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Cheap flights from Ontario to Rio de Janeiro from $608

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Rio de Janeiro departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:30 pm - 6:25 amONT-GIG
26h 55m2 stops
Delta Logo
7:15 am - 11:31 amGIG-ONT
33h 16m2 stops
$1,041Delta
Find Deal
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
6:39 pm - 9:35 amONT-GIG
33h 56m2 stops
United Airlines Logo
9:55 pm - 8:58 pmGIG-ONT
28h 03m2 stops
$1,045United Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
6:10 am - 9:35 amONT-GIG
22h 25m1 stop
United Airlines Logo
9:55 pm - 9:58 pmGIG-ONT
29h 03m1 stop
$1,053United Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
6:39 pm - 9:35 amONT-GIG
33h 56m2 stops
United Airlines Logo
9:55 pm - 9:58 pmGIG-ONT
29h 03m1 stop
$1,058United Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
United Airlines Logo
6:00 am - 9:35 amONT-GIG
22h 35m1 stop
United Airlines Logo
9:55 pm - 8:58 pmGIG-ONT
28h 03m2 stops
$1,070United Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 29
United Airlines Logo
6:00 am - 9:35 amONT-GIG
22h 35m1 stop
United Airlines Logo
9:55 pm - 9:58 pmGIG-ONT
29h 03m1 stop
$1,078United Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 5
United Airlines Logo
6:00 am - 9:35 amONT-GIG
22h 35m2 stops
United Airlines Logo
9:55 pm - 5:38 pmGIG-ONT
24h 43m2 stops
$1,085United Airlines
Find Deal
Mon, Feb 23 - Fri, Mar 6
United Airlines Logo
6:10 am - 9:35 amONT-GIG
22h 25m1 stop
United Airlines Logo
9:55 pm - 9:58 pmGIG-ONT
29h 03m1 stop
$1,093United Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
United Airlines Logo
1:45 pm - 9:35 amONT-GIG
38h 50m2 stops
United Airlines Logo
9:55 pm - 8:50 pmGIG-ONT
27h 55m2 stops
$1,125United Airlines
Find Deal
Fri, Feb 13 - Fri, Feb 20
United Airlines Logo
1:45 pm - 9:35 amONT-GIG
38h 50m2 stops
United Airlines Logo
9:55 pm - 9:59 pmGIG-ONT
29h 04m1 stop
$1,138United Airlines
Find Deal
Fri, Feb 13 - Fri, Feb 20

LATAM Airlines flights from Ontario to Rio de Janeiro–Galeão Intl Airport

Our best LATAM Airlines deals on Ontario to Rio de Janeiro–Galeão Intl Airport flight tickets
LATAM Airlines
Mar 1
ONT1:09 pmOntario
14h 11m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Mar 9
GIG9:30 pmRio de Janeiro–Galeão Intl
18h 08m
1 stop
ONT11:38 amOntario
$1,144
Find similar
LATAM Airlines
Feb 3
ONT12:41 pmOntario
14h 39m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Feb 10
GIG9:30 pmRio de Janeiro–Galeão Intl
19h 01m
1 stop
ONT11:31 amOntario
$1,289
Find similar
LATAM Airlines
Jan 16
ONT12:41 pmOntario
14h 39m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Feb 1
GIG9:30 pmRio de Janeiro–Galeão Intl
19h 01m
1 stop
ONT11:31 amOntario
$1,304
Find similar

Delta flights from Ontario to Rio de Janeiro–Galeão Intl Airport

Our best Delta deals on Ontario to Rio de Janeiro–Galeão Intl Airport flight tickets
Delta
Jan 12
ONT10:30 pmOntario
26h 55m
2 stops
GIG6:25 amRio de Janeiro–Galeão Intl
Jan 19
GIG7:15 amRio de Janeiro–Galeão Intl
33h 16m
2 stops
ONT11:31 amOntario
$1,041
Find similar
Delta
Jan 11
ONT12:41 pmOntario
14h 39m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Jan 24
GIG9:30 pmRio de Janeiro–Galeão Intl
19h 01m
1 stop
ONT11:31 amOntario
$1,359
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Rio de Janeiro–Galeão Intl Airport 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, momondo users made 832,500 searches. Data last updated November 22, 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

Fly to

Route

Depart

Return

Price

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/12

10:30 pm-6:25 am

2 stops26h 55m

Rio de Janeiro–Galeão Intl

Mon 1/19

7:15 am-11:31 am

2 stops33h 16m

$1,041

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/12

6:39 pm-9:35 am

2 stops33h 56m

Rio de Janeiro–Galeão Intl

Mon 1/19

9:55 pm-8:58 pm

2 stops28h 03m

$1,045

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 1/12

6:10 am-9:35 am

1 stop22h 25m

Rio de Janeiro–Galeão Intl

Mon 1/19

9:55 pm-9:58 pm

1 stop29h 03m

$1,053

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 1/11

6:39 pm-9:35 am

2 stops33h 56m

Rio de Janeiro–Galeão Intl

Mon 1/19

9:55 pm-9:58 pm

1 stop29h 03m

$1,058

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 1/15

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Thu 1/29

9:55 pm-8:58 pm

2 stops28h 03m

$1,070

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 1/29

6:00 am-9:35 am

1 stop22h 35m

Rio de Janeiro–Galeão Intl

Thu 2/5

9:55 pm-9:58 pm

1 stop29h 03m

$1,078

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 2/23

6:00 am-9:35 am

2 stops22h 35m

Rio de Janeiro–Galeão Intl

Fri 3/6

9:55 pm-5:38 pm

2 stops24h 43m

$1,085

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 1/11

6:10 am-9:35 am

1 stop22h 25m

Rio de Janeiro–Galeão Intl

Mon 1/19

9:55 pm-9:58 pm

1 stop29h 03m

$1,093

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 2/13

1:45 pm-9:35 am

2 stops38h 50m

Rio de Janeiro–Galeão Intl

Fri 2/20

9:55 pm-8:50 pm

2 stops27h 55m

$1,125

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 2/13

1:45 pm-9:35 am

2 stops38h 50m

Rio de Janeiro–Galeão Intl

Fri 2/20

9:55 pm-9:59 pm

1 stop29h 04m

$1,138

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Rio de Janeiro–Galeão Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rio de Janeiro–Galeão Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Rio de Janeiro–Galeão Intl Airport. Tickets to fly out on this day can be as low as $895. The most expensive day to fly to Rio de Janeiro–Galeão Intl Airport is Sunday, with ticket prices averaging around $1,053.

What is the cheapest time of day to depart on your flight to Rio de Janeiro–Galeão Intl Airport?

Flying to Rio de Janeiro–Galeão Intl Airport from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $877 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $988. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Rio de Janeiro–Galeão Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Rio de Janeiro–Galeão Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Rio de Janeiro–Galeão Intl Airport (ONT to GIG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Rio de Janeiro–Galeão Intl Airport

Direct flights

None
There are no direct flights from Ontario to Rio de Janeiro–Galeão Intl Airport. There are no popular flight routes from Ontario to Rio de Janeiro–Galeão Intl Airport.
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  • How far is Ontario to Rio de Janeiro–Galeão Intl by plane?

    Ontario and Rio de Janeiro–Galeão Intl are 6261.2 mi apart from one another. A reasonable flight in good conditions will take 14h 11m.

  • When did momondo last update prices for flights from Ontario Airport to Rio de Janeiro–Galeão Intl Airport?

    Prices for flights from Ontario Airport to Rio de Janeiro–Galeão Intl Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Rio de Janeiro–Galeão Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Rio de Janeiro–Galeão Intl Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro–Galeão Intl Airport?

    The necessary travel and health documents for your Rio de Janeiro–Galeão Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Rio de Janeiro?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Rio de Janeiro. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Rio de Janeiro with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Rio de Janeiro flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Rio de Janeiro?

Once you have performed a search for Ontario to Rio de Janeiro flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Rio de Janeiro right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Rio de Janeiro now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rio de Janeiro and let you know when they change.

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