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$563+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — ONT
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,032
(United Airlines)

One-way from

$563
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$644
Provider with most accurate pricing for Rio de Janeiro (RIO)-Ontario flight deals.
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Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Ontario flights.
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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 ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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 12/269:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Fri 1/166:00 amONT - GIG
1 stop22h 35mUnited Airlines
Deal found 10/31$1,112
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/209:55 pmGIG - ONT
2 stops48h 48mUnited Airlines
Sun 1/410:42 amONT - GIG
2 stops41h 53mUnited Airlines
Deal found 11/2$1,146
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/219:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Tue 12/306:04 amONT - GIG
1 stop22h 31mUnited Airlines
Deal found 11/2$1,152
This LATAM Airlines deal was found by Cheapflights users on 11/1. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:30 pmGIG - ONT
1 stop17h 30mLATAM Airlines
Fri 1/27:05 amONT - GIG
1 stop20h 15mLATAM Airlines
Deal found 11/1$1,153
This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 11/216:55 amGIG - ONT
2 stops33h 11mDelta
Fri 12/512:12 pmONT - GIG
2 stops39h 13mDelta
Deal found 10/31$1,268
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 12/239:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Fri 1/26:04 amONT - GIG
1 stop22h 31mUnited Airlines
Deal found 11/2$1,269
This LATAM Airlines deal was found by Cheapflights users on 10/31. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:00 pmGIG - ONT
2 stops26h 06mLATAM Airlines
Sat 11/2912:16 pmONT - GIG
1 stop15h 04mLATAM Airlines
Deal found 10/31$1,271
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/179:55 pmGIG - ONT
2 stops19h 36mUnited Airlines
Fri 12/51:34 pmONT - GIG
2 stops39h 01mUnited Airlines
Deal found 10/31$1,273
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Mon 12/229:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Sat 1/36:04 amONT - GIG
1 stop22h 31mUnited Airlines
Deal found 11/1$1,282
This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 11/2111:30 amGIG - ONT
2 stops28h 36mDelta
Wed 12/34:49 pmONT - GIG
2 stops34h 31mDelta
Deal found 10/31$1,318
This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 11/216:55 amGIG - ONT
2 stops33h 11mDelta
Thu 12/412:12 pmONT - GIG
2 stops39h 08mDelta
Deal found 10/31$1,324

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 November 3, 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

Wed 3/25

8:55 pm-10:35 pm

1 stop29h 40m

Ontario

Sun 4/12

6:53 pm-8:15 am

2 stops33h 22m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Tue 3/24

8:55 pm-12:17 pm

2 stops19h 22m

Ontario

Sun 4/12

4:15 pm-8:15 am

2 stops36h 00m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 3/26

8:55 pm-8:45 pm

2 stops51h 50m

Ontario

Tue 4/7

6:02 am-8:15 am

1 stop22h 13m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 3/25

8:55 pm-8:45 pm

2 stops27h 50m

Ontario

Mon 4/6

5:00 am-8:15 am

2 stops23h 15m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 3/23

8:55 pm-6:00 pm

2 stops25h 05m

Ontario

Thu 4/9

6:02 am-8:15 am

1 stop22h 13m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 3/23

8:55 pm-12:43 pm

2 stops19h 48m

Ontario

Wed 4/8

5:00 am-8:15 am

2 stops23h 15m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 3/25

8:55 pm-10:37 pm

2 stops29h 42m

Ontario

Sat 4/11

4:15 pm-8:15 am

2 stops60h 00m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 3/23

8:55 pm-12:43 pm

2 stops19h 48m

Ontario

Tue 4/7

6:02 am-8:15 am

1 stop22h 13m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 3/26

8:55 pm-12:43 pm

2 stops43h 48m

Ontario

Thu 4/9

6:02 am-8:15 am

1 stop22h 13m

$1,032

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 3/25

8:55 pm-8:45 pm

2 stops27h 50m

Ontario

Wed 4/8

6:02 am-8:15 am

1 stop22h 13m

$1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 20 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, October is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $427). Flying from Rio de Janeiro to Ontario in July is currently the most expensive (average of $658). 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 United Airlines and Delta fly from Rio de Janeiro to Ontario in about 26h 19m. The time it takes to get you to your destination can typically vary by up to 3h 21m. 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, October is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $427). Flying from Rio de Janeiro to Ontario in July is currently the most expensive (average of $658). 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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