How long is the flight from Ontario to Rio de Janeiro?

United Airlines can get you from Ontario to Rio de Janeiro in just under 22h 35m. Your travel time can differ by up to . Airlines will cover a distance of 6258 mi.

In terms of precipitation, rainfall in Rio de Janeiro ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro when rainfall is around 1.6 in.

If weather is an important factor for your trip to Rio de Janeiro, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Rio de Janeiro as you normally would.

Most accurate provider : When it comes to deals on Ontario-Rio de Janeiro flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Rio de Janeiro flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Rio de Janeiro flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Rio de Janeiro flights, Cheapflights users trust eDreams the most. eDreams 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-Rio de Janeiro flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to Rio de Janeiro?

If you book a flight to Rio de Janeiro 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. There are 0 flights from Ontario to Rio de Janeiro per day from 0 different airlines.

Can I find deals for flights from Ontario to Rio de Janeiro that include hotel bookings?

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

How can I find direct flights from Ontario to Rio de Janeiro?

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

Can I find deals for business class flights from Ontario to Rio de Janeiro?

Yes. Cheapflights offers flight deals from Ontario to Rio de Janeiro by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$608+ Flights from Ontario to Rio de Janeiro, Brazil

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1. Tell us where you want to go

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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.

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Find flight deals from Ontario to Rio de Janeiro

Cheapest flights from Ontario to Rio de Janeiro
Explore the most affordable flight options available from Ontario to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 23, 2025.

Sun 12/146:41 pmONT - GIG

2 stops33h 54mUnited Airlines

Mon 12/229:55 pmGIG - ONT

2 stops43h 43mUnited Airlines

Deal found 11/22

$1,326

Wed 12/246:04 amONT - GIG

1 stop22h 31mUnited Airlines

Wed 12/319:55 pmGIG - ONT

2 stops28h 12mUnited Airlines

Deal found 11/21

$1,439

Tue 12/231:40 pmONT - GIG

2 stops38h 55mUnited Airlines

Wed 12/319:55 pmGIG - ONT

2 stops28h 12mUnited Airlines

Deal found 11/21

$1,460

Mon 12/156:00 amONT - GIG

2 stops22h 35mUnited Airlines

Thu 12/259:55 pmGIG - ONT

2 stops24h 48mUnited Airlines

Deal found 11/21

$1,549

Thu 12/2510:42 amONT - GIG

2 stops41h 53mUnited Airlines

Wed 12/319:55 pmGIG - ONT

2 stops28h 12mUnited Airlines

Deal found 11/21

$1,579

Best flights from Ontario to Rio de Janeiro
Discover carefully curated flight deals from Ontario to Rio de Janeiro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 23, 2025.

Wed 2/46:00 amONT - GIG

2 stops22h 35mUnited Airlines

Tue 2/179:55 pmGIG - ONT

2 stops27h 55mUnited Airlines

Deal found 11/22

$1,045

Wed 1/218:00 amONT - GIG

1 stop20h 35mUnited Airlines

Wed 2/259:55 pmGIG - ONT

2 stops24h 46mUnited Airlines

Deal found 11/22

$1,045

Mon 1/126:00 amONT - GIG

1 stop22h 35mUnited Airlines

Mon 1/199:55 pmGIG - ONT

2 stops29h 58mUnited Airlines

Deal found 11/21

$1,045

Tue 2/248:00 amONT - GIG

1 stop20h 35mUnited Airlines

Wed 3/49:55 pmGIG - ONT

2 stops27h 55mUnited Airlines

Deal found 11/21

$1,045

Thu 1/296:00 amONT - GIG

1 stop22h 35mUnited Airlines

Thu 2/59:55 pmGIG - ONT

1 stop29h 03mUnited Airlines

Deal found 11/22

$1,078

Mon 2/236:00 amONT - GIG

2 stops22h 35mUnited Airlines

Fri 3/69:55 pmGIG - ONT

2 stops24h 43mUnited Airlines

Deal found 11/21

$1,085

Fri 4/106:00 amONT - GIG

1 stop22h 15mUnited Airlines

Mon 4/209:05 pmGIG - ONT

2 stops19h 33mUnited Airlines

Deal found 11/22

$1,085

Sun 3/16:00 amONT - GIG

1 stop22h 35mUnited Airlines

Mon 3/98:55 pmGIG - ONT

2 stops19h 54mUnited Airlines

Deal found 11/22

$1,085

Last-minute flights from Ontario to Rio de Janeiro
Discover last-minute flight deals from Ontario to Rio de Janeiro. Data last updated November 23, 2025 and is based on user searches.

Sun 12/146:41 pmONT - GIG

2 stops33h 54mUnited Airlines

Mon 12/229:55 pmGIG - ONT

2 stops43h 43mUnited Airlines

Deal found 11/22

$1,326

Mon 12/156:00 amONT - GIG

1 stop22h 35mUnited Airlines

Thu 12/259:55 pmGIG - ONT

2 stops24h 48mUnited Airlines

Deal found 11/21

$1,549

Tue 12/231:40 pmONT - GIG

2 stops38h 55mUnited Airlines

Wed 12/319:55 pmGIG - ONT

2 stops28h 12mUnited Airlines

Deal found 11/21

$1,460

Wed 12/246:04 amONT - GIG

1 stop22h 31mUnited Airlines

Wed 12/319:55 pmGIG - ONT

2 stops28h 12mUnited Airlines

Deal found 11/21

$1,439

Thu 12/2510:42 amONT - GIG

2 stops41h 53mUnited Airlines

Wed 12/319:55 pmGIG - ONT

2 stops28h 12mUnited Airlines

Deal found 11/21

$1,579

One-way flights from Ontario to Rio de Janeiro
Search for one-way flight options from Ontario to Rio de Janeiro. Find affordable one-way fares based on user searches. Data last updated November 23, 2025.

