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Cheap flights from St. Louis to Sao Paulo from $605

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 2/3. 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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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.
Multiple Airlines Logo
3:49 pm - 5:40 am
STL
-
GRU
34h 51m
2 stops
Multiple Airlines Logo
10:20 am - 11:19 pm
GRU
-
STL
14h 59m
1 stop
$702Multiple Airlines
Wed, Mar 4 - Wed, Mar 18
GOL Logo
11:22 am - 8:55 pm
STL
-
GRU
31h 33m
2 stops
GOL Logo
9:40 pm - 11:58 pm
GRU
-
STL
28h 18m
2 stops
$706GOL
Wed, Mar 11 - Wed, Mar 25
GOL Logo
11:22 am - 8:55 pm
STL
-
CGH
31h 33m
2 stops
GOL Logo
7:55 pm - 11:58 pm
CGH
-
STL
30h 03m
2 stops
$711GOL
Wed, Mar 11 - Wed, Mar 25
Multiple Airlines Logo
3:49 pm - 5:40 am
STL
-
GRU
34h 51m
2 stops
Multiple Airlines Logo
12:55 pm - 11:59 pm
GRU
-
STL
14h 04m
1 stop
$713Multiple Airlines
Sun, Mar 1 - Thu, Mar 5
GOL Logo
11:22 am - 10:45 am
STL
-
VCP
21h 23m
2 stops
GOL Logo
5:55 pm - 11:58 pm
VCP
-
STL
32h 03m
2 stops
$726GOL
Wed, Mar 11 - Wed, Mar 25
GOL Logo
6:20 pm - 10:45 am
STL
-
VCP
37h 25m
2 stops
GOL Logo
5:55 pm - 10:32 am
VCP
-
STL
42h 37m
2 stops
$775GOL
Wed, Mar 4 - Wed, Mar 18
GOL Logo
6:20 pm - 1:25 pm
STL
-
GRU
40h 05m
2 stops
GOL Logo
10:50 pm - 10:32 am
GRU
-
STL
37h 42m
2 stops
$781GOL
Wed, Mar 4 - Wed, Mar 18
GOL Logo
11:22 am - 7:15 am
STL
-
GRU
16h 53m
2 stops
GOL Logo
9:00 am - 11:56 pm
GRU
-
STL
41h 56m
2 stops
$782GOL
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
11:32 am - 7:20 pm
STL
-
VCP
29h 48m
2 stops
Multiple Airlines Logo
10:10 am - 7:17 am
VCP
-
STL
23h 07m
1 stop
$783Multiple Airlines
Wed, Mar 11 - Wed, Mar 25
Multiple Airlines Logo
3:49 pm - 8:50 am
STL
-
GRU
14h 01m
1 stop
Multiple Airlines Logo
10:20 am - 11:19 pm
GRU
-
STL
14h 59m
1 stop
$814Multiple Airlines
Wed, Mar 4 - Wed, Mar 18

LATAM Airlines flights from St. Louis to Sao Paulo

Our best LATAM Airlines deals on St. Louis to Sao Paulo flight tickets
LATAM Airlines
Jul 7
STL11:51 amLambert-St Louis
15h 39m
2 stops
GRU5:30 amSao Paulo Guarulhos Intl
Aug 2
GRU3:40 amSao Paulo Guarulhos Intl
21h 57m
2 stops
STL11:37 pmLambert-St Louis
$1,054
LATAM Airlines
Jul 10
STL9:00 amLambert-St Louis
18h 30m
2 stops
GRU5:30 amSao Paulo Guarulhos Intl
Aug 5
GRU10:50 pmSao Paulo Guarulhos Intl
13h 51m
1 stop
STL10:41 amLambert-St Louis
$1,094
LATAM Airlines
Jul 5
STL1:30 pmLambert-St Louis
16h 20m
2 stops
GRU7:50 amSao Paulo Guarulhos Intl
Aug 6
GRU10:15 amSao Paulo Guarulhos Intl
15h 22m
2 stops
STL11:37 pmLambert-St Louis
$1,099

Delta flights from St. Louis to Sao Paulo

Our best Delta deals on St. Louis to Sao Paulo flight tickets
Delta
Jul 9
STL11:51 amLambert-St Louis
17h 59m
2 stops
GRU7:50 amSao Paulo Guarulhos Intl
Aug 5
GRU11:00 pmSao Paulo Guarulhos Intl
15h 53m
2 stops
STL12:53 pmLambert-St Louis
$1,067
Delta
Jul 10
STL11:51 amLambert-St Louis
15h 09m
2 stops
GRU5:00 amSao Paulo Guarulhos Intl
Aug 6
GRU10:50 pmSao Paulo Guarulhos Intl
17h 48m
1 stop
STL2:38 pmLambert-St Louis
$1,107

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 January 22, 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

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 3/4

3:49 pm-5:40 am

2 stops34h 51m

Sao Paulo Guarulhos Intl

Wed 3/18

10:20 am-11:19 pm

1 stop14h 59m

$702

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 3/11

11:22 am-8:55 pm

2 stops31h 33m

Sao Paulo Guarulhos Intl

Wed 3/25

9:40 pm-11:58 pm

2 stops28h 18m

$706

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Wed 3/11

11:22 am-8:55 pm

2 stops31h 33m

Sao Paulo Congonhas

Wed 3/25

7:55 pm-11:58 pm

2 stops30h 03m

$711

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 3/1

3:49 pm-5:40 am

2 stops34h 51m

Sao Paulo Guarulhos Intl

Thu 3/5

12:55 pm-11:59 pm

1 stop14h 04m

$713

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 3/11

11:22 am-10:45 am

2 stops21h 23m

Sao Paulo Viracopos

Wed 3/25

5:55 pm-11:58 pm

2 stops32h 03m

$726

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 3/4

6:20 pm-10:45 am

2 stops37h 25m

Sao Paulo Viracopos

Wed 3/18

5:55 pm-10:32 am

2 stops42h 37m

$775

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 3/4

6:20 pm-1:25 pm

2 stops40h 05m

Sao Paulo Guarulhos Intl

Wed 3/18

10:50 pm-10:32 am

2 stops37h 42m

$781

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 3/1

11:22 am-7:15 am

2 stops16h 53m

Sao Paulo Guarulhos Intl

Thu 3/5

9:00 am-11:56 pm

2 stops41h 56m

$782

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 3/11

11:32 am-7:20 pm

2 stops29h 48m

Sao Paulo Viracopos

Wed 3/25

10:10 am-7:17 am

1 stop23h 07m

$783

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 3/4

3:49 pm-8:50 am

1 stop14h 01m

Sao Paulo Guarulhos Intl

Wed 3/18

10:20 am-11:19 pm

1 stop14h 59m

$814

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 March to fly from St. Louis, when ticket prices are also cheap, with an average price of $918.

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

15h 09m

Direct flights

None
The fastest flight from St. Louis to Sao Paulo takes 15h 09m
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 15h 09m, 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
10,648 reviews
Search Air Canada flights
DeltaPriceFrom $858Free CancellationRating
7.9
8,088 reviews
Search Delta flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
9,192 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $973Free CancellationRating
7.5
1,913 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,164Free CancellationRating
7.2
11,177 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