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Cheap flights from St. Louis to Sao Paulo from $319

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 11/1. 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
11:30 am - 10:45 amSTL-VCP
20h 15m2 stops
GOL Logo
5:55 pm - 10:29 amVCP-STL
43h 34m2 stops
$803GOL
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Mon, Mar 2 - Wed, Mar 4
GOL Logo
11:30 am - 10:45 amSTL-VCP
20h 15m2 stops
GOL Logo
5:55 pm - 10:29 amVCP-STL
43h 34m2 stops
$804GOL
Find Deal
Mon, Mar 2 - Wed, Mar 4
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
$838Air Canada
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Wed, Nov 12 - Wed, Nov 19
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
$839Air Canada
Find Deal
Wed, Nov 12 - Wed, Nov 19
GOL Logo
10:00 am - 11:00 amSTL-CGH
22h 00m2 stops
GOL Logo
6:35 am - 11:59 pmCGH-STL
20h 24m2 stops
$878GOL
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Wed, Jan 28 - Sat, Jan 31
Multiple Airlines Logo
5:11 pm - 10:45 amSTL-VCP
38h 34m2 stops
Multiple Airlines Logo
11:20 pm - 11:01 amVCP-STL
14h 41m1 stop
$954Multiple Airlines
Find Deal
Wed, Jan 28 - Sat, Jan 31
Multiple Airlines Logo
3:30 pm - 8:05 amSTL-GRU
14h 35m1 stop
Multiple Airlines Logo
6:00 am - 7:13 amGRU-STL
27h 13m2 stops
$966Multiple Airlines
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Sun, Apr 5 - Sun, Apr 12
LATAM Airlines Logo
9:47 am - 5:40 amSTL-GRU
16h 53m1 stop
LATAM Airlines Logo
8:15 am - 8:58 amGRU-STL
27h 43m2 stops
$1,082LATAM Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
LATAM Airlines Logo
5:13 pm - 8:00 pmSTL-GRU
23h 47m2 stops
LATAM Airlines Logo
8:15 am - 8:58 amGRU-STL
27h 43m2 stops
$1,087LATAM Airlines
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Wed, Dec 24 - Wed, Dec 31
Delta Logo
9:47 am - 5:40 amSTL-GRU
16h 53m1 stop
Delta Logo
4:30 pm - 9:04 amGRU-STL
19h 34m2 stops
$1,090Delta
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Thu, Jan 1 - Thu, Jan 15

United Airlines flights from St. Louis to Sao Paulo

Our best United Airlines deals on St. Louis to Sao Paulo flight tickets
United Airlines
Jan 1
STL9:55 amLambert-St Louis
21h 25m
2 stops
GRU10:20 amSao Paulo Guarulhos Intl
Jan 15
GRU10:25 pmSao Paulo Guarulhos Intl
22h 18m
2 stops
STL5:43 pmLambert-St Louis
$1,186
Find similar
United Airlines
Dec 6
STL8:30 amLambert-St Louis
22h 50m
1 stop
GRU10:20 amSao Paulo Guarulhos Intl
Dec 13
GRU10:25 pmSao Paulo Guarulhos Intl
14h 42m
1 stop
STL10:07 amLambert-St Louis
$1,245
Find similar
United Airlines
Dec 6
STL10:00 amLambert-St Louis
18h 10m
2 stops
GRU7:10 amSao Paulo Guarulhos Intl
Dec 13
GRU9:30 pmSao Paulo Guarulhos Intl
19h 55m
2 stops
STL2:25 pmLambert-St Louis
$1,250
Find similar

Air Canada flights from St. Louis to Sao Paulo

Our best Air Canada deals on St. Louis to Sao Paulo flight tickets
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:30 pmSao Paulo Guarulhos Intl
20h 59m
1 stop
STL3:29 pmLambert-St Louis
$838
Find similar
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:45 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL3:29 pmLambert-St Louis
$839
Find similar
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
13h 55m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:30 pmSao Paulo Guarulhos Intl
20h 59m
1 stop
STL3:29 pmLambert-St Louis
$993
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 October 23, 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

11:30 am-10:45 am

2 stops20h 15m

Sao Paulo Viracopos

Wed 3/4

5:55 pm-10:29 am

2 stops43h 34m

$803

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Mon 3/2

11:30 am-10:45 am

2 stops20h 15m

Sao Paulo Viracopos

Wed 3/4

5:55 pm-10:29 am

2 stops43h 34m

$804

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

9:30 pm-3:29 pm

1 stop20h 59m

$838

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

$839

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Wed 1/28

10:00 am-11:00 am

2 stops22h 00m

Sao Paulo Congonhas

Sat 1/31

6:35 am-11:59 pm

2 stops20h 24m

$878

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 1/28

5:11 pm-10:45 am

2 stops38h 34m

Sao Paulo Viracopos

Sat 1/31

11:20 pm-11:01 am

1 stop14h 41m

$954

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 4/5

3:30 pm-8:05 am

1 stop14h 35m

Sao Paulo Guarulhos Intl

Sun 4/12

6:00 am-7:13 am

2 stops27h 13m

$966

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

8:15 am-8:58 am

2 stops27h 43m

$1,082

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

5:13 pm-8:00 pm

2 stops23h 47m

Sao Paulo Guarulhos Intl

Wed 12/31

8:15 am-8:58 am

2 stops27h 43m

$1,087

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 1/1

9:47 am-5:40 am

1 stop16h 53m

Sao Paulo Guarulhos Intl

Thu 1/15

4:30 pm-9:04 am

2 stops19h 34m

$1,090

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 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 06m, 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
1,870 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,346 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
DeltaPriceFrom $858Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,991 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