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Cheap flights from St. Louis to Sao Paulo from $370

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Sao Paulo

Cheap round-trip flights

Enter your travel dates to find the best prices.
GOL Logo
6:07 pm - 10:30 am
STL
-
CGH
38h 23m
2 stops
GOL Logo
6:30 am - 10:32 pm
CGH
-
STL
19h 02m
2 stops
$916GOL
Sat, Oct 31 - Wed, Nov 4
Multiple Airlines Logo
10:35 am - 7:50 am
STL
-
GRU
19h 15m
2 stops
Multiple Airlines Logo
11:40 am - 7:39 pm
GRU
-
STL
33h 59m
1 stop
$925Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
10:35 am - 7:50 am
STL
-
GRU
19h 15m
2 stops
Multiple Airlines Logo
11:40 am - 7:39 pm
GRU
-
STL
33h 59m
1 stop
$937Multiple Airlines
Sat, Sep 12 - Wed, Sep 16
GOL Logo
11:35 am - 9:15 pm
STL
-
GRU
31h 40m
2 stops
GOL Logo
9:55 pm - 10:40 pm
GRU
-
STL
26h 45m
2 stops
$946GOL
Fri, Aug 7 - Mon, Aug 10
GOL Logo
6:07 pm - 9:15 pm
STL
-
GRU
49h 08m
2 stops
GOL Logo
9:55 pm - 10:32 pm
GRU
-
STL
27h 37m
2 stops
$948GOL
Sat, Oct 31 - Wed, Nov 4
LATAM Airlines Logo
6:00 am - 5:40 am
STL
-
GRU
21h 40m
1 stop
LATAM Airlines Logo
5:45 pm - 8:49 am
GRU
-
STL
17h 04m
2 stops
$959LATAM Airlines
Wed, Oct 7 - Tue, Oct 13
LATAM Airlines Logo
6:00 am - 5:05 am
STL
-
GRU
21h 05m
2 stops
LATAM Airlines Logo
5:45 pm - 8:49 am
GRU
-
STL
17h 04m
2 stops
$964LATAM Airlines
Wed, Oct 7 - Tue, Oct 13
Air Canada Logo
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 6:41 pm
GRU
-
STL
23h 41m
1 stop
$967Air Canada
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
4:05 pm - 9:00 am
STL
-
GRU
37h 55m
2 stops
Air Canada Logo
9:30 pm - 3:26 pm
GRU
-
STL
20h 56m
1 stop
$971Air Canada
Thu, Nov 5 - Sun, Nov 8
Air Canada Logo
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 8:00 pm
GRU
-
STL
25h 00m
2 stops
$975Air Canada
Wed, Sep 23 - Wed, Sep 30

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GOL flights from St. Louis to Sao Paulo

Our best GOL deals on St. Louis to Sao Paulo flight tickets
GOL
Oct 31
STL6:07 pmLambert-St Louis
38h 23m
2 stops
CGH10:30 amSao Paulo Congonhas
Nov 4
CGH6:30 amSao Paulo Congonhas
19h 02m
2 stops
STL10:32 pmLambert-St Louis
$916
GOL
Aug 7
STL11:35 amLambert-St Louis
31h 40m
2 stops
GRU9:15 pmSao Paulo Guarulhos Intl
Aug 10
GRU9:55 pmSao Paulo Guarulhos Intl
26h 45m
2 stops
STL10:40 pmLambert-St Louis
$946
GOL
Oct 31
STL6:07 pmLambert-St Louis
49h 08m
2 stops
GRU9:15 pmSao Paulo Guarulhos Intl
Nov 4
GRU9:55 pmSao Paulo Guarulhos Intl
27h 37m
2 stops
STL10:32 pmLambert-St Louis
$948

LATAM Airlines flights from St. Louis to Sao Paulo

Our best LATAM Airlines deals on St. Louis to Sao Paulo flight tickets
LATAM Airlines
Oct 7
STL6:00 amLambert-St Louis
21h 40m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Oct 13
GRU5:45 pmSao Paulo Guarulhos Intl
17h 04m
2 stops
STL8:49 amLambert-St Louis
$959
LATAM Airlines
Oct 7
STL6:00 amLambert-St Louis
21h 05m
2 stops
GRU5:05 amSao Paulo Guarulhos Intl
Oct 13
GRU5:45 pmSao Paulo Guarulhos Intl
17h 04m
2 stops
STL8:49 amLambert-St Louis
$964
LATAM Airlines
Sep 9
STL5:46 pmLambert-St Louis
48h 34m
2 stops
GRU8:20 pmSao Paulo Guarulhos Intl
Sep 16
GRU8:45 pmSao Paulo Guarulhos Intl
38h 15m
2 stops
STL9:00 amLambert-St Louis
$991

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 July 10, 2026.
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

Cheapest round-trip

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sat 10/31

6:07 pm-10:30 am

2 stops38h 23m

Sao Paulo Congonhas

Wed 11/4

6:30 am-10:32 pm

2 stops19h 02m

$916

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/9

10:35 am-7:50 am

2 stops19h 15m

Sao Paulo Guarulhos Intl

Wed 9/16

11:40 am-7:39 pm

1 stop33h 59m

$925

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 9/12

10:35 am-7:50 am

2 stops19h 15m

Sao Paulo Guarulhos Intl

Wed 9/16

11:40 am-7:39 pm

1 stop33h 59m

$937

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Fri 8/7

11:35 am-9:15 pm

2 stops31h 40m

Sao Paulo Guarulhos Intl

Mon 8/10

9:55 pm-10:40 pm

2 stops26h 45m

$946

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 10/31

6:07 pm-9:15 pm

2 stops49h 08m

Sao Paulo Guarulhos Intl

Wed 11/4

9:55 pm-10:32 pm

2 stops27h 37m

$948

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/7

6:00 am-5:40 am

1 stop21h 40m

Sao Paulo Guarulhos Intl

Tue 10/13

5:45 pm-8:49 am

2 stops17h 04m

$959
Quickest round-trip

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/7

6:00 am-5:05 am

2 stops21h 05m

Sao Paulo Guarulhos Intl

Tue 10/13

5:45 pm-8:49 am

2 stops17h 04m

$964

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/23

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-6:41 pm

1 stop23h 41m

$967

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 11/5

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Sun 11/8

9:30 pm-3:26 pm

1 stop20h 56m

$971

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/23

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-8:00 pm

2 stops25h 00m

$975

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 July. Flight prices, which tend to average around $426, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in July, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $763.

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

You could potentially save up to 27% 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

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from St. Louis to Sao Paulo takes 15h 15m
There are no direct flights from St. Louis to Sao Paulo. There are no popular flight routes from St. Louis to Sao Paulo.
Search flight deals

Frequently asked questions about flying from St. Louis to Sao Paulo

  • 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 15h 15m, 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
American AirlinesPriceFrom $1,164Free CancellationRating
7.1
11,802 reviews
Search American 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