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Cheap flights from St. Louis to Sao Paulo from $326

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 3/20. 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.
GOL Logo
11:06 am - 7:55 pm
STL
-
GRU
30h 49m
2 stops
GOL Logo
9:55 pm - 10:24 pm
GRU
-
STL
26h 29m
2 stops
$760GOL
Mon, Apr 13 - Thu, May 14
Multiple Airlines Logo
8:41 am - 4:50 am
STL
-
GRU
18h 09m
1 stop
Multiple Airlines Logo
1:20 am - 11:19 pm
GRU
-
STL
23h 59m
2 stops
$761Multiple Airlines
Mon, Apr 13 - Tue, May 12
GOL Logo
11:06 am - 11:00 pm
STL
-
GRU
33h 54m
2 stops
GOL Logo
6:00 am - 10:24 pm
GRU
-
STL
18h 24m
2 stops
$770GOL
Mon, Apr 13 - Tue, May 12
Multiple Airlines Logo
3:49 pm - 8:50 am
STL
-
GRU
14h 01m
1 stop
Multiple Airlines Logo
5:25 pm - 11:19 pm
GRU
-
STL
31h 54m
2 stops
$788Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
4:51 pm - 7:50 am
STL
-
GRU
12h 59m
1 stop
Multiple Airlines Logo
4:25 am - 10:31 am
GRU
-
STL
32h 06m
2 stops
$790Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
GOL Logo
11:06 am - 1:15 pm
STL
-
GRU
24h 09m
2 stops
GOL Logo
6:00 am - 10:24 pm
GRU
-
STL
18h 24m
2 stops
$798GOL
Wed, Apr 15 - Tue, May 12
GOL Logo
11:06 am - 10:30 am
STL
-
CGH
21h 24m
2 stops
GOL Logo
6:30 am - 10:24 pm
CGH
-
STL
17h 54m
2 stops
$810GOL
Mon, Apr 13 - Tue, May 12
Multiple Airlines Logo
8:41 am - 4:50 am
STL
-
GRU
18h 09m
1 stop
Multiple Airlines Logo
11:10 am - 11:19 pm
GRU
-
STL
38h 09m
2 stops
$816Multiple Airlines
Mon, Apr 13 - Mon, May 11
Multiple Airlines Logo
8:41 am - 4:50 am
STL
-
GRU
18h 09m
1 stop
Multiple Airlines Logo
1:20 am - 11:19 pm
GRU
-
STL
23h 59m
2 stops
$821Multiple Airlines
Mon, Apr 13 - Mon, May 11
GOL Logo
11:06 am - 10:45 pm
STL
-
GRU
33h 39m
2 stops
GOL Logo
8:40 am - 10:24 pm
GRU
-
STL
39h 44m
2 stops
$834GOL
Fri, May 8 - Sat, May 16

GOL flights from St. Louis to Sao Paulo

Our best GOL deals on St. Louis to Sao Paulo flight tickets
GOL
Apr 13
STL11:06 amLambert-St Louis
30h 49m
2 stops
GRU7:55 pmSao Paulo Guarulhos Intl
May 14
GRU9:55 pmSao Paulo Guarulhos Intl
26h 29m
2 stops
STL10:24 pmLambert-St Louis
$760
GOL
Apr 13
STL11:06 amLambert-St Louis
33h 54m
2 stops
GRU11:00 pmSao Paulo Guarulhos Intl
May 12
GRU6:00 amSao Paulo Guarulhos Intl
18h 24m
2 stops
STL10:24 pmLambert-St Louis
$770
GOL
Apr 15
STL11:06 amLambert-St Louis
24h 09m
2 stops
GRU1:15 pmSao Paulo Guarulhos Intl
May 12
GRU6:00 amSao Paulo Guarulhos Intl
18h 24m
2 stops
STL10:24 pmLambert-St Louis
$798

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 14
STL4:05 pmLambert-St Louis
15h 10m
1 stop
GRU9:15 amSao Paulo Guarulhos Intl
May 13
GRU9:00 pmSao Paulo Guarulhos Intl
25h 05m
1 stop
STL8:05 pmLambert-St Louis
$850
Air Canada
Apr 14
STL4:05 pmLambert-St Louis
39h 45m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
May 13
GRU9:00 pmSao Paulo Guarulhos Intl
25h 05m
1 stop
STL8:05 pmLambert-St Louis
$853
Air Canada
Apr 13
STL4:05 pmLambert-St Louis
15h 10m
1 stop
GRU9:15 amSao Paulo Guarulhos Intl
May 14
GRU9:00 pmSao Paulo Guarulhos Intl
25h 05m
1 stop
STL8:05 pmLambert-St Louis
$855

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 February 3, 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

Mon 4/13

11:06 am-7:55 pm

2 stops30h 49m

Sao Paulo Guarulhos Intl

Thu 5/14

9:55 pm-10:24 pm

2 stops26h 29m

$760

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

8:41 am-4:50 am

1 stop18h 09m

Sao Paulo Guarulhos Intl

Tue 5/12

1:20 am-11:19 pm

2 stops23h 59m

$761

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

11:06 am-11:00 pm

2 stops33h 54m

Sao Paulo Guarulhos Intl

Tue 5/12

6:00 am-10:24 pm

2 stops18h 24m

$770

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 3/3

3:49 pm-8:50 am

1 stop14h 01m

Sao Paulo Guarulhos Intl

Tue 3/10

5:25 pm-11:19 pm

2 stops31h 54m

$788

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 3/18

4:51 pm-7:50 am

1 stop12h 59m

Sao Paulo Guarulhos Intl

Wed 3/25

4:25 am-10:31 am

2 stops32h 06m

$790

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 4/15

11:06 am-1:15 pm

2 stops24h 09m

Sao Paulo Guarulhos Intl

Tue 5/12

6:00 am-10:24 pm

2 stops18h 24m

$798

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Mon 4/13

11:06 am-10:30 am

2 stops21h 24m

Sao Paulo Congonhas

Tue 5/12

6:30 am-10:24 pm

2 stops17h 54m

$810

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

8:41 am-4:50 am

1 stop18h 09m

Sao Paulo Guarulhos Intl

Mon 5/11

11:10 am-11:19 pm

2 stops38h 09m

$816

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

8:41 am-4:50 am

1 stop18h 09m

Sao Paulo Guarulhos Intl

Mon 5/11

1:20 am-11:19 pm

2 stops23h 59m

$821

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Fri 5/8

11:06 am-10:45 pm

2 stops33h 39m

Sao Paulo Guarulhos Intl

Sat 5/16

8:40 am-10:24 pm

2 stops39h 44m

$834

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 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

18h 51m

Direct flights

None
The fastest flight from St. Louis to Sao Paulo takes 18h 51m
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 18h 51m, 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
10,676 reviews
Search Air Canada flights
LATAM AirlinesPriceFrom $1,044Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,064Free CancellationRating
7.2
11,215 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