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Sao Paulo

$343+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SAO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,053
(United Airlines)

One-way from

$343
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$608
Provider with most accurate pricing for Ontario-Sao Paulo (SAO) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Sao Paulo (SAO) flights.
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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. 15% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

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 4/29. 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 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 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 MaxMilhas 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:05 amONT - GRU
2 stops22h 10mAir Canada
Thu 5/19:00 pmGRU - ONT
2 stops22h 09mAir Canada
Deal found 4/29$1,746
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/210:54 amONT - GRU
2 stops28h 56mIberia
Sun 8/36:00 pmGRU - ONT
2 stops32h 58mIberia
Deal found 4/30$2,624

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 May 1, 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

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

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

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

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 9/4

6:38 am-7:15 am

1 stop20h 37m

Sao Paulo Guarulhos Intl

Sun 9/7

10:00 pm-11:22 am

1 stop17h 22m

$1,279

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 7/2

10:54 am-7:50 pm

2 stops28h 56m

Sao Paulo Guarulhos Intl

Sun 8/3

6:00 pm-10:58 pm

2 stops32h 58m

$2,624

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 6/14

9:11 pm-2:15 am

3 stops25h 04m

$343

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 6/3

6:41 pm-8:50 pm

2 stops22h 09m

$489

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 5/15

6:00 am-7:35 am

2 stops21h 35m

$518

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 7/3

11:25 pm-5:35 am

2 stops26h 10m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Sao Paulo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Sao Paulo in May.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Sao Paulo flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Sao Paulo flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Sao Paulo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Sao Paulo flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Rainfall in Sao Paulo by month

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

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

Temperature in Sao Paulo by month

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

If weather is an important factor for your trip to Sao Paulo, 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 Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. 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 Sao Paulo. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines and United Airlines from Ontario to Sao Paulo. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

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
1,414 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

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

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

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
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

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 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.

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

    $489 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on United Airlines and Avianca, with prices starting from $518 and $522, respectively.

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

Traveling to a place near Ontario?

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