$375 Cheap Flights from São Paulo (GRU) to St. Louis (STL)

View $375 flight on Mon, May 12, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $375 for one-way flights and $860 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, May 21 - Tue, Jun 17
GRU
Sao Paulo
STL
St. Louis
$860 Roundtrip, found 4 days ago
$860
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, May 21 from Sao Paulo to St. Louis, returning Tue, Jun 17, priced at $860 found 4 days ago
Air Canada
Fri, May 16 - Tue, Jun 3
GRU
Sao Paulo
STL
St. Louis
$867 Roundtrip, found 4 days ago
$867
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, May 16 from Sao Paulo to St. Louis, returning Tue, Jun 3, priced at $867 found 4 days ago
Air Canada
Fri, May 16 - Tue, Jun 3
GRU
Sao Paulo
STL
St. Louis
$887 Roundtrip, found 4 days ago
$887
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, May 16 from Sao Paulo to St. Louis, returning Tue, Jun 3, priced at $887 found 4 days ago
American Airlines
Mon, May 19 - Wed, Aug 13
GRU
Sao Paulo
STL
St. Louis
$898 Roundtrip, found 5 days ago
$898
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, May 19 from Sao Paulo to St. Louis, returning Wed, Aug 13, priced at $898 found 5 days ago
United
Mon, May 19 - Wed, Aug 13
GRU
Sao Paulo
STL
St. Louis
$923 Roundtrip, found 5 days ago
$923
Roundtrip
found 5 days ago
Select United flight, departing Mon, May 19 from Sao Paulo to St. Louis, returning Wed, Aug 13, priced at $923 found 5 days ago
United
Mon, May 19 - Wed, Aug 13
GRU
Sao Paulo
STL
St. Louis
$928 Roundtrip, found 5 days ago
$928
Roundtrip
found 5 days ago
Select United flight, departing Mon, May 19 from Sao Paulo to St. Louis, returning Wed, Aug 13, priced at $928 found 5 days ago
GOL Linhas Aereas S.A.
Fri, May 16 - Tue, Jun 3
GRU
Sao Paulo
STL
St. Louis
$932 Roundtrip, found 4 days ago
$932
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Fri, May 16 from Sao Paulo to St. Louis, returning Tue, Jun 3, priced at $932 found 4 days ago
Air Canada
Mon, May 19 - Wed, Aug 13
GRU
Sao Paulo
STL
St. Louis
$937 Roundtrip, found 5 days ago
$937
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, May 19 from Sao Paulo to St. Louis, returning Wed, Aug 13, priced at $937 found 5 days ago
Air Canada
Sat, May 17 - Tue, Jun 3
GRU
Sao Paulo
STL
St. Louis
$942 Roundtrip, found 4 days ago
$942
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, May 17 from Sao Paulo to St. Louis, returning Tue, Jun 3, priced at $942 found 4 days ago
LATAM Airlines Group
Tue, May 6 - Sat, May 10
GRU
Sao Paulo
STL
St. Louis
$958 Roundtrip, found 3 days ago
$958
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Tue, May 6 from Sao Paulo to St. Louis, returning Sat, May 10, priced at $958 found 3 days 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?
Discover the latest flight deals from GRU to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GRU to STL?
The cheapest flights from GRU to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GRU to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from GRU to STL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.
*Available to One Key members.