Cheap Flights from St Louis to Sao Paulo Guarulhos

Compare St Louis to Sao Paulo Guarulhos flight deals

Find the cheapest month or even day of the year to fly to Sao Paulo Guarulhos

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Flight deals from St Louis to Sao Paulo Guarulhos

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Sao Paulo Guarulhos Airport? If you want to travel next month, return fares start from R 16,019. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Sao Paulo Guarulhos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Sao Paulo Guarulhos flights are currently cheapest in August.

St Louis to Sao Paulo: Flight information

The things to know before you go.
Cheapest flight foundR 5,621
Cheapest month to flyAugust

Finding cheap flights from St Louis to Sao Paulo Guarulhos: Frequently asked questions

The best price we found for a return flight from St Louis to Sao Paulo Guarulhos is R 11,525. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Sao Paulo Guarulhos. But we found flights with one or more stops from R 11,525.
As of April 2026, there are no flights flying from St Louis to Sao Paulo Guarulhos.
The cheapest month to fly from St Louis to Sao Paulo Guarulhos is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Sao Paulo Guarulhos Airport on Tuesday, 18 August 2026.
No airlines currently offer direct flights between St Louis Airport and Sao Paulo Guarulhos Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sao Paulo Guarulhos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sao Paulo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Sao Paulo Guarulhos.

Travelling from Lambert-St. Louis International Airport (STL) to Sao Paulo-Guarulhos International Airport (GRU): what you need to know

  • Sao Paulo's timezone is UTC-3, making Sao Paulo two hours ahead of St Louis.

  • Arrive at the airport on time so you don't miss your STL to GRU flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • Travelling during a peak month like July? Major public holidays and other high seasons can lead to longer queues at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport. Here are the most popular stopovers between STL and GRU:

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

    • Miami International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Sao Paulo-Guarulhos International Airport (GRU)

  • Currently, R 5,621 is the cheapest price we've found for a one-way Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport flight. The best price for a return ticket is R 11,525. Remember that fares could change due to demand at the time of booking.

  • It's often best to book as early as possible if you're looking for cheap tickets from STL to GRU. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport is easy if you can be flexible with your dates. Use the 'Whole month' function to see the best prices across the month and snap up a great deal.

  • Picking up cheap flights from STL to GRU is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Secure the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Lambert-St. Louis International Airport (STL)

  • The address for STL is 10701 Lambert International Blvd..

  • 78.04% of flights that depart Lambert-St. Louis International Airport reach their destination on schedule.

  • To reach Lambert-St. Louis International Airport from central St Louis, it takes about 20 minutes if you're going by car. This depends on traffic, however. It's approximately 26 kilometres from the airport to the city centre.

  • You can expect a trip time of roughly 35 minutes when using public transport.

  • Searching for a handy hotel near STL? If you're boarding an early flight from Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Sao Paulo-Guarulhos International Airport (GRU)

Getting from Sao Paulo-Guarulhos International Airport (GRU) to central Sao Paulo

  • From Sao Paulo-Guarulhos International Airport, Sao Paulo is approximately 26 kilometres away. It takes around 30 minutes to reach the centre by car.

  • Travelling to the centre on public transport will take you roughly 1 hour 20 minutes.

When to fly to Sao Paulo-Guarulhos International Airport (GRU)

  • July is the most popular month for flights from Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport. To skip the crowds, travel to Sao Paulo in April.

  • Lock in your flight from Lambert-St. Louis International Airport to Sao Paulo-Guarulhos International Airport for February if you'd like to go to Sao Paulo during its warmest month. You can expect temperatures of between 18ºC (64ºF) and 28ºC (82ºF).

  • July sees average temperatures of between 12ºC (54ºF) and 25ºC (77ºF). Look for cheap tickets from STL to GRU around that time if you like travelling in cooler conditions.

Explore more of Brazil

  • Belo Horizonte is just one of the many cities in Brazil waiting to be discovered after you've seen Sao Paulo. Around 499 kilometres away to the north-east, popular attractions include Abilio Barreto Historical Museum, Matiz Arte Objeto and Deck Vertedouro.

  • Around 338 kilometres south-west of Sao Paulo, Curitiba is another favourite stop in Brazil. No visit is complete without checking out Jardim Botanico de Curitiba, Museu Oscar Niemeyer and Largo da Ordem.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.