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Ontario

$466+ Cheap flights from Rio de Janeiro, Brazil (RIO) to Ontario (ONT)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — ONT
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Rio de Janeiro to Ontario

Cheapest flights from Rio de Janeiro to Ontario
Explore the most affordable flight options available from Rio de Janeiro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

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.
Wed 2/251:40 am
GIG
-
ONT
3 stops26h 12m
Multiple Airlines
Wed 3/1111:59 pm
ONT
-
GIG
3 stops24h 06m
Multiple Airlines
Deal found 2/4$953
This 123 Milhas 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:20 am
GIG
-
ONT
2 stops18h 25m
Avianca
Thu 6/411:35 pm
ONT
-
GIG
2 stops20h 55m
Avianca
Deal found 2/3$1,043
This 123 Milhas 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:20 am
GIG
-
ONT
2 stops42h 25m
Avianca
Tue 9/1511:35 pm
ONT
-
GIG
2 stops20h 55m
Avianca
Deal found 2/4$1,114
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:55 pm
GIG
-
ONT
2 stops19h 53m
United Airlines
Thu 3/265:15 am
ONT
-
GIG
2 stops24h 20m
United Airlines
Deal found 2/4$1,123
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.
Fri 5/89:05 pm
GIG
-
ONT
2 stops19h 17m
United Airlines
Sun 5/176:00 am
ONT
-
GIG
1 stop22h 15m
United Airlines
Deal found 2/3$1,147
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:05 pm
GIG
-
ONT
2 stops19h 15m
United Airlines
Tue 9/156:02 am
ONT
-
GIG
1 stop22h 13m
United Airlines
Deal found 2/4$1,148
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.
Tue 7/219:05 pm
GIG
-
ONT
1 stop28h 35m
United Airlines
Tue 7/285:55 am
ONT
-
GIG
1 stop22h 20m
United Airlines
Deal found 2/3$1,152
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 3/118:55 pm
GIG
-
ONT
2 stops19h 23m
United Airlines
Wed 3/186:00 am
ONT
-
GIG
1 stop23h 35m
United Airlines
Deal found 2/3$1,202
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/198:55 pm
GIG
-
ONT
2 stops43h 23m
United Airlines
Mon 3/236:00 am
ONT
-
GIG
1 stop23h 35m
United Airlines
Deal found 2/1$1,213
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.
Wed 7/229:05 pm
GIG
-
ONT
1 stop28h 35m
United Airlines
Tue 7/285:55 am
ONT
-
GIG
1 stop22h 20m
United Airlines
Deal found 2/2$1,219

Find flight deals from Rio de Janeiro to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to Ontario (ONT). 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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$953
(Mytrip)

One-way from

$466
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$645
Provider with most accurate pricing for Rio de Janeiro (RIO)-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Ontario flights.
Search Deals
From Rio de Janeiro (RIO) to Ontario
Search Deals
One-way flight from Rio de Janeiro (RIO) to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 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 Rio de Janeiro to Ontario 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 5, 2026.
Use the filters below to find and compare flights from Rio de Janeiro to Ontario that are best for you.

Fly from

Rio de Janeiro

Fly to

Ontario

Route

Depart

Return

Price

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 2/25

1:40 am-10:52 pm

3 stops26h 12m

Ontario

Wed 3/11

11:59 pm-4:05 am

3 stops24h 06m

$953

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Tue 5/19

7:20 am-9:45 pm

2 stops18h 25m

Ontario

Thu 6/4

11:35 pm-12:30 am

2 stops20h 55m

$1,043

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 3/11

8:55 pm-12:48 pm

2 stops19h 53m

Ontario

Thu 3/26

5:15 am-9:35 am

2 stops24h 20m

$1,123

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 7/20

9:05 pm-9:40 pm

1 stop28h 35m

Ontario

Tue 7/28

5:55 am-8:15 am

1 stop22h 20m

$1,147

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Fri 5/8

9:05 pm-12:22 pm

2 stops19h 17m

Ontario

Sun 5/17

6:00 am-8:15 am

1 stop22h 15m

$1,147

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Tue 7/21

9:05 pm-9:40 pm

1 stop28h 35m

Ontario

Tue 7/28

5:55 am-8:15 am

1 stop22h 20m

$1,152

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 3/11

8:55 pm-12:18 pm

2 stops19h 23m

Ontario

Wed 3/18

6:00 am-9:35 am

1 stop23h 35m

$1,202

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 3/19

8:55 pm-5:41 pm

2 stops24h 46m

Ontario

Mon 3/23

1:50 pm-9:35 am

2 stops39h 45m

$1,213

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Sat 2/28

6:10 am-10:52 pm

3 stops21h 42m

$466

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 5/28

1:35 am-11:05 pm

3 stops25h 30m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on Rio de Janeiro-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rio de Janeiro-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rio de Janeiro-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rio de Janeiro-Ontario 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 Rio de Janeiro-Ontario 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 Rio de Janeiro to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Rio de Janeiro 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 Rio de Janeiro to Ontario

What is the cheapest month to book a flight from Rio de Janeiro to Ontario?

Currently, December is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $314). Flying from Rio de Janeiro to Ontario in July is currently the most expensive (average of $633). 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 Rio de Janeiro to Ontario. 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 into for flights to Ontario from Rio de Janeiro?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Rio de Janeiro. Booking flights from Rio de Janeiro to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from Rio de Janeiro from 0 different airlines.

  • How long is the flight from Rio de Janeiro to Ontario?

    Airlines like Avianca and United Airlines fly from Rio de Janeiro to Ontario in about 18h 25m. The time it takes to get you to your destination can typically vary by up to 1h 28m. Airlines will cover a distance of 6258 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Rio de Janeiro to Ontario that include hotel bookings?

    Yes. In addition to deals on Rio de Janeiro to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rio de Janeiro to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rio de Janeiro to Ontario.

  • Can I find deals for business class flights from Rio de Janeiro to Ontario?

    Yes. Cheapflights offers flight deals from Rio de Janeiro to Ontario 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 Rio de Janeiro to Ontario?

    Currently, December is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $314). Flying from Rio de Janeiro to Ontario in July is currently the most expensive (average of $633). 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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