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.

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.

$551+ Flights from Ontario to Rio de Janeiro, Brazil

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Rio de Janeiro 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 Rio de Janeiro

Round-trip from	$1,045 (United Airlines)
One-way from	$551 (Mytrip)
Popular in	December
Cheapest in	January
Average price	$737

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. 4% potential increase in price ($36 potential increase over avg. RT price).

Search Deals

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

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 septiembre 17, 2025.

mar. 11/186:00 amONT - GIG

2 stops22h 35mUnited Airlines

mar. 11/259:55 pmGIG - ONT

2 stops19h 38mUnited Airlines

Deal found 9/15

$1,045

mar. 12/26:00 amONT - GIG

1 stop22h 35mUnited Airlines

mar. 12/99:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 9/16

$1,053

mar. 12/95:05 amONT - GIG

2 stops23h 30mUnited Airlines

mar. 12/239:55 pmGIG - ONT

1 stop28h 57mUnited Airlines

Deal found 9/16

$1,057

lun. 11/36:00 amONT - GIG

2 stops22h 35mUnited Airlines

lun. 11/109:55 pmGIG - ONT

2 stops19h 36mUnited Airlines

Deal found 9/14

$1,070

lun. 11/106:00 amONT - GIG

2 stops22h 35mUnited Airlines

dom. 11/239:55 pmGIG - ONT

2 stops19h 42mUnited Airlines

Deal found 9/15

$1,085

lun. 11/176:05 amONT - GIG

1 stop22h 30mUnited Airlines

dom. 11/309:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 9/15

$1,093

dom. 11/161:29 pmONT - GIG

2 stops39h 06mUnited Airlines

dom. 11/309:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 9/16

$1,117

jue. 10/306:05 amONT - GIG

1 stop23h 30mUnited Airlines

jue. 11/69:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 9/15

$1,128

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 septiembre 17, 2025.

mar. 11/186:00 amONT - GIG

2 stops22h 35mUnited Airlines

mar. 11/259:55 pmGIG - ONT

2 stops19h 38mUnited Airlines

Deal found 9/15

$1,045

lun. 11/36:05 amONT - GIG

1 stop22h 30mUnited Airlines

lun. 11/109:55 pmGIG - ONT

2 stops19h 36mUnited Airlines

Deal found 9/14

$1,045

jue. 1/86:00 amONT - GIG

1 stop22h 35mUnited Airlines

lun. 1/199:55 pmGIG - ONT

1 stop29h 03mUnited Airlines

Deal found 9/16

$1,053

mar. 12/96:00 amONT - GIG

1 stop22h 35mUnited Airlines

mar. 12/239:55 pmGIG - ONT

1 stop28h 57mUnited Airlines

Deal found 9/16

$1,053

mar. 1/66:00 amONT - GIG

1 stop22h 35mUnited Airlines

mar. 1/209:55 pmGIG - ONT

1 stop29h 03mUnited Airlines

Deal found 9/16

$1,053

jue. 1/86:00 amONT - GIG

1 stop22h 35mUnited Airlines

mar. 1/209:55 pmGIG - ONT

2 stops19h 19mUnited Airlines

Deal found 9/16

$1,070

lun. 2/26:00 amONT - GIG

2 stops22h 35mUnited Airlines

jue. 2/129:55 pmGIG - ONT

2 stops19h 23mUnited Airlines

Deal found 9/17

$1,070

mar. 2/106:00 amONT - GIG

1 stop22h 35mUnited Airlines

lun. 2/239:55 pmGIG - ONT

2 stops19h 23mUnited Airlines

Deal found 9/16

$1,070

Last-minute flights from Ontario to Rio de Janeiro
Discover last-minute flight deals from Ontario to Rio de Janeiro. Data last updated septiembre 17, 2025 and is based on user searches.

