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Cheap flights from St. Louis to Sao Paulo from $366

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 4/21. 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
0 bags

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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
11:48 am - 1:10 pm
STL
-
GRU
23h 22m
2 stops
GOL Logo
6:00 am - 11:59 pm
GRU
-
STL
19h 59m
2 stops
$823GOL
Mon, Aug 17 - Mon, Aug 24
GOL Logo
11:04 am - 7:55 am
STL
-
GRU
18h 51m
2 stops
GOL Logo
8:55 am - 10:45 pm
GRU
-
STL
15h 50m
2 stops
$841GOL
Tue, Jul 7 - Tue, Aug 4
GOL Logo
11:04 am - 7:55 am
STL
-
GRU
18h 51m
2 stops
GOL Logo
8:55 am - 10:45 pm
GRU
-
STL
15h 50m
2 stops
$842GOL
Tue, Jul 7 - Tue, Aug 4
Multiple Airlines Logo
4:59 pm - 4:05 pm
STL
-
GRU
21h 06m
2 stops
Multiple Airlines Logo
11:40 am - 11:19 pm
GRU
-
STL
13h 39m
1 stop
$844Multiple Airlines
Wed, Apr 8 - Wed, Apr 22
Multiple Airlines Logo
4:59 pm - 5:40 am
STL
-
GRU
34h 41m
2 stops
Multiple Airlines Logo
11:40 am - 11:19 pm
GRU
-
STL
13h 39m
1 stop
$846Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
GOL Logo
11:04 am - 7:55 am
STL
-
GRU
18h 51m
2 stops
GOL Logo
8:55 am - 10:58 am
GRU
-
STL
28h 03m
2 stops
$877GOL
Tue, Jul 7 - Wed, Aug 5
GOL Logo
11:04 am - 7:55 am
STL
-
GRU
18h 51m
2 stops
GOL Logo
8:55 am - 10:45 pm
GRU
-
STL
15h 50m
2 stops
$889GOL
Tue, Jul 28 - Tue, Aug 4
GOL Logo
11:04 am - 7:55 am
STL
-
GRU
18h 51m
2 stops
GOL Logo
8:55 am - 10:45 pm
GRU
-
STL
15h 50m
2 stops
$907GOL
Thu, Jul 9 - Tue, Aug 4
GOL Logo
11:04 am - 7:55 am
STL
-
GRU
18h 51m
2 stops
GOL Logo
8:55 am - 10:45 pm
GRU
-
STL
15h 50m
2 stops
$908GOL
Thu, Jul 9 - Tue, Aug 4
GOL Logo
11:12 am - 11:05 pm
STL
-
GRU
33h 53m
2 stops
GOL Logo
8:40 am - 10:32 am
GRU
-
STL
27h 52m
2 stops
$931GOL
Mon, Jun 22 - Sat, Jun 27

Air Canada flights from St. Louis to Sao Paulo

Our best Air Canada deals on St. Louis to Sao Paulo flight tickets
Air Canada
Apr 18
STL4:05 pmLambert-St Louis
39h 45m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
Apr 25
GRU9:00 pmSao Paulo Guarulhos Intl
44h 25m
2 stops
STL3:25 pmLambert-St Louis
$1,008
Air Canada
Mar 10
STL4:05 pmLambert-St Louis
16h 30m
1 stop
GRU10:35 amSao Paulo Guarulhos Intl
Mar 12
GRU9:30 pmSao Paulo Guarulhos Intl
19h 59m
1 stop
STL3:29 pmLambert-St Louis
$1,334
Air Canada
Mar 20
STL7:00 pmLambert-St Louis
37h 35m
2 stops
GRU10:35 amSao Paulo Guarulhos Intl
Apr 6
GRU9:45 pmSao Paulo Guarulhos Intl
26h 07m
2 stops
STL9:52 pmLambert-St Louis
$4,224

United Airlines flights from St. Louis to Sao Paulo

Our best United Airlines deals on St. Louis to Sao Paulo flight tickets
United Airlines
Jul 30
STL10:20 amLambert-St Louis
21h 10m
2 stops
GRU9:30 amSao Paulo Guarulhos Intl
Aug 6
GRU10:20 pmSao Paulo Guarulhos Intl
19h 26m
1 stop
STL3:46 pmLambert-St Louis
$1,087
United Airlines
Jul 7
STL5:41 pmLambert-St Louis
13h 49m
1 stop
GRU9:30 amSao Paulo Guarulhos Intl
Aug 4
GRU9:50 pmSao Paulo Guarulhos Intl
21h 52m
1 stop
STL5:42 pmLambert-St Louis
$1,113
United Airlines
Jul 6
STL1:13 pmLambert-St Louis
18h 17m
1 stop
GRU9:30 amSao Paulo Guarulhos Intl
Aug 6
GRU9:30 pmSao Paulo Guarulhos Intl
16h 41m
2 stops
STL12:11 pmLambert-St Louis
$1,117

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 March 7, 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 - GRU

STLGRU

Lambert-St Louis

Mon 8/17

11:48 am-1:10 pm

2 stops23h 22m

Sao Paulo Guarulhos Intl

Mon 8/24

6:00 am-11:59 pm

2 stops19h 59m

$823
Quickest round-trip

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 7/7

11:04 am-7:55 am

2 stops18h 51m

Sao Paulo Guarulhos Intl

Tue 8/4

8:55 am-10:45 pm

2 stops15h 50m

$841

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 7/7

11:04 am-7:55 am

2 stops18h 51m

Sao Paulo Guarulhos Intl

Tue 8/4

8:55 am-10:45 pm

2 stops15h 50m

$842

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 4/8

4:59 pm-4:05 pm

2 stops21h 06m

Sao Paulo Guarulhos Intl

Wed 4/22

11:40 am-11:19 pm

1 stop13h 39m

$844

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 4/16

4:59 pm-5:40 am

2 stops34h 41m

Sao Paulo Guarulhos Intl

Thu 4/23

11:40 am-11:19 pm

1 stop13h 39m

$846

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 7/7

11:04 am-7:55 am

2 stops18h 51m

Sao Paulo Guarulhos Intl

Wed 8/5

8:55 am-10:58 am

2 stops28h 03m

$877

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 7/28

11:04 am-7:55 am

2 stops18h 51m

Sao Paulo Guarulhos Intl

Tue 8/4

8:55 am-10:45 pm

2 stops15h 50m

$889

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 7/9

11:04 am-7:55 am

2 stops18h 51m

Sao Paulo Guarulhos Intl

Tue 8/4

8:55 am-10:45 pm

2 stops15h 50m

$907

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 7/9

11:04 am-7:55 am

2 stops18h 51m

Sao Paulo Guarulhos Intl

Tue 8/4

8:55 am-10:45 pm

2 stops15h 50m

$908

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 6/22

11:12 am-11:05 pm

2 stops33h 53m

Sao Paulo Guarulhos Intl

Sat 6/27

8:40 am-10:32 am

2 stops27h 52m

$931

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

Fastest flight time

16h 03m

Direct flights

None
The fastest flight from St. Louis to Sao Paulo takes 16h 03m
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

  • 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 16h 03m, 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
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,785 reviews
Search Air Canada flights
LATAM AirlinesPriceFrom $973Free CancellationRating
7.4
1,917 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,064Free CancellationRating
7.1
11,396 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