3 months from now.

While some choose either Lambert-St Louis - Sao Paulo Viracopos or Lambert-St Louis - Sao Paulo Congonhas, Lambert-St Louis - Sao Paulo Guarulhos Intl is the most popular route from St. Louis to Sao Paulo.

Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Sao Paulo.

Looking for the cheapest flight from St. Louis to Sao Paulo? While on average our users pay $1,054, our data indicates the cheapest price to be $650. The most popular route (Lambert-St Louis - Sao Paulo Guarulhos Intl), is priced around $800.

STL and GRU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to GRU refers to a flight route from Lambert-St Louis Airport to Sao Paulo Guarulhos Intl Airport. Sao Paulo Congonhas Airport (CGH), Sao Paulo Viracopos Airport (VCP) are some additional IATA codes for airports related to your trip.