Which layover airport has the shortest travel time from St. Louis to Sao Paulo?

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 12h 10m.

Which airport is the most popular layover for flights between St. Louis and Sao Paulo?

Atlanta (ATL) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from St. Louis to Sao Paulo?

Miami (MIA) has the shortest average layover time for this route: 1h 21m.

What is the cheapest airline that flies from Lambert-St Louis to Sao Paulo?

Copa Airlines is the most popular carrier operating from Lambert-St Louis to Sao Paulo

What airlines fly to Sao Paulo?

American Airlines, United Airlines and LATAM Airlines are the top three most popular airlines that fly to Sao Paulo from St. Louis according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Sao Paulo. Keep in mind that there are 3 different airlines that fly to Sao Paulo on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from St. Louis to Sao Paulo?

Flights via Miami (MIA) offer the lowest average round-trip price of $1,064.

When did momondo last update prices for flights from Lambert-St Louis Airport to Sao Paulo?

Prices for flights from Lambert-St Louis Airport to Sao Paulo are updated daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Sao Paulo?

The number of operators available for flights from Lambert-St Louis Airport to Sao Paulo is 3 as of October 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Sao Paulo?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sao Paulo.

What documentation or ID do you need to fly to Sao Paulo?

The travel and health documents you'll need for your trip to Sao Paulo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sao Paulo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$504 Cheap Flights from St. Louis to Sao Paulo in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Sao Paulo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:26 pm - 2:50 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

31h 24m2 stops Orlando Punta Cana

1:00 am - 12:12 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

26h 12m2 stops Punta Cana Orlando Sanford Intl

$921Multiple Airlines

Mon, Nov 16 - Mon, Nov 30

4:05 pm - 9:00 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

37h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

9:45 pm - 3:26 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

20h 41m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$960Air Canada

Wed, Feb 17 - Mon, Feb 22

4:05 pm - 9:00 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

37h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

9:45 pm - 3:26 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

20h 41m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$960Air Canada

Mon, Feb 15 - Wed, Feb 24

11:51 am - 3:30 pmSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

24h 39m2 stops Atlanta Hartsfield-Jackson Santiago Arturo Merino Benitez

5:40 pm - 8:12 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

17h 32m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson

$1,230LATAM Airlines

Tue, Feb 16 - Tue, Feb 23

11:51 am - 5:40 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

14h 49m1 stop Atlanta Hartsfield-Jackson

8:00 am - 11:39 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

18h 39m2 stops Bogotá El Dorado Atlanta Hartsfield-Jackson

$1,334LATAM Airlines

Mon, Feb 15 - Wed, Feb 24

3:21 pm - 7:15 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

12h 54m1 stop Chicago O'Hare Intl

9:30 pm - 12:06 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

17h 36m1 stop Chicago O'Hare Intl

$1,334United Airlines

Thu, Feb 18 - Thu, Feb 25

11:51 am - 5:40 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

14h 49m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:39 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

20h 09m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,334LATAM Airlines

Mon, Feb 15 - Mon, Feb 22

9:35 am - 7:15 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

18h 40m1 stop Chicago O'Hare Intl

10:25 pm - 9:22 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

25h 57m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,339United Airlines

Tue, Dec 22 - Tue, Dec 29

5:00 am - 6:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

22h 20m1 stop Miami

10:35 pm - 11:18 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 43m1 stop Miami

$1,374American Airlines

Thu, Mar 11 - Sat, Mar 20

2:19 pm - 9:00 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

15h 41m2 stops Chicago O'Hare Intl Miami

11:10 pm - 11:18 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 08m1 stop Miami

$1,379American Airlines

Thu, Mar 11 - Sat, Mar 20

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Air Canada flights from St. Louis to Sao Paulo