Mon 2/235:00 amONT - GIG

2 stops23h 35mUnited Airlines

Deal found 11/21

$608

Sun 2/221:45 pmONT - GIG

2 stops38h 50mUnited Airlines

Deal found 11/21

$614

Wed 12/246:04 amONT - GIG

1 stop22h 31mUnited Airlines

Deal found 11/21

$708

Tue 2/106:00 amONT - GIG

2 stops22h 35mUnited Airlines

Deal found 11/21

$714

Tue 12/235:05 amONT - GIG

2 stops47h 30mUnited Airlines

Deal found 11/21

$737

Fri 1/26:10 amONT - GIG

1 stop22h 25mUnited Airlines

Deal found 11/21

$748

Mon 12/226:39 pmONT - GIG

2 stops33h 56mUnited Airlines

Deal found 11/21

$756

Sun 12/2811:59 pmONT - GIG

1 stop27h 21mAmerican Airlines

Deal found 11/22

$789

Sun 12/146:41 pmONT - GIG

2 stops33h 54mUnited Airlines

Deal found 11/22

$814

Cheap flight deals from Ontario to Rio de Janeiro

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,041 (Delta)
One-way from	$608 (United Airlines)
Popular in	December
Cheapest in	January
Average price	$729

Provider with most accurate pricing for Ontario-Rio de Janeiro (RIO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Rio de Janeiro (RIO) flights.

Search Deals

From Ontario to Rio de Janeiro (RIO)

Search Deals

One-way flight from Ontario to Rio de Janeiro (RIO)

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 2/4

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Tue 2/17

9:55 pm-8:50 pm

2 stops27h 55m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 1/21

8:00 am-9:35 am

1 stop20h 35m

Rio de Janeiro–Galeão Intl

Wed 2/25

9:55 pm-5:41 pm

2 stops24h 46m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/12

6:00 am-9:35 am

1 stop22h 35m

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 2/24

8:00 am-9:35 am

1 stop20h 35m

Rio de Janeiro–Galeão Intl

Wed 3/4

9:55 pm-8:50 pm

2 stops27h 55m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 1/29

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Thu 2/5

9:55 pm-9:58 pm

1 stop29h 03m

$1,078

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 2/23

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Fri 3/6

9:55 pm-5:38 pm

2 stops24h 43m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 4/10

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

Mon 4/20

9:05 pm-12:38 pm

2 stops19h 33m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 3/1

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Mon 3/9

8:55 pm-12:49 pm

2 stops19h 54m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 2/23

5:00 am-9:35 am

2 stops23h 35m

$608

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 2/22

6:00 am-9:35 am

1 stop22h 35m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 15 results

Compare providers for flights from Ontario to Rio de Janeiro

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Rio de Janeiro in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 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-Rio de Janeiro flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Rio de Janeiro flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Rio de Janeiro flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Rio de Janeiro flights, Cheapflights users trust eDreams the most. eDreams 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-Rio de Janeiro 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 Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro 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 Rio de Janeiro

What is the cheapest month to book a flight from Ontario to Rio de Janeiro?

Currently, January is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro (average of $489). Flying from Ontario to Rio de Janeiro in July is currently the most expensive (average of $783). 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.

Related info for your journey

What airport do you fly from for flights from Ontario to Rio de Janeiro?
If you book a flight to Rio de Janeiro 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. There are 0 flights from Ontario to Rio de Janeiro per day from 0 different airlines.
How long is the flight from Ontario to Rio de Janeiro?
United Airlines can get you from Ontario to Rio de Janeiro in just under 22h 35m. Your travel time can differ by up to . Airlines will cover a distance of 6258 mi.
Can I find deals for flights from Ontario to Rio de Janeiro that include hotel bookings?
Yes. In addition to deals on Ontario to Rio de Janeiro flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Rio de Janeiro?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Rio de Janeiro.
Can I find deals for business class flights from Ontario to Rio de Janeiro?
Yes. Cheapflights offers flight deals from Ontario to Rio de Janeiro 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 Rio de Janeiro?
Currently, January is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro (average of $489). Flying from Ontario to Rio de Janeiro in July is currently the most expensive (average of $783). 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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$608+ Cheap flights from Ontario (ONT) to Rio de Janeiro, Brazil (RIO)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Rio de Janeiro with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Ontario to Rio de Janeiro

Cheapest flights from Ontario to Rio de JaneiroExplore the most affordable flight options available from Ontario to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 23, 2025.

Explore the most affordable flight options available from Ontario to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 23, 2025.

Cheap flight deals from Ontario to Rio de Janeiro

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Ontario to Rio de Janeiro

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 Rio de Janeiro in November.

Best time to book a flight from Ontario to Rio de Janeiro

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Rio de Janeiro

What is the cheapest month to book a flight from Ontario to Rio de Janeiro?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Rio de Janeiro. 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 Rio de Janeiro?

How long is the flight from Ontario to Rio de Janeiro?

Can I find deals for flights from Ontario to Rio de Janeiro that include hotel bookings?

How can I find direct flights from Ontario to Rio de Janeiro?

Can I find deals for business class flights from Ontario to Rio de Janeiro?

What is the cheapest month to book a flight from Ontario to Rio de Janeiro?

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Alternative routes for Ontario to Rio de Janeiro

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Cheapest flights from Ontario to Rio de Janeiro
Explore the most affordable flight options available from Ontario to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 23, 2025.