What are the cheapest airlines flying from Ontario to Rio de Janeiro round-trip?

Our cheapest airline available from Ontario to Rio de Janeiro is United Airlines. Our recent data shows that you can find tickets from as low as $1,038 on this airline. Additional options worth looking into are Avianca and Delta, starting at $1,101 and $1,373 round-trip.

How far in advance should I book a flight from Ontario to Rio de Janeiro?

Users have found that booking a flight from Ontario to Rio de Janeiro at least 44 days early can save you up to 27% on average compared to booking a flight this week. If booking 44 days before your flight isn’t an option for you, users have found flights from Ontario to Rio de Janeiro for as little as $633 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $875 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Rio de Janeiro?

January is one of the best times of the year to fly to Rio de Janeiro from Ontario. Prices for January average $835 per person but you can even find prices for as low as $506. The most expensive prices can be found in the month of December. Opting for a January flight can save you 40% on your journey compared to booking in December

What is the cheapest time of day to fly from ONT to RIO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Rio de Janeiro as you normally would.

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

Most trusted provider : When it comes to deals on Ontario-Rio de Janeiro 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 Ontario-Rio de Janeiro flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to Rio de Janeiro?

If you book a flight to Rio de Janeiro from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Rio de Janeiro per day from 0 different airlines.

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

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

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

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.

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

Yes. Cheapflights offers flight deals from Ontario to Rio de Janeiro by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$546+ Flights from Ontario to Rio de Janeiro, Brazil

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Ontario to Rio de Janeiro

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,038 (United Airlines)
One-way from	$546 (Avianca)
Popular in	December
Cheapest in	January
Average price	$771

Provider with most accurate pricing for Ontario-Rio de Janeiro (RIO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Rio de Janeiro (RIO) flights.

Search Deals

From Ontario to Rio de Janeiro (RIO)

Search Deals

One-way flight from Ontario to Rio de Janeiro (RIO)

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Ontario to Rio de Janeiro

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

Mon 6/236:00 amONT - GIG

1 stop22h 15mUnited Airlines

Thu 7/39:05 pmGIG - ONT

1 stop24h 35mUnited Airlines

Deal found 4/10

$1,038

Sat 11/1510:30 pmONT - GIG

2 stops21h 10mAvianca

Mon 11/171:45 amGIG - ONT

2 stops24h 15mAvianca

Deal found 4/9

$1,065

Mon 5/59:23 pmONT - GIG

3 stops28h 47mMultiple Airlines

Mon 5/127:50 pmGIG - ONT

3 stops31h 23mMultiple Airlines

Deal found 4/9

$1,274

Sun 5/2512:18 pmONT - GIG

2 stops49h 17mDelta

Tue 6/39:00 pmGIG - ONT

1 stop18h 08mDelta

Deal found 4/10

$1,373

Wed 5/2810:51 amONT - GIG

2 stops38h 44mIberia

Tue 6/34:50 pmGIG - ONT

2 stops33h 08mIberia

Deal found 4/10

$2,435

Best flights from Ontario to Rio de Janeiro
Discover carefully curated flight deals from Ontario to Rio de Janeiro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Mon 6/236:00 amONT - GIG

1 stop22h 15mUnited Airlines

Thu 7/39:05 pmGIG - ONT

1 stop24h 35mUnited Airlines

Deal found 4/10

$1,038

Tue 6/1011:25 pmONT - GIG

2 stops21h 00mAvianca

Mon 6/231:30 amGIG - ONT

2 stops24h 25mAvianca

Deal found 4/10

$1,101

Mon 5/59:23 pmONT - GIG

3 stops28h 47mMultiple Airlines

Mon 5/127:50 pmGIG - ONT

3 stops31h 23mMultiple Airlines

Deal found 4/9

$1,274

Sun 5/2512:18 pmONT - GIG

2 stops49h 17mDelta

Tue 6/39:00 pmGIG - ONT

1 stop18h 08mDelta

Deal found 4/10

$1,373

Wed 5/2810:51 amONT - GIG

2 stops38h 44mIberia

Tue 6/34:50 pmGIG - ONT

2 stops33h 08mIberia

Deal found 4/10

$2,435

Last-minute flights from Ontario to Rio de Janeiro
Discover last-minute flight deals from Ontario to Rio de Janeiro. Data last updated April 11, 2025 and is based on user searches.

Tue 4/155:00 amONT - GIG

2 stops23h 15mUnited Airlines

Tue 4/229:05 pmGIG - ONT

2 stops21h 45mUnited Airlines

Deal found 4/10

$1,233

Tue 4/1511:25 pmONT - GIG

2 stops21h 00mAvianca

Mon 4/211:30 amGIG - ONT

2 stops24h 25mAvianca

Deal found 4/10

$2,130

Mon 5/59:23 pmONT - GIG

3 stops28h 47mMultiple Airlines

Mon 5/127:50 pmGIG - ONT

3 stops31h 23mMultiple Airlines

Deal found 4/9

$1,274

Thu 5/2211:25 pmONT - GIG

2 stops21h 00mAvianca

Wed 6/41:30 amGIG - ONT

2 stops24h 25mAvianca

Deal found 4/10

$1,161

Sun 5/2512:18 pmONT - GIG

2 stops49h 17mDelta

Tue 6/39:00 pmGIG - ONT

1 stop18h 08mDelta

Deal found 4/10

$1,373

Mon 5/266:00 amONT - GIG

1 stop22h 15mUnited Airlines

Wed 6/49:05 pmGIG - ONT

2 stops29h 40mUnited Airlines

Deal found 4/10

$1,078

Wed 5/2810:51 amONT - GIG

2 stops38h 44mIberia

Tue 6/34:50 pmGIG - ONT

2 stops33h 08mIberia

Deal found 4/10

$2,435

One-way flights from Ontario to Rio de Janeiro
Search for one-way flight options from Ontario to Rio de Janeiro. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Sun 6/2911:25 pmONT - GIG

2 stops21h 00mAvianca

Deal found 4/10

$546

Wed 6/115:10 amONT - GIG

2 stops23h 05mUnited Airlines

Deal found 4/10

$708

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Rio de Janeiro that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 6/23

6:00 am-8:15 am

1 stop22h 15m

Rio de Janeiro–Galeão Intl

Thu 7/3

9:05 pm-5:40 pm

1 stop24h 35m

$1,038

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 6/10

11:25 pm-12:25 am

2 stops21h 00m

Rio de Janeiro–Galeão Intl

Mon 6/23

1:30 am-9:55 pm

2 stops24h 25m

$1,101

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 5/5

9:23 pm-6:10 am

3 stops28h 47m

Rio de Janeiro–Galeão Intl

Mon 5/12

7:50 pm-11:13 pm

3 stops31h 23m

$1,274

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 5/25

12:18 pm-5:35 pm

2 stops49h 17m

Rio de Janeiro–Galeão Intl

Tue 6/3

9:00 pm-11:08 am

1 stop18h 08m

$1,373

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 5/28

10:51 am-5:35 am

2 stops38h 44m

Rio de Janeiro–Galeão Intl

Tue 6/3

4:50 pm-9:58 pm

2 stops33h 08m

$2,435

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 6/29

11:25 pm-12:25 am

2 stops21h 00m

$546

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 6/11

5:10 am-8:15 am

2 stops23h 05m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Compare providers for flights from Ontario to Rio de Janeiro

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Rio de Janeiro in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro (average of $755). Flying from Ontario to Rio de Janeiro 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.

Rainfall in Rio de Janeiro by month

In terms of precipitation, rainfall in Rio de Janeiro ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro when rainfall is around 1.6 in.

Temperature in Rio de Janeiro by month

If weather is an important factor for your trip to Rio de Janeiro, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Rio de Janeiro

Read reviews from past customers who have flown Delta, United Airlines and Iberia from Ontario to Rio de Janeiro. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,910 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,636 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia

7.0

Good

2,670 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Avianca

6.7

Okay

2,311 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Ontario to Rio de Janeiro?
If you book a flight to Rio de Janeiro from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Rio de Janeiro per day from 0 different airlines.
What are the cheapest airlines flying from Ontario to Rio de Janeiro round-trip?
Our cheapest airline available from Ontario to Rio de Janeiro is United Airlines. Our recent data shows that you can find tickets from as low as $1,038 on this airline. Additional options worth looking into are Avianca and Delta, starting at $1,101 and $1,373 round-trip.
Can I find deals for flights from Ontario to Rio de Janeiro that include hotel bookings?
Yes. In addition to deals on Ontario to Rio de Janeiro flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Rio de Janeiro?
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.
Can I find deals for business class flights from Ontario to Rio de Janeiro?
Yes. Cheapflights offers flight deals from Ontario to Rio de Janeiro 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?
Currently, November is the cheapest month in which you can book a flight from Ontario to Rio de Janeiro (average of $755). Flying from Ontario to Rio de Janeiro 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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$546+ Cheap flights from Ontario (ONT) to Rio de Janeiro, Brazil (RIO)

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Rio de Janeiro with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Rio de Janeiro

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Rio de Janeiro

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

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Rio de Janeiro that are best for you.

Compare providers for flights from Ontario to Rio de Janeiro

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Rio de Janeiro in April.

Best time to book a flight from Ontario to Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Rio de Janeiro

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

Rainfall in Rio de Janeiro by month

Plan your trip to Rio de Janeiro by taking into account the average rainfall totals by month.

Temperature in Rio de Janeiro by month

Plan your trip to Rio de Janeiro by taking into account the average temperature totals by month.

Reviews of airlines servicing Rio de Janeiro

Read reviews from past customers who have flown Delta, United Airlines and Iberia from Ontario to Rio de Janeiro. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Rio de Janeiro. 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?

What are the cheapest airlines flying from Ontario to Rio de Janeiro round-trip?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.

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