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Cheap flights from Rio de Janeiro to Los Angeles from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro to Los Angeles departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rio de Janeiro to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:55 pm - 9:40 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
28h 45m1 stop Houston George Bush Intcntl
United Airlines Logo
1:35 pm - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
39h 00m2 stops San Francisco Houston George Bush Intcntl
$890United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
9:55 pm - 8:15 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
27h 20m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
1:35 pm - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
39h 00m2 stops San Francisco Houston George Bush Intcntl
$891United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
9:55 pm - 12:29 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
19h 34m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
1:29 pm - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
39h 06m2 stops Denver Intl Houston George Bush Intcntl
$924United Airlines
Wed, Nov 11 - Sat, Nov 21
United Airlines Logo
9:55 pm - 9:40 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
28h 45m1 stop Houston George Bush Intcntl
United Airlines Logo
1:35 pm - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
39h 00m2 stops San Francisco Houston George Bush Intcntl
$931United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
9:05 pm - 9:59 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
28h 54m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
22h 35m1 stop Houston George Bush Intcntl
$932United Airlines
Wed, Oct 21 - Tue, Nov 10
United Airlines Logo
9:55 pm - 12:33 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
19h 38m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
6:00 am - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
22h 35m1 stop Houston George Bush Intcntl
$962United Airlines
Tue, Nov 3 - Wed, Nov 18
United Airlines Logo
9:55 pm - 8:15 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
27h 20m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
1:35 pm - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
39h 00m2 stops San Francisco Houston George Bush Intcntl
$975United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
9:05 pm - 9:59 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
28h 54m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
23h 35m1 stop Houston George Bush Intcntl
$981United Airlines
Thu, Oct 22 - Thu, Oct 29
United Airlines Logo
9:05 pm - 12:18 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
19h 13m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
6:00 am - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
22h 35m1 stop Houston George Bush Intcntl
$1,017United Airlines
Wed, Oct 21 - Tue, