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Sao Paulo

$339+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SAO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Ontario to Sao Paulo

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Sao Paulo (SAO). 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 August 20, 2025.

Round-trip from

$906
(Mytrip)

One-way from

$339
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$612
From Ontario to Sao Paulo (SAO)
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One-way flight from Ontario to Sao Paulo (SAO)
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Highest demand for flights based on searches. 19% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This Mytrip deal was found by Cheapflights users on 8/18. 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.
Tue 9/2311:25 pmONT - GRU
3 stops35h 55mAvianca
Fri 10/34:50 pmGRU - ONT
3 stops33h 05mAvianca
Deal found 8/18$906
This Mytrip deal was found by Cheapflights users on 8/20. 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.
Sat 9/1311:25 pmONT - GRU
2 stops21h 15mAvianca
Tue 9/234:10 amGRU - ONT
2 stops21h 45mAvianca
Deal found 8/20$1,069
This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:30 pmONT - GRU
2 stops19h 10mAvianca
Fri 10/311:20 amGRU - ONT
2 stops24h 35mAvianca
Deal found 8/20$1,074
This Priceline deal was found by Cheapflights users on 8/18. 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.
Sat 8/3011:25 pmONT - GRU
2 stops21h 15mAvianca
Mon 9/81:45 amGRU - ONT
2 stops24h 10mAvianca
Deal found 8/18$1,084
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2011:25 pmONT - GRU
2 stops21h 15mAvianca
Mon 9/291:45 amGRU - ONT
2 stops24h 10mAvianca
Deal found 8/19$1,088
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Thu 8/2811:25 pmONT - GRU
2 stops22h 45mAvianca
Mon 9/110:05 pmGRU - ONT
3 stops27h 50mAvianca
Deal found 8/18$1,089
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:25 pmONT - GRU
2 stops21h 15mAvianca
Mon 9/151:45 amGRU - ONT
2 stops24h 10mAvianca
Deal found 8/19$1,094
This KAYAK deal was found by Cheapflights users on 8/17. 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.
Mon 11/311:36 amONT - GRU
1 stop16h 59mLATAM Airlines
Tue 11/1111:45 pmGRU - ONT
1 stop16h 39mLATAM Airlines
Deal found 8/17$1,100
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:25 pmONT - GRU
2 stops22h 45mAvianca
Thu 9/257:20 amGRU - ONT
2 stops18h 35mAvianca
Deal found 8/19$1,101

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Sao Paulo 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 August 20, 2025.
Use the filters below to find and compare flights from Ontario to Sao Paulo that are best for you.

Fly from

Ontario

Fly to

Sao Paulo

Route

Depart

Return

Price

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 9/23

11:25 pm-3:20 pm

3 stops35h 55m

Sao Paulo Guarulhos Intl

Fri 10/3

4:50 pm-9:55 pm

3 stops33h 05m

$906

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 9/13

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Tue 9/23

4:10 am-9:55 pm

2 stops21h 45m

$1,069

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 10/28

11:30 pm-10:40 pm

2 stops19h 10m

Sao Paulo Guarulhos Intl

Fri 10/31

1:20 am-9:55 pm

2 stops24h 35m

$1,074

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 11/1

11:30 pm-1:35 am

2 stops22h 05m

Sao Paulo Guarulhos Intl

Sat 1/24

7:35 am-8:55 pm

2 stops18h 20m

$1,084

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 9/13

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Sat 9/20

7:20 am-9:55 pm

2 stops18h 35m

$1,084

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 9/27

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Tue 10/7

7:20 am-9:55 pm

2 stops18h 35m

$1,084

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 9/20

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Tue 9/30

4:10 am-9:55 pm

2 stops21h 45m

$1,084

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 10/4

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Thu 10/16

7:20 am-9:55 pm

2 stops18h 35m

$1,084

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 8/30

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Mon 9/8

1:45 am-9:55 pm

2 stops24h 10m

$1,084

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 9/15

9:11 pm-2:57 am

3 stops25h 46m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 19 results
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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, September is the cheapest month in which you can book a flight from Ontario to Sao Paulo (average of $672). Flying from Ontario to Sao Paulo 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.

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?

    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 Avianca fly from Ontario to Sao Paulo in about 35h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Ontario and Sao Paulo is about 6122 mi.

  • 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, September is the cheapest month in which you can book a flight from Ontario to Sao Paulo (average of $672). Flying from Ontario to Sao Paulo 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

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