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

$372+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RIO
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
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 enero 27, 2026.

This Mytrip deal was found by Cheapflights users on 1/26. 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.
mié. 2/2512:42 am
ONT
-
GIG
3 stops22h 23m
Multiple Airlines
mar. 3/101:40 am
GIG
-
ONT
3 stops25h 12m
Multiple Airlines
Deal found 1/26$992
This KAYAK deal was found by Cheapflights users on 1/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/612:39 pm
ONT
-
GIG
1 stop17h 36m
LATAM Airlines
lun. 5/185:20 pm
GIG
-
ONT
2 stops22h 00m
LATAM Airlines
Deal found 1/24$1,046
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/207:00 am
ONT
-
GIG
2 stops31h 45m
LATAM Airlines
mar. 10/271:40 pm
GIG
-
ONT
2 stops25h 47m
LATAM Airlines
Deal found 1/26$1,060
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/227:00 am
ONT
-
GIG
2 stops43h 05m
Delta
jue. 10/297:00 am
GIG
-
ONT
2 stops39h 18m
Delta
Deal found 1/26$1,062
This United Airlines deal was found by Cheapflights users on 1/26. 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.
lun. 10/196:53 pm
ONT
-
GIG
2 stops33h 22m
United Airlines
lun. 10/268:55 pm
GIG
-
ONT
2 stops24h 52m
United Airlines
Deal found 1/26$1,066
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2110:59 pm
ONT
-
GIG
2 stops51h 06m
Delta
jue. 10/297:00 am
GIG
-
ONT
2 stops32h 27m
Delta
Deal found 1/26$1,076
This Mytrip deal was found by Cheapflights users on 1/26. 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.
dom. 2/1512:42 am
ONT
-
GIG
3 stops29h 03m
Multiple Airlines
lun. 3/24:50 am
GIG
-
ONT
3 stops23h 02m
Multiple Airlines
Deal found 1/26$1,078
This United Airlines deal was found by Cheapflights users on 1/24. 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.
mié. 5/65:00 am
ONT
-
GIG
2 stops23h 15m
United Airlines
lun. 5/189:05 pm
GIG
-
ONT
1 stop28h 53m
United Airlines
Deal found 1/24$1,079
This United Airlines deal was found by Cheapflights users on 1/26. 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.
dom. 10/186:30 pm
ONT
-
GIG
2 stops57h 45m
United Airlines
mar. 10/278:55 pm
GIG
-
ONT
2 stops19h 38m
United Airlines
Deal found 1/26$1,086
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/207:00 am
ONT
-
GIG
2 stops31h 45m
LATAM Airlines
sáb. 10/311:40 pm
GIG
-
ONT
2 stops33h 38m
LATAM Airlines
Deal found 1/26$1,100
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/227:00 am
ONT
-
GIG
2 stops43h 05m
Delta
sáb. 10/316:05 pm
GIG
-
ONT
2 stops22h 22m
Delta
Deal found 1/26$1,102
This United Airlines deal was found by Cheapflights users on 1/26. 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.
lun. 10/196:53 pm
ONT
-
GIG
2 stops33h 22m
United Airlines
vie. 10/308:55 pm
GIG
-
ONT
2 stops27h 25m
United Airlines
Deal found 1/26$1,106

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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$992
(Mytrip)

One-way from

$372
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$719
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 January 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 enero 27, 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

mié. 4/1

5:10 am-8:15 am

2 stops23h 05m

Rio de Janeiro–Galeão Intl

mié. 4/15

9:05 pm-8:36 pm

2 stops27h 31m

$1,066

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mié. 5/6

5:00 am-8:15 am

2 stops23h 15m

Rio de Janeiro–Galeão Intl

lun. 5/18

9:05 pm-10:59 pm

2 stops29h 54m

$1,066

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 5/19

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

mié. 5/27

9:05 pm-5:18 pm

2 stops24h 13m

$1,066

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

jue. 3/26

6:00 am-9:35 am

1 stop23h 35m

Rio de Janeiro–Galeão Intl

dom. 4/5

9:05 pm-9:56 am

2 stops40h 51m

$1,128

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mié. 3/4

5:00 am-9:35 am

2 stops23h 35m

Rio de Janeiro–Galeão Intl

lun. 3/30

9:05 pm-6:02 pm

2 stops24h 57m

$1,141

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 4/7

6:05 am-8:15 am

1 stop22h 10m

Rio de Janeiro–Galeão Intl

mar. 4/14

9:05 pm-12:14 pm

2 stops19h 09m

$1,141

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

jue. 3/5

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

mar. 3/17

8:55 pm-12:18 pm

2 stops19h 23m

$1,141

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

lun. 3/23

6:15 am-9:35 am

2 stops23h 20m

Rio de Janeiro–Galeão Intl

mar. 4/7

9:05 pm-8:36 pm

2 stops27h 31m

$1,141

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 3/10

6:15 am-9:35 am

2 stops23h 20m

Rio de Janeiro–Galeão Intl

mié. 3/25

8:55 pm-12:48 pm

2 stops19h 53m

$1,141

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

mar. 3/17

2:23 pm-4:05 am

3 stops33h 42m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 19 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 $788). 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 23h 05m. 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 $788). 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.

Alternative routes for Ontario to Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Rio de Janeiro–Galeão Intl flights
Los Angeles to Santos Dumont flights
San Francisco to Rio de Janeiro–Galeão Intl flights
San Francisco to Santos Dumont flights
Ontario to Rio de Janeiro–Galeão Intl flights
San Diego to Rio de Janeiro–Galeão Intl flights
San Diego to Santos Dumont flights
Las Vegas to Rio de Janeiro–Galeão Intl flights
Las Vegas to Santos Dumont flights
San Jose to Rio de Janeiro–Galeão Intl flights
Santa Ana to Rio de Janeiro–Galeão Intl flights
Sacramento to Rio de Janeiro–Galeão Intl flights
Reno to Rio de Janeiro–Galeão Intl flights
San Jose to Santos Dumont flights
Sacramento to Santos Dumont flights
Santa Barbara to Rio de Janeiro–Galeão Intl flights
Santa Rosa to Rio de Janeiro–Galeão Intl flights
Fresno to Rio de Janeiro–Galeão Intl flights
Oakland to Rio de Janeiro–Galeão Intl flights
San Francisco to Cabo Frio flights

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.