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$377+ Cheap flights from Ontario (ONT) to Brazil

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GRU
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find flight deals from Ontario to Brazil

Cheapest flights from Ontario to Brazil
Explore the most affordable flight options available from Ontario to Brazil. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:42 amONT - GIG
3 stops27h 43mMultiple Airlines
Thu 1/155:10 amGIG - ONT
3 stops22h 42mMultiple Airlines
Deal found 11/19$1,189
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amONT - GRU
1 stop19h 15mUnited Airlines
Tue 12/1610:15 pmGRU - ONT
2 stops19h 02mUnited Airlines
Deal found 11/18$1,295
This KAYAK deal was found by Cheapflights users on 11/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:05 amONT - GRU
1 stop17h 35mLATAM Airlines
Wed 11/2611:45 pmGRU - ONT
1 stop16h 07mLATAM Airlines
Deal found 11/18$1,332
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:00 amONT - GRU
1 stop19h 15mUnited Airlines
Thu 12/49:45 pmGRU - ONT
2 stops30h 04mUnited Airlines
Deal found 11/18$1,340
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:38 pmONT - GRU
2 stops31h 37mUnited Airlines
Mon 11/2410:15 pmGRU - ONT
2 stops19h 18mUnited Airlines
Deal found 11/17$1,345
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 pmONT - GIG
2 stops38h 55mUnited Airlines
Thu 1/159:55 pmGIG - ONT
2 stops29h 58mUnited Airlines
Deal found 11/19$1,353
This Mytrip deal was found by Cheapflights users on 11/18. 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 11/2512:42 amONT - GRU
2 stops23h 58mMultiple Airlines
Thu 12/118:55 amGRU - ONT
2 stops18h 57mMultiple Airlines
Deal found 11/18$1,354
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:39 pmONT - GIG
2 stops33h 56mUnited Airlines
Thu 1/159:55 pmGIG - ONT
2 stops29h 58mUnited Airlines
Deal found 11/19$1,354
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:42 amONT - GRU
3 stops34h 43mMultiple Airlines
Thu 12/48:55 amGRU - ONT
2 stops18h 57mMultiple Airlines
Deal found 11/19$1,366
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:00 amONT - GRU
1 stop19h 15mUnited Airlines
Mon 11/2410:15 pmGRU - ONT
2 stops19h 22mUnited Airlines
Deal found 11/18$1,370
This Rumbo deal was found by Cheapflights users on 11/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:05 amONT - GRU
1 stop17h 35mLATAM Airlines
Thu 12/1111:45 pmGRU - ONT
1 stop16h 17mLATAM Airlines
Deal found 11/19$1,372
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:02 pmONT - GRU
2 stops25h 38mMultiple Airlines
Fri 11/288:55 amGRU - ONT
2 stops18h 57mMultiple Airlines
Deal found 11/17$1,378

Cheap flight deals from Ontario to Brazil

Keep the following information in mind while searching for Ontario to Brazil flight deals. Data was last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$905
(Mytrip)

One-way from

$377
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$645
Provider with most accurate pricing for Los Angeles-Sao Paulo (SAO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Sao Paulo (SAO) flights.
Search Deals
From Ontario to Brazil
Search Deals
One-way flight from Ontario to Brazil
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Ontario

Fly to

Brazil

Route

Depart

Return

Price

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 2/3

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Tue 2/10

9:55 pm-12:47 pm

2 stops19h 52m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 1/11

6:39 pm-9:35 am

2 stops33h 56m

Rio de Janeiro–Galeão Intl

Mon 1/19

9:55 pm-10:53 pm

2 stops29h 58m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 1/20

6:10 am-9:35 am

1 stop22h 25m

Rio de Janeiro–Galeão Intl

Wed 2/4

9:55 pm-12:47 pm

2 stops19h 52m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 1/13

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Tue 1/20

9:55 pm-12:47 pm

2 stops19h 52m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 2/4

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Sun 3/15

8:55 pm-5:41 pm

2 stops24h 46m

$1,085

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 4/8

5:10 am-6:45 am

2 stops21h 35m

Sao Paulo Guarulhos Intl

Tue 4/21

9:50 pm-12:20 pm

2 stops18h 30m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 2/11

6:10 am-9:30 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Mon 2/23

10:15 pm-12:38 pm

2 stops19h 23m

$1,095

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 2/2

6:10 am-9:30 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Wed 2/11

9:45 pm-12:43 pm

2 stops19h 58m

$1,095

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sat 1/10

6:32 pm-9:35 am

2 stops34h 03m

Rio de Janeiro–Galeão Intl

Tue 1/20

9:55 pm-9:58 pm

1 stop29h 03m

$1,098

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 1/8

6:10 am-9:35 am

1 stop22h 25m

Rio de Janeiro–Galeão Intl

Fri 1/23

9:55 pm-5:51 pm

2 stops24h 56m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Brazil

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

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Brazil (average of $264). Flying from Ontario to Brazil 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.

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

Find hourly flight availability from Ontario to Brazil. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

It’s optimal to fly from Ontario to Brazil in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

    If you book a flight to Brazil from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Ontario to Brazil?

    United Airlines, Delta, and LATAM Airlines can get you from Ontario to Brazil in just under 22h 35m. Your travel time can differ by up to 21h 21m. Airlines will cover a distance of 6258 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Brazil one-way?

    One-way options have recently been found by users for as low as $604 on United Airlines. Other airlines that offer cheap prices include LATAM Airlines from $724 and Delta from $789 one-way.

  • What are the most popular routes from Ontario to Brazil?

    Most travelers choose Ontario - Rio de Janeiro–Galeão Intl, Ontario - Sao Paulo Guarulhos Intl or Ontario - Belo Horizonte Tancredo Neves Intl when deciding on the best route from Ontario to Brazil.

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

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

  • How can I find direct flights from Ontario to Brazil?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Brazil 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 Brazil?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Brazil (average of $264). Flying from Ontario to Brazil 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

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