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Rio de Janeiro

$349+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RIO
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 12/86:41 pmONT - GIG
2 stops33h 54mUnited Airlines
Mon 12/159:55 pmGIG - ONT
2 stops29h 54mUnited Airlines
Deal found 10/16$1,045
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 12/106:00 amONT - GIG
1 stop22h 35mUnited Airlines
Tue 12/239:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Deal found 10/15$1,053
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 12/16:05 amONT - GIG
1 stop22h 30mUnited Airlines
Mon 12/89:55 pmGIG - ONT
2 stops27h 47mUnited Airlines
Deal found 10/16$1,120
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 11/245:05 amONT - GIG
2 stops23h 30mUnited Airlines
Wed 12/249:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Deal found 10/16$1,132
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/286:09 amONT - GIG
1 stop22h 26mUnited Airlines
Tue 12/239:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Deal found 10/15$1,168
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 12/106:00 amONT - GIG
1 stop22h 35mUnited Airlines
Fri 12/199:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Deal found 10/15$1,170
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/275:05 amONT - GIG
2 stops47h 30mUnited Airlines
Tue 12/239:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Deal found 10/15$1,194
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/295:05 amONT - GIG
2 stops23h 30mUnited Airlines
Sat 12/69:55 pmGIG - ONT
1 stop28h 54mUnited Airlines
Deal found 10/14$1,213
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Sun 12/1411:34 pmONT - GIG
3 stops35h 56mMultiple Airlines
Wed 12/246:40 pmGIG - ONT
3 stops33h 12mMultiple Airlines
Deal found 10/15$1,229

Cheap flight deals from Ontario to Rio de Janeiro

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Rio de Janeiro (RIO). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,045
(United Airlines)

One-way from

$349
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$737
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 ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Rio de Janeiro 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 October 16, 2025.
Use the filters below to find and compare flights from Ontario to Rio de Janeiro that are best for you.

Fly from

Ontario

Fly to

Rio de Janeiro

Route

Depart

Return

Price

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 12/8

6:41 pm-9:35 am

2 stops33h 54m

Rio de Janeiro–Galeão Intl

Mon 12/15

9:55 pm-10:49 pm

2 stops29h 54m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 12/10

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Tue 12/23

9:55 pm-9:52 pm

1 stop28h 57m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 3/2

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Wed 4/1

9:05 pm-9:21 pm

1 stop28h 16m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 12/1

6:05 am-9:35 am

1 stop22h 30m

Rio de Janeiro–Galeão Intl

Mon 12/8

9:55 pm-8:42 pm

2 stops27h 47m

$1,120

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 11/26

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Tue 12/23

9:55 pm-9:52 pm

1 stop28h 57m

$1,132

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 11/24

5:05 am-9:35 am

2 stops23h 30m

Rio de Janeiro–Galeão Intl

Wed 12/24

9:55 pm-9:52 pm

1 stop28h 57m

$1,132

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 12/10

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Fri 12/19

9:55 pm-9:52 pm

1 stop28h 57m

$1,170

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/19

1:20 pm-9:35 am

2 stops39h 15m

Rio de Janeiro–Galeão Intl

Sun 3/8

8:55 pm-6:00 pm

2 stops25h 05m

$1,181

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 3/25

6:02 am-9:35 am

1 stop23h 33m

$608

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 3/26

10:30 am-6:15 am

2 stops15h 45m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 18 results
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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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Rio de Janeiro flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $490). Flying from Ontario to Rio de Janeiro in July is currently the most expensive (average of $778). 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

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?

    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 33h 54m. 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 $490). Flying from Ontario to Rio de Janeiro in July is currently the most expensive (average of $778). 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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