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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
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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
Wed, Nov 12 - Wed, Nov 19
Logo
7:45 pm - 8:35 amSTL-VCP
33h 50m2 stops
Logo
10:00 am - 10:39 pmVCP-STL
15h 39m1 stop
$1,028
Find Deal
Wed, Nov 19 - Tue, Nov 25
Logo
10:35 am - 9:00 amSTL-GRU
20h 25m2 stops
Logo
11:55 am - 5:10 pmGRU-STL
31h 15m1 stop
$1,050
Find Deal
Thu, Oct 2 - Thu, Oct 9
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
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
6:00 am - 9:35 amSTL-GRU
24h 35m1 stop
LATAM Airlines Logo
11:05 pm - 11:40 pmGRU-STL
27h 35m2 stops
$1,181LATAM Airlines
Find Deal
Thu, Jan 1 - Sat, Jan 10
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
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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

LATAM Airlines flights from St. Louis to Sao Paulo

Our best LATAM Airlines deals on St. Louis to Sao Paulo flight tickets
LATAM Airlines
Dec 24
STL5:17 pmLambert-St Louis
13h 18m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Dec 31
GRU10:40 amSao Paulo Guarulhos Intl
35h 02m
1 stop
STL6:42 pmLambert-St Louis
$1,112
Find similar
LATAM Airlines
Jan 1
STL6:00 amLambert-St Louis
24h 35m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Jan 10
GRU11:05 pmSao Paulo Guarulhos Intl
27h 35m
2 stops
STL11:40 pmLambert-St Louis
$1,181
Find similar
LATAM Airlines
Dec 24
STL5:17 pmLambert-St Louis
13h 18m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Dec 31
GRU10:40 amSao Paulo Guarulhos Intl
14h 19m
1 stop
STL9:59 pmLambert-St Louis
$1,183
Find similar

American Airlines flights from St. Louis to Sao Paulo

Our best American Airlines deals on St. Louis to Sao Paulo flight tickets
American Airlines
Nov 12
STL4:21 pmLambert-St Louis
12h 44m
1 stop
GRU8:05 amSao Paulo Guarulhos Intl
Nov 18
GRU12:15 amSao Paulo Guarulhos Intl
18h 35m
1 stop
STL3:50 pmLambert-St Louis
$1,085
Find similar
American Airlines
Nov 12
STL1:43 pmLambert-St Louis
16h 02m
2 stops
GRU8:45 amSao Paulo Guarulhos Intl
Nov 18
GRU12:15 amSao Paulo Guarulhos Intl
15h 59m
2 stops
STL1:14 pmLambert-St Louis
$1,089
Find similar
American Airlines
Feb 14
STL11:54 amLambert-St Louis
17h 16m
1 stop
GRU8:10 amSao Paulo Guarulhos Intl
Feb 20
GRU12:15 amSao Paulo Guarulhos Intl
18h 23m
1 stop
STL3:38 pmLambert-St Louis
$1,120
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Sao Paulo 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 19, 2025.
Use the filters below to find and compare flights from St. Louis to Sao Paulo 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

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

$763

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 11/19

7:45 pm-8:35 am

2 stops33h 50m

Sao Paulo Viracopos

Tue 11/25

10:00 am-10:39 pm

1 stop15h 39m

$1,028

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 10/2

10:35 am-9:00 am

2 stops20h 25m

Sao Paulo Guarulhos Intl

Thu 10/9

11:55 am-5:10 pm

1 stop31h 15m

$1,050

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 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

Thu 1/1

6:00 am-9:35 am

1 stop24h 35m

Sao Paulo Guarulhos Intl

Sat 1/10

11:05 pm-11:40 pm

2 stops27h 35m

$1,181

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 12 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

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?

The cheapest month to fly to Sao Paulo from St. Louis is in April. Flight prices, which tend to average around $698, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in April, then you should wait until May to fly from St. Louis, when ticket prices are also cheap, with an average price of $831.

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

The cheapest day to depart on your flight to Sao Paulo is on a Tuesday when prices can be found for as low as $949. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,206.

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

In the afternoon is the cheapest time of day to fly from St. Louis to Sao Paulo when you can find flight prices for as low as $1,059. Flying to Sao Paulo in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Sao Paulo are more costly at noon, with an average ticket price of $1,179. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 42% 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

$2,358

Fastest flight time

12h 44m

Direct flights

None

Airports in Sao Paulo

3 airports
The best one-way flight to Sao Paulo from St. Louis in the past 72 hours is $2,358. The best round-trip flight deal from St. Louis to Sao Paulo found on momondo in the last 72 hours is $757.
The fastest flight from St. Louis to Sao Paulo takes 12h 44m
There are no direct flights from St. Louis to Sao Paulo. Popular non-direct routes for this connection are Lambert-St Louis Airport - Sao Paulo Guarulhos Intl Airport, Lambert-St Louis Airport - Sao Paulo Viracopos Airport and Lambert-St Louis Airport - Sao Paulo Congonhas Airport.
There are 3 airports near Sao Paulo: Sao Paulo Viracopos (VCP), Sao Paulo Congonhas (CGH), Sao Paulo Guarulhos Intl (GRU)
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  • 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 12h 44m, 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?

  • 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?

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
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
9,997 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $858Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,922 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
Santos
Guarujá

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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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
Sao Paulo Congonhas Airport
Sao Paulo Guarulhos Intl Airport
Sao Paulo Viracopos Airport