How long is the flight from Ontario to Sao Paulo?

Airlines like United Airlines and Delta fly from Ontario to Sao Paulo in about 21h 50m. The time it takes to get you to your destination can typically vary by up to 30m. The distance between Ontario and Sao Paulo is about 6122 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sao Paulo ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit Sao Paulo when rainfall is around 0.8 in.

If weather is an important factor for your trip to Sao Paulo, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

What is the cheapest time of day to fly from ONT to SAO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Sao Paulo as you normally would.

Most accurate provider : When it comes to deals on Ontario-Sao Paulo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Sao Paulo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Sao Paulo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Sao Paulo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to Sao Paulo?

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

Can I find deals for flights from Ontario to Sao Paulo that include hotel bookings?

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

How can I find direct flights from Ontario to Sao Paulo?

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

Can I find deals for business class flights from Ontario to Sao Paulo?

Yes. Cheapflights offers flight deals from Ontario to Sao Paulo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$523+ Flights from Ontario to Sao Paulo, Brazil

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Sao Paulo

Cheapest flights from Ontario to Sao Paulo
Explore the most affordable flight options available from Ontario to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Sun 12/146:00 amONT - GRU

2 stops20h 15mUnited Airlines

Tue 12/1610:15 pmGRU - ONT

2 stops19h 17mUnited Airlines

Deal found 12/12

$1,370

Wed 12/2412:42 amONT - GRU

2 stops23h 58mMultiple Airlines

Thu 1/18:55 amGRU - ONT

2 stops18h 57mMultiple Airlines

Deal found 12/12

$1,456

Wed 12/2412:42 amONT - GRU

2 stops23h 58mMultiple Airlines

Wed 12/318:55 amGRU - ONT

2 stops18h 57mMultiple Airlines

Deal found 12/12

$1,506

Thu 12/186:04 amONT - GRU

1 stop22h 26mUnited Airlines

Thu 1/89:45 pmGRU - ONT

2 stops30h 08mUnited Airlines

Deal found 12/13

$1,532

Wed 12/2412:42 amONT - GRU

2 stops23h 58mMultiple Airlines

Tue 12/308:55 amGRU - ONT

2 stops18h 57mMultiple Airlines

Deal found 12/13

$1,550

Sun 12/211:40 pmONT - GRU

2 stops38h 50mUnited Airlines

Thu 1/19:45 pmGRU - ONT

2 stops28h 22mUnited Airlines

Deal found 12/15

$1,554

Fri 12/196:04 amONT - GRU

1 stop22h 26mUnited Airlines

Thu 1/19:45 pmGRU - ONT

2 stops28h 22mUnited Airlines

Deal found 12/14

$1,557

Fri 12/196:04 amONT - GRU

1 stop22h 26mUnited Airlines

Sun 12/289:45 pmGRU - ONT

2 stops19h 53mUnited Airlines

Deal found 12/14

$1,558

Mon 12/226:04 amONT - GRU

1 stop22h 26mUnited Airlines

Sat 1/1710:15 pmGRU - ONT

1 stop28h 43mUnited Airlines

Deal found 12/13

$1,568

Best flights from Ontario to Sao Paulo
Discover carefully curated flight deals from Ontario to Sao Paulo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Sun 1/1812:42 amONT - GRU

