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$417+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GRU
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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 12/231:40 pmONT - GIG
2 stops38h 55mUnited Airlines
Mon 2/29:55 pmGIG - ONT
2 stops28h 03mUnited Airlines
Deal found 12/2$1,299
This KAYAK deal was found by Cheapflights users on 12/2. 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 12/312:12 pmONT - GRU
1 stop16h 23mLATAM Airlines
Wed 12/1011:45 pmGRU - ONT
1 stop16h 17mLATAM Airlines
Deal found 12/2$1,332
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/176:00 amONT - GRU
1 stop22h 30mUnited Airlines
Tue 1/209:45 pmGRU - ONT
2 stops20h 02mUnited Airlines
Deal found 12/3$1,337
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/2211:59 pmONT - GRU
1 stop26h 16mUnited Airlines
Tue 12/309:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
Deal found 12/3$1,357
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Fri 12/125:05 amONT - GRU
2 stops23h 25mUnited Airlines
Wed 12/3110:15 pmGRU - ONT
1 stop28h 37mUnited Airlines
Deal found 12/2$1,385
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/136:41 pmONT - GRU
2 stops33h 49mUnited Airlines
Tue 12/309:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
Deal found 12/2$1,386
This Mytrip deal was found by Cheapflights users on 12/2. 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 12/410:30 pmONT - GRU
2 stops22h 05mAvianca
Wed 12/105:25 pmGRU - ONT
2 stops32h 30mAvianca
Deal found 12/2$1,387
This Mytrip deal was found by Cheapflights users on 12/2. 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 12/2312:42 amONT - GRU
3 stops35h 53mMultiple Airlines
Sun 12/289:20 pmGRU - ONT
3 stops30h 32mMultiple Airlines
Deal found 12/2$1,451
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Mon 12/296:39 pmONT - GIG
2 stops33h 56mUnited Airlines
Mon 1/129:55 pmGIG - ONT
2 stops29h 58mUnited Airlines
Deal found 12/4$1,452
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/221:40 pmONT - GRU
2 stops38h 50mUnited Airlines
Wed 12/3110:15 pmGRU - ONT
1 stop28h 37mUnited Airlines
Deal found 12/2$1,464
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Fri 12/126:00 amONT - GRU
1 stop22h 30mUnited Airlines
Tue 12/309:45 pmGRU - ONT
1 stop29h 40mUnited Airlines
Deal found 12/2$1,467
This Ovago deal was found by Cheapflights users on 12/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:15 amONT - GIG
1 stop16h 05mLATAM Airlines
Fri 1/29:30 pmGIG - ONT
1 stop17h 30mLATAM Airlines
Deal found 12/2$1,558

Find flight deals from Ontario to Brazil

Keep the following information in mind while searching for Ontario to Brazil flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$875
(Mytrip)

One-way from

$417
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$926
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. 14% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 4, 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

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 1/20

12:42 am-5:40 am

2 stops23h 58m

Sao Paulo Guarulhos Intl

Thu 1/29

8:55 am-10:52 pm

2 stops18h 57m

$958

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 1/12

11:02 pm-5:40 am

2 stops25h 38m

Sao Paulo Guarulhos Intl

Fri 1/30

1:20 am-10:52 pm

2 stops26h 32m

$995

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 1/12

12:42 am-5:40 am

2 stops23h 58m

Sao Paulo Guarulhos Intl

Tue 1/27

8:55 am-10:52 pm

2 stops18h 57m

$1,005

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 2/27

11:02 pm-1:35 am

2 stops21h 33m

Sao Paulo Guarulhos Intl

Sat 3/7

7:35 am-10:52 pm

2 stops20h 17m

$1,011

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 5/11

6:53 pm-8:15 am

2 stops33h 22m

Rio de Janeiro–Galeão Intl

Tue 5/19

9:05 pm-12:33 pm

2 stops19h 28m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 2/17

8:00 am-9:35 am

1 stop20h 35m

Rio de Janeiro–Galeão Intl

Tue 3/3

9:55 pm-5:41 pm

2 stops24h 46m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 2/5

6:10 am-9:35 am

1 stop22h 25m

Rio de Janeiro–Galeão Intl

Mon 3/2

9:55 pm-8:50 pm

2 stops27h 55m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 3/17

6:00 am-9:35 am

1 stop23h 35m

Rio de Janeiro–Galeão Intl

Tue 3/24

8:55 pm-12:18 pm

2 stops19h 23m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 2/24

8:00 am-9:35 am

1 stop20h 35m

Rio de Janeiro–Galeão Intl

Tue 4/21

9:05 pm-5:47 pm

3 stops24h 42m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 1/28

8:00 am-9:35 am

1 stop20h 35m

Rio de Janeiro–Galeão Intl

Wed 2/11

9:55 pm-8:50 pm

2 stops27h 55m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 July is currently the most expensive (average of $491). 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 December 4, 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, Avianca, and LATAM Airlines can get you from Ontario to Brazil in just under 22h 05m. Your travel time can differ by up to 11h 17m. Airlines will cover a distance of 6122 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Ontario - Sao Paulo Guarulhos Intl, Ontario - Rio de Janeiro–Galeão Intl or Ontario - Florianopolis Hercilio Luz 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 July is currently the most expensive (average of $491). 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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