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Cheap flights from St. Louis to Sao Paulo from $757

This is the cheapest round-trip 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 9/17. 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

Air Canada Logo
9:15 am - 9:40 amSTL-GRU
22h 25m2 stops
Air Canada Logo
9:00 pm - 7:57 pmGRU-STL
24h 57m1 stop
$757Air Canada
Find Deal
Wed, Sep 17 - Wed, Sep 24
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
$763Air Canada
Find Deal
Sat, Feb 14 - Sat, Feb 21
American Airlines Logo
4:21 pm - 8:05 amSTL-GRU
12h 44m1 stop
American Airlines Logo
12:15 am - 3:50 pmGRU-STL
18h 35m1 stop
$1,085American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
1:43 pm - 8:45 amSTL-GRU
16h 02m2 stops
American Airlines Logo
12:15 am - 1:14 pmGRU-STL
15h 59m2 stops
$1,089American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Logo
9:15 am - 9:15 amSTL-GRU
22h 00m1 stop
Logo
1:45 am - 7:38 pmGRU-STL
19h 53m2 stops
$1,103
Find Deal
Wed, Sep 17 - Tue, Sep 23
LATAM Airlines Logo
5:17 pm - 9:35 amSTL-GRU
13h 18m1 stop
LATAM Airlines Logo
10:40 am - 6:42 pmGRU-STL
35h 02m1 stop
$1,112LATAM Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
LATAM Airlines Logo
9:00 am - 6:15 amSTL-GRU
18h 15m2 stops
LATAM Airlines Logo
11:55 pm - 11:40 pmGRU-STL
26h 45m2 stops
$1,121LATAM Airlines
Find Deal
Sun, Dec 7 - Sun, Jan 11
Logo
4:05 pm - 9:00 amSTL-GRU
37h 55m2 stops
Logo
5:25 pm - 3:29 pmGRU-STL
49h 04m2 stops
$1,122
Find Deal
Wed, Nov 19 - Tue, Nov 25
Delta Logo
4:27 pm - 9:55 amSTL-GRU
14h 28m1 stop
Delta Logo
3:20 pm - 9:04 amGRU-STL
20h 44m2 stops
$1,235Delta
Find Deal
Mon, Dec 15 - Sat, Jan 10
Delta Logo
11:51 am - 9:55 amSTL-GRU
19h 04m2 stops
Delta Logo
3:20 pm - 9:04 amGRU-STL
20h 44m2 stops
$1,308Delta
Find Deal
Mon, Dec 15 - Sat, Jan 10

Air Canada flights from St. Louis to Sao Paulo Guarulhos Intl Airport

Our best Air Canada deals on St. Louis to Sao Paulo Guarulhos Intl Airport flight tickets
Air Canada
Sep 17
STL9:15 amLambert-St Louis
22h 25m
2 stops
GRU9:40 amSao Paulo Guarulhos Intl
Sep 24
GRU9:00 pmSao Paulo Guarulhos Intl
24h 57m
1 stop
STL7:57 pmLambert-St Louis
$757
Find similar
Air Canada
Feb 14
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Feb 21
GRU9:45 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL3:29 pmLambert-St Louis
$763
Find similar
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
13h 55m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:45 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL3:29 pmLambert-St Louis
$838
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 15
STL4:27 pmLambert-St Louis
14h 28m
1 stop
GRU9:55 amSao Paulo Guarulhos Intl
Jan 10
GRU3:20 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL9:04 amLambert-St Louis
$1,235
Find similar
Delta
Dec 15
STL11:51 amLambert-St Louis
19h 04m
2 stops
GRU9:55 amSao Paulo Guarulhos Intl
Jan 10
GRU3:20 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL9:04 amLambert-St Louis
$1,308
Find similar
Delta
Jan 1
STL9:53 amLambert-St Louis
20h 42m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Jan 10
GRU11:45 pmSao Paulo Guarulhos Intl
14h 05m
1 stop
STL10:50 amLambert-St Louis
$1,385
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 August 18, 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 9/17

9:15 am-9:40 am

2 stops22h 25m

Sao Paulo Guarulhos Intl

Wed 9/24

9:00 pm-7:57 pm

1 stop24h 57m

$757

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 2/14

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Sat 2/21

9:45 pm-3:29 pm

2 stops20h 44m

$763

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

4:21 pm-8:05 am

1 stop12h 44m

Sao Paulo Guarulhos Intl

Tue 11/18

12:15 am-3:50 pm

1 stop18h 35m

$1,085

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

1:43 pm-8:45 am

2 stops16h 02m

Sao Paulo Guarulhos Intl

Tue 11/18

12:15 am-1:14 pm

2 stops15h 59m

$1,089

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/17

9:15 am-9:15 am

1 stop22h 00m

Sao Paulo Guarulhos Intl

Tue 9/23

1:45 am-7:38 pm

2 stops19h 53m

$1,103

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

5:17 pm-9:35 am

1 stop13h 18m

Sao Paulo Guarulhos Intl

Wed 12/31

10:40 am-6:42 pm

1 stop35h 02m

$1,112

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 12/7

9:00 am-6:15 am

2 stops18h 15m

Sao Paulo Guarulhos Intl

Sun 1/11

11:55 pm-11:40 pm

2 stops26h 45m

$1,121

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/19

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Tue 11/25

5:25 pm-3:29 pm

2 stops49h 04m

$1,122

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 12/15

4:27 pm-9:55 am

1 stop14h 28m

Sao Paulo Guarulhos Intl

Sat 1/10

3:20 pm-9:04 am

2 stops20h 44m

$1,235

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 12/15

11:51 am-9:55 am

2 stops19h 04m

Sao Paulo Guarulhos Intl

Sat 1/10

3:20 pm-9:04 am

2 stops20h 44m

$1,308

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Sao Paulo from

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 $763. 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

Best Price Found

$2,357

Fastest flight time

12h 30m

Direct flights

None
The best one-way flight to Sao Paulo Guarulhos Intl Airport from St. Louis in the past 72 hours is $2,357. The best round-trip flight deal from St. Louis to Sao Paulo Guarulhos Intl Airport found on momondo in the last 72 hours is $757.
The fastest flight from St. Louis to Sao Paulo Guarulhos Intl Airport takes 12h 30m
There are no direct flights from St. Louis to Sao Paulo Guarulhos Intl Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - Sao Paulo Guarulhos Intl Airport.
Search flight deals

  • 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 30m.

  • 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
1,844 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $858Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,925 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
Guarujá
Campinas
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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