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Sao Paulo

$312+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:27 pmSTL - GRU
3 stops34h 43mUnited Airlines
Fri 1/1610:15 pmGRU - STL
1 stop20h 24mUnited Airlines
Deal found 12/10$1,396
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:30 amSTL - GRU
1 stop20h 00mUnited Airlines
Wed 12/319:45 pmGRU - STL
1 stop21h 42mUnited Airlines
Deal found 12/10$1,403
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:12 pmSTL - GRU
1 stop13h 23mLATAM Airlines
Wed 12/175:45 pmGRU - STL
2 stops20h 00mLATAM Airlines
Deal found 12/11$1,447
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Fri 12/269:47 amSTL - GRU
2 stops20h 03mLATAM Airlines
Fri 1/910:55 pmGRU - STL
2 stops27h 44mLATAM Airlines
Deal found 12/11$1,449
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:30 amSTL - GRU
1 stop17h 10mLATAM Airlines
Mon 12/2910:40 amGRU - STL
1 stop16h 02mLATAM Airlines
Deal found 12/11$1,456
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:13 pmSTL - GRU
2 stops20h 17mLATAM Airlines
Wed 12/3110:40 amGRU - STL
1 stop15h 58mLATAM Airlines
Deal found 12/11$1,472
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amSTL - GRU
2 stops21h 15mLATAM Airlines
Thu 12/189:15 pmGRU - STL
1 stop14h 09mLATAM Airlines
Deal found 12/11$1,477
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSTL - GRU
1 stop19h 40mDelta
Wed 12/3110:40 amGRU - STL
1 stop15h 58mDelta
Deal found 12/11$1,480
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/129:54 amSTL - VCP
1 stop16h 46mMultiple Airlines
Thu 12/181:00 pmVCP - STL
1 stop36h 33mMultiple Airlines
Deal found 12/11$1,645
This GOL deal was found by Cheapflights users on 12/10. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:05 amSTL - VCP
2 stops35h 35mGOL
Wed 12/319:50 amVCP - STL
2 stops39h 45mGOL
Deal found 12/10$1,752
This GOL deal was found by Cheapflights users on 12/11. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 pmSTL - CGH
2 stops41h 25mGOL
Wed 12/316:10 pmCGH - STL
2 stops19h 40mGOL
Deal found 12/11$1,758
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sun 12/214:27 pmSTL - VCP
1 stop34h 13mMultiple Airlines
Sat 1/38:05 pmVCP - STL
2 stops40h 40mMultiple Airlines
Deal found 12/11$2,134

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$661
(Trip.com)

One-way from

$312
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,437
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. 14% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
Use the filters below to find and compare flights from St. Louis to Sao Paulo that are best for you.

Fly from

St. Louis

Fly to

Sao Paulo

Route

Depart

Return

Price

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 3/22

11:22 am-1:25 pm

2 stops24h 03m

Sao Paulo Guarulhos Intl

Sat 4/4

6:00 am-9:51 pm

2 stops17h 51m

$755

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sun 3/22

3:22 pm-10:10 am

2 stops16h 48m

Sao Paulo Congonhas

Sat 4/4

6:00 am-9:51 pm

2 stops17h 51m

$760

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 3/7

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Wed 3/11

9:30 pm-3:29 pm

1 stop19h 59m

$772

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 3/14

4:05 pm-9:00 am

2 stops38h 55m

Sao Paulo Guarulhos Intl

Fri 3/20

9:15 pm-3:29 pm

2 stops20h 14m

$845

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 1/25

5:42 pm-10:40 pm

2 stops25h 58m

Sao Paulo Guarulhos Intl

Sun 2/1

11:20 am-9:21 am

1 stop25h 01m

$949

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sat 2/14

11:00 am-11:00 am

2 stops21h 00m

Sao Paulo Viracopos

Sat 2/21

5:55 pm-10:26 am

2 stops19h 31m

$1,063

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sat 2/14

5:05 am-10:10 am

2 stops26h 05m

Sao Paulo Congonhas

Sat 2/21

6:35 am-10:26 am

2 stops30h 51m

$1,098

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 2/14

3:31 pm-8:10 am

1 stop13h 39m

Sao Paulo Guarulhos Intl

Sat 2/21

6:00 am-10:26 am

2 stops31h 26m

$1,121

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sun 1/25

5:20 pm-9:10 am

2 stops60h 50m

Sao Paulo Viracopos

Sun 2/1

5:55 pm-9:08 am

2 stops42h 13m

$1,177

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sun 1/25

3:37 pm-4:30 pm

2 stops21h 53m

Sao Paulo Congonhas

Sun 2/1

7:50 pm-9:08 am

2 stops40h 18m

$1,294

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 44 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Sao Paulo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, July is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $465). Flying from St. Louis to Sao Paulo in October is currently the most expensive (average of $4,098). 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?

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 December 12, 2025.

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 9% versus a flight in the evening.

How much does it cost to fly round-trip from St. Louis to Sao Paulo?

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 December 12, 2025.
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
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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 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 24h 03m. Fly via GOL or Air Canada to get the fastest option. The distance from St. Louis to Sao Paulo is about 5146 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 33% 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 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, July is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $465). Flying from St. Louis to Sao Paulo in October is currently the most expensive (average of $4,098). 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

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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
St. Louis to Guarulhos Intl flights

Top 5 airlines flying from St. Louis to Sao Paulo

Discover the top 5 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$756Average$1,392FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$758Average$767FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$761Average$1,300FlexibilityNo cancel feeOn-time71%
DeltaCheapest$858Average$1,209FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$938Average$1,286FlexibilityNo cancel feeOn-time69%

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