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).

How far in advance should I book a flight from Ontario to Rio de Janeiro?

Users have found that booking a flight from Ontario to Rio de Janeiro at least 35 days early can save you up to 11% on average compared to booking a flight this week. If booking 35 days before your flight isn’t an option for you, users have found flights from Ontario to Rio de Janeiro for as little as $642 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $811 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Rio de Janeiro?

January is one of the best times of the year to fly to Rio de Janeiro from Ontario. Prices for January average $780 per person but you can even find prices for as low as $506. The most expensive prices can be found in the month of December. Opting for a January flight can save you 44% on your journey compared to booking in December

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.

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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Cheap flight deals from Ontario to Rio de Janeiro

Round-trip from	$1,045 (United Airlines)
One-way from	$608 (United Airlines)
Popular in	December
Cheapest in	January
Average price	$740

From Ontario to Rio de Janeiro (RIO)

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

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Highest demand for flights based on searches. 4% potential increase in price ($36 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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 August 20, 2025.

Wed 10/86:00 amONT - GIG

1 stop22h 15mUnited Airlines

Wed 10/159:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/18

$1,045

Thu 11/136:05 amONT - GIG

1 stop22h 30mUnited Airlines

Mon 12/19:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 8/18

$1,053

Mon 11/176:38 pmONT - GIG

2 stops33h 57mUnited Airlines

Mon 12/19:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 8/18

$1,057

Sun 11/165:05 amONT - GIG

2 stops47h 30mUnited Airlines

Mon 12/19:55 pmGIG - ONT

2 stops27h 47mUnited Airlines

Deal found 8/18

$1,064

Sat 11/156:38 pmONT - GIG

2 stops57h 57mUnited Airlines

Mon 12/19:55 pmGIG - ONT

2 stops27h 47mUnited Airlines

Deal found 8/18

$1,065

Tue 10/79:36 amONT - GIG

2 stops18h 39mUnited Airlines

Mon 10/209:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/18

$1,070

Mon 10/276:00 amONT - GIG

2 stops23h 35mUnited Airlines

Sun 11/99:55 pmGIG - ONT

2 stops19h 38mUnited Airlines

Deal found 8/18

$1,085

Sun 12/281:40 pmONT - GIG

2 stops38h 55mUnited Airlines

Thu 1/89:55 pmGIG - ONT

2 stops27h 22mUnited Airlines

Deal found 8/19

$1,089

Wed 11/125:05 amONT - GIG

2 stops23h 30mUnited Airlines

Sat 11/299:55 pmGIG - ONT

2 stops51h 49mUnited Airlines

Deal found 8/18

$1,105

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 August 20, 2025.

Thu 11/136:00 amONT - GIG

2 stops22h 35mUnited Airlines

Mon 12/19:55 pmGIG - ONT

2 stops27h 47mUnited Airlines

Deal found 8/18

$1,045

Tue 10/149:36 amONT - GIG

2 stops18h 39mUnited Airlines

Mon 10/278:55 pmGIG - ONT

2 stops19h 36mUnited Airlines

Deal found 8/19

$1,045

Tue 10/76:00 amONT - GIG

1 stop22h 15mUnited Airlines

Mon 10/209:05 pmGIG - ONT

2 stops21h 57mUnited Airlines

Deal found 8/18

$1,045

Wed 10/89:36 amONT - GIG

2 stops18h 39mUnited Airlines

Wed 10/229:05 pmGIG - ONT

2 stops19h 46mUnited Airlines

Deal found 8/18

$1,045

Wed 10/86:00 amONT - GIG

1 stop22h 15mUnited Airlines

Wed 10/159:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/18

$1,045

Tue 11/185:05 amONT - GIG

2 stops23h 30mUnited Airlines

Mon 12/19:55 pmGIG - ONT

2 stops27h 47mUnited Airlines

Deal found 8/18

$1,045

Thu 10/99:36 amONT - GIG

2 stops18h 39mUnited Airlines

Mon 10/209:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/18

$1,045

Wed 11/125:05 amONT - GIG

2 stops23h 30mUnited Airlines

Mon 12/19:55 pmGIG - ONT

2 stops27h 47mUnited Airlines

Deal found 8/18

$1,045

Last-minute flights from Ontario to Rio de Janeiro
Discover last-minute flight deals from Ontario to Rio de Janeiro. Data last updated August 20, 2025 and is based on user searches.