mar. 9/2311:25 pmONT - GIG

2 stops26h 55mAvianca

mar. 9/307:25 amGIG - ONT

2 stops18h 30mAvianca

Deal found 9/15

$1,266

mié. 10/86:00 amONT - GIG

1 stop22h 15mUnited Airlines

dom. 11/99:55 pmGIG - ONT

2 stops19h 38mUnited Airlines

Deal found 9/15

$1,270

mar. 10/1411:25 pmONT - GIG

2 stops26h 55mAvianca

mié. 10/221:30 amGIG - ONT

2 stops24h 25mAvianca

Deal found 9/17

$1,301

mar. 10/146:00 amONT - GIG

1 stop22h 15mUnited Airlines

mié. 10/229:05 pmGIG - ONT

2 stops29h 47mUnited Airlines

Deal found 9/17

$1,305

mié. 10/156:36 pmONT - GIG

2 stops33h 39mUnited Airlines

mié. 10/229:05 pmGIG - ONT

2 stops29h 47mUnited Airlines

Deal found 9/17

$1,195

vie. 10/176:00 amONT - GIG

1 stop22h 15mUnited Airlines

vie. 10/249:05 pmGIG - ONT

2 stops19h 46mUnited Airlines

Deal found 9/17

$1,275

lun. 10/206:00 amONT - GIG

1 stop22h 15mUnited Airlines

dom. 11/29:55 pmGIG - ONT

2 stops19h 38mUnited Airlines

Deal found 9/15

$1,235

lun. 10/276:05 amONT - GIG

1 stop23h 30mUnited Airlines

dom. 11/99:55 pmGIG - ONT

2 stops19h 42mUnited Airlines

Deal found 9/15

$1,160

jue. 10/306:05 amONT - GIG

1 stop23h 30mUnited Airlines

jue. 11/69:55 pmGIG - ONT

1 stop28h 54mUnited Airlines

Deal found 9/15

$1,128

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 septiembre 17, 2025.

lun. 10/1311:59 pmONT - GIG

3 stops30h 11mMultiple Airlines

Deal found 9/17

$551

lun. 9/2911:59 pmONT - GIG

3 stops30h 11mMultiple Airlines

Deal found 9/17

$561

jue. 1/15:05 amONT - GIG

2 stops23h 30mUnited Airlines

Deal found 9/16

$602

lun. 1/266:00 amONT - GIG

1 stop22h 35mUnited Airlines

Deal found 9/15

$608

lun. 1/56:39 pmONT - GIG

2 stops33h 56mUnited Airlines

Deal found 9/15

$614

mié. 12/311:40 pmONT - GIG

2 stops38h 55mUnited Airlines

Deal found 9/15

$635

lun. 12/296:39 pmONT - GIG

2 stops33h 56mUnited Airlines

Deal found 9/15

$636

dom. 3/86:00 amONT - GIG

2 stops23h 35mUnited Airlines

Deal found 9/17

$648

sáb. 3/710:30 pmONT - GIG

2 stops21h 10mAvianca

Deal found 9/17

$669

sáb. 3/71:00 pmONT - GIG

2 stops39h 35mUnited Airlines

Deal found 9/15

$676

sáb. 3/1410:40 amONT - GIG

2 stops42h 55mUnited Airlines

Deal found 9/15

$677

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

mar. 11/18

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

mar. 11/25

9:55 pm-12:33 pm

2 stops19h 38m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

lun. 11/3

6:05 am-9:35 am

1 stop22h 30m

Rio de Janeiro–Galeão Intl

lun. 11/10

9:55 pm-12:31 pm

2 stops19h 36m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

jue. 1/8

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

lun. 1/19

9:55 pm-9:58 pm

1 stop29h 03m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 12/9

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

mar. 12/23

9:55 pm-9:52 pm

1 stop28h 57m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 1/6

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

mar. 1/20

9:55 pm-9:58 pm

1 stop29h 03m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

jue. 1/8

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

mar. 1/20

9:55 pm-12:14 pm

2 stops19h 19m

$1,070

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

lun. 2/2

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

jue. 2/12

9:55 pm-12:18 pm

2 stops19h 23m

$1,070

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 2/10

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

lun. 2/23

9:55 pm-12:18 pm

2 stops19h 23m

$1,070

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

jue. 1/1

5:05 am-9:35 am

2 stops23h 30m

$602

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 3/10

6:02 am-9:35 am

1 stop23h 33m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 17 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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.

$551+ 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 10/13. 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

Cheap flight deals from Ontario to Rio de Janeiro

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 septiembre 17, 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 septiembre 17, 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?

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 Rio de Janeiro

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

100% Free

Book with Flexibility

Travel Smart

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 septiembre 17, 2025.