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Rio de Janeiro–Galeão Intl

$602+ Cheap flights from Ontario (ONT) to Rio de Janeiro–Galeão Intl, Brazil (GIG)

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GIG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Rio de Janeiro–Galeão Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Rio de Janeiro–Galeão Intl (GIG). 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 11, 2025.

Round-trip from

$1,045
(United Airlines)

One-way from

$602
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$728
From Ontario to Rio de Janeiro–Galeão Intl
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One-way flight from Ontario to Rio de Janeiro–Galeão Intl
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Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 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 Ontario to Rio de Janeiro–Galeão Intl

Cheapest flights from Ontario to Rio de Janeiro–Galeão Intl
Explore the most affordable flight options available from Ontario to Rio de Janeiro–Galeão Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 11/66:05 amONT - GIG
1 stop22h 30mUnited Airlines
Thu 11/139:55 pmGIG - ONT
2 stops19h 38mUnited Airlines
Deal found 9/11$1,045
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/26:00 amONT - GIG
1 stop22h 35mUnited Airlines
Mon 12/159:55 pmGIG - ONT
1 stop28h 54mUnited Airlines
Deal found 9/11$1,053
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/136:05 amONT - GIG
1 stop22h 30mUnited Airlines
Fri 11/219:55 pmGIG - ONT
2 stops19h 38mUnited Airlines
Deal found 9/11$1,085
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/176:05 amONT - GIG
1 stop22h 30mUnited Airlines
Sun 11/309:55 pmGIG - ONT
1 stop28h 54mUnited Airlines
Deal found 9/11$1,093
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/146:38 pmONT - GIG
2 stops33h 57mUnited Airlines
Sat 11/229:55 pmGIG - ONT
2 stops29h 56mUnited Airlines
Deal found 9/10$1,125
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/276:00 amONT - GIG
2 stops23h 35mUnited Airlines
Sun 11/99:55 pmGIG - ONT
2 stops19h 38mUnited Airlines
Deal found 9/11$1,160
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:30 pmONT - GIG
2 stops21h 10mAvianca
Wed 11/121:45 amGIG - ONT
2 stops24h 10mAvianca
Deal found 9/11$1,176
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/265:05 amONT - GIG
2 stops48h 30mUnited Airlines
Sun 11/29:55 pmGIG - ONT
2 stops24h 39mUnited Airlines
Deal found 9/11$1,180
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/56:00 amONT - GIG
2 stops22h 35mUnited Airlines
Thu 11/139:55 pmGIG - ONT
2 stops19h 38mUnited Airlines
Deal found 9/11$1,183

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Rio de Janeiro–Galeão Intl 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 11, 2025.
Use the filters below to find and compare flights from Ontario to Rio de Janeiro–Galeão Intl Airport that are best for you.

Fly from

Ontario

Fly to

Rio de Janeiro–Galeão Intl

Route

Depart

Return

Price

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 11/6

6:05 am-9:35 am

1 stop22h 30m

Rio de Janeiro–Galeão Intl

Thu 11/13

9:55 pm-12:33 pm

2 stops19h 38m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 12/2

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Mon 12/15

9:55 pm-12:32 pm

2 stops19h 37m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 11/11

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Wed 11/19

9:55 pm-12:33 pm

2 stops19h 38m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 11/5

6:05 am-9:35 am

1 stop22h 30m

Rio de Janeiro–Galeão Intl

Thu 11/13

9:55 pm-12:33 pm

2 stops19h 38m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 2/11

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Wed 2/18

9:55 pm-9:21 pm

1 stop28h 26m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 11/3

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Sun 11/16

9:55 pm-12:33 pm

2 stops19h 38m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 11/13

5:05 am-9:35 am

2 stops23h 30m

Rio de Janeiro–Galeão Intl

Sat 11/22

9:55 pm-10:51 pm

2 stops29h 56m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/12

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Sun 1/25

9:55 pm-8:58 pm

2 stops28h 03m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 11/17

6:05 am-9:35 am

1 stop22h 30m

Rio de Janeiro–Galeão Intl

Sun 11/30

9:55 pm-9:49 pm

1 stop28h 54m

$1,093

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 12/31

5:05 am-9:35 am

2 stops23h 30m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Rio de Janeiro–Galeão Intl

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro–Galeão Intl 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–Galeão Intl Airport

What is the cheapest month to book a flight from Ontario to Rio de Janeiro–Galeão Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro–Galeão Intl Airport (average of $754). Flying from Ontario to Rio de Janeiro–Galeão Intl Airport in December is currently the most expensive (average of $1,290). 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–Galeão Intl. 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–Galeão Intl?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Rio de Janeiro–Galeão Intl. You should not have trouble finding flights to Rio de Janeiro–Galeão Intl from Ontario; the airport handles an average of 0 outbound flights to Rio de Janeiro–Galeão Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ontario airport to Rio de Janeiro–Galeão Intl. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Rio de Janeiro–Galeão Intl Airport?

    Airlines like United Airlines fly from Ontario to Rio de Janeiro–Galeão Intl Airport in about 22h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Ontario to Rio de Janeiro–Galeão Intl Airport is about 6258 mi.

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

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

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

    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–Galeão Intl.

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

    Yes. Cheapflights offers flight deals from Ontario to Rio de Janeiro–Galeão Intl 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–Galeão Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro–Galeão Intl Airport (average of $754). Flying from Ontario to Rio de Janeiro–Galeão Intl Airport in December is currently the most expensive (average of $1,290). 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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