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$365+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAO
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap 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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$830
(Air Canada)

One-way from

$365
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$698
Provider with most accurate pricing for Lambert-St Louis-Sao Paulo (SAO) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Sao Paulo (SAO) flights.
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From Lambert-St Louis to Sao Paulo (SAO)
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One-way flight from Lambert-St Louis to Sao Paulo (SAO)
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Highest demand for flights based on searches. 6% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 17, 2025.

This Air Canada deal was found by Cheapflights users on 4/17. 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.
mar. 4/293:30 pmSTL - GRU
2 stops40h 15mAir Canada
mar. 5/69:40 pmGRU - STL
2 stops24h 18mAir Canada
Deal found 4/17$830
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
mié. 5/285:45 pmSTL - GRU
2 stops43h 35mMultiple Airlines
dom. 6/111:55 amGRU - STL
1 stop13h 54mMultiple Airlines
Deal found 4/17$1,002
This FlightHub deal was found by Cheapflights users on 4/17. 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.
mié. 12/246:00 amSTL - GRU
1 stop20h 40mLATAM Airlines
mié. 12/318:00 amGRU - STL
2 stops18h 39mLATAM Airlines
Deal found 4/17$1,038
This Delta deal was found by Cheapflights users on 4/17. 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.
mié. 12/107:20 amSTL - GRU
2 stops19h 20mDelta
mié. 1/1410:40 amGRU - STL
1 stop13h 11mDelta
Deal found 4/17$1,043
This United Airlines deal was found by Cheapflights users on 4/17. 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.
vie. 5/308:10 amSTL - GRU
1 stop23h 20mUnited Airlines
vie. 6/69:00 pmGRU - STL
1 stop15h 38mUnited Airlines
Deal found 4/17$1,053
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/107:13 amSTL - GRU
1 stop23h 57mAmerican Airlines
mié. 1/1411:00 pmGRU - STL
1 stop22h 23mAmerican Airlines
Deal found 4/17$1,088
This GOL deal was found by Cheapflights users on 4/16. 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.
mié. 12/245:21 amSTL - CGH
2 stops21h 44mGOL
mié. 12/316:15 pmCGH - STL
2 stops32h 26mGOL
Deal found 4/16$1,220
This GOL deal was found by Cheapflights users on 4/16. 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.
mié. 12/245:21 amSTL - VCP
2 stops35h 04mGOL
mié. 12/318:05 pmVCP - STL
2 stops28h 38mGOL
Deal found 4/16$1,304
This Avianca deal was found by Cheapflights users on 4/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/109:09 amSTL - GRU
2 stops18h 26mAvianca
vie. 8/151:45 amGRU - STL
2 stops18h 22mAvianca
Deal found 4/17$1,360
This StudentUniverse deal was found by Cheapflights users on 4/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/108:00 amSTL - GRU
2 stops19h 37mCopa Airlines
mar. 1/133:07 amGRU - STL
2 stops18h 26mCopa Airlines
Deal found 4/17$1,922

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 abril 17, 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

mar. 4/29

3:30 pm-9:45 am

2 stops40h 15m

Sao Paulo Guarulhos Intl

mar. 5/6

9:40 pm-7:58 pm

2 stops24h 18m

$830

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

mié. 5/28

5:45 pm-3:20 pm

2 stops43h 35m

Sao Paulo Guarulhos Intl

dom. 6/1

11:55 am-11:49 pm

1 stop13h 54m

$1,002

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

vie. 5/30

8:10 am-9:30 am

1 stop23h 20m

Sao Paulo Guarulhos Intl

vie. 6/6

9:00 pm-10:38 am

1 stop15h 38m

$1,053

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

mié. 5/28

6:00 am-5:40 am

2 stops21h 40m

Sao Paulo Guarulhos Intl

dom. 6/1

11:45 pm-6:01 pm

2 stops20h 16m

$1,108

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

dom. 8/10

9:09 am-5:35 am

2 stops18h 26m

Sao Paulo Guarulhos Intl

vie. 8/15

1:45 am-6:07 pm

2 stops18h 22m

$1,360

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

vie. 5/16

5:55 pm-2:10 am

2 stops54h 15m

$365

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

vie. 5/16

3:40 pm-5:40 am

1 stop12h 00m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Sao Paulo flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, October is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $691). 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?

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 abril 17, 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 11% versus a flight at noon.

Rainfall in Sao Paulo by month

Plan your trip to Sao Paulo by taking into account the average rainfall totals by month.

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.

Temperature in Sao Paulo by month

Plan your trip to Sao Paulo by taking into account the average temperature totals by month.

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).

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 abril 17, 2025.
LATAM Airlines
7.5
Good
1,761 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Crew

8.1

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,761 reviews
LATAM Airlines
7.5
Good
1,761 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Crew

8.1

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
United Airlines
7.4
Good
8,667 reviews
LATAM Airlines
7.5
Good
1,761 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Crew

8.1

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Air Canada
7.0
Good
9,142 reviews
LATAM Airlines
7.5
Good
1,761 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Crew

8.1

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Avianca
6.7
Okay
2,315 reviews
LATAM Airlines
7.5
Good
1,761 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Crew

8.1

Food

6.7

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

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 4 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.

  • 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 $830. Other airlines that can offer you cheap pricing are United Airlines, from $1,053, and LATAM Airlines, from $1,108. Air Canada is priced at 19% 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.

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

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $691). 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

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Alternative routes for St. Louis to Sao Paulo

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St. Louis to Guarulhos Intl flights

Top 4 airlines flying from St. Louis to Sao Paulo

Discover the top 4 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$569Average$1,078FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$756Average$1,148FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$761Average$1,037FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$938Average$1,177FlexibilityNo cancel feeOn-time69%

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