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

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

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.

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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 30m.

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.

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 2 as of August 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.

$349 Cheap Flights from St. Louis to Sao Paulo in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Sao Paulo

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:55 am - 9:05 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

22h 10m1 stop Toronto Pearson Intl

9:00 pm - 6:41 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

23h 41m1 stop Montreal Pierre Elliott Trudeau Intl

$964Air Canada

Mon, Sep 7 - Wed, Sep 23

8:55 am - 9:05 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

22h 10m1 stop Toronto Pearson Intl

9:00 pm - 2:00 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

19h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$967Air Canada

Mon, Sep 7 - Wed, Sep 23

12:10 pm - 9:50 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

19h 40m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 pm - 3:26 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

19h 56m1 stop Toronto Pearson Intl

$971Air Canada

Tue, Oct 20 - Wed, Oct 28

12:10 pm - 9:50 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

19h 40m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 pm - 3:26 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

19h 56m1 stop Toronto Pearson Intl

$971Air Canada

Wed, Oct 21 - Wed, Oct 28

3:20 pm - 9:00 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

15h 40m1 stop Dallas/Fort Worth

10:00 pm - 7:48 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

23h 48m1 stop Dallas/Fort Worth

$1,289American Airlines

Thu, Oct 8 - Mon, Oct 19

6:07 pm - 8:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

12h 13m1 stop Miami

9:25 pm - 2:46 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

19h 21m2 stops Miami Charlotte Douglas

$1,293American Airlines

Thu, Oct 8 - Mon, Oct 19

3:12 pm - 6:30 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

13h 18m1 stop Houston George Bush Intcntl

9:30 pm - 10:12 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 42m1 stop Washington, D.C. Dulles Intl

$1,293United Airlines

Fri, Oct 23 - Fri, Oct 30

5:36 pm - 9:40 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

14h 04m1 stop Chicago O'Hare Intl

9:30 pm - 10:12 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 42m1 stop Washington, D.C. Dulles Intl

$1,293United Airlines

Sun, Oct 18 - Fri, Oct 30

1:20 pm - 7:15 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

15h 55m2 stops Washington, D.C. Reagan-National New York John F Kennedy Intl

9:25 pm - 12:35 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

17h 10m2 stops Miami Chicago O'Hare Intl

$1,293American Airlines

Thu, Oct 8 - Mon, Oct 19

5:36 pm - 9:40 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

14h 04m1 stop Chicago O'Hare Intl

10:15 pm - 10:32 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 17m1 stop Chicago O'Hare Intl

$1,293United Airlines

Sun, Oct 18 - Sun, Oct 25

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LATAM Airlines flights from St. Louis to Sao Paulo

