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Guarulhos Intl

$406+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GRU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$763
(Air Canada)

One-way from

$406
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$1,305
From Lambert-St Louis to Sao Paulo Guarulhos Intl
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One-way flight from Lambert-St Louis to Sao Paulo Guarulhos Intl
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Highest demand for flights based on searches. 28% potential increase in price ($482 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($140 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:05 pmSTL - GRU
2 stops37h 55mAir Canada
Wed 11/199:45 pmGRU - STL
2 stops20h 44mAir Canada
Deal found 9/10$763
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:05 pmSTL - GRU
1 stop16h 30mAir Canada
Sun 11/29:45 pmGRU - STL
2 stops20h 44mAir Canada
Deal found 9/11$813
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:57 amSTL - GRU
2 stops17h 33mMultiple Airlines
Sun 11/29:45 pmGRU - STL
2 stops20h 44mMultiple Airlines
Deal found 9/11$878
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:15 pmSTL - GRU
3 stops32h 25mMultiple Airlines
Sat 11/18:30 amGRU - STL
3 stops28h 32mMultiple Airlines
Deal found 9/9$892
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:00 amSTL - GRU
2 stops20h 30mCopa Airlines
Sat 11/11:40 amGRU - STL
2 stops20h 59mCopa Airlines
Deal found 9/10$910
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:00 amSTL - GRU
2 stops19h 30mCopa Airlines
Tue 11/181:40 amGRU - STL
2 stops18h 59mCopa Airlines
Deal found 9/10$986
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmSTL - GRU
2 stops37h 55mAir Canada
Wed 12/319:45 pmGRU - STL
2 stops44h 44mAir Canada
Deal found 9/9$993

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 September 11, 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 2/14

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Sat 2/21

9:30 pm-3:29 pm

1 stop20h 59m

$763

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

4:05 pm-9:00 am

1 stop13h 55m

Sao Paulo Guarulhos Intl

Wed 11/19

9:30 pm-3:29 pm

1 stop20h 59m

$763

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 10/25

9:15 am-9:30 am

2 stops22h 15m

Sao Paulo Guarulhos Intl

Sat 11/1

9:45 pm-4:29 pm

2 stops20h 44m

$763

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/5

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Mon 11/10

9:45 pm-3:29 pm

2 stops20h 44m

$763

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 1/20

4:05 pm-10:35 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Sun 2/1

9:45 pm-3:29 pm

2 stops20h 44m

$768

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 1/18

4:05 pm-10:35 am

1 stop15h 30m

Sao Paulo Guarulhos Intl

Sun 2/1

9:45 pm-3:29 pm

2 stops20h 44m

$768

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/8

7:52 pm-5:40 am

3 stops31h 48m

$406

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/29

4:05 pm-9:00 am

1 stop14h 55m

$471

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/8

9:20 am-7:35 am

2 stops20h 15m

$658

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/8

5:20 am-7:15 am

1 stop23h 55m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
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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, September is the cheapest month in which you can book a flight from St. Louis to Sao Paulo Guarulhos Intl Airport (average of $677). Flying from St. Louis to Sao Paulo Guarulhos Intl Airport 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 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 September 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from St. Louis to Sao Paulo Guarulhos Intl Airport by exploring options for tickets in the morning.

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

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 September 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
1,847 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 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 fly from St. Louis to Sao Paulo Guarulhos Intl Airport in about 37h 55m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5146 mi.

  • 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 38% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Sao Paulo Guarulhos Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $471. United Airlines flights start at $658 while deals on American Airlines start at $658 one-way.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Sao Paulo Guarulhos Intl Airport (average of $677). Flying from St. Louis to Sao Paulo Guarulhos Intl Airport 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

Traveling to a place near Sao Paulo Guarulhos Intl Airport?

Book flights to Sao Paulo Guarulhos Intl Airport if you plan to visit one of these locations
Guarulhos

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$756Average$1,163FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$758Average$767FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$761Average$1,218FlexibilityNo cancel feeOn-time71%
DeltaCheapest$858Average$1,209FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$938Average$1,286FlexibilityNo cancel feeOn-time69%

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