HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$393+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — ONT
fev 21 — fev 281
sáb 2/21
sáb 2/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Guarulhos Intl to Ontario 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 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 janeiro 22, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/19. 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.
qui 2/2610:55 pm
GRU
-
ONT
2 stops18h 07m
LATAM Airlines
seg 3/1612:57 pm
ONT
-
GRU
1 stop16h 38m
LATAM Airlines
Deal found 1/19$772
This LATAM Airlines deal was found by Cheapflights users on 1/19. 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.
ter 3/311:45 pm
GRU
-
ONT
1 stop17h 17m
LATAM Airlines
sex 3/1312:57 pm
ONT
-
GRU
1 stop16h 38m
LATAM Airlines
Deal found 1/19$879
This Mytrip deal was found by Cheapflights users on 1/20. 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.
qua 2/251:20 am
GRU
-
ONT
3 stops26h 32m
Multiple Airlines
qua 3/1111:02 pm
ONT
-
GRU
3 stops26h 38m
Multiple Airlines
Deal found 1/20$901
This Mytrip deal was found by Cheapflights users on 1/22. 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.
qua 3/111:20 am
GRU
-
ONT
3 stops25h 32m
Multiple Airlines
ter 3/2412:42 am
ONT
-
GRU
3 stops24h 58m
Multiple Airlines
Deal found 1/22$921
This Mytrip deal was found by Cheapflights users on 1/21. 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.
seg 2/21:00 am
GRU
-
ONT
3 stops26h 52m
Multiple Airlines
seg 2/912:42 am
ONT
-
GRU
3 stops21h 43m
Multiple Airlines
Deal found 1/21$1,023
This Mytrip deal was found by Cheapflights users on 1/20. 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.
seg 2/91:20 am
GRU
-
ONT
3 stops26h 32m
Multiple Airlines
seg 2/1612:42 am
ONT
-
GRU
3 stops23h 58m
Multiple Airlines
Deal found 1/20$1,035
This Mytrip deal was found by Cheapflights users on 1/22. 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.
ter 2/178:45 am
GRU
-
ONT
2 stops19h 07m
Multiple Airlines
seg 2/2312:42 am
ONT
-
GRU
2 stops23h 58m
Multiple Airlines
Deal found 1/22$1,042
This Mytrip deal was found by Cheapflights users on 1/20. 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.
seg 2/95:25 pm
GRU
-
ONT
3 stops31h 46m
Multiple Airlines
dom 2/1512:42 am
ONT
-
GRU
3 stops23h 58m
Multiple Airlines
Deal found 1/20$1,046
This 123 Milhas deal was found by Cheapflights users on 1/22. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/177:35 am
GRU
-
ONT
2 stops18h 20m
Avianca
ter 2/2410:30 pm
ONT
-
GRU
2 stops22h 05m
Avianca
Deal found 1/22$1,052

Find 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 janeiro 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$772
(LATAM Airlines)

One-way from

$393
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$710
Provider with most accurate pricing for Sao Paulo (SAO)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sao Paulo (SAO)-Los Angeles flights.
Search Deals
From Sao Paulo Guarulhos Intl to Ontario
Search Deals
One-way flight from Sao Paulo Guarulhos Intl to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 janeiro 22, 2026.
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

ter 3/3

11:45 pm-12:02 pm

1 stop17h 17m

Ontario

sex 3/13

12:57 pm-9:35 am

1 stop16h 38m

$879

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

qua 2/25

1:20 am-10:52 pm

3 stops26h 32m

Ontario

qua 3/11

11:02 pm-5:40 am

3 stops26h 38m

$901

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

seg 2/9

1:20 am-10:52 pm

3 stops26h 32m

Ontario

seg 2/16

12:42 am-5:40 am

3 stops23h 58m

$1,035

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

qui 3/19

9:45 pm-12:18 pm

2 stops18h 33m

Ontario

seg 4/13

6:05 am-6:45 am

1 stop20h 40m

$1,100

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

qui 3/19

9:45 pm-12:48 pm

2 stops19h 03m

Ontario

qua 4/15

5:10 am-6:45 am

2 stops21h 35m

$1,103

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

seg 2/2

5:25 pm-10:52 pm

3 stops34h 27m

Ontario

seg 2/9

11:59 pm-4:15 pm

3 stops35h 16m

$1,127

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sex 7/10

9:50 pm-5:47 pm

3 stops23h 57m

Ontario

sáb 8/1

5:00 am-9:30 am

2 stops24h 30m

$1,130

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

ter 2/3

2:40 am-6:44 pm

3 stops21h 04m

$446

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

qua 1/28

2:40 am-10:52 pm

3 stops25h 12m

$449

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

ter 1/27

2:40 am-10:52 pm

3 stops25h 12m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 17 results
1
2

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, November is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Ontario (average of $284). Flying from Sao Paulo Guarulhos Intl Airport to Ontario in February is currently the most expensive (average of $459). 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 LATAM Airlines fly from Sao Paulo Guarulhos Intl Airport to Ontario in about 17h 17m. 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, November is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Ontario (average of $284). Flying from Sao Paulo Guarulhos Intl Airport to Ontario in February is currently the most expensive (average of $459). 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.

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.
Site
Cookie settings©2026 Cheapflights