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

LATAM Airlines

Sep 23

STL6:45 pmLambert-St Louis

32h 45m

2 stops

GRU5:30 amSao Paulo Guarulhos Intl

Sep 30

GRU12:45 pmSao Paulo Guarulhos Intl

31h 00m

2 stops

STL5:45 pmLambert-St Louis

$1,170

LATAM Airlines

Oct 19

STL12:00 pmLambert-St Louis

15h 30m

2 stops

GRU5:30 amSao Paulo Guarulhos Intl

Oct 26

GRU11:55 pmSao Paulo Guarulhos Intl

20h 20m

2 stops

STL6:15 pmLambert-St Louis

$1,213

LATAM Airlines

Oct 19

STL2:25 pmLambert-St Louis

13h 15m

1 stop

GRU5:40 amSao Paulo Guarulhos Intl

Oct 30

GRU9:30 pmSao Paulo Guarulhos Intl

14h 12m

1 stop

STL9:42 amLambert-St Louis

$1,253

Air Canada flights from St. Louis to Sao Paulo

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

Air Canada

Sep 7

STL8:55 amLambert-St Louis

22h 10m

1 stop

GRU9:05 amSao Paulo Guarulhos Intl

Sep 23

GRU9:00 pmSao Paulo Guarulhos Intl

23h 41m

1 stop

STL6:41 pmLambert-St Louis

$964

Air Canada

Sep 7

STL8:55 amLambert-St Louis

22h 10m

1 stop

GRU9:05 amSao Paulo Guarulhos Intl

Sep 23

GRU9:00 pmSao Paulo Guarulhos Intl

19h 00m

2 stops

STL2:00 pmLambert-St Louis

$967

Air Canada

Oct 20

STL12:10 pmLambert-St Louis

19h 40m

1 stop

GRU9:50 amSao Paulo Guarulhos Intl

Oct 26

GRU9:30 pmSao Paulo Guarulhos Intl

19h 56m

1 stop

STL3:26 pmLambert-St Louis

$971

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 9/7

8:55 am-9:05 am

1 stop22h 10m

Sao Paulo Guarulhos Intl

Wed 9/23

9:00 pm-6:41 pm

1 stop23h 41m

$964

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 9/7

8:55 am-9:05 am

1 stop22h 10m

Sao Paulo Guarulhos Intl

Wed 9/23

9:00 pm-2:00 pm

2 stops19h 00m

$967

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Tue 10/20

12:10 pm-9:50 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Wed 10/28

9:30 pm-3:26 pm

1 stop19h 56m

$971

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Wed 10/21

12:10 pm-9:50 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Wed 10/28

9:30 pm-3:26 pm

1 stop19h 56m

$971

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 10/8

3:20 pm-9:00 am

1 stop15h 40m

Sao Paulo Guarulhos Intl

Mon 10/19

10:00 pm-7:48 pm

1 stop23h 48m

$1,289

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 10/8

6:07 pm-8:20 am

1 stop12h 13m

Sao Paulo Guarulhos Intl

Mon 10/19

9:25 pm-2:46 pm

2 stops19h 21m

$1,293

Quickest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Fri 10/23

3:12 pm-6:30 am

1 stop13h 18m

Sao Paulo Guarulhos Intl

Fri 10/30

9:30 pm-10:12 am

1 stop14h 42m

$1,293

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sun 10/18

5:36 pm-9:40 am

1 stop14h 04m

Sao Paulo Guarulhos Intl

Fri 10/30

9:30 pm-10:12 am

1 stop14h 42m

$1,293

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 10/8

1:20 pm-7:15 am

2 stops15h 55m

Sao Paulo Guarulhos Intl

Mon 10/19

9:25 pm-12:35 pm

2 stops17h 10m

$1,293

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sun 10/18

5:36 pm-9:40 am

1 stop14h 04m

Sao Paulo Guarulhos Intl

Sun 10/25

10:15 pm-10:32 am

1 stop14h 17m

$1,293

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 $834, 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 41% 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	$349
Fastest flight time	15h 02m
Direct flights	None

The best one-way flight to Sao Paulo from St. Louis in the past 72 hours is $349. The best round-trip flight deal from St. Louis to Sao Paulo found on momondo in the last 72 hours is $964.

The fastest flight from St. Louis to Sao Paulo takes 15h 02m

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 15h 02m, 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 2 as of August 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 Air Canada, making up 35% of the total bookings. Other popular airlines include American Airlines with 32% and Delta with 32%.

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
United Airlines	PriceFrom $1,179	Free Cancellation	Rating 7.4 10,121 reviews		Search United Airlines flights
American Airlines	PriceFrom $1,188	Free Cancellation	Rating 7.1 11,995 reviews		Search American Airlines flights

Guarujá

Santos

Why use momondo?

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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Sao Paulo Viracopos Airport

Cheap flights from St. Louis to Sao Paulo from $349

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 10/23. 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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LATAM Airlines flights from St. Louis to Sao Paulo

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

Air Canada flights from St. Louis to Sao Paulo

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

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See travel insights to Sao Paulo from

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?

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.

Get notified when prices go down

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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