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Cheap flights from St. Louis to Sao Paulo from $255

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 10/5. 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.
Air Canada Logo
4:05 pm - 10:35 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
15h 30m1 stop Toronto Pearson Intl
Air Canada Logo
9:30 pm - 3:26 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
20h 56m1 stop Toronto Pearson Intl
$905Air Canada
Sun, Nov 8 - Wed, Nov 11
Air Canada Logo
4:05 pm - 10:35 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
15h 30m1 stop Toronto Pearson Intl
Air Canada Logo
9:45 pm - 3:26 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
20h 41m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$908Air Canada
Sun, Nov 8 - Wed, Nov 11
Air Canada Logo
4:05 pm - 10:35 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
15h 30m1 stop Toronto Pearson Intl
Air Canada Logo
9:30 pm - 3:26 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
20h 56m1 stop Toronto Pearson Intl
$961Air Canada
Sun, Nov 22 - Fri, Nov 27
Multiple Airlines Logo
10:35 am - 5:55 pmSTL  Lambert-St Louis-VCP Sao Paulo Viracopos
29h 20m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
9:55 am - 7:39 pmVCP  Sao Paulo Viracopos-STL Lambert-St Louis
35h 44m1 stop Orlando
$962Multiple Airlines
Fri, Oct 9 - Fri, Oct 16
American Airlines Logo
12:58 pm - 8:30 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
16h 32m1 stop Dallas/Fort Worth
American Airlines Logo
10:45 pm - 12:32 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
16h 47m1 stop Dallas/Fort Worth
$1,214American Airlines
Thu, Nov 26 - Wed, Jan 20
United Airlines Logo
5:36 pm - 9:40 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
14h 04m1 stop Chicago O'Hare Intl
United Airlines Logo
10:20 pm - 2:17 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
17h 57m1 stop Chicago O'Hare Intl
$1,214United Airlines
Mon, Oct 5 - Tue, Oct 13
American Airlines Logo
12:47 pm - 5:55 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
15h 08m2 stops Dallas/Fort Worth Miami
American Airlines Logo
9:25 pm - 12:35 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
17h 10m2 stops Miami Washington, D.C. Reagan-National
$1,218American Airlines
Tue, Oct 6 - Tue, Oct 13
American Airlines Logo
1:20 pm - 7:15 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
15h 55m2 stops Washington, D.C. Reagan-National New York John F Kennedy Intl
American Airlines Logo
11:15 pm - 2:46 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
17h 31m2 stops Miami Charlotte Douglas
$1,218American Airlines
Thu, Oct 8 - Mon, Oct 19
United Airlines Logo
1:29 pm - 9:35 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
18h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
9:50 pm - 2:10 pmGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
18h 20m1 stop Houston George Bush Intcntl
$1,281United Airlines
Fri, Oct 9 - Sat, Oct 17
United Airlines Logo
3:12 pm - 6:30 amSTL  Lambert-St Louis-GRU Sao Paulo Guarulhos Intl
13h 18m1 stop Houston George Bush Intcntl
United Airlines Logo
10:20 pm - 10:48 amGRU  Sao Paulo Guarulhos Intl-STL Lambert-St Louis
14h 28m1 stop Chicago O'Hare Intl
$1,282United Airlines
Fri, Oct 9 - Sat, Oct 17

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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
Sep 10
STL2:11 pmLambert-St Louis
27h 39m
2 stops
GRU7:50 pmSao Paulo Guarulhos Intl
Sep 25
GRU9:55 pmSao Paulo Guarulhos Intl
41h 26m
2 stops
STL1:21 pmLambert-St Louis
$1,092
GOL
Sep 10
STL2:11 pmLambert-St Louis
27h 39m
2 stops
GRU7:50 pmSao Paulo Guarulhos Intl
Sep 26
GRU8:40 amSao Paulo Guarulhos Intl
41h 19m
2 stops
STL11:59 pmLambert-St Louis
$1,141
GOL
Oct 9
STL6:07 pmLambert-St Louis
34h 48m
2 stops
GRU6:55 amSao Paulo Guarulhos Intl
Oct 18
GRU6:00 amSao Paulo Guarulhos Intl
37h 27m
2 stops
STL5:27 pmLambert-St Louis
$1,153

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 8
STL4:05 pmLambert-St Louis
15h 30m
1 stop
GRU10:35 amSao Paulo Guarulhos Intl
Nov 11
GRU9:30 pmSao Paulo Guarulhos Intl
20h 56m
1 stop
STL3:26 pmLambert-St Louis
$905
Air Canada
Nov 8
STL4:05 pmLambert-St Louis
15h 30m
1 stop
GRU10:35 amSao Paulo Guarulhos Intl
Nov 11
GRU9:45 pmSao Paulo Guarulhos Intl
20h 41m
2 stops
STL3:26 pmLambert-St Louis
$908
Air Canada
Oct 4
STL12:10 pmLambert-St Louis
19h 40m
1 stop
GRU9:50 amSao Paulo Guarulhos Intl
Oct 14
GRU9:00 pmSao Paulo Guarulhos Intl
23h 41m
1 stop
STL6:41 pmLambert-St Louis
$1,051

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 August 12, 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 Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sun 11/8

4:05 pm-10:35 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Wed 11/11

9:30 pm-3:26 pm

1 stop20h 56m

$905

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sun 11/8

4:05 pm-10:35 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Wed 11/11

9:45 pm-3:26 pm

2 stops20h 41m

$908

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sun 11/22

4:05 pm-10:35 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Fri 11/27

9:30 pm-3:26 pm

1 stop20h 56m

$961

St. LouisSao Paulo

STL Lambert-St Louis - VCP Sao Paulo Viracopos

STLVCP

Lambert-St Louis

Fri 10/9

10:35 am-5:55 pm

2 stops29h 20m

Sao Paulo Viracopos

Fri 10/16

9:55 am-7:39 pm

1 stop35h 44m

$962

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 11/26

12:58 pm-8:30 am

1 stop16h 32m

Sao Paulo Guarulhos Intl

Wed 1/20

10:45 pm-12:32 pm

1 stop16h 47m

$1,214

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 10/5

5:36 pm-9:40 am

1 stop14h 04m

Sao Paulo Guarulhos Intl

Tue 10/13

10:20 pm-2:17 pm

1 stop17h 57m

$1,214

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Tue 10/6

12:47 pm-5:55 am

2 stops15h 08m

Sao Paulo Guarulhos Intl

Tue 10/13

9:25 pm-12:35 pm

2 stops17h 10m

$1,218

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 10/8

1:20 pm-7:15 am

2 stops15h 55m

Sao Paulo Guarulhos Intl

Mon 10/19

11:15 pm-2:46 pm

2 stops17h 31m

$1,218

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Fri 10/9

1:29 pm-9:35 am

1 stop18h 06m

Sao Paulo Guarulhos Intl

Sat 10/17

9:50 pm-2:10 pm

1 stop18h 20m

$1,281
Quickest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Fri 10/9

3:12 pm-6:30 am

1 stop13h 18m

Sao Paulo Guarulhos Intl

Sat 10/17

10:20 pm-10:48 am

1 stop14h 28m

$1,282

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 September. Flight prices, which tend to average around $832, are often lower during this time because this is during the off-season. If you don’t want to visit Sao Paulo in September, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $1,120.

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

You could potentially save up to 34% 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

13h 15m

Direct flights

None
The fastest flight from St. Louis to Sao Paulo takes 13h 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 13h 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
United AirlinesPriceFrom $1,179Free CancellationRating
7.4
10,103 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,188Free CancellationRating
7.1
11,902 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