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Sao Paulo

$360+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAO
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap 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 March 10, 2026.

This BusinessClass deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 am
STL
-
GRU
1 stop22h 10m
Azul
Thu 10/89:00 pm
GRU
-
STL
1 stop23h 41m
Azul
Deal found 3/9$832
This Air Canada deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 am
STL
-
GRU
1 stop22h 10m
Air Canada
Thu 10/89:00 pm
GRU
-
STL
1 stop23h 41m
Air Canada
Deal found 3/9$835
This FlightHub deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:04 am
STL
-
GRU
2 stops18h 51m
GOL
Tue 8/48:55 am
GRU
-
STL
2 stops15h 50m
GOL
Deal found 3/8$841
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:59 pm
STL
-
GRU
2 stops21h 06m
Multiple Airlines
Wed 4/2211:40 am
GRU
-
STL
1 stop13h 39m
Multiple Airlines
Deal found 3/6$844
This Air Canada deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:40 pm
STL
-
GRU
2 stops40h 20m
Air Canada
Wed 10/289:30 pm
GRU
-
STL
1 stop20h 00m
Air Canada
Deal found 3/9$848
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:44 pm
STL
-
VCP
1 stop34h 51m
Multiple Airlines
Tue 6/2310:10 am
VCP
-
STL
1 stop15h 47m
Multiple Airlines
Deal found 3/5$850
This Air Canada deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:15 pm
STL
-
VCP
2 stops23h 20m
Multiple Airlines
Wed 12/911:35 am
VCP
-
STL
2 stops30h 55m
Multiple Airlines
Deal found 3/6$856
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1511:32 am
STL
-
VCP
1 stop16h 03m
Multiple Airlines
Wed 6/1710:10 am
VCP
-
STL
1 stop15h 47m
Multiple Airlines
Deal found 3/5$866
This BusinessClass deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:04 am
STL
-
GRU
2 stops18h 51m
GOL
Wed 8/58:55 am
GRU
-
STL
2 stops28h 03m
GOL
Deal found 3/6$877
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1511:32 am
STL
-
VCP
1 stop16h 03m
Multiple Airlines
Thu 6/1810:10 am
VCP
-
STL
1 stop15h 47m
Multiple Airlines
Deal found 3/5$883
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:44 pm
STL
-
VCP
2 stops16h 16m
Multiple Airlines
Tue 6/2310:10 am
VCP
-
STL
1 stop15h 47m
Multiple Airlines
Deal found 3/5$895
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1511:32 am
STL
-
VCP
1 stop16h 03m
Multiple Airlines
Mon 6/2210:10 am
VCP
-
STL
1 stop15h 47m
Multiple Airlines
Deal found 3/5$899

Find flight deals from St. Louis to Sao Paulo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sao Paulo (SAO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$841
(FlightHub)

One-way from

$360
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$1,386
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. 15% potential increase in price ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 10, 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
Quickest round-trip

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Mon 6/15

11:32 am-5:35 am

1 stop16h 03m

Sao Paulo Viracopos

Mon 6/22

10:10 am-11:57 pm

1 stop15h 47m

$899

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Thu 6/11

4:44 pm-11:00 am

2 stops16h 16m

Sao Paulo Viracopos

Wed 6/17

10:10 am-11:57 pm

1 stop15h 47m

$928

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 6/13

6:24 pm-10:45 pm

2 stops26h 21m

Sao Paulo Guarulhos Intl

Sat 6/27

6:00 am-10:58 pm

2 stops18h 58m

$937

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Fri 6/12

11:12 am-1:00 pm

2 stops47h 48m

Sao Paulo Guarulhos Intl

Fri 6/26

6:00 am-10:58 pm

2 stops18h 58m

$939

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 3/26

8:02 am-6:10 am

1 stop20h 08m

Sao Paulo Guarulhos Intl

Wed 4/8

11:10 am-11:25 pm

2 stops38h 15m

$960

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Thu 6/11

4:44 pm-11:00 am

2 stops16h 16m

Sao Paulo Viracopos

Mon 6/22

10:10 am-11:57 pm

1 stop15h 47m

$961

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Mon 6/15

11:32 am-5:35 am

1 stop16h 03m

Sao Paulo Viracopos

Fri 6/19

10:10 am-11:57 pm

1 stop15h 47m

$990

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Mon 8/3

11:04 am-10:40 am

2 stops21h 36m

Sao Paulo Viracopos

Fri 8/7

6:00 pm-10:58 am

2 stops18h 58m

$999

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 8/3

5:02 am-1:10 pm

2 stops30h 08m

Sao Paulo Guarulhos Intl

Fri 8/7

6:00 am-10:58 am

2 stops30h 58m

$1,014

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sat 6/13

6:24 pm-8:00 am

2 stops35h 36m

Sao Paulo Congonhas

Sat 6/20

12:05 pm-10:32 am

2 stops48h 27m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 44 resultsSorted by cheapest first
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Compare providers for flights from St. Louis to Sao Paulo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sao Paulo. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from St. Louis to Sao Paulo, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • 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 3 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 26h 21m. Fly via GOL to get the fastest option. The distance from St. Louis to Sao Paulo is about 5146 mi.

  • 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 $758. Other airlines that can offer you cheap pricing are LATAM Airlines, from $973, and American Airlines, from $1,064. Air Canada is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

    While some choose either Lambert-St Louis - Sao Paulo Viracopos or Lambert-St Louis - Sao Paulo Congonhas, 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.

See more FAQs

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Alternative routes for St. Louis to Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Guarulhos Intl flights

Top 3 airlines flying from St. Louis to Sao Paulo

Discover the top 3 airlines that operate flights from St. Louis to Sao Paulo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$758Average$767FlexibilityNo cancel feeOn-time67%
LATAM AirlinesCheapest$973Average$1,397FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,064Average$1,481FlexibilityNo cancel feeOn-time71%

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