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Cheap flights from St. Louis to Sao Paulo from $499

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 12/16. 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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GOL Logo
11:19 am - 10:45 amSTL-VCP
20h 26m2 stops
GOL Logo
5:55 pm - 10:27 amVCP-STL
43h 32m2 stops
$804GOL
Find Deal
Mon, Mar 2 - Wed, Mar 4
GOL Logo
5:03 pm - 9:40 pmSTL-CGH
26h 37m2 stops
GOL Logo
6:00 am - 11:37 pmCGH-STL
19h 37m2 stops
$837GOL
Find Deal
Mon, Mar 30 - Wed, Apr 1
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
$1,019Air Canada
Find Deal
Sat, Feb 14 - Sat, Feb 21
Multiple Airlines Logo
11:51 am - 1:25 pmSTL-GRU
22h 34m3 stops
Multiple Airlines Logo
7:00 am - 10:56 amGRU-STL
30h 56m3 stops
$1,089Multiple Airlines
Find Deal
Thu, Dec 25 - Mon, Dec 29
Multiple Airlines Logo
11:51 am - 1:25 pmSTL-GRU
22h 34m3 stops
Multiple Airlines Logo
2:40 am - 10:56 amGRU-STL
35h 16m3 stops
$1,096Multiple Airlines
Find Deal
Thu, Dec 25 - Sun, Dec 28
LATAM Airlines Logo
1:22 pm - 8:00 pmSTL-GRU
27h 38m2 stops
LATAM Airlines Logo
7:35 am - 11:38 pmGRU-STL
19h 03m2 stops
$1,105LATAM Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Air Canada Logo
4:05 pm - 9:00 amSTL-GRU
37h 55m2 stops
Air Canada Logo
9:30 pm - 3:29 pmGRU-STL
20h 59m1 stop
$1,109Air Canada
Find Deal
Sat, Feb 14 - Sat, Feb 21
LATAM Airlines Logo
9:47 am - 9:35 amSTL-GRU
20h 48m1 stop
LATAM Airlines Logo
7:35 am - 11:38 pmGRU-STL
19h 03m2 stops
$1,125LATAM Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Delta Logo
1:22 pm - 5:40 amSTL-GRU
13h 18m1 stop
Delta Logo
2:20 pm - 8:58 amGRU-STL
21h 38m2 stops
$1,215Delta
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Wed, Dec 24 - Wed, Dec 31
Delta Logo
4:32 pm - 9:55 amSTL-GRU
14h 23m1 stop
Delta Logo
4:30 pm - 8:53 amGRU-STL
19h 23m2 stops
$1,280Delta
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Wed, Dec 10 - Fri, Jan 16

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 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
$1,019
Find similar
Air Canada
Feb 14
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Feb 21
GRU9:30 pmSao Paulo Guarulhos Intl
20h 59m
1 stop
STL3:29 pmLambert-St Louis
$1,109
Find similar
Air Canada
Mar 29
STL4:05 pmLambert-St Louis
15h 10m
1 stop
GRU9:15 amSao Paulo Guarulhos Intl
Mar 31
GRU9:45 pmSao Paulo Guarulhos Intl
19h 39m
1 stop
STL3:24 pmLambert-St Louis
$1,124
Find similar

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
STL1:22 pmLambert-St Louis
27h 38m
2 stops
GRU8:00 pmSao Paulo Guarulhos Intl
Dec 31
GRU7:35 amSao Paulo Guarulhos Intl
19h 03m
2 stops
STL11:38 pmLambert-St Louis
$1,105
Find similar
LATAM Airlines
Dec 24
STL9:47 amLambert-St Louis
20h 48m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Dec 31
GRU7:35 amSao Paulo Guarulhos Intl
19h 03m
2 stops
STL11:38 pmLambert-St Louis
$1,125
Find similar
LATAM Airlines
Mar 29
STL11:51 amLambert-St Louis
17h 49m
2 stops
GRU7:40 amSao Paulo Guarulhos Intl
Mar 31
GRU10:50 pmSao Paulo Guarulhos Intl
15h 00m
1 stop
STL11:50 amLambert-St Louis
$1,140
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 November 6, 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 - VCP

STLVCP

Lambert-St Louis

Mon 3/2

11:19 am-10:45 am

2 stops20h 26m

Sao Paulo Viracopos

Wed 3/4

5:55 pm-10:27 am

2 stops43h 32m

$804

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Mon 3/30

5:03 pm-9:40 pm

2 stops26h 37m

Sao Paulo Congonhas

Wed 4/1

6:00 am-11:37 pm

2 stops19h 37m

$837

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

$1,019

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 12/25

11:51 am-1:25 pm

3 stops22h 34m

Sao Paulo Guarulhos Intl

Mon 12/29

7:00 am-10:56 am

3 stops30h 56m

$1,089

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 12/25

11:51 am-1:25 pm

3 stops22h 34m

Sao Paulo Guarulhos Intl

Sun 12/28

2:40 am-10:56 am

3 stops35h 16m

$1,096

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

1:22 pm-8:00 pm

2 stops27h 38m

Sao Paulo Guarulhos Intl

Wed 12/31

7:35 am-11:38 pm

2 stops19h 03m

$1,105

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

9:30 pm-3:29 pm

1 stop20h 59m

$1,109

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

9:47 am-9:35 am

1 stop20h 48m

Sao Paulo Guarulhos Intl

Wed 12/31

7:35 am-11:38 pm

2 stops19h 03m

$1,125

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

1:22 pm-5:40 am

1 stop13h 18m

Sao Paulo Guarulhos Intl

Wed 12/31

2:20 pm-8:58 am

2 stops21h 38m

$1,215

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/10

4:32 pm-9:55 am

1 stop14h 23m

Sao Paulo Guarulhos Intl

Fri 1/16

4:30 pm-8:53 am

2 stops19h 23m

$1,280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between St. Louis and Sao Paulo?

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 39% 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

Direct flights

None
There are no direct flights from St. Louis to Sao Paulo. There are no popular flight routes from St. Louis to Sao Paulo.
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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 13h 07m, 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
1,874 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,410 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
DeltaPriceFrom $858Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
9,003 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