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$375+ Cheap flights from St. Louis (STL) to Brazil

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GRU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from St. Louis to Brazil

Keep the following information in mind while searching for St. Louis to Brazil flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(Gotogate)

One-way from

$410
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$907
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 Brazil
Search Deals
One-way flight from Lambert-St Louis to Brazil
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from St. Louis to Brazil

Cheapest flights from St. Louis to Brazil
Explore the most affordable flight options available from St. Louis to Brazil. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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.
Sat 5/1010:10 amSTL - SDU
2 stops20h 40mMultiple Airlines
Sat 5/176:10 amSDU - STL
3 stops29h 05mMultiple Airlines
Deal found 3/26$708
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:30 amSTL - GIG
2 stops29h 35mMultiple Airlines
Tue 5/277:45 amGIG - STL
2 stops30h 51mMultiple Airlines
Deal found 3/27$747
This Air Canada deal was found by Cheapflights users on 3/26. 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 5/11:30 pmSTL - GRU
2 stops41h 45mAir Canada
Thu 5/229:00 pmGRU - STL
1 stop24h 58mAir Canada
Deal found 3/26$758
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Sat 5/1010:10 amSTL - POA
3 stops35h 05mMultiple Airlines
Sat 5/175:15 amPOA - STL
3 stops30h 00mMultiple Airlines
Deal found 3/25$766
This Justfly.com deal was found by Cheapflights users on 3/27. 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.
Mon 5/122:30 pmSTL - SDU
2 stops23h 20mAir Canada
Tue 5/271:05 pmSDU - STL
2 stops25h 31mAir Canada
Deal found 3/27$780
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/1510:10 amSTL - GRU
2 stops27h 10mMultiple Airlines
Mon 5/199:00 pmGRU - STL
1 stop24h 58mMultiple Airlines
Deal found 3/26$808
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 5/19:40 amSTL - GRU
1 stop21h 50mUnited Airlines
Thu 5/2210:20 pmGRU - STL
1 stop23h 17mUnited Airlines
Deal found 3/26$809
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:00 amSTL - POA
2 stops33h 00mLATAM Airlines
Fri 5/306:40 amPOA - STL
2 stops18h 58mLATAM Airlines
Deal found 3/27$854
This LATAM Airlines deal was found by Cheapflights users on 3/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:42 amSTL - GRU
1 stop16h 58mLATAM Airlines
Wed 5/213:40 amGRU - STL
2 stops21h 58mLATAM Airlines
Deal found 3/26$859
This Delta deal was found by Cheapflights users on 3/25. 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.
Sat 5/105:00 pmSTL - POA
2 stops24h 50mDelta
Sat 5/172:35 pmPOA - STL
2 stops23h 29mDelta
Deal found 3/25$948
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/16:10 pmSTL - VCP
3 stops38h 30mMultiple Airlines
Thu 5/2210:10 amVCP - STL
3 stops34h 31mMultiple Airlines
Deal found 3/26$963
This Delta deal was found by Cheapflights users on 3/26. 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 4/95:30 pmSTL - GRU
1 stop13h 30mDelta
Sat 4/1210:05 amGRU - STL
1 stop15h 24mDelta
Deal found 3/26$999

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Brazil 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 28, 2025.
Use the filters below to find and compare flights from St. Louis to Brazil that are best for you.

Fly from

St. Louis

Fly to

Brazil

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sat 5/10

10:10 am-8:50 am

2 stops20h 40m

Rio de Janeiro Santos Dumont

Sat 5/17

6:10 am-9:15 am

3 stops29h 05m

$708

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 5/12

7:30 am-3:05 pm

2 stops29h 35m

Rio de Janeiro–Galeão Intl

Tue 5/27

7:45 am-12:36 pm

2 stops30h 51m

$747

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 5/1

1:30 pm-9:15 am

2 stops41h 45m

Sao Paulo Guarulhos Intl

Thu 5/22

9:00 pm-7:58 pm

1 stop24h 58m

$758

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/10

10:10 am-11:15 pm

3 stops35h 05m

Porto Alegre Salgado Filho

Sat 5/17

5:15 am-9:15 am

3 stops30h 00m

$766

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 5/12

2:30 pm-3:50 pm

2 stops23h 20m

Rio de Janeiro Santos Dumont

Tue 5/27

1:05 pm-12:36 pm

2 stops25h 31m

$780

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 5/15

10:10 am-3:20 pm

2 stops27h 10m

Sao Paulo Guarulhos Intl

Mon 5/19

9:00 pm-7:58 pm

1 stop24h 58m

$808

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 5/1

9:40 am-9:30 am

1 stop21h 50m

Sao Paulo Guarulhos Intl

Thu 5/22

10:20 pm-7:37 pm

1 stop23h 17m

$809

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/17

6:00 am-5:00 pm

2 stops33h 00m

Porto Alegre Salgado Filho

Fri 5/30

6:40 am-11:38 pm

2 stops18h 58m

$854

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 5/1

10:42 am-5:40 am

1 stop16h 58m

Sao Paulo Guarulhos Intl

Wed 5/21

3:40 am-11:38 pm

2 stops21h 58m

$859

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/10

5:00 pm-7:50 pm

2 stops24h 50m

Porto Alegre Salgado Filho

Sat 5/17

2:35 pm-12:04 pm

2 stops23h 29m

$948

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 25 results
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Best time to book a flight from St. Louis to Brazil

Have a flexible travel schedule? Discover the best time to fly to Brazil 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 Brazil

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

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

Find hourly flight availability from St. Louis to Brazil. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from St. Louis to Brazil, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Brazil by month

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

In terms of precipitation, rainfall in Brazil 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 Brazil when rainfall is around 0.8 in.

Temperature in Brazil by month

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

If weather is an important factor for your trip to Brazil, 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 Brazil

Get insights into the airlines that provide service to Brazil. 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 Brazil. Reviews last updated March 28, 2025.
To help decide which airline to fly from St. Louis to Brazil, see what other customers have to say about Delta, LATAM Airlines and Copa Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,750 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,395 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
GOL
7.3
Good
1,052 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Brazil. 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 Brazil?

    For a flight from St. Louis to Brazil, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

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

    The most popular flight routes from St. Louis to Brazil are Lambert-St Louis - Rio de Janeiro–Galeão Intl, Lambert-St Louis - Rio de Janeiro Santos Dumont and Lambert-St Louis - Sao Paulo Guarulhos Intl.

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

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

  • How can I find direct flights from St. Louis to Brazil?

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

  • Can I find deals for business class flights from St. Louis to Brazil?

    Yes. Cheapflights offers flight deals from St. Louis to Brazil 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 Brazil?

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Brazil

Discover the top 4 airlines that operate flights from St. Louis to Brazil. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$569Average$1,078FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$717Average$1,177FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$756Average$1,148FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$947Average$1,207FlexibilityNo cancel feeOn-time69%
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