Our best Air Canada deals on St. Louis to Sao Paulo flight tickets

Air Canada

Feb 15

STL4:05 pmLambert-St Louis

37h 55m

2 stops

GRU9:00 amSao Paulo Guarulhos Intl

Feb 24

GRU9:45 pmSao Paulo Guarulhos Intl

20h 41m

2 stops

STL3:26 pmLambert-St Louis

$960

Air Canada

Feb 15

STL4:05 pmLambert-St Louis

37h 55m

2 stops

GRU9:00 amSao Paulo Guarulhos Intl

Feb 26

GRU1:45 pmSao Paulo Guarulhos Intl

28h 41m

2 stops

STL3:26 pmLambert-St Louis

$963

Air Canada

Feb 17

STL4:05 pmLambert-St Louis

37h 55m

2 stops

GRU9:00 amSao Paulo Guarulhos Intl

Feb 23

GRU9:30 pmSao Paulo Guarulhos Intl

20h 56m

1 stop

STL3:26 pmLambert-St Louis

$1,025

Azul flights from St. Louis to Sao Paulo

Our best Azul deals on St. Louis to Sao Paulo flight tickets

Azul

Feb 17

STL4:05 pmLambert-St Louis

13h 55m

1 stop

GRU9:00 amSao Paulo Guarulhos Intl

Feb 25

GRU9:30 pmSao Paulo Guarulhos Intl

20h 56m

1 stop

STL3:26 pmLambert-St Louis

$1,155

Azul

Feb 16

STL4:05 pmLambert-St Louis

15h 30m

1 stop

GRU10:35 amSao Paulo Guarulhos Intl

Feb 23

GRU9:30 pmSao Paulo Guarulhos Intl

20h 56m

1 stop

STL3:26 pmLambert-St Louis

$1,212

Azul

Feb 14

STL4:05 pmLambert-St Louis

15h 30m

1 stop

GRU10:35 amSao Paulo Guarulhos Intl

Feb 25

GRU9:30 pmSao Paulo Guarulhos Intl

20h 56m

1 stop

STL3:26 pmLambert-St Louis

$1,236

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 11/16

4:26 pm-2:50 am

2 stops31h 24m

Sao Paulo Guarulhos Intl

Mon 11/30

1:00 am-12:12 am

2 stops26h 12m

$921

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Wed 2/17

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Mon 2/22

9:45 pm-3:26 pm

2 stops20h 41m

$960

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 2/15

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Wed 2/24

9:45 pm-3:26 pm

2 stops20h 41m

$960

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Tue 2/16

11:51 am-3:30 pm

2 stops24h 39m

Sao Paulo Guarulhos Intl

Tue 2/23

5:40 pm-8:12 am

2 stops17h 32m

$1,230

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 2/15

11:51 am-5:40 am

1 stop14h 49m

Sao Paulo Guarulhos Intl

Wed 2/24

8:00 am-11:39 pm

2 stops18h 39m

$1,334

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 2/18

3:21 pm-7:15 am

1 stop12h 54m

Sao Paulo Guarulhos Intl

Thu 2/25

9:30 pm-12:06 pm

1 stop17h 36m

$1,334

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 2/15

11:51 am-5:40 am

1 stop14h 49m

Sao Paulo Guarulhos Intl

Mon 2/22

6:30 am-11:39 pm

2 stops20h 09m

$1,334

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Tue 12/22

9:35 am-7:15 am

1 stop18h 40m

Sao Paulo Guarulhos Intl

Tue 12/29

10:25 pm-9:22 pm

2 stops25h 57m

$1,339

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 3/11

5:00 am-6:20 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Sat 3/20

10:35 pm-11:18 am

1 stop14h 43m

$1,374

Quickest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 3/11

2:19 pm-9:00 am

2 stops15h 41m

Sao Paulo Guarulhos Intl

Sat 3/20

11:10 pm-11:18 am

1 stop14h 08m

$1,379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Sao Paulo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Sao Paulo?

The cheapest month to fly to Sao Paulo from St. Louis is in September. Flight prices, which tend to average around $835, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in September, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $1,120.

