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

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $485. Avianca flights start at $505 while deals on American Airlines start at $551 one-way.

What are the most popular routes from Brazil to Ontario?

Most travelers choose Sao Paulo Guarulhos Intl - Ontario, Rio de Janeiro–Galeão Intl - Ontario or Porto Alegre Salgado Filho - Ontario when deciding on the best route from Brazil to Ontario.

How far in advance should I book a flight from Brazil to Ontario?

Travelers have found it’s best to book a flight 46 days in advance to save up to 29% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 46 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Brazil to Ontario 1-2 weeks in advance for as low as $527, or $634 for flights within the next 24 hours.

What is the cheapest month to fly from Brazil to Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, November can be a great choice for travel to Ontario. Flights to Ontario from Brazil in November are about $650 on average during November, but can be found for as low as $404.

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

When flying from Brazil to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Ontario from Brazil?

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

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

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

How can I find direct flights from Brazil to Ontario?

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

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

Yes. Cheapflights offers flight deals from Brazil 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.

$1,599+ Flights from Brazil to Ontario

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Cheap flight deals from Brazil to Ontario

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$896 (United Airlines)
One-way from	$485 (United Airlines)
Popular in	December
Cheapest in	November
Average price	$582

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

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

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From Brazil to Ontario

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One-way flight from Brazil to Ontario

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Highest demand for flights based on searches. 8% potential increase in price ($62 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Brazil to Ontario

Cheapest flights from Brazil to Ontario
Explore the most affordable flight options available from Brazil to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 25, 2025.

jue. 5/229:50 pmGRU - ONT

2 stops23h 35mUnited Airlines

jue. 5/296:00 amONT - GRU

1 stop21h 35mUnited Airlines

Deal found 4/24

$896

jue. 5/227:00 amCWB - ONT

2 stops19h 29mDelta

mié. 6/412:18 pmONT - CWB

2 stops22h 57mDelta

Deal found 4/25

$1,000

sáb. 9/204:10 amGRU - ONT

2 stops21h 45mAvianca

mar. 9/3011:25 pmONT - GRU

2 stops21h 15mAvianca

Deal found 4/24

$1,004

mar. 6/179:05 pmGIG - ONT

1 stop28h 05mUnited Airlines

mar. 7/296:00 amONT - GIG

1 stop22h 15mUnited Airlines

Deal found 4/24

$1,026

mié. 5/286:30 pmCWB - ONT

2 stops30h 40mUnited Airlines

jue. 6/56:00 amONT - CWB

2 stops25h 05mUnited Airlines

Deal found 4/24

$1,052

mié. 5/281:30 amGIG - ONT

2 stops24h 25mAvianca

mar. 6/311:25 pmONT - GIG

2 stops21h 00mAvianca

Deal found 4/25

$1,074

jue. 4/2410:05 amGRU - ONT

1 stop16h 31mDelta

jue. 5/17:00 amONT - GRU

1 stop18h 40mDelta

Deal found 4/23

$1,175

sáb. 4/266:35 pmPOA - ONT

2 stops31h 23mUnited Airlines

sáb. 5/36:08 amONT - POA

2 stops31h 47mUnited Airlines

Deal found 4/25

$1,221

jue. 5/110:00 pmGRU - ONT

1 stop15h 54mAmerican Airlines

sáb. 5/310:54 amONT - GRU

2 stops18h 06mAmerican Airlines

Deal found 4/24

$1,263

lun. 4/289:05 pmGIG - ONT

2 stops19h 33mMultiple Airlines

mar. 4/2911:25 pmONT - GIG

2 stops21h 00mMultiple Airlines

Deal found 4/25

$2,022

mié. 5/287:15 pmCWB - ONT

2 stops18h 43mAmerican Airlines

mié. 6/410:51 amONT - CWB

2 stops19h 49mAmerican Airlines

Deal found 4/25

$3,423

vie. 5/2311:00 pmGIG - ONT

2 stops18h 52mAmerican Airlines

sáb. 6/712:49 pmONT - GIG

2 stops17h 16mAmerican Airlines

Deal found 4/25

$5,596

Best flights from Brazil to Ontario
Discover carefully curated flight deals from Brazil to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 25, 2025.

