$370 Cheap Flights from São Paulo (GRU) to St. Louis (STL)

View $370 flight on Wed, Mar 18, 2026Opens in a new window

Popular airlines from São Paulo/Guarulhos Intl. Airport to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from São Paulo to St. Louis (GRU-STL)

Prices were available within the past 7 days and start at $370 for one-way flights and $804 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

GOL Linhas Aereas S.A.
Wed, Feb 4 - Sat, Feb 14
GRU
Sao Paulo
STL
St. Louis
$804 Roundtrip, found 6 days ago
$804
Roundtrip
found 6 days ago
Select GOL Linhas Aereas S.A. flight, departing Wed, Feb 4 from Sao Paulo to St. Louis, returning Sat, Feb 14, priced at $804 found 6 days ago
GOL Linhas Aereas S.A.
Thu, Jan 22 - Sun, Jan 25
GRU
Sao Paulo
STL
St. Louis
$865 Roundtrip, found 2 days ago
$865
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Jan 22 from Sao Paulo to St. Louis, returning Sun, Jan 25, priced at $865 found 2 days ago
Air Canada
Mon, Jan 26 - Mon, Feb 9
GRU
Sao Paulo
STL
St. Louis
$872 Roundtrip, found 6 days ago
$872
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 26 from Sao Paulo to St. Louis, returning Mon, Feb 9, priced at $872 found 6 days ago
Air Canada
Wed, Feb 4 - Sat, Feb 14
GRU
Sao Paulo
STL
St. Louis
$888 Roundtrip, found 6 days ago
$888
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Feb 4 from Sao Paulo to St. Louis, returning Sat, Feb 14, priced at $888 found 6 days ago
GOL Linhas Aereas S.A.
Wed, Feb 4 - Sat, Feb 14
GRU
Sao Paulo
STL
St. Louis
$927 Roundtrip, found 6 days ago
$927
Roundtrip
found 6 days ago
Select GOL Linhas Aereas S.A. flight, departing Wed, Feb 4 from Sao Paulo to St. Louis, returning Sat, Feb 14, priced at $927 found 6 days ago
LATAM Airlines Group
Wed, Feb 4 - Sat, Feb 14
GRU
Sao Paulo
STL
St. Louis
$930 Roundtrip, found 6 days ago
$930
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Wed, Feb 4 from Sao Paulo to St. Louis, returning Sat, Feb 14, priced at $930 found 6 days ago
LATAM Airlines Group
Wed, Feb 4 - Sat, Feb 14
GRU
Sao Paulo
STL
St. Louis
$935 Roundtrip, found 6 days ago
$935
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Wed, Feb 4 from Sao Paulo to St. Louis, returning Sat, Feb 14, priced at $935 found 6 days ago
LATAM Airlines Group
Wed, Feb 4 - Sat, Feb 14
GRU
Sao Paulo
STL
St. Louis
$939 Roundtrip, found 6 days ago
$939
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Wed, Feb 4 from Sao Paulo to St. Louis, returning Sat, Feb 14, priced at $939 found 6 days ago
American Airlines
Sat, May 23 - Tue, Jun 9
GRU
Sao Paulo
STL
St. Louis
$980 Roundtrip, found 16 hours ago
$980
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, May 23 from Sao Paulo to St. Louis, returning Tue, Jun 9, priced at $980 found 16 hours ago
Delta
Sat, May 23 - Tue, Jun 9
GRU
Sao Paulo
STL
St. Louis
$980 Roundtrip, found 16 hours ago
$980
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, May 23 from Sao Paulo to St. Louis, returning Tue, Jun 9, priced at $980 found 16 hours ago

Frequently asked questions

How much does a flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $370 or cheap return flight from $804 from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL)?
February is the least expensive month to fly from GRU to STL. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest GRU to STL flight.
How many flights per day from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights departing from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from GRU to STL?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from GRU to STL are generally more expensive. For the best rates, start looking for flights early. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a GRU to STL flight and hotel package?
Booking a GRU to STL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Lambert-St. Louis Intl. Airport (STL)?
Generally, it's possible to cancel or reschedule your GRU to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Guarulhos - Governor André Franco Montoro Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, GOL Linhas Aereas S.A., LATAM Airlines Group, United, avianca
Roundtrip price
$803
Distance
5148 mi

Book with confidence

São Paulo to St. Louis Flights

The cheapest times to fly from São Paulo to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from São Paulo to St. Louis are during the month of February. You can find some of the cheapest flights from São Paulo to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from São Paulo to St. Louis

Sunday is one of the best days to book for cheap flights from São Paulo to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from São Paulo to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from São Paulo to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $370 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap São Paulo to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your São Paulo to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

São Paulo to St. Louis Flights

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