2 stops23h 58mMultiple Airlines

Tue 2/38:55 amGRU - ONT

2 stops18h 57mMultiple Airlines

Deal found 12/13

$1,012

Thu 2/56:10 amONT - GRU

1 stop22h 20mUnited Airlines

Tue 3/39:30 pmGRU - ONT

3 stops25h 11mUnited Airlines

Deal found 12/14

$1,090

Mon 2/25:10 pmONT - GRU

2 stops21h 50mDelta

Tue 3/179:00 pmGRU - ONT

2 stops28h 04mDelta

Deal found 12/14

$1,095

Tue 2/38:00 amONT - GRU

1 stop20h 30mUnited Airlines

Tue 3/39:30 pmGRU - ONT

3 stops25h 11mUnited Airlines

Deal found 12/14

$1,090

Mon 2/25:10 pmONT - GRU

2 stops21h 50mDelta

Wed 3/189:00 pmGRU - ONT

2 stops28h 04mDelta

Deal found 12/14

$1,095

Thu 2/56:10 amONT - GRU

1 stop22h 20mUnited Airlines

Mon 3/29:45 pmGRU - ONT

2 stops19h 58mUnited Airlines

Deal found 12/14

$1,095

Mon 2/21:10 pmONT - GRU

2 stops25h 50mDelta

Wed 3/49:15 pmGRU - ONT

1 stop19h 47mDelta

Deal found 12/14

$1,095

Thu 2/56:10 amONT - GRU

1 stop22h 20mUnited Airlines

Thu 3/199:30 pmGRU - ONT

2 stops19h 18mUnited Airlines

Deal found 12/14

$1,095

Tue 2/310:30 pmONT - GRU

2 stops27h 25mDelta

Mon 3/169:00 pmGRU - ONT

2 stops28h 04mDelta

Deal found 12/14

$1,095

Wed 2/188:00 amONT - GRU

1 stop20h 30mUnited Airlines

Wed 2/2510:15 pmGRU - ONT

2 stops19h 28mUnited Airlines

Deal found 12/12

$1,095

Thu 3/196:00 amONT - GRU

1 stop23h 30mUnited Airlines

Tue 3/319:50 pmGRU - ONT

2 stops23h 57mUnited Airlines

Deal found 12/12

$1,095

Tue 2/38:00 amONT - GRU

1 stop20h 30mUnited Airlines

Thu 3/59:45 pmGRU - ONT

2 stops20h 03mUnited Airlines

Deal found 12/14

$1,095

Last-minute flights from Ontario to Sao Paulo
Discover last-minute flight deals from Ontario to Sao Paulo. Data last updated December 15, 2025 and is based on user searches.

Sun 12/146:00 amONT - GRU

2 stops20h 15mUnited Airlines

Tue 12/1610:15 pmGRU - ONT

2 stops19h 17mUnited Airlines

Deal found 12/12

$1,370

Wed 1/78:00 amONT - GRU

1 stop20h 30mUnited Airlines

Wed 1/2110:15 pmGRU - ONT

2 stops19h 32mUnited Airlines

Deal found 12/14

$1,295

Mon 1/1212:42 amONT - GRU

2 stops23h 58mMultiple Airlines

Tue 1/208:55 amGRU - ONT

2 stops18h 57mMultiple Airlines

Deal found 12/14

$1,069

Tue 1/138:00 amONT - GRU

1 stop20h 30mUnited Airlines

Tue 1/2010:15 pmGRU - ONT

2 stops19h 32mUnited Airlines

Deal found 12/14

$1,245

Sun 1/1812:42 amONT - GRU

2 stops23h 58mMultiple Airlines

Tue 2/38:55 amGRU - ONT

2 stops18h 57mMultiple Airlines

Deal found 12/13

$1,012

Tue 1/208:00 amONT - GRU

1 stop20h 30mUnited Airlines

Thu 1/2210:15 pmGRU - ONT

2 stops19h 33mUnited Airlines

Deal found 12/14

$1,345

Wed 1/218:00 amONT - GRU

1 stop20h 30mUnited Airlines

Wed 3/49:45 pmGRU - ONT

2 stops20h 03mUnited Airlines

Deal found 12/14

$1,170

Wed 1/288:00 amONT - GRU

1 stop20h 30mUnited Airlines

Wed 2/410:15 pmGRU - ONT

1 stop28h 43mUnited Airlines

Deal found 12/14

$1,330

Sat 1/3110:30 pmONT - GRU

2 stops36h 45mAvianca

Fri 3/67:35 amGRU - ONT

2 stops42h 20mAvianca

Deal found 12/14

$1,361

One-way flights from Ontario to Sao Paulo
Search for one-way flight options from Ontario to Sao Paulo. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Tue 12/3011:02 pmONT - GRU

2 stops27h 33mMultiple Airlines

Deal found 12/14

$523

Mon 2/211:02 pmONT - GRU

3 stops25h 38mMultiple Airlines

Deal found 12/13

$551

Mon 2/911:02 pmONT - GRU

2 stops18h 38mMultiple Airlines

Deal found 12/13

$586

Sat 2/1410:30 pmONT - GRU

3 stops24h 47mMultiple Airlines

Deal found 12/14

$595

Tue 1/1310:30 pmONT - GRU

2 stops22h 05mAvianca

Deal found 12/14

$598

Wed 1/2811:59 pmONT - GRU

3 stops21h 41mMultiple Airlines

Deal found 12/14

$614

Sat 1/2410:30 pmONT - GRU

2 stops22h 05mAvianca

Deal found 12/14

$669

Tue 3/310:30 pmONT - GRU

2 stops19h 10mAvianca

Deal found 12/14

$672

Mon 3/1610:56 amONT - GRU

1 stop17h 14mAmerican Airlines

Deal found 12/15

$681

Find flight deals from Ontario to Sao Paulo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,012 (Mytrip)
One-way from	$523 (Mytrip)
Popular in	December
Cheapest in	February
Average price	$828

Provider with most accurate pricing for Ontario-Sao Paulo (SAO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Sao Paulo (SAO) flights.

