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$532+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — ONT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/219:55 pmGIG - ONT
2 stops19h 43mUnited Airlines
Tue 1/138:00 amONT - GIG
1 stop20h 35mUnited Airlines
Deal found 12/17$1,397
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/289:55 pmGIG - ONT
1 stop28h 57mUnited Airlines
Sat 1/36:10 amONT - GIG
1 stop22h 25mUnited Airlines
Deal found 12/17$1,402
This United Airlines deal was found by Cheapflights users on 12/16. 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
2 stops28h 12mUnited Airlines
Sat 1/36:10 amONT - GIG
1 stop22h 25mUnited Airlines
Deal found 12/16$1,445
This LATAM Airlines deal was found by Cheapflights users on 12/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:30 pmGIG - ONT
1 stop17h 30mLATAM Airlines
Tue 1/612:41 pmONT - GIG
1 stop14h 39mLATAM Airlines
Deal found 12/17$1,495
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/217:30 amGIG - ONT
2 stops18h 25mAvianca
Tue 1/610:30 pmONT - GIG
2 stops26h 55mAvianca
Deal found 12/17$1,527
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/219:55 pmGIG - ONT
2 stops19h 43mUnited Airlines
Tue 1/68:00 amONT - GIG
1 stop20h 35mUnited Airlines
Deal found 12/17$1,529
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:45 amGIG - ONT
2 stops24h 10mAvianca
Thu 1/110:30 pmONT - GIG
2 stops26h 55mAvianca
Deal found 12/16$1,536

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 December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,028
(United Airlines)

One-way from

$532
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$775
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. 9% potential increase in price ($76 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 December 2025
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 December 18, 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

Tue 5/26

9:05 pm-12:20 pm

2 stops19h 15m

Ontario

Thu 6/11

6:02 am-8:15 am

1 stop22h 13m

$1,028

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 3/12

8:55 pm-12:48 pm

2 stops19h 53m

Ontario

Thu 4/2

6:00 am-8:15 am

1 stop22h 15m

$1,028

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Tue 5/26

9:05 pm-12:20 pm

2 stops19h 15m

Ontario

Wed 6/10

6:02 am-8:15 am

1 stop22h 13m

$1,028

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 3/2

9:55 pm-12:38 pm

2 stops19h 43m

Ontario

Tue 3/31

6:00 am-8:15 am

1 stop22h 15m

$1,034

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Fri 2/6

9:55 pm-12:47 pm

2 stops19h 52m

Ontario

Tue 2/17

8:00 am-9:35 am

1 stop20h 35m

$1,073

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 5/27

9:05 pm-12:33 pm

2 stops19h 28m

Ontario

Tue 8/11

6:00 am-8:15 am

2 stops22h 15m

$1,073

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Thu 5/7

9:05 pm-9:50 pm

1 stop28h 45m

Ontario

Mon 5/11

1:28 pm-8:15 am

2 stops38h 47m

$1,118

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Wed 2/4

1:45 am-8:55 pm

3 stops24h 10m

$532

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Mon 2/2

1:45 am-6:44 pm

3 stops21h 59m

$576

Rio de JaneiroOntario

GIG - ONT

GIGONT

Rio de Janeiro–Galeão Intl

Fri 3/20

8:55 pm-10:36 pm

1 stop29h 41m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 18 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 $348). Flying from Rio de Janeiro to Ontario in July is currently the most expensive (average of $646). 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 fly from Rio de Janeiro to Ontario in about 19h 15m. 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, December is the cheapest month in which you can book a flight from Rio de Janeiro to Ontario (average of $348). Flying from Rio de Janeiro to Ontario in July is currently the most expensive (average of $646). 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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