Wed 8/276:04 amONT - GIG

1 stop22h 11mUnited Airlines

Wed 10/298:55 pmGIG - ONT

2 stops19h 38mUnited Airlines

Deal found 8/20

$1,316

Tue 9/211:25 pmONT - GIG

2 stops21h 00mAvianca

Mon 9/81:30 amGIG - ONT

2 stops24h 25mAvianca

Deal found 8/19

$1,212

Sun 9/146:04 amONT - GIG

1 stop22h 11mUnited Airlines

Sun 9/219:05 pmGIG - ONT

2 stops19h 27mUnited Airlines

Deal found 8/20

$1,384

Tue 9/1611:25 pmONT - GIG

2 stops26h 55mAvianca

Tue 9/237:25 amGIG - ONT

2 stops18h 30mAvianca

Deal found 8/18

$1,175

Wed 9/176:00 amONT - GIG

2 stops22h 15mUnited Airlines

Wed 9/249:05 pmGIG - ONT

2 stops19h 46mUnited Airlines

Deal found 8/20

$1,194

Thu 9/1811:25 pmONT - GIG

2 stops26h 55mAvianca

Thu 9/257:25 amGIG - ONT

2 stops18h 30mAvianca

Deal found 8/19

$1,117

Sun 9/286:00 amONT - GIG

1 stop22h 15mUnited Airlines

Wed 10/89:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/19

$1,160

Sun 9/286:00 amONT - GIG

1 stop22h 15mUnited Airlines

Thu 10/99:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/19

$1,298

Mon 9/299:36 amONT - GIG

2 stops18h 39mUnited Airlines

Thu 10/99:05 pmGIG - ONT

2 stops19h 08mUnited Airlines

Deal found 8/19

$1,258

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 August 20, 2025.

Mon 1/265:40 amONT - GIG

2 stops22h 55mUnited Airlines

Deal found 8/18

$608

Mon 12/15:05 amONT - GIG

2 stops23h 30mUnited Airlines

Deal found 8/18

$614

Mon 11/175:05 amONT - GIG

2 stops47h 30mUnited Airlines

Deal found 8/18

$635

Mon 2/166:00 amONT - GIG

2 stops46h 35mUnited Airlines

Deal found 8/18

$636

Mon 11/246:38 pmONT - GIG

2 stops57h 57mUnited Airlines

Deal found 8/18

$642

Sun 1/46:04 amONT - GIG

1 stop22h 31mUnited Airlines

Deal found 8/19

$648

Fri 1/21:40 pmONT - GIG

2 stops38h 55mUnited Airlines

Deal found 8/19

$676

Fri 11/211:40 pmONT - GIG

2 stops38h 55mUnited Airlines

Deal found 8/18

$683

Mon 10/135:05 amONT - GIG

2 stops23h 10mUnited Airlines

Deal found 8/18

$708

Tue 12/3011:56 amONT - GIG

1 stop15h 24mLATAM Airlines

Deal found 8/18

$710

Mon 9/156:38 pmONT - GIG

2 stops33h 37mUnited Airlines

Deal found 8/18

$714

Mon 11/311:36 amONT - GIG

2 stops20h 39mLATAM Airlines

Deal found 8/19

$724

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

Thu 11/13

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Mon 12/1

9:55 pm-8:42 pm

2 stops27h 47m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 10/14

9:36 am-8:15 am

2 stops18h 39m

Rio de Janeiro–Galeão Intl

Mon 10/27

8:55 pm-12:31 pm

2 stops19h 36m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 10/7

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

Mon 10/20

9:05 pm-3:02 pm

2 stops21h 57m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 10/8

9:36 am-8:15 am

2 stops18h 39m

Rio de Janeiro–Galeão Intl

Wed 10/22

9:05 pm-12:51 pm

2 stops19h 46m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 10/8

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

Wed 10/15

9:05 pm-12:13 pm

2 stops19h 08m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 11/18

5:05 am-9:35 am

2 stops23h 30m

Rio de Janeiro–Galeão Intl

Mon 12/1

9:55 pm-8:42 pm

2 stops27h 47m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 10/9

9:36 am-8:15 am

2 stops18h 39m

Rio de Janeiro–Galeão Intl

Mon 10/20

9:05 pm-12:13 pm

2 stops19h 08m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 11/12

5:05 am-9:35 am

2 stops23h 30m

Rio de Janeiro–Galeão Intl

Mon 12/1

9:55 pm-8:42 pm

2 stops27h 47m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/19

6:02 am-9:35 am

1 stop22h 33m

$608

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 1/6

6:02 am-9:35 am

1 stop22h 33m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 16 results

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, November is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro (average of $755). Flying from Ontario to Rio de Janeiro in December is currently the most expensive (average of $1,290). 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, November is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro (average of $755). Flying from Ontario to Rio de Janeiro in December is currently the most expensive (average of $1,290). 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.

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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 1/19. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Rio de Janeiro

Round-trip from

One-way from

Popular in

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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 August 20, 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 August 20, 2025.

Cheapflights Fare Finder

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

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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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 August 20, 2025.