How long is the flight from St. Louis to Sao Paulo?

There are many flights that can get you from St. Louis to Sao Paulo in 17h 16m. Fly via Air Canada, GOL, or American Airlines to get the fastest option. The distance from St. Louis to Sao Paulo is about 5151 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from St. Louis to Sao Paulo round-trip?

Cheapflights users have booked flights from St. Louis to Sao Paulo round-trip from $756. Other airlines that can offer you cheap pricing are Air Canada, from $758, and American Airlines, from $761. LATAM Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from St. Louis to Sao Paulo one-way?

One-way options have recently been found by users for as low as $558 on Delta. Other airlines that offer cheap prices include LATAM Airlines from $652 and Air Canada from $731 one-way.

What is the cheapest day to fly from St. Louis to Sao Paulo?

Travelers seeking maximum savings on their St. Louis to Sao Paulo flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sao Paulo ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit Sao Paulo when rainfall is around 0.8 in.

If weather is an important factor for your trip to Sao Paulo, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

What are the most popular routes from St. Louis to Sao Paulo?

While some choose either Lambert-St Louis - Sao Paulo Congonhas or Lambert-St Louis - Sao Paulo Viracopos, Lambert-St Louis - Sao Paulo Guarulhos Intl is the most popular route from St. Louis to Sao Paulo.

What are the most popular airlines that fly from St. Louis to Sao Paulo?

Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Sao Paulo.

Most accurate provider : When it comes to deals on St. Louis-Sao Paulo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Sao Paulo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Sao Paulo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Sao Paulo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from St. Louis to Sao Paulo?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Sao Paulo. You should not have trouble finding flights to Sao Paulo from Lambert-St Louis; the airport handles an average of 0 outbound flights to Sao Paulo per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the St. Louis airport to Sao Paulo. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

Can I find deals for flights from St. Louis to Sao Paulo that include hotel bookings?

Yes. In addition to deals on St. Louis to Sao Paulo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Sao Paulo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Sao Paulo.

Can I find deals for business class flights from St. Louis to Sao Paulo?

Yes. Cheapflights offers flight deals from St. Louis to Sao Paulo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$461+ Flights from St. Louis to Sao Paulo, Brazil

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Cheap flight deals from St. Louis to Sao Paulo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$644 (Mytrip)
One-way from	$461 (Mytrip)
Popular in	June
Cheapest in	April
Average price	$1,118

Provider with most accurate pricing for Lambert-St Louis-Sao Paulo (SAO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Sao Paulo (SAO) flights.

Search Deals

From Lambert-St Louis to Sao Paulo (SAO)

Search Deals

One-way flight from Lambert-St Louis to Sao Paulo (SAO)

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($38 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from St. Louis to Sao Paulo

Cheapest flights from St. Louis to Sao Paulo
Explore the most affordable flight options available from St. Louis to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

