HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brazil

$343+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GRU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Brazil with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,039
(United Airlines)

One-way from

$343
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$608
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. 15% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 7/156:00 amONT - GIG
1 stop22h 15mUnited Airlines
Thu 7/319:05 pmGIG - ONT
2 stops29h 47mUnited Airlines
Deal found 4/30$1,039
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 5/186:08 amONT - GRU
1 stop21h 27mUnited Airlines
Wed 5/289:50 pmGRU - ONT
2 stops18h 39mUnited Airlines
Deal found 4/28$1,053
This Priceline deal was found by Cheapflights users on 4/30. 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.
Thu 5/2911:25 pmONT - GIG
2 stops21h 00mAvianca
Wed 6/41:30 amGIG - ONT
2 stops24h 25mAvianca
Deal found 4/30$1,056
This Priceline deal was found by Cheapflights users on 4/29. 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.
Thu 5/2911:25 pmONT - GRU
2 stops21h 15mAvianca
Sat 6/73:05 amGRU - ONT
3 stops22h 50mAvianca
Deal found 4/29$1,074
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:00 pmONT - GRU
1 stop17h 00mDelta
Mon 11/310:50 pmGRU - ONT
1 stop25h 52mDelta
Deal found 4/29$1,114
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/107:00 amONT - REC
2 stops29h 45mUnited Airlines
Thu 7/3112:35 pmREC - ONT
2 stops37h 36mUnited Airlines
Deal found 4/30$1,118
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 6/181:09 amONT - GRU
3 stops38h 46mMultiple Airlines
Mon 6/301:45 amGRU - ONT
2 stops24h 10mMultiple Airlines
Deal found 4/29$1,157
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:59 pmONT - GIG
1 stop31h 16mDelta
Wed 11/59:30 pmGIG - ONT
1 stop18h 54mDelta
Deal found 4/29$1,212
This United deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:00 amONT - GIG
1 stop22h 15mMultiple Airlines
Sun 6/297:25 amGIG - ONT
2 stops42h 12mMultiple Airlines
Deal found 4/29$1,231
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/147:00 amONT - POA
2 stops26h 00mUnited Airlines
Sat 6/212:00 pmPOA - ONT
2 stops35h 10mUnited Airlines
Deal found 4/30$1,257
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:38 amONT - GRU
1 stop20h 37mAmerican Airlines
Sun 9/710:00 pmGRU - ONT
1 stop17h 22mAmerican Airlines
Deal found 4/29$1,279
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:15 amONT - GIG
2 stops22h 00mAmerican Airlines
Sun 6/294:05 pmGIG - ONT
2 stops25h 45mAmerican Airlines
Deal found 4/29$1,334

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 May 1, 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 7/15

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

Thu 7/31

9:05 pm-10:52 pm

2 stops29h 47m

$1,039

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 5/18

6:08 am-7:35 am

1 stop21h 27m

Sao Paulo Guarulhos Intl

Wed 5/28

9:50 pm-12:29 pm

2 stops18h 39m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 5/29

11:25 pm-12:25 am

2 stops21h 00m

Rio de Janeiro–Galeão Intl

Wed 6/4

1:30 am-9:55 pm

2 stops24h 25m

$1,056

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 5/29

11:25 pm-12:40 am

2 stops21h 15m

Sao Paulo Guarulhos Intl

Sat 6/7

3:05 am-9:55 pm

3 stops22h 50m

$1,074

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 10/24

12:00 pm-9:00 am

1 stop17h 00m

Sao Paulo Guarulhos Intl

Mon 11/3

10:50 pm-7:42 pm

1 stop25h 52m

$1,114

OntarioRecife

ONT - REC

ONTREC

Ontario

Thu 7/10

7:00 am-4:45 pm

2 stops29h 45m

Recife Guararapes Intl

Thu 7/31

12:35 pm-10:11 pm

2 stops37h 36m

$1,118

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 6/18

1:09 am-7:55 pm

3 stops38h 46m

Sao Paulo Guarulhos Intl

Mon 6/30

1:45 am-9:55 pm

2 stops24h 10m

$1,157

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sat 10/18

10:59 pm-10:15 am

1 stop31h 16m

Rio de Janeiro–Galeão Intl

Wed 11/5

9:30 pm-11:24 am

1 stop18h 54m

$1,212

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 6/23

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

Sun 6/29

7:25 am-9:37 pm

2 stops42h 12m

$1,231

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sat 6/14

7:00 am-1:00 pm

2 stops26h 00m

Porto Alegre Salgado Filho

Sat 6/21

2:00 pm-9:10 pm

2 stops35h 10m

$1,257

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 34 results
1
2
3
4

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, April is the cheapest month in which you can book a flight from Ontario to Brazil (average of $686). Flying from Ontario to Brazil 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.

Rainfall in Brazil by month

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

In terms of precipitation, rainfall in Brazil 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 Brazil when rainfall is around 0.8 in.

Temperature in Brazil by month

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

If weather is an important factor for your trip to Brazil, 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).

Reviews of airlines servicing Brazil

Get insights into the airlines that provide service to Brazil. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brazil. Reviews last updated May 1, 2025.
To help decide which airline to fly from Ontario to Brazil, see what other customers have to say about Delta, Copa Airlines and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,252 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $464 on Copa Airlines. Other airlines that offer cheap prices include Avianca from $495 and United Airlines from $518 one-way.

  • 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 - Recife Guararapes 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, April is the cheapest month in which you can book a flight from Ontario to Brazil (average of $686). Flying from Ontario to Brazil 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

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 Brazil

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Lima flights
Los Angeles to Jose Maria Cordova Intl flights
Los Angeles to Guarulhos Intl flights
Los Angeles to Bogotá flights
San Francisco to Lima flights
San Francisco to Jose Maria Cordova Intl flights
San Francisco to Ministro Pistarini flights
Los Angeles to Ministro Pistarini flights
Los Angeles to Viracopos flights
Los Angeles to Rio de Janeiro–Galeão Intl flights
San Francisco to Guarulhos Intl flights
Los Angeles to Cartagena flights
Los Angeles to Jorge Newbery flights
Ontario to Jose Maria Cordova Intl flights
Los Angeles to Congonhas flights
Los Angeles to Santiago flights
Los Angeles to Quito flights
San Francisco to Jorge Newbery flights
San Francisco to Rio de Janeiro–Galeão Intl flights
Ontario to Lima flights
San Francisco to Viracopos flights
San Francisco to Bogotá flights
Los Angeles to Santos Dumont flights
Ontario to Bogotá flights
Los Angeles to Cuzco flights
Las Vegas to Viracopos flights
Los Angeles to Recife flights
Las Vegas to Guarulhos Intl flights
San Francisco to Quito flights
Los Angeles to Guayaquil flights
Los Angeles to Cali flights
San Francisco to Santos Dumont flights
Ontario to Guarulhos Intl flights
Burbank to Jose Maria Cordova Intl flights
Los Angeles to Georgetown flights
San Francisco to Cuzco flights
San Francisco to Congonhas flights
Ontario to Ministro Pistarini flights
San Francisco to Cartagena flights
Las Vegas to Congonhas flights
Ontario to Cartagena flights
San Diego to Jose Maria Cordova Intl flights
San Diego to Lima flights
Ontario to Rio de Janeiro–Galeão Intl flights
San Francisco to Santiago flights
Santa Ana to Jose Maria Cordova Intl flights
Las Vegas to Lima flights
Las Vegas to Jose Maria Cordova Intl flights
San Francisco to Guayaquil flights
Los Angeles to Asuncion flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.