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Cheap flights from St. Louis to Sao Paulo from $633

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 12/25. 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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Cheap round-trip flights

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Air Canada Logo
4:05 pm - 9:00 amSTL-GRU
37h 55m2 stops
Air Canada Logo
9:45 pm - 3:29 pmGRU-STL
20h 44m2 stops
$764Air Canada
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Wed, Nov 12 - Wed, Nov 19
Air Canada Logo
4:05 pm - 5:10 pmSTL-GRU
22h 05m2 stops
Air Canada Logo
9:45 pm - 3:29 pmGRU-STL
44h 44m2 stops
$773Air Canada
Find Deal
Thu, Jan 22 - Sun, Feb 1
United Airlines Logo
1:27 pm - 7:50 amSTL-GRU
16h 23m2 stops
United Airlines Logo
9:30 pm - 12:20 pmGRU-STL
16h 50m2 stops
$1,045United Airlines
Find Deal
Mon, Mar 23 - Tue, Mar 31
American Airlines Logo
3:37 pm - 8:10 amSTL-GRU
13h 33m1 stop
American Airlines Logo
12:15 am - 5:24 pmGRU-STL
20h 09m1 stop
$1,080American Airlines
Find Deal
Thu, Jan 22 - Sun, Feb 1
LATAM Airlines Logo
9:47 am - 5:40 amSTL-GRU
16h 53m1 stop
LATAM Airlines Logo
11:55 pm - 11:38 pmGRU-STL
26h 43m2 stops
$1,082LATAM Airlines
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Wed, Dec 24 - Wed, Dec 31
Delta Logo
4:52 pm - 1:40 pmSTL-GRU
17h 48m2 stops
Delta Logo
2:20 pm - 8:58 amGRU-STL
21h 38m2 stops
$1,097Delta
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Wed, Dec 24 - Wed, Dec 31
LATAM Airlines Logo
10:00 am - 5:40 amSTL-GRU
16h 40m1 stop
LATAM Airlines Logo
11:45 pm - 10:50 amGRU-STL
14h 05m1 stop
$1,112LATAM Airlines
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Sat, Feb 14 - Sat, Feb 21
United Airlines Logo
10:07 am - 9:30 amSTL-GRU
20h 23m1 stop
United Airlines Logo
10:25 pm - 7:27 pmGRU-STL
24h 02m1 stop
$1,120United Airlines
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Thu, Jan 22 - Sun, Feb 1
American Airlines Logo
5:27 am - 8:10 amSTL-GRU
23h 43m1 stop
American Airlines Logo
12:15 am - 1:58 pmGRU-STL
16h 43m2 stops
$1,125American Airlines
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Sat, Feb 14 - Fri, Feb 20
Delta Logo
7:05 am - 5:40 amSTL-GRU
19h 35m1 stop
Delta Logo
3:20 pm - 9:04 amGRU-STL
20h 44m2 stops
$1,137Delta
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Wed, Dec 10 - Fri, Jan 16

LATAM Airlines flights from St. Louis to Sao Paulo Guarulhos Intl Airport

Our best LATAM Airlines deals on St. Louis to Sao Paulo Guarulhos Intl Airport flight tickets
LATAM Airlines
Dec 24
STL9:47 amLambert-St Louis
16h 53m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Dec 31
GRU11:55 pmSao Paulo Guarulhos Intl
26h 43m
2 stops
STL11:38 pmLambert-St Louis
$1,082
Find similar
LATAM Airlines
Feb 14
STL10:00 amLambert-St Louis
16h 40m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Feb 21
GRU11:45 pmSao Paulo Guarulhos Intl
14h 05m
1 stop
STL10:50 amLambert-St Louis
$1,112
Find similar
LATAM Airlines
Dec 10
STL6:00 amLambert-St Louis
20h 40m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Jan 15
GRU4:00 amSao Paulo Guarulhos Intl
22h 40m
2 stops
STL11:40 pmLambert-St Louis
$1,130
Find similar

Delta flights from St. Louis to Sao Paulo Guarulhos Intl Airport

Our best Delta deals on St. Louis to Sao Paulo Guarulhos Intl Airport flight tickets
Delta
Dec 24
STL4:52 pmLambert-St Louis
17h 48m
2 stops
GRU1:40 pmSao Paulo Guarulhos Intl
Dec 31
GRU2:20 pmSao Paulo Guarulhos Intl
21h 38m
2 stops
STL8:58 amLambert-St Louis
$1,097
Find similar
Delta
Dec 10
STL7:05 amLambert-St Louis
19h 35m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Jan 16
GRU3:20 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL9:04 amLambert-St Louis
$1,137
Find similar
Delta
Dec 10
STL11:40 amLambert-St Louis
15h 00m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Jan 16
GRU11:45 pmSao Paulo Guarulhos Intl
15h 05m
1 stop
STL11:50 amLambert-St Louis
$1,173
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Sao Paulo Guarulhos Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from St. Louis to Sao Paulo Guarulhos Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Wed 11/19

