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$406+ Cheap flights from Guarulhos Intl, Brazil (GRU) to Ontario (ONT)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — ONT
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Cheap flight deals from Guarulhos Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Guarulhos Intl (GRU) to Ontario (ONT). 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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,086
(LATAM Airlines)

One-way from

$406
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$498
Provider with most accurate pricing for Sao Paulo (SAO)-Los Angeles flight deals.
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From Sao Paulo Guarulhos Intl to Ontario
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One-way flight from Sao Paulo Guarulhos Intl to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Guarulhos Intl to Ontario

Cheapest flights from Guarulhos Intl to Ontario
Explore the most affordable flight options available from Guarulhos Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/258:55 amGRU - ONT
2 stops18h 57mMultiple Airlines
mar. 12/211:02 pmONT - GRU
2 stops25h 38mMultiple Airlines
Deal found 11/4$1,115
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/279:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
mar. 1/276:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/4$1,127
This United Airlines deal was found by Cheapflights users on 11/5. 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.
sáb. 12/279:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
mié. 1/76:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/5$1,133
This United Airlines deal was found by Cheapflights users on 11/5. 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.
mar. 12/2310:15 pmGRU - ONT
1 stop28h 37mUnited Airlines
mar. 1/66:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/5$1,158
This Mytrip deal was found by Cheapflights users on 11/5. 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.
mié. 11/268:55 amGRU - ONT
2 stops18h 57mMultiple Airlines
mar. 12/212:42 amONT - GRU
2 stops23h 58mMultiple Airlines
Deal found 11/5$1,163
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/279:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
vie. 1/236:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/4$1,167
This United Airlines deal was found by Cheapflights users on 11/5. 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.
sáb. 12/279:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
vie. 1/96:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/5$1,173
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/299:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
lun. 1/266:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/4$1,180
This United Airlines deal was found by Cheapflights users on 11/5. 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.
vie. 12/269:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
mar. 1/66:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/5$1,186
This Mytrip deal was found by Cheapflights users on 11/6. 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.
mié. 11/198:55 amGRU - ONT
2 stops18h 57mMultiple Airlines
mar. 11/2512:42 amONT - GRU
2 stops23h 58mMultiple Airlines
Deal found 11/6$1,190
This United Airlines deal was found by Cheapflights users on 11/5. 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.
mar. 12/1610:15 pmGRU - ONT
2 stops29h 34mUnited Airlines
vie. 1/166:00 amONT - GRU
1 stop22h 30mUnited Airlines
Deal found 11/5$1,198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Guarulhos Intl to Ontario 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 noviembre 6, 2025.
Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to Ontario that are best for you.

Fly from

Guarulhos Intl

Fly to

Ontario

Route

Depart

Return

Price

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sáb. 12/27

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

mié. 1/28

6:00 am-9:30 am

1 stop22h 30m

$1,127

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sáb. 12/27

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

mié. 1/7

6:00 am-9:30 am

1 stop22h 30m

$1,133

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sáb. 12/27

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

mar. 1/6

6:00 am-9:30 am

1 stop22h 30m

$1,133

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sáb. 12/27

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

jue. 1/8

6:00 am-9:30 am

1 stop22h 30m

$1,133

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

mar. 12/23

10:15 pm-9:52 pm

1 stop28h 37m

Ontario

jue. 1/8

6:00 am-9:30 am

1 stop22h 30m

$1,158

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sáb. 12/27

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

sáb. 1/24

6:00 am-9:30 am

1 stop22h 30m

$1,167

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

mié. 12/24

10:15 pm-9:52 pm

1 stop28h 37m

Ontario

vie. 1/9

6:00 am-9:30 am

1 stop22h 30m

$1,167

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

lun. 12/29

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

lun. 1/26

6:00 am-9:30 am

1 stop22h 30m

$1,180

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

lun. 12/29

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

mar. 1/27

6:00 am-9:30 am

1 stop22h 30m

$1,180

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

vie. 12/26

9:45 pm-10:25 pm

1 stop29h 40m

Ontario

lun. 1/5

11:59 pm-7:15 am

1 stop26h 16m

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 22 results
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Best time to book a flight from Guarulhos Intl to Ontario

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

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

Currently, October is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Ontario (average of $299). Flying from Sao Paulo Guarulhos Intl Airport to Ontario in August is currently the most expensive (average of $435). 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.

Related info for your journey

Find useful and relevant information for your journey from Guarulhos Intl to Ontario. 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 Ontario from Sao Paulo Guarulhos Intl?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Sao Paulo Guarulhos Intl. Booking flights from Sao Paulo Guarulhos Intl to Ontario (ONT) 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 Ontario?

    Airlines like United Airlines fly from Sao Paulo Guarulhos Intl Airport to Ontario in about 29h 40m. The time it takes to get you to your destination can typically vary by up to . The distance between Sao Paulo Guarulhos Intl Airport and Ontario is about 6122 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Ontario (average of $299). Flying from Sao Paulo Guarulhos Intl Airport to Ontario in August is currently the most expensive (average of $435). 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

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