HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rio de Janeiro

$373+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RIO
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 February 6, 2026.

This Mytrip deal was found by Cheapflights users on 2/5. 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 5/2712:40 pm
ONT
-
GIG
3 stops31h 50m
Multiple Airlines
Tue 6/24:40 pm
GIG
-
ONT
3 stops34h 25m
Multiple Airlines
Deal found 2/5$1,024
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/226:05 am
ONT
-
GIG
1 stop22h 10m
United Airlines
Wed 5/69:05 pm
GIG
-
ONT
2 stops27h 31m
United Airlines
Deal found 2/3$1,066
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Fri 10/912:40 pm
ONT
-
GIG
3 stops22h 55m
Multiple Airlines
Mon 10/1210:45 pm
GIG
-
ONT
3 stops28h 20m
Multiple Airlines
Deal found 2/5$1,071
This Mytrip deal was found by Cheapflights users on 2/5. 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 3/412:42 am
ONT
-
GIG
3 stops24h 43m
Multiple Airlines
Mon 3/96:10 pm
GIG
-
ONT
3 stops32h 27m
Multiple Airlines
Deal found 2/5$1,080
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Thu 4/3012:40 pm
ONT
-
GIG
3 stops22h 55m
Multiple Airlines
Sun 5/31:35 am
GIG
-
ONT
3 stops25h 30m
Multiple Airlines
Deal found 2/4$1,094
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Thu 5/2811:35 pm
ONT
-
GIG
2 stops20h 55m
Multiple Airlines
Wed 6/34:40 pm
GIG
-
ONT
3 stops34h 25m
Multiple Airlines
Deal found 2/5$1,105
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Fri 3/1312:42 am
ONT
-
GIG
3 stops29h 33m
Multiple Airlines
Thu 3/195:40 pm
GIG
-
ONT
3 stops33h 12m
Multiple Airlines
Deal found 2/2$1,110
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Fri 4/1712:40 pm
ONT
-
GIG
3 stops22h 55m
Multiple Airlines
Tue 4/214:40 pm
GIG
-
ONT
3 stops29h 47m
Multiple Airlines
Deal found 2/5$1,116
This United Airlines deal was found by Cheapflights users on 2/2. 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 8/75:00 am
ONT
-
GIG
2 stops23h 15m
United Airlines
Mon 8/179:05 pm
GIG
-
ONT
1 stop28h 16m
United Airlines
Deal found 2/2$1,119
This Mytrip deal was found by Cheapflights users on 2/5. 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 5/2712:55 am
ONT
-
GIG
3 stops34h 40m
Multiple Airlines
Wed 6/31:35 am
GIG
-
ONT
3 stops25h 30m
Multiple Airlines
Deal found 2/5$1,123
This United Airlines deal was found by Cheapflights users on 2/5. 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 11/305:00 am
ONT
-
GIG
2 stops23h 35m
United Airlines
Mon 12/79:55 pm
GIG
-
ONT
1 stop28h 26m
United Airlines
Deal found 2/5$1,129

Find 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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,024
(Mytrip)

One-way from

$373
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$884
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 ($49 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 February 2026
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 February 6, 2026.
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

Wed 4/22

5:10 am-8:15 am

2 stops23h 05m

Rio de Janeiro–Galeão Intl

Wed 5/6

9:05 pm-5:52 pm

2 stops24h 47m

$1,066

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 3/16

6:00 am-9:35 am

1 stop23h 35m

Rio de Janeiro–Galeão Intl

Mon 3/30

9:05 pm-8:36 pm

2 stops27h 31m

$1,141

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 5/28

5:55 am-8:15 am

1 stop22h 20m

Rio de Janeiro–Galeão Intl

Thu 6/4

9:05 pm-9:40 pm

1 stop28h 35m

$1,150

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 3/20

11:59 pm-7:10 am

3 stops27h 11m

Rio de Janeiro–Galeão Intl

Sun 3/29

4:40 pm-11:05 pm

3 stops34h 25m

$1,195

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 3/12

1:50 pm-9:35 am

2 stops39h 45m

Rio de Janeiro–Galeão Intl

Mon 3/30

9:05 pm-8:36 pm

2 stops27h 31m

$1,203

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 4/22

6:05 am-8:15 am

1 stop22h 10m

Rio de Janeiro–Galeão Intl

Wed 4/29

9:05 pm-5:52 pm

2 stops24h 47m

$1,204

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 5/28

5:00 am-8:15 am

2 stops23h 15m

Rio de Janeiro–Galeão Intl

Mon 6/8

9:05 pm-9:40 pm

1 stop28h 35m

$1,230

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 3/5

11:02 pm-12:30 am

3 stops20h 28m

Rio de Janeiro–Galeão Intl

Wed 3/18

1:40 am-10:37 pm

3 stops24h 57m

$1,231

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 3/20

6:00 am-9:35 am

1 stop23h 35m

Rio de Janeiro–Galeão Intl

Sun 3/29

9:05 pm-9:56 am

2 stops40h 51m

$1,243

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 4/22

5:10 am-8:15 am

2 stops23h 05m

Rio de Janeiro–Galeão Intl

Thu 4/30

9:05 pm-10:59 pm

2 stops29h 54m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice 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 $491). Flying from Ontario to Rio de Janeiro in July is currently the most expensive (average of $789). 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 24h 20m. 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 $491). Flying from Ontario to Rio de Janeiro in July is currently the most expensive (average of $789). 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

Toggle through the tabs below to find thousands of 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.