Can stopping save me money on St. Louis to Sao Paulo flights?

You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Sao Paulo flight.

When to book flights from St. Louis to Sao Paulo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sao Paulo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Sao Paulo (STL to SAO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sao Paulo

Best Price Found	$504
Fastest flight time	17h 19m
Direct flights	None

The best one-way flight to Sao Paulo from St. Louis in the past 72 hours is $504. The best round-trip flight deal from St. Louis to Sao Paulo found on momondo in the last 72 hours is $921.

The fastest flight from St. Louis to Sao Paulo takes 17h 19m

There are no direct flights from St. Louis to Sao Paulo. There are no popular flight routes from St. Louis to Sao Paulo.

Search flight deals

Frequently asked questions about flying from St. Louis to Sao Paulo

How far is Lambert-St Louis to Sao Paulo by plane?
Lambert-St Louis and Sao Paulo are 5134.3 mi apart from one another. Flights usually cover this in 17h 19m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Sao Paulo?
Prices for flights from Lambert-St Louis Airport to Sao Paulo are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Sao Paulo?
The number of operators available for flights from Lambert-St Louis Airport to Sao Paulo is 3 as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Sao Paulo?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sao Paulo.
What documentation or ID do you need to fly to Sao Paulo?
The travel and health documents you'll need for your trip to Sao Paulo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sao Paulo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Sao Paulo?
Based on momondo bookings for flights between St. Louis and Sao Paulo, the leading airline is Delta, making up 40% of the total bookings. Other popular airlines include American Airlines with 32% and Air Canada with 28%.

Best airlines flying from St. Louis to Sao Paulo

Compare and see reviews for airlines that fly from St. Louis to Sao Paulo with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $1,064	Free Cancellation	Rating 7.0 12,183 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $1,188	Free Cancellation	Rating 7.4 1,972 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom $1,292	Free Cancellation	Rating 7.3 10,389 reviews	Search United Airlines flights

Guarujá

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Why should I use momondo to find a flight deal from St. Louis to Sao Paulo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Sao Paulo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Sao Paulo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Sao Paulo flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Sao Paulo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sao Paulo from St. Louis.

I’m not ready to book a flight from St. Louis to Sao Paulo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Sao Paulo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Sao Paulo

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Cheap flights from St. Louis to Sao Paulo from $504

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sao Paulo departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from St. Louis to Sao Paulo

Our best Air Canada deals on St. Louis to Sao Paulo flight tickets

Azul flights from St. Louis to Sao Paulo

Our best Azul deals on St. Louis to Sao Paulo flight tickets

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How to get the cheapest flight ticket from St. Louis to Sao Paulo

What is the cheapest month to fly to Sao Paulo?

Can stopping save me money on St. Louis to Sao Paulo flights?

What is the cheapest airline that flies from Lambert-St Louis to Sao Paulo?

What airlines fly to Sao Paulo?

Which airport is the most popular layover for flights between St. Louis and Sao Paulo?

Which layover airport offers the lowest fares from St. Louis to Sao Paulo?

Which layover airport has the shortest travel time from St. Louis to Sao Paulo?

Which layover airport has the shortest connection time from St. Louis to Sao Paulo?

When to book flights from St. Louis to Sao Paulo

Cheap St. Louis to Sao Paulo (STL to SAO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Sao Paulo

Best airlines flying from St. Louis to Sao Paulo

Compare and see reviews for airlines that fly from St. Louis to Sao Paulo with momondo

Traveling to a place near Sao Paulo?

Why use momondo?

An easier way to manage your Sao Paulo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Brazil

Fly into one of these airports located in Sao Paulo

Airports listed have a maximum distance of 48.9 mi from Sao Paulo

Fly your favorite airline to Sao Paulo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sao Paulo

List of cabin classes available on flights landing in Sao Paulo. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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