Sat 11/17:15 pmSTL - VCP

1 stop22h 05mMultiple Airlines

Sat 11/1511:20 pmVCP - STL

1 stop20h 56mMultiple Airlines

Deal found 10/2

$644

Sat 11/154:05 pmSTL - GRU

2 stops37h 55mAir Canada

Sat 11/229:45 pmGRU - STL

2 stops20h 44mAir Canada

Deal found 10/1

$763

Wed 11/124:05 pmSTL - GRU

2 stops37h 55mAir Canada

Wed 11/199:45 pmGRU - STL

2 stops20h 44mAir Canada

Deal found 10/2

$764

Thu 11/206:15 amSTL - GRU

2 stops17h 25mMultiple Airlines

Mon 12/112:55 pmGRU - STL

1 stop14h 02mMultiple Airlines

Deal found 10/1

$871

Sat 11/14:05 pmSTL - GRU

2 stops38h 55mMultiple Airlines

Sat 11/155:25 pmGRU - STL

2 stops26h 51mMultiple Airlines

Deal found 10/2

$976

Wed 10/89:15 amSTL - GRU

1 stop22h 00mAir Canada

Thu 10/169:00 pmGRU - STL

2 stops44h 18mAir Canada

Deal found 10/2

$999

Sat 11/154:05 pmSTL - GRU

2 stops37h 55mMultiple Airlines

Sat 11/227:30 amGRU - STL

3 stops34h 59mMultiple Airlines

Deal found 9/30

$1,064

Sat 11/1510:17 amSTL - VCP

2 stops21h 28mMultiple Airlines

Sat 11/2211:20 pmVCP - STL

1 stop13h 43mMultiple Airlines

Deal found 9/30

$1,078

Thu 11/206:00 amSTL - GRU

1 stop20h 40mDelta

Mon 12/111:45 pmGRU - STL

1 stop16h 31mDelta

Deal found 10/1

$1,090

Wed 12/241:22 pmSTL - GRU

1 stop17h 13mLATAM Airlines

Wed 12/3111:55 pmGRU - STL

2 stops26h 43mLATAM Airlines

Deal found 10/2

$1,100

Sat 11/154:41 pmSTL - VCP

2 stops37h 29mGOL

Sat 11/225:55 pmVCP - STL

2 stops43h 42mGOL

Deal found 10/1

$1,339

Sat 11/154:41 pmSTL - CGH

2 stops18h 29mGOL

Sat 11/226:35 amCGH - STL

2 stops18h 59mGOL

Deal found 10/1

$1,429

Best flights from St. Louis to Sao Paulo
Discover carefully curated flight deals from St. Louis to Sao Paulo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2025.

