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Guarulhos Intl

$385+ Cheap flights from Ontario (ONT) 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GRU
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
1 adult, Economy
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Cheap flight deals from Ontario to Guarulhos Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 julio 28, 2025.

Round-trip from

$908
(Mytrip)

One-way from

$385
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$780
From Ontario to Sao Paulo Guarulhos Intl
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One-way flight from Ontario to Sao Paulo Guarulhos Intl
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Highest demand for flights based on searches. 19% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Guarulhos Intl

Cheapest flights from Ontario to Guarulhos Intl
Explore the most affordable flight options available from Ontario to Guarulhos Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2411:34 pmONT - GRU
3 stops21h 38mMultiple Airlines
dom. 12/77:45 pmGRU - ONT
3 stops27h 59mMultiple Airlines
Deal found 7/27$908
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/610:30 pmONT - GRU
2 stops21h 15mAvianca
lun. 11/104:10 amGRU - ONT
2 stops21h 50mAvianca
Deal found 7/25$969
This United Airlines deal was found by Cheapflights users on 7/26. 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.
mié. 11/267:00 amONT - GRU
1 stop19h 15mUnited Airlines
jue. 12/49:45 pmGRU - ONT
2 stops30h 04mUnited Airlines
Deal found 7/26$1,089
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/2612:00 pmONT - GRU
1 stop16h 35mLATAM Airlines
jue. 12/411:45 pmGRU - ONT
1 stop16h 39mLATAM Airlines
Deal found 7/26$1,129
This Delta deal was found by Cheapflights users on 7/28. 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.
vie. 11/141:00 pmONT - GRU
2 stops26h 00mDelta
vie. 11/2811:45 pmGRU - ONT
1 stop24h 57mDelta
Deal found 7/28$1,173

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 julio 28, 2025.
Use the filters below to find and compare flights from Ontario to Sao Paulo Guarulhos Intl Airport that are best for you.

Fly from

Ontario

Fly to

Guarulhos Intl

Route

Depart

Return

Price

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

lun. 11/24

11:34 pm-2:12 am

3 stops21h 38m

Sao Paulo Guarulhos Intl

dom. 12/7

7:45 pm-6:44 pm

3 stops27h 59m

$908

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

jue. 11/6

10:30 pm-12:45 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

lun. 11/10

4:10 am-9:00 pm

2 stops21h 50m

$969

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

mié. 11/26

7:00 am-7:15 am

1 stop19h 15m

Sao Paulo Guarulhos Intl

jue. 12/4

9:45 pm-10:49 pm

2 stops30h 04m

$1,089

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

mié. 11/26

12:00 pm-9:35 am

1 stop16h 35m

Sao Paulo Guarulhos Intl

jue. 12/4

11:45 pm-11:24 am

1 stop16h 39m

$1,129

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

vie. 11/14

1:00 pm-8:00 pm

2 stops26h 00m

Sao Paulo Guarulhos Intl

vie. 11/28

11:45 pm-7:42 pm

1 stop24h 57m

$1,173

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

mié. 8/13

9:11 pm-2:15 am

3 stops25h 04m

$385

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

jue. 9/18

11:25 pm-2:10 am

2 stops22h 45m

$412

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

mié. 8/20

6:50 pm-8:50 pm

2 stops22h 00m

$519

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

lun. 12/1

12:00 pm-9:35 am

1 stop16h 35m

$604

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

jue. 12/25

6:52 am-5:40 am

1 stop17h 48m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results
1
2

Best time to book a flight from Ontario to Guarulhos Intl

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

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Sao Paulo Guarulhos Intl Airport (average of $678). Flying from Ontario 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.

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 julio 28, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines, and Copa Airlines from Ontario to Sao Paulo Guarulhos Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
1,821 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
1,493 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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
8,892 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

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 Ontario 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 Ontario to Sao Paulo Guarulhos Intl?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Sao Paulo Guarulhos Intl. You should not have trouble finding flights to Sao Paulo Guarulhos Intl from Ontario; the airport handles an average of 0 outbound flights to Sao Paulo Guarulhos Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Ontario airport to Sao Paulo Guarulhos Intl. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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

    Avianca, at $969, was found to be the cheapest airline from Ontario to Sao Paulo Guarulhos Intl Airport.Alternate airlines to your destination round-trip include United Airlines and LATAM Airlines.

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

    The cheapest airlines for a one-way flight from Ontario to Sao Paulo Guarulhos Intl Airport are Avianca ($412), Copa Airlines ($519), and LATAM Airlines ($604).

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

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

  • How can I find direct flights from Ontario to Guarulhos Intl?

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

  • Can I find deals for business class flights from Ontario to Guarulhos Intl?

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Sao Paulo Guarulhos Intl Airport (average of $678). Flying from Ontario 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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Top airline flying from Ontario to Guarulhos Intl

Discover the top airline that operate flights from Ontario 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 julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$893Average$1,292FlexibilityNo cancel feeOn-time71%

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