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$455+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — ONT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$1,082
(American Airlines)

One-way from

$455
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$636
From Rio de Janeiro (RIO) to Ontario
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One-way flight from Rio de Janeiro (RIO) to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Gotogate deal was found by Cheapflights users on 9/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:45 amGIG - ONT
2 stops24h 10mAvianca
Sat 11/1510:30 pmONT - GIG
2 stops26h 55mAvianca
Deal found 9/17$1,102
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:30 amGIG - ONT
2 stops24h 25mAvianca
Thu 11/1310:30 pmONT - GIG
2 stops26h 55mAvianca
Deal found 9/17$1,115
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/99:05 pmGIG - ONT
2 stops19h 46mUnited Airlines
Thu 10/166:00 amONT - GIG
1 stop22h 15mUnited Airlines
Deal found 9/16$1,213
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 12/169:55 pmGIG - ONT
1 stop28h 54mUnited Airlines
Sun 1/116:00 amONT - GIG
1 stop22h 35mUnited Airlines
Deal found 9/16$1,223
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/69:05 pmGIG - ONT
2 stops21h 57mUnited Airlines
Thu 10/169:36 amONT - GIG
2 stops18h 39mUnited Airlines
Deal found 9/14$1,224
This MaxMilhas deal was found by Cheapflights users on 9/16. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:30 amGIG - ONT
2 stops24h 25mAvianca
Sat 10/411:25 pmONT - GIG
2 stops50h 55mAvianca
Deal found 9/16$1,301
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 9/309:05 pmGIG - ONT
2 stops19h 08mUnited Airlines
Wed 10/86:00 amONT - GIG
1 stop22h 15mUnited Airlines
Deal found 9/16$1,307
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/299:05 pmGIG - ONT
2 stops19h 46mUnited Airlines
Wed 10/89:36 amONT - GIG
2 stops18h 39mUnited Airlines
Deal found 9/17$1,344
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/59:05 pmGIG - ONT
2 stops19h 08mUnited Airlines
Fri 10/106:00 amONT - GIG
1 stop22h 15mUnited Airlines
Deal found 9/16$1,381
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/229:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Sat 1/31:40 pmONT - GIG
2 stops38h 55mUnited Airlines
Deal found 9/16$1,386

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 September 17, 2025.
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

Sat 3/7

10:30 pm-12:40 pm

1 stop19h 10m

Ontario

Thu 3/26

10:57 am-10:15 am

2 stops19h 18m

$1,082

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 10/29

1:45 am-9:55 pm

2 stops24h 10m

Ontario

Sat 11/15

10:30 pm-6:25 am

2 stops26h 55m

$1,102

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 10/22

1:30 am-9:55 pm

2 stops24h 25m

Ontario

Thu 11/13

10:30 pm-6:25 am

2 stops26h 55m

$1,115

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 10/9

9:05 pm-12:51 pm

2 stops19h 46m

Ontario

Thu 10/16

6:00 am-8:15 am

1 stop22h 15m

$1,213

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 2/16

9:55 pm-9:59 pm

1 stop29h 04m

$577

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 1/19

9:55 pm-5:43 pm

2 stops24h 48m

$577

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 1/26

9:55 pm-5:43 pm

2 stops24h 48m

$577

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 2/9

9:55 pm-5:43 pm

2 stops24h 48m

$577

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 2/2

9:55 pm-9:58 pm

1 stop29h 03m

$577

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Tue 2/24

9:55 pm-12:43 pm

2 stops19h 48m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 11 results
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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, August is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $246). Flying from Rio de Janeiro to Ontario in March is currently the most expensive (average of $327). 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 American Airlines fly from Rio de Janeiro to Ontario in about 19h 10m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6258 mi.

  • 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, August is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $246). Flying from Rio de Janeiro to Ontario in March is currently the most expensive (average of $327). 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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