jue. 5/229:50 pmGRU - ONT

2 stops23h 35mUnited Airlines

jue. 5/296:00 amONT - GRU

1 stop21h 35mUnited Airlines

Deal found 4/24

$896

jue. 5/227:00 amCWB - ONT

2 stops19h 29mDelta

mié. 6/412:18 pmONT - CWB

2 stops22h 57mDelta

Deal found 4/25

$1,000

sáb. 9/204:10 amGRU - ONT

2 stops21h 45mAvianca

mar. 9/3011:25 pmONT - GRU

2 stops21h 15mAvianca

Deal found 4/24

$1,004

lun. 6/3010:00 pmGRU - ONT

1 stop16h 04mAmerican Airlines

sáb. 7/2611:59 pmONT - GRU

1 stop27h 16mAmerican Airlines

Deal found 4/24

$1,404

mar. 6/179:05 pmGIG - ONT

1 stop28h 05mUnited Airlines

mar. 7/296:00 amONT - GIG

1 stop22h 15mUnited Airlines

Deal found 4/24

$1,026

mié. 5/281:30 amGIG - ONT

2 stops24h 25mAvianca

mar. 6/311:25 pmONT - GIG

2 stops21h 00mAvianca

Deal found 4/25

$1,074

mié. 5/286:30 pmCWB - ONT

2 stops30h 40mUnited Airlines

jue. 6/56:00 amONT - CWB

2 stops25h 05mUnited Airlines

Deal found 4/24

$1,052

mié. 5/287:15 pmCWB - ONT

2 stops18h 43mAmerican Airlines

mié. 6/410:51 amONT - CWB

2 stops19h 49mAmerican Airlines

Deal found 4/25

$3,423

mar. 5/69:40 pmGRU - ONT

2 stops20h 45mMultiple Airlines

mié. 5/216:00 amONT - GRU

2 stops23h 15mMultiple Airlines

Deal found 4/25

$7,863

vie. 5/2311:00 pmGIG - ONT

2 stops18h 52mAmerican Airlines

sáb. 6/712:49 pmONT - GIG

2 stops17h 16mAmerican Airlines

Deal found 4/25

$5,596

Last-minute flights from Brazil to Ontario
Discover last-minute flight deals from Brazil to Ontario. Data last updated abril 25, 2025 and is based on user searches.

vie. 4/2510:05 amGRU - ONT

1 stop16h 31mDelta

vie. 5/27:00 amONT - GRU

1 stop18h 40mDelta

Deal found 4/24

$1,205

vie. 4/259:40 pmGRU - ONT

2 stops18h 58mMultiple Airlines

vie. 5/26:08 amONT - GRU

2 stops23h 07mMultiple Airlines

Deal found 4/24

$2,832

sáb. 4/266:35 pmPOA - ONT

2 stops31h 23mUnited Airlines

sáb. 5/36:08 amONT - POA

2 stops31h 47mUnited Airlines

Deal found 4/25

$1,221

lun. 4/289:05 pmGIG - ONT

2 stops19h 33mMultiple Airlines

mar. 4/2911:25 pmONT - GIG

2 stops21h 00mMultiple Airlines

Deal found 4/25

$2,022

jue. 5/19:50 pmGRU - ONT

2 stops21h 19mUnited Airlines

mar. 6/176:00 amONT - GRU

2 stops21h 35mUnited Airlines

Deal found 4/24

$1,070

jue. 5/110:00 pmGRU - ONT

1 stop17h 45mAmerican Airlines

dom. 5/410:54 amONT - GRU

1 stop16h 21mAmerican Airlines

Deal found 4/24

$1,245

jue. 5/14:10 amGRU - ONT

2 stops21h 45mAvianca

mar. 6/1711:25 pmONT - GRU

2 stops21h 15mAvianca

Deal found 4/23

$1,493

jue. 5/110:50 pmGRU - ONT

1 stop16h 07mDelta

mar. 6/179:44 amONT - GRU

2 stops19h 16mDelta

Deal found 4/23

$9,516

jue. 5/229:50 pmGRU - ONT

2 stops23h 35mUnited Airlines

jue. 5/296:00 amONT - GRU

1 stop21h 35mUnited Airlines

Deal found 4/24

$896

jue. 5/227:00 amCWB - ONT

2 stops19h 29mDelta

mié. 6/412:18 pmONT - CWB

2 stops22h 57mDelta

Deal found 4/25

$1,000

sáb. 5/247:20 amGRU - ONT

2 stops18h 35mAvianca

sáb. 5/3111:25 pmONT - GRU

2 stops22h 45mAvianca

Deal found 4/24

$1,174

mié. 5/286:30 pmCWB - ONT

2 stops30h 40mUnited Airlines

jue. 6/56:00 amONT - CWB

2 stops25h 05mUnited Airlines

Deal found 4/24

$1,052

One-way flights from Brazil to Ontario
Search for one-way flight options from Brazil to Ontario. Find affordable one-way fares based on user searches. Data last updated abril 25, 2025.

jue. 5/89:50 pmGRU - ONT

1 stop28h 10mUnited Airlines

Deal found 4/24

$485

jue. 7/171:45 amGRU - ONT

2 stops21h 29mMultiple Airlines

Deal found 4/24

$499

mar. 8/267:20 amGRU - ONT

2 stops18h 35mAvianca

Deal found 4/24

$505

dom. 5/256:55 pmCWB - ONT

2 stops30h 15mUnited Airlines

Deal found 4/24

$533

sáb. 5/108:25 amPOA - ONT

2 stops41h 35mMultiple Airlines

Deal found 4/25

$540

jue. 5/110:00 pmGRU - ONT

1 stop17h 45mAmerican Airlines

Deal found 4/24

$551

sáb. 7/267:25 amGIG - ONT

2 stops18h 30mAvianca

Deal found 4/25

$562

jue. 9/410:05 amGRU - ONT

1 stop16h 24mDelta

Deal found 4/24

$574

mié. 8/69:05 pmGIG - ONT

1 stop28h 32mUnited Airlines

Deal found 4/25

$575

lun. 9/12:00 pmPOA - ONT

2 stops35h 25mUnited Airlines

Deal found 4/25

$585

lun. 6/211:00 pmGIG - ONT

2 stops18h 52mAmerican Airlines

Deal found 4/24

$672

sáb. 5/313:35 pmGIG - ONT

2 stops34h 51mMultiple Airlines

Deal found 4/24

$788

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

jue. 5/22

9:50 pm-5:25 pm

2 stops23h 35m

Ontario

jue. 5/29

6:00 am-7:35 am

1 stop21h 35m

$896

CuritibaOntario

CWB - ONT

CWBONT

Curitiba Afonso Pena

jue. 5/22

7:00 am-10:29 pm

2 stops19h 29m

Ontario

mié. 6/4

12:18 pm-3:15 pm

2 stops22h 57m

$1,000

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

sáb. 9/20

4:10 am-9:55 pm

2 stops21h 45m

Ontario

mar. 9/30

11:25 pm-12:40 am

2 stops21h 15m

$1,004

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

mar. 6/17

9:05 pm-9:10 pm

1 stop28h 05m

Ontario

mar. 7/29

6:00 am-8:15 am

1 stop22h 15m

$1,026

CuritibaOntario

CWB - ONT

CWBONT

Curitiba Afonso Pena

mié. 5/28

6:30 pm-9:10 pm

2 stops30h 40m

Ontario

jue. 6/5

6:00 am-11:05 am

2 stops25h 05m

$1,052

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

mié. 5/28

1:30 am-9:55 pm

2 stops24h 25m

Ontario

mar. 6/3

11:25 pm-12:25 am

2 stops21h 00m

$1,074

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

lun. 6/30

10:00 pm-10:04 am

1 stop16h 04m

Ontario

sáb. 7/26

11:59 pm-7:15 am

1 stop27h 16m

$1,404

CuritibaOntario

CWB - ONT

CWBONT

Curitiba Afonso Pena

mié. 5/28

7:15 pm-9:58 am

2 stops18h 43m

Ontario

mié. 6/4

10:51 am-10:40 am

2 stops19h 49m

$3,423

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

vie. 5/23

11:00 pm-1:52 pm

2 stops18h 52m

Ontario

sáb. 6/7

12:49 pm-10:05 am

2 stops17h 16m

$5,596

Sao PauloOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

mar. 5/6

9:40 pm-2:25 pm

2 stops20h 45m

Ontario

mié. 5/21

6:00 am-9:15 am

2 stops23h 15m

$7,863

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 24 results

Best time to book a flight from Brazil to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Brazil to Ontario (average of $246). Flying from Brazil to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Brazil to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

9,207 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Avianca

6.7

Okay

2,317 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Ontario from Brazil?
If you book a flight to Ontario from Brazil, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
What are the cheapest airlines to fly from Brazil to Ontario one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $485. Avianca flights start at $505 while deals on American Airlines start at $551 one-way.
What are the most popular routes from Brazil to Ontario?
Most travelers choose Sao Paulo Guarulhos Intl - Ontario, Rio de Janeiro–Galeão Intl - Ontario or Porto Alegre Salgado Filho - Ontario when deciding on the best route from Brazil to Ontario.
Can I find deals for flights from Brazil to Ontario that include hotel bookings?
Yes. In addition to deals on Brazil to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Brazil to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brazil to Ontario.
Can I find deals for business class flights from Brazil to Ontario?
Yes. Cheapflights offers flight deals from Brazil 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 Brazil to Ontario?
Currently, August is the cheapest month in which you can book a flight from Brazil to Ontario (average of $246). Flying from Brazil to Ontario in March is currently the most expensive (average of $328). 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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$485+ Cheap flights from Brazil 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Brazil to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Brazil to Ontario

Keep the following information in mind while searching for Brazil to Ontario flight deals. Data was last updated abril 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Brazil to Ontario

Cheapest flights from Brazil to OntarioExplore the most affordable flight options available from Brazil to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 25, 2025.

Explore the most affordable flight options available from Brazil to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 25, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Brazil to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Brazil to Ontario

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Brazil to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Brazil 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 Brazil?

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

What are the most popular routes from Brazil to Ontario?

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

How can I find direct flights from Brazil to Ontario?

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

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

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 Brazil to Ontario

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

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Book with Flexibility

Travel Smart

Cheapest flights from Brazil to Ontario
Explore the most affordable flight options available from Brazil to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 25, 2025.