Cheap Flights from St Louis to Sao Paulo Guarulhos

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      Travellers and cabin class, 1 Adult, Economy

      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

      Book the best Sao Paulo Guarulhos fare with no extra fees

      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 11,215. 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 September.

      St Louis to Sao Paulo: Flight information

      The things to know before you go.
      Cheapest flight foundR 5,511
      Cheapest month to flySeptember

      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 11,215. 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 11,215.
      As of September 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 October.
      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 Friday, 9 October 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 St Louis Airport (STL) to Sao Paulo Guarulhos Airport (GRU): what you need to know

      • Sao Paulo's timezone is UTC-3, which makes Sao Paulo three hours ahead of St Louis.

      • Your STL to GRU flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • During popular months like July, it's best to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a high season in general.

      • If you want to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from St Louis Airport to Sao Paulo Guarulhos Airport. These are the top stopovers between STL and GRU:

        • Chicago O'Hare International Airport

        • Atlanta Hartsfield-Jackson Airport

        • Miami International Airport

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

      • Right now, R 5,510 is the cheapest price we've found for a one-way St Louis Airport to Sao Paulo Guarulhos Airport flight. The best price for a return plane ticket is R 11,215. Bear in mind that fares could change due to availability when booking.

      • To find cheap tickets from STL to GRU, book early. Airlines tend to offer their most competitively priced fares when flights are first released.

      • The 'Whole month' tool shows you the cheapest flights from St Louis Airport to Sao Paulo Guarulhos Airport across the month. It's an easy way to snap up a bargain if your travel dates aren't set in stone.

      • Save time searching for cheap flights from STL to GRU by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.

      • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from St Louis Airport to Sao Paulo Guarulhos Airport.

      Handy information about St Louis Airport (STL)

      Arriving at Sao Paulo Guarulhos Airport (GRU)

      When to fly to Sao Paulo Guarulhos Airport (GRU)

      • July is the busiest month for flights from St Louis Airport to Sao Paulo Guarulhos Airport. To avoid the crowds, visit Sao Paulo in March.

      • Book your flight from St Louis Airport to Sao Paulo Guarulhos Airport for February if you'd like to explore Sao Paulo during its warmest month. Expect temperatures of between 18ºC (64ºF) and 29ºC (84ºF).

      • If you want cooler conditions, look for a cheap ticket from STL to GRU in July. Temperatures average between 12ºC (54ºF) and 25ºC (77ºF) then.

      Explore more of Brazil

      • You've seen Sao Paulo, now it's time to discover other parts of Brazil. Travel around 499 kilometres north-east to Belo Horizonte to check off its top attractions. From Conjunto Moderno da Pampulha to Casa do Baile and Igreja São Francisco de Assis, you'll have a packed itinerary ahead.

      • Curitiba is another sought-after destination in Brazil and is around 338 kilometres south-west of Sao Paulo. No trip is complete without visiting Oscar Niemeyer Museum, Eco Park and Jardim Botanico de Curitiba.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.