HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guarulhos Intl

$338+ Cheap flights from St. Louis (STL) to Guarulhos Intl, Brazil (GRU)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GRU
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Guarulhos Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Guarulhos Intl

Cheapest flights from St. Louis to Guarulhos Intl
Explore the most affordable flight options available from St. Louis to Guarulhos Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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 12/2411:05 amSTL - GRU
1 stop17h 10mUnited Airlines
Wed 12/3110:15 pmGRU - STL
1 stop14h 34mUnited Airlines
Deal found 12/2$1,283
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sat 12/204:27 pmSTL - GRU
2 stops34h 18mMultiple Airlines
Tue 1/2012:55 pmGRU - STL
1 stop13h 38mMultiple Airlines
Deal found 12/2$1,287
This KAYAK deal was found by Cheapflights users on 12/2. 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 12/318:15 amGRU - STL
2 stops27h 43mLATAM Airlines
Deal found 12/2$1,317
This Delta deal was found by Cheapflights users on 12/4. 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 12/246:00 amSTL - GRU
1 stop20h 40mDelta
Wed 12/314:35 pmGRU - STL
2 stops19h 23mDelta
Deal found 12/4$1,325
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Sat 12/206:35 pmSTL - GRU
1 stop33h 40mUnited Airlines
Tue 1/2010:15 pmGRU - STL
1 stop14h 07mUnited Airlines
Deal found 12/2$1,381
This LATAM Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/106:00 amSTL - GRU
1 stop20h 40mLATAM Airlines
Fri 1/1610:15 amGRU - STL
2 stops16h 24mLATAM Airlines
Deal found 12/2$1,389
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/101:00 pmSTL - GRU
2 stops17h 30mUnited Airlines
Fri 1/169:30 pmGRU - STL
2 stops17h 59mUnited Airlines
Deal found 12/3$1,391
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/124:45 pmSTL - GRU
1 stop13h 45mUnited Airlines
Thu 1/159:45 pmGRU - STL
1 stop19h 45mUnited Airlines
Deal found 12/2$1,403
This FlightHub deal was found by Cheapflights users on 12/3. 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 12/266:00 amSTL - GRU
2 stops20h 20mLATAM Airlines
Fri 1/910:55 pmGRU - STL
2 stops27h 44mLATAM Airlines
Deal found 12/3$1,416

Find flight deals from St. Louis to Guarulhos Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Guarulhos Intl (GRU). 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$772
(Air Canada)

One-way from

$338
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$1,364
Provider with most accurate pricing for Lambert-St Louis-Sao Paulo Guarulhos Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Sao Paulo Guarulhos Intl flights.
Search Deals
From Lambert-St Louis to Sao Paulo Guarulhos Intl
Search Deals
One-way flight from Lambert-St Louis to Sao Paulo Guarulhos Intl
Search Deals
Highest demand for flights based on searches. 38% potential increase in price ($857 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 21% potential price decrease ($247 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 Guarulhos Intl 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 4, 2025.
Use the filters below to find and compare flights from St. Louis to Sao Paulo Guarulhos Intl Airport that are best for you.

Fly from

St. Louis

Fly to

Guarulhos Intl

Route

Depart

Return

Price

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 2/14

11:00 am-10:35 pm

2 stops32h 35m

Sao Paulo Guarulhos Intl

Sat 2/21

1:55 pm-10:26 am

2 stops23h 31m

$1,047

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 2/3

6:02 pm-10:55 pm

2 stops25h 53m

Sao Paulo Guarulhos Intl

Fri 2/13

6:05 pm-10:05 pm

2 stops31h 00m

$1,049

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 2/3

4:05 pm-10:35 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Fri 2/13

9:45 pm-3:29 pm

2 stops20h 44m

$1,072

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 6/1

5:30 pm-4:30 pm

2 stops21h 00m

Sao Paulo Guarulhos Intl

Tue 6/9

6:00 am-11:59 pm

2 stops19h 59m

$1,089

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 6/1

5:00 pm-8:50 am

1 stop13h 50m

Sao Paulo Guarulhos Intl

Tue 6/9

8:30 pm-2:37 pm

2 stops20h 07m

$1,113

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 5/27

11:51 am-5:40 am

1 stop15h 49m

Sao Paulo Guarulhos Intl

Mon 6/8

10:50 pm-6:02 pm

1 stop21h 12m

$1,128

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 2/3

3:11 pm-7:15 am

1 stop13h 04m

Sao Paulo Guarulhos Intl

Fri 2/13

10:15 pm-3:38 pm

1 stop20h 23m

$1,130

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 2/14

5:00 pm-9:35 am

1 stop13h 35m

Sao Paulo Guarulhos Intl

Sat 2/21

11:45 pm-5:51 pm

1 stop21h 06m

$1,162

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

4:27 pm-5:40 am

2 stops34h 13m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 18 results
1
2

Compare providers for flights from St. Louis to Guarulhos Intl

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 Guarulhos Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Guarulhos Intl Airport 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 Guarulhos Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Sao Paulo Guarulhos Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Sao Paulo Guarulhos Intl Airport 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 Guarulhos Intl Airport 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 Guarulhos Intl

Have a flexible travel schedule? Discover the best time to fly to Guarulhos Intl 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 Guarulhos Intl Airport

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

Currently, July is the cheapest month in which you can book a flight from St. Louis to Sao Paulo Guarulhos Intl Airport (average of $465). Flying from St. Louis to Sao Paulo Guarulhos Intl Airport 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 GRU?

Find hourly flight availability from St. Louis to Guarulhos Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 13% on flights from St. Louis to Sao Paulo Guarulhos Intl Airport by exploring options for tickets in the morning.

Reviews of airlines servicing Guarulhos Intl

Get insights into the airlines that provide service to Guarulhos Intl. 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 Guarulhos Intl. Reviews last updated December 4, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and United Airlines from St. Louis to Sao Paulo Guarulhos Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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.
LATAM Airlines
7.5
Good
1,890 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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.
American Airlines
7.2
Good
11,044 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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.
Air Canada
7.1
Good
10,500 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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 Guarulhos Intl. 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 Guarulhos Intl?

    If you book a flight to Sao Paulo Guarulhos Intl from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Sao Paulo Guarulhos Intl per day from 5 different airlines.

  • How long is the flight from St. Louis to Sao Paulo Guarulhos Intl Airport?

    Airlines like Air Canada and GOL fly from St. Louis to Sao Paulo Guarulhos Intl Airport in about 32h 35m. The time it takes to get you to your destination can typically vary by up to 5h 20m. Airlines will cover a distance of 5146 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Sao Paulo Guarulhos Intl Airport round-trip?

    Flying on LATAM Airlines is currently your cheapest option to Sao Paulo Guarulhos Intl Airport, with prices starting at $756. Additional round-trip tickets that might be worth considering are offered by Air Canada and American Airlines, with the lowest prices starting at $758 and $761, respectively. Users have found that LATAM Airlines is 45% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Guarulhos Intl 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 Guarulhos Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to Sao Paulo Guarulhos Intl Airport (average of $465). Flying from St. Louis to Sao Paulo Guarulhos Intl Airport 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Guarulhos Intl

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

Top 5 airlines flying from St. Louis to Guarulhos Intl

Discover the top 5 airlines that operate flights from St. Louis to Guarulhos Intl. 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 4, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.