9:45 pm-3:29 pm

2 stops20h 44m

$764

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 1/22

4:05 pm-5:10 pm

2 stops22h 05m

Sao Paulo Guarulhos Intl

Sun 2/1

9:45 pm-3:29 pm

2 stops44h 44m

$773

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 3/23

1:27 pm-7:50 am

2 stops16h 23m

Sao Paulo Guarulhos Intl

Tue 3/31

9:30 pm-12:20 pm

2 stops16h 50m

$1,045

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 1/22

3:37 pm-8:10 am

1 stop13h 33m

Sao Paulo Guarulhos Intl

Sun 2/1

12:15 am-5:24 pm

1 stop20h 09m

$1,080

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

9:47 am-5:40 am

1 stop16h 53m

Sao Paulo Guarulhos Intl

Wed 12/31

11:55 pm-11:38 pm

2 stops26h 43m

$1,082

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

4:52 pm-1:40 pm

2 stops17h 48m

Sao Paulo Guarulhos Intl

Wed 12/31

2:20 pm-8:58 am

2 stops21h 38m

$1,097

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 2/14

10:00 am-5:40 am

1 stop16h 40m

Sao Paulo Guarulhos Intl

Sat 2/21

11:45 pm-10:50 am

1 stop14h 05m

$1,112

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 1/22

10:07 am-9:30 am

1 stop20h 23m

Sao Paulo Guarulhos Intl

Sun 2/1

10:25 pm-7:27 pm

1 stop24h 02m

$1,120

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 2/14

5:27 am-8:10 am

1 stop23h 43m

Sao Paulo Guarulhos Intl

Fri 2/20

12:15 am-1:58 pm

2 stops16h 43m

$1,125

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/10

7:05 am-5:40 am

1 stop19h 35m

Sao Paulo Guarulhos Intl

Fri 1/16

3:20 pm-9:04 am

2 stops20h 44m

$1,137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Sao Paulo Guarulhos Intl Airport

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

What is the cheapest month to fly to Sao Paulo Guarulhos Intl Airport?

In general, January is the cheapest month to fly from St. Louis to Sao Paulo Guarulhos Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $800. If you don’t want to visit Sao Paulo Guarulhos Intl Airport in January, then you should wait until July to fly from St. Louis, when ticket prices are also cheap, with an average price of $817.

What is the cheapest day to depart on your flight to Sao Paulo Guarulhos Intl Airport?

On average, the least expensive day to fly to Sao Paulo Guarulhos Intl Airport from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $1,048. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Sao Paulo Guarulhos Intl Airport is Sunday, with ticket prices averaging around $1,396.

What is the cheapest time of day to depart on your flight to Sao Paulo Guarulhos Intl Airport?

Our data shows that the cheapest St. Louis to Sao Paulo Guarulhos Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Sao Paulo Guarulhos Intl Airport in the morning for as low as $1,097. Flights in the evening are often more expensive with an average ticket price of $1,268.

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

You could potentially save up to 42% on your flight if you consider stops on a St. Louis to Sao Paulo Guarulhos Intl Airport flight.

When to book flights from St. Louis to Sao Paulo Guarulhos Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sao Paulo Guarulhos Intl Airport 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 Guarulhos Intl Airport (STL to GRU) flight deals and tips

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

Direct flights

None
There are no direct flights from St. Louis to Sao Paulo Guarulhos Intl Airport. There are no popular flight routes from St. Louis to Sao Paulo Guarulhos Intl Airport.
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  • How far is Lambert-St Louis to Sao Paulo Guarulhos Intl by plane?

    The distance between Lambert-St Louis and Sao Paulo Guarulhos Intl is about 5133.5 mi. A reasonable flight in good conditions will take 12h 38m.

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

    Prices for flights from Lambert-St Louis Airport to Sao Paulo Guarulhos Intl Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Sao Paulo Guarulhos Intl Airport.

  • What documentation or ID do you need to fly to Sao Paulo Guarulhos Intl Airport?

    The necessary travel and health documents for your Sao Paulo Guarulhos Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Sao Paulo Guarulhos Intl Airport?

Best airlines flying from St. Louis to Sao Paulo Guarulhos Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Sao Paulo Guarulhos Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,861 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,261 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $858Free CancellationRating
7.9
7,969 reviews
Search Delta flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights

Traveling to a place near Sao Paulo?

Book flights to Sao Paulo if you plan to visit one of these locations
Guarulhos
Santos
Campinas
Guarujá
Aparecida

Why use momondo?

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

It is quick and easy to find St. Louis to Sao Paulo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sao Paulo that suits you.

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

Yes. All flights to Sao Paulo from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential St. Louis to Sao Paulo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for St. Louis to Sao Paulo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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