Search Deals

From Ontario to Sao Paulo (SAO)

Search Deals

One-way flight from Ontario to Sao Paulo (SAO)

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($78 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 1/18

12:42 am-5:40 am

2 stops23h 58m

Sao Paulo Guarulhos Intl

Tue 2/3

8:55 am-10:52 pm

2 stops18h 57m

$1,012

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 2/5

6:10 am-9:30 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Tue 3/3

9:30 pm-5:41 pm

3 stops25h 11m

$1,090

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 2/3

8:00 am-9:30 am

1 stop20h 30m

Sao Paulo Guarulhos Intl

Tue 3/3

9:30 pm-5:41 pm

3 stops25h 11m

$1,090

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 2/2

5:10 pm-8:00 pm

2 stops21h 50m

Sao Paulo Guarulhos Intl

Tue 3/17

9:00 pm-9:04 pm

2 stops28h 04m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 2/2

5:10 pm-8:00 pm

2 stops21h 50m

Sao Paulo Guarulhos Intl

Wed 3/18

9:00 pm-9:04 pm

2 stops28h 04m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 2/5

6:10 am-9:30 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Mon 3/2

9:45 pm-12:43 pm

2 stops19h 58m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 2/2

1:10 pm-8:00 pm

2 stops25h 50m

Sao Paulo Guarulhos Intl

Wed 3/4

9:15 pm-12:02 pm

1 stop19h 47m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 2/5

6:10 am-9:30 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Thu 3/19

9:30 pm-12:48 pm

2 stops19h 18m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 2/3

10:30 pm-6:55 am

2 stops27h 25m

Sao Paulo Guarulhos Intl

Mon 3/16

9:00 pm-9:04 pm

2 stops28h 04m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 2/18

8:00 am-9:30 am

1 stop20h 30m

Sao Paulo Guarulhos Intl

Wed 2/25

10:15 pm-12:43 pm

2 stops19h 28m

$1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 24 results

Compare providers for flights from Ontario to Sao Paulo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Sao Paulo in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Sao Paulo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Sao Paulo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Sao Paulo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Sao Paulo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Sao Paulo

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

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Sao Paulo (average of $381). Flying from Ontario to Sao Paulo in December is currently the most expensive (average of $499). 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

What airport do you fly from for flights from Ontario to Sao Paulo?
Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Sao Paulo. You should not have trouble finding flights to Sao Paulo from Ontario; the airport handles an average of 0 outbound flights to Sao Paulo per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ontario airport to Sao Paulo. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.
How long is the flight from Ontario to Sao Paulo?
Airlines like United Airlines and Delta fly from Ontario to Sao Paulo in about 21h 50m. The time it takes to get you to your destination can typically vary by up to 30m. The distance between Ontario and Sao Paulo is about 6122 mi. This flight may include one or multiple stops.
Can I find deals for flights from Ontario to Sao Paulo that include hotel bookings?
Yes. In addition to deals on Ontario to Sao Paulo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Sao Paulo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Sao Paulo.
Can I find deals for business class flights from Ontario to Sao Paulo?
Yes. Cheapflights offers flight deals from Ontario to Sao Paulo 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?
Currently, May is the cheapest month in which you can book a flight from Ontario to Sao Paulo (average of $381). Flying from Ontario to Sao Paulo in December is currently the most expensive (average of $499). 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

Alternative routes for Ontario to Sao Paulo

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$523+ Cheap flights from Ontario (ONT) to Sao Paulo, Brazil (SAO)

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Sao Paulo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Sao Paulo

Cheapest flights from Ontario to Sao PauloExplore the most affordable flight options available from Ontario to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from Ontario to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find flight deals from Ontario to Sao Paulo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Sao Paulo that are best for you.

Compare providers for flights from Ontario to Sao Paulo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Sao Paulo in December.

Best time to book a flight from Ontario to Sao Paulo

Have a flexible travel schedule? Discover the best time to fly to Sao Paulo from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Sao Paulo

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

Related info for your journey

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

How long is the flight from Ontario to Sao Paulo?

Can I find deals for flights from Ontario to Sao Paulo that include hotel bookings?

How can I find direct flights from Ontario to Sao Paulo?

Can I find deals for business class flights from Ontario to Sao Paulo?

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

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.

Alternative routes for Ontario to Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.

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Cheapest flights from Ontario to Sao Paulo
Explore the most affordable flight options available from Ontario to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.