Sat 11/17:15 pmSTL - VCP

1 stop22h 05mMultiple Airlines

Sat 11/1511:20 pmVCP - STL

1 stop20h 56mMultiple Airlines

Deal found 10/2

$644

Wed 11/124:05 pmSTL - GRU

2 stops37h 55mAir Canada

Wed 11/199:45 pmGRU - STL

2 stops20h 44mAir Canada

Deal found 10/2

$764

Mon 1/126:09 pmSTL - GRU

1 stop34h 56mGOL

Wed 3/256:00 amGRU - STL

2 stops19h 37mGOL

Deal found 10/1

$936

Mon 1/126:09 pmSTL - CGH

2 stops17h 16mAmerican Airlines

Mon 1/196:10 pmCGH - STL

2 stops17h 58mAmerican Airlines

Deal found 10/1

$1,221

Thu 1/224:05 pmSTL - VCP

2 stops23h 40mMultiple Airlines

Sun 2/16:05 pmVCP - STL

2 stops24h 24mMultiple Airlines

Deal found 10/1

$786

Sat 11/154:05 pmSTL - GRU

2 stops37h 55mAir Canada

Sat 11/229:30 pmGRU - STL

1 stop20h 59mAir Canada

Deal found 10/1

$838

Thu 1/224:05 pmSTL - CGH

2 stops24h 30mMultiple Airlines

Sun 2/16:00 pmCGH - STL

2 stops24h 29mMultiple Airlines

Deal found 10/1

$787

Mon 1/123:37 pmSTL - CGH

2 stops19h 48mGOL

Wed 3/256:30 amCGH - STL

2 stops17h 34mGOL

Deal found 10/1

$947

Sun 3/2911:30 amSTL - GRU

2 stops23h 40mGOL

Tue 3/3110:00 pmGRU - STL

1 stop18h 02mGOL

Deal found 9/30

$958

Thu 11/206:15 amSTL - GRU

2 stops17h 25mMultiple Airlines

Mon 12/112:55 pmGRU - STL

1 stop14h 02mMultiple Airlines

Deal found 10/1

$871

Sat 2/144:05 pmSTL - GRU

2 stops37h 55mAir Canada

Sat 2/219:45 pmGRU - STL

2 stops20h 44mAir Canada

Deal found 10/1

$1,019

Sun 3/225:03 pmSTL - VCP

2 stops22h 22mGOL

Sun 3/295:55 pmVCP - STL

2 stops42h 34mGOL

Deal found 10/1

$962

Sat 3/2111:30 amSTL - VCP

2 stops27h 45mGOL

Sun 3/295:55 pmVCP - STL

2 stops42h 34mGOL

Deal found 10/1

$962

Sat 11/14:05 pmSTL - GRU

2 stops38h 55mMultiple Airlines

Sat 11/155:25 pmGRU - STL

2 stops26h 51mMultiple Airlines

Deal found 10/2

$976

Mon 3/3011:30 amSTL - CGH

2 stops21h 05mGOL

Wed 4/18:00 amCGH - STL

2 stops40h 04mGOL

Deal found 9/30

$968

Mon 1/128:45 amSTL - VCP

2 stops31h 30mMultiple Airlines

Wed 3/2510:10 amVCP - STL

1 stop23h 03mMultiple Airlines

Deal found 10/1

$1,005

Sat 3/216:00 amSTL - VCP

2 stops26h 45mMultiple Airlines

Sun 3/2910:10 amVCP - STL

1 stop23h 03mMultiple Airlines

Deal found 10/1

$1,028

Sat 3/214:05 pmSTL - GRU

1 stop16h 30mMultiple Airlines

Sat 3/283:40 amGRU - STL

2 stops22h 00mMultiple Airlines

Deal found 10/1

$1,057

Sun 3/225:03 pmSTL - CGH

2 stops19h 17mGOL

Sun 3/296:00 amCGH - STL

2 stops19h 37mGOL

Deal found 10/1

$1,245

Mon 1/123:37 pmSTL - VCP

2 stops25h 03mGOL

Wed 3/256:05 pmVCP - STL

2 stops23h 37mGOL

Deal found 10/1

$1,253

Mon 1/123:37 pmSTL - VCP

2 stops25h 03mGOL

Mon 1/198:20 pmVCP - STL

2 stops30h 39mGOL

Deal found 10/1

$1,253

Thu 1/812:20 pmSTL - VCP

1 stop27h 25mMultiple Airlines

Thu 1/1511:00 pmVCP - STL

2 stops26h 37mMultiple Airlines

Deal found 10/1

$1,376

Mon 3/24:59 pmSTL - VCP

2 stops21h 26mGOL

Wed 3/46:05 pmVCP - STL

2 stops19h 24mGOL

Deal found 9/30

$1,272

Sat 3/2111:30 amSTL - CGH

2 stops23h 05mGOL

Sun 3/296:00 amCGH - STL

2 stops19h 37mGOL

Deal found 10/1

$1,356

Thu 1/83:37 pmSTL - VCP

2 stops25h 03mGOL

Thu 1/158:20 pmVCP - STL

2 stops28h 45mGOL

Deal found 10/1

$1,376

Sat 11/154:41 pmSTL - CGH

2 stops18h 29mGOL

Sat 11/226:35 amCGH - STL

2 stops18h 59mGOL

Deal found 10/1

$1,429

Sat 2/144:59 pmSTL - CGH

2 stops26h 26mGOL

Sat 2/216:00 amCGH - STL

2 stops18h 40mGOL

Deal found 10/1

$1,431

Tue 1/611:55 amSTL - VCP

2 stops28h 45mGOL

Sun 1/185:55 pmVCP - STL

2 stops31h 10mGOL

Deal found 10/1

$1,460

Tue 1/611:55 amSTL - CGH

2 stops23h 30mGOL

Sun 1/187:50 pmCGH - STL

2 stops29h 15mGOL

Deal found 10/1

$1,465

Wed 12/246:00 pmSTL - CGH

2 stops41h 25mGOL

Wed 12/316:00 amCGH - STL

2 stops19h 35mGOL

Deal found 10/1

$1,605

Last-minute flights from St. Louis to Sao Paulo
Discover last-minute flight deals from St. Louis to Sao Paulo. Data last updated October 2, 2025 and is based on user searches.

Wed 10/89:15 amSTL - GRU

1 stop22h 00mAir Canada

Thu 10/169:00 pmGRU - STL

2 stops44h 18mAir Canada

Deal found 10/2

$999

Sat 11/17:15 pmSTL - VCP

1 stop22h 05mMultiple Airlines

Sat 11/1511:20 pmVCP - STL

1 stop20h 56mMultiple Airlines

Deal found 10/2

$644

Sat 11/14:05 pmSTL - GRU

2 stops38h 55mMultiple Airlines

Sat 11/155:25 pmGRU - STL

2 stops26h 51mMultiple Airlines

Deal found 10/2

$976

Wed 11/124:05 pmSTL - GRU

2 stops37h 55mAir Canada

Wed 11/199:45 pmGRU - STL

2 stops20h 44mAir Canada

Deal found 10/2

$764

Sat 11/154:05 pmSTL - GRU

2 stops37h 55mAir Canada

Sat 11/229:45 pmGRU - STL

2 stops20h 44mAir Canada

Deal found 10/1

$763

Sat 11/154:05 pmSTL - GRU

2 stops37h 55mMultiple Airlines

Sat 11/227:30 amGRU - STL

3 stops34h 59mMultiple Airlines

Deal found 9/30

$1,064

Sat 11/1510:17 amSTL - VCP

2 stops21h 28mMultiple Airlines

Sat 11/2211:20 pmVCP - STL

1 stop13h 43mMultiple Airlines

Deal found 9/30

$1,078

Sat 11/154:41 pmSTL - VCP

2 stops37h 29mGOL

Sat 11/225:55 pmVCP - STL

2 stops43h 42mGOL

Deal found 10/1

$1,339

Sat 11/154:41 pmSTL - CGH

2 stops18h 29mGOL

Sat 11/226:35 amCGH - STL

2 stops18h 59mGOL

Deal found 10/1

$1,429

Thu 11/206:15 amSTL - GRU

2 stops17h 25mMultiple Airlines

Mon 12/112:55 pmGRU - STL

1 stop14h 02mMultiple Airlines

Deal found 10/1

$871

Thu 11/206:00 amSTL - GRU

1 stop20h 40mDelta

Mon 12/111:45 pmGRU - STL

1 stop16h 31mDelta

Deal found 10/1

$1,090

Thu 11/201:55 pmSTL - GRU

2 stops23h 35mLATAM Airlines

Mon 12/111:55 pmGRU - STL

2 stops21h 42mLATAM Airlines

Deal found 10/1

$1,100

One-way flights from St. Louis to Sao Paulo
Search for one-way flight options from St. Louis to Sao Paulo. Find affordable one-way fares based on user searches. Data last updated October 2, 2025.

Thu 1/1512:20 pmSTL - GRU

3 stops31h 25mMultiple Airlines

Deal found 10/2

$461

Thu 1/1510:42 amSTL - CGH

3 stops31h 53mMultiple Airlines

Deal found 10/1

$532

Thu 1/1510:42 amSTL - VCP

3 stops45h 03mMultiple Airlines

Deal found 10/1

$536

Thu 1/157:30 amSTL - GRU

1 stop19h 10mDelta

Deal found 10/2

$558

Thu 12/251:22 pmSTL - GRU

2 stops24h 08mLATAM Airlines

Deal found 10/2

$652

Thu 12/251:22 pmSTL - GRU

1 stop17h 13mDelta

Deal found 10/2

$658

Thu 12/254:05 pmSTL - VCP

2 stops24h 35mMultiple Airlines

Deal found 10/2

$731

Thu 12/254:05 pmSTL - CGH

2 stops21h 25mMultiple Airlines

Deal found 10/2

$731

Thu 12/2511:41 amSTL - VCP

2 stops28h 59mGOL

Deal found 10/1

$992

Cheapflights Fare Finder

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 - VCP

STLVCP

Lambert-St Louis

Sat 11/1

7:15 pm-7:20 pm

1 stop22h 05m

Sao Paulo Viracopos

Sat 11/15

11:20 pm-5:16 pm

1 stop20h 56m

$644

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Wed 11/19

9:45 pm-3:29 pm

2 stops20h 44m

$764

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Thu 1/22

4:05 pm-6:45 pm

2 stops23h 40m

Sao Paulo Viracopos

Sun 2/1

6:05 pm-3:29 pm

2 stops24h 24m

$786

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Thu 1/22

4:05 pm-7:35 pm

2 stops24h 30m

Sao Paulo Congonhas

Sun 2/1

6:00 pm-3:29 pm

2 stops24h 29m

$787

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 11/15

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Sat 11/22

9:30 pm-3:29 pm

1 stop20h 59m

$838

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 11/20

6:15 am-2:40 am

2 stops17h 25m

Sao Paulo Guarulhos Intl

Mon 12/1

12:55 pm-11:57 pm

1 stop14h 02m

$871

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 1/12

6:09 pm-8:05 am

1 stop34h 56m

Sao Paulo Guarulhos Intl

Wed 3/25

6:00 am-11:37 pm

2 stops19h 37m

$936

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Mon 1/12

3:37 pm-2:25 pm

2 stops19h 48m

Sao Paulo Congonhas

Wed 3/25

6:30 am-10:04 pm

2 stops17h 34m

$947

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 3/29

11:30 am-1:10 pm

2 stops23h 40m

Sao Paulo Guarulhos Intl

Tue 3/31

10:00 pm-2:02 pm

1 stop18h 02m

$958

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sun 3/22

5:03 pm-5:25 pm

2 stops22h 22m

Sao Paulo Viracopos

Sun 3/29

5:55 pm-10:29 am

2 stops42h 34m

$962

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 40 results

Compare providers for flights from St. Louis to Sao Paulo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Sao Paulo in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Sao Paulo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Sao Paulo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Sao Paulo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Sao Paulo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Sao Paulo

Have a flexible travel schedule? Discover the best time to fly to Sao Paulo from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Sao Paulo

What is the cheapest month to book a flight from St. Louis to Sao Paulo?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $668). Flying from St. Louis to Sao Paulo in December is currently the most expensive (average of $1,209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to SAO?

When flying from St. Louis to Sao Paulo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 11% versus a flight at noon.

Reviews of airlines servicing Sao Paulo

Read through reviews of airlines operating flights from St. Louis to Sao Paulo, such as Delta and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,962 reviews

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LATAM Airlines

7.5

Good

1,858 reviews

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from St. Louis to Sao Paulo?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Sao Paulo. You should not have trouble finding flights to Sao Paulo from Lambert-St Louis; the airport handles an average of 0 outbound flights to Sao Paulo per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the St. Louis airport to Sao Paulo. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.
How long is the flight from St. Louis to Sao Paulo?
There are many flights that can get you from St. Louis to Sao Paulo in 17h 16m. Fly via Air Canada, GOL, or American Airlines to get the fastest option. The distance from St. Louis to Sao Paulo is about 5151 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from St. Louis to Sao Paulo round-trip?
Cheapflights users have booked flights from St. Louis to Sao Paulo round-trip from $756. Other airlines that can offer you cheap pricing are Air Canada, from $758, and American Airlines, from $761. LATAM Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from St. Louis to Sao Paulo one-way?
One-way options have recently been found by users for as low as $558 on Delta. Other airlines that offer cheap prices include LATAM Airlines from $652 and Air Canada from $731 one-way.
What are the most popular routes from St. Louis to Sao Paulo?
While some choose either Lambert-St Louis - Sao Paulo Congonhas or Lambert-St Louis - Sao Paulo Viracopos, Lambert-St Louis - Sao Paulo Guarulhos Intl is the most popular route from St. Louis to Sao Paulo.
Can I find deals for flights from St. Louis to Sao Paulo that include hotel bookings?
Yes. In addition to deals on St. Louis to Sao Paulo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Sao Paulo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Sao Paulo.
Can I find deals for business class flights from St. Louis to Sao Paulo?
Yes. Cheapflights offers flight deals from St. Louis to Sao Paulo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Sao Paulo?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $668). Flying from St. Louis to Sao Paulo in December is currently the most expensive (average of $1,209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from St. Louis to Sao Paulo

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest$756	Average$1,163	FlexibilityNo cancel fee	On-time81%
Air Canada	Cheapest$758	Average$766	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$761	Average$1,258	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$858	Average$1,209	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$938	Average$1,286	FlexibilityNo cancel fee	On-time69%

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$461+ Cheap flights from St. Louis (STL) to Sao Paulo, Brazil (SAO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from St. Louis to Sao PauloExplore the most affordable flight options available from St. Louis to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

Explore the most affordable flight options available from St. Louis to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

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Best time to book a flight from St. Louis to Sao Paulo

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Find hourly flight availability from St. Louis to Sao Paulo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 2, 2025.

Reviews of airlines servicing Sao Paulo

Read through reviews of airlines operating flights from St. Louis to Sao Paulo, such as Delta and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Sao Paulo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 5 airlines flying from St. Louis to Sao Paulo

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Cheapest flights from St. Louis to Sao Paulo
Explore the most affordable flight options available from St. Louis to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.