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$707+ Cheap flights from St. Louis (STL) to Sao Paulo, Brazil (SAO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$707
(lastminute.com)

Popular in

June

Cheapest in

April

Average price

$1,378
From Lambert-St Louis to Sao Paulo (SAO)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 2025.

This lastminute.com deal was found by Cheapflights users on 6/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:15 amSTL - GRU
1 stop22h 00mAir Canada
Wed 8/209:00 pmGRU - STL
1 stop25h 00mAir Canada
Deal found 6/12$707
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:26 pmSTL - GRU
2 stops34h 09mMultiple Airlines
Wed 8/205:25 amGRU - STL
2 stops30h 30mMultiple Airlines
Deal found 6/12$730
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:47 amSTL - VCP
2 stops40h 48mMultiple Airlines
Mon 8/1810:15 amVCP - STL
3 stops34h 26mMultiple Airlines
Deal found 6/10$758
This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amSTL - GRU
1 stop20h 40mLATAM Airlines
Wed 12/319:35 amGRU - STL
2 stops15h 06mLATAM Airlines
Deal found 6/12$1,038
This Delta deal was found by Cheapflights users on 6/11. 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 11/194:40 pmSTL - GRU
1 stop14h 15mDelta
Wed 12/179:30 pmGRU - STL
1 stop13h 39mDelta
Deal found 6/11$1,039
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:22 amSTL - VCP
2 stops27h 23mGOL
Sat 8/235:55 pmVCP - STL
2 stops32h 04mGOL
Deal found 6/11$1,152
This Copa Airlines deal was found by Cheapflights users on 6/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:00 amSTL - GRU
2 stops20h 30mCopa Airlines
Tue 8/191:40 amGRU - STL
2 stops34h 22mCopa Airlines
Deal found 6/12$1,153
This GOL deal was found by Cheapflights users on 6/11. 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.
Sat 8/165:22 amSTL - CGH
2 stops24h 28mGOL
Sat 8/237:20 pmCGH - STL
2 stops30h 39mGOL
Deal found 6/11$1,170
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:15 amSTL - GRU
1 stop23h 20mUnited Airlines
Fri 8/110:20 pmGRU - STL
1 stop14h 20mUnited Airlines
Deal found 6/9$1,244
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:48 pmSTL - GRU
2 stops18h 12mAmerican Airlines
Fri 8/111:15 pmGRU - STL
2 stops17h 08mAmerican Airlines
Deal found 6/9$1,330
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/285:21 pmSTL - GRU
2 stops35h 39mGOL
Sun 7/68:50 amGRU - STL
2 stops41h 07mGOL
Deal found 6/11$1,469
This Avianca deal was found by Cheapflights users on 6/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/159:50 amSTL - GRU
2 stops17h 45mAvianca
Sat 6/211:45 amGRU - STL
2 stops18h 15mAvianca
Deal found 6/11$5,802

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 June 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

Thu 8/7

9:15 am-9:15 am

1 stop22h 00m

Sao Paulo Guarulhos Intl

Wed 8/20

9:00 pm-8:00 pm

1 stop25h 00m

$707

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 8/7

5:26 pm-5:35 am

2 stops34h 09m

Sao Paulo Guarulhos Intl

Wed 8/20

5:25 am-9:55 am

2 stops30h 30m

$730

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Mon 8/4

10:47 am-5:35 am

2 stops40h 48m

Sao Paulo Viracopos

Mon 8/18

10:15 am-6:41 pm

3 stops34h 26m

$758

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/19

4:40 pm-9:55 am

1 stop14h 15m

Sao Paulo Guarulhos Intl

Wed 12/17

9:30 pm-8:09 am

1 stop13h 39m

$1,039

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/19

9:00 am-7:30 am

2 stops19h 30m

Sao Paulo Guarulhos Intl

Tue 12/16

3:55 am-9:59 pm

2 stops21h 04m

$1,049

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sat 8/16

5:22 am-10:45 am

2 stops27h 23m

Sao Paulo Viracopos

Sat 8/23

5:55 pm-11:59 pm

2 stops32h 04m

$1,152

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 8/7

8:00 am-6:30 am

2 stops20h 30m

Sao Paulo Guarulhos Intl

Tue 8/19

1:40 am-10:02 am

2 stops34h 22m

$1,153

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sat 8/16

5:22 am-7:50 am

2 stops24h 28m

Sao Paulo Congonhas

Sat 8/23

7:20 pm-11:59 pm

2 stops30h 39m

$1,170

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Fri 7/25

6:15 am-7:35 am

1 stop23h 20m

Sao Paulo Guarulhos Intl

Fri 8/1

10:20 pm-10:40 am

1 stop14h 20m

$1,244

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Fri 7/25

12:48 pm-9:00 am

2 stops18h 12m

Sao Paulo Guarulhos Intl

Fri 8/1

11:15 pm-2:23 pm

2 stops17h 08m

$1,330

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
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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, April is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $687). 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 June 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 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
GOL
7.3
Good
1,073 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

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.

  • 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 $707. Other airlines that can offer you cheap pricing are Delta, from $1,039, and LATAM Airlines, from $1,049. Air Canada is priced at 31% 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, April is the cheapest month in which you can book a flight from St. Louis to Sao Paulo (average of $687). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$569Average$1,118FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$756Average$1,148FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$758Average$767FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$761Average$988FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$938Average$1,262FlexibilityNo cancel feeOn-time69%

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