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$527+ Cheap flights from Guarulhos Intl, Brazil (GRU) to St. Louis (STL)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — STL
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Guarulhos Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Guarulhos Intl (GRU) to St. Louis (STL). 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 septiembre 16, 2025.

Round-trip from

$781
(Air Canada)

One-way from

$527
(Delta)

Popular in

December

Cheapest in

May

Average price

$1,066
From Sao Paulo Guarulhos Intl to Lambert-St Louis
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One-way flight from Sao Paulo Guarulhos Intl to Lambert-St Louis
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Highest demand for flights based on searches. 9% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 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 Guarulhos Intl to St. Louis

Cheapest flights from Guarulhos Intl to St. Louis
Explore the most affordable flight options available from Guarulhos Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/69:30 pmGRU - STL
1 stop20h 59mAir Canada
dom. 11/164:05 pmSTL - GRU
1 stop15h 30mAir Canada
Deal found 9/16$781
This Air Canada deal was found by Cheapflights users on 9/14. 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.
jue. 10/169:00 pmGRU - STL
2 stops20h 18mAir Canada
mié. 10/294:05 pmSTL - GRU
1 stop14h 55mAir Canada
Deal found 9/14$788
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/69:30 pmGRU - STL
1 stop20h 59mMultiple Airlines
dom. 11/164:05 pmSTL - GRU
2 stops23h 10mMultiple Airlines
Deal found 9/16$803
This Air Canada deal was found by Cheapflights users on 9/15. 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.
lun. 12/89:30 pmGRU - STL
1 stop20h 59mAir Canada
vie. 12/264:05 pmSTL - GRU
2 stops37h 55mAir Canada
Deal found 9/15$906

Cheapflights Fare Finder

 
Customize your flight search to find flights from Guarulhos Intl to St. Louis 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to St. Louis that are best for you.

Fly from

Guarulhos Intl

Fly to

St. Louis

Route

Depart

Return

Price

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

jue. 10/16

9:00 pm-3:18 pm

2 stops20h 18m

Lambert-St Louis

mié. 10/29

4:05 pm-9:00 am

1 stop14h 55m

$788

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

jue. 11/6

9:30 pm-3:29 pm

1 stop20h 59m

Lambert-St Louis

dom. 11/16

4:05 pm-6:15 pm

2 stops23h 10m

$803

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

lun. 12/8

9:30 pm-3:29 pm

1 stop20h 59m

Lambert-St Louis

vie. 12/26

4:05 pm-9:00 am

2 stops37h 55m

$906

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

mar. 10/14

9:40 pm-7:38 pm

1 stop23h 58m

Lambert-St Louis

mar. 10/21

9:15 am-9:40 am

2 stops22h 25m

$989

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

mié. 2/18

9:45 pm-3:29 pm

2 stops20h 44m

Lambert-St Louis

dom. 2/22

4:05 pm-10:35 am

1 stop15h 30m

$1,011

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

mié. 12/24

12:55 pm-9:07 am

2 stops23h 12m

$527

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

mar. 1/13

11:45 pm-11:40 pm

1 stop26h 55m

$527

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

lun. 12/22

4:00 am-11:39 pm

2 stops22h 39m

$527

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

jue. 12/25

7:35 am-11:39 pm

2 stops19h 04m

$527

Sao PauloSt. Louis

GRU - STL

GRUSTL

Sao Paulo Guarulhos Intl

vie. 12/26

7:35 am-11:39 pm

2 stops19h 04m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 11 results
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Best time to book a flight from Guarulhos Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Guarulhos Intl 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 Sao Paulo Guarulhos Intl Airport to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to St. Louis (average of $311). Flying from Sao Paulo Guarulhos Intl Airport to St. Louis in March is currently the most expensive (average of $356). 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.

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

Related info for your journey

Find useful and relevant information for your journey from Guarulhos Intl to St. Louis. 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 into for flights to St. Louis from Sao Paulo Guarulhos Intl?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Sao Paulo Guarulhos Intl. Booking flights from Sao Paulo Guarulhos Intl to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from Sao Paulo Guarulhos Intl from 0 different airlines.

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

    There are many flights that can get you from Sao Paulo Guarulhos Intl Airport to St. Louis in 20h 18m. Fly via Air Canada to get the fastest option. The distance between Sao Paulo Guarulhos Intl Airport and St. Louis is about 5146 mi.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to St. Louis (average of $311). Flying from Sao Paulo Guarulhos Intl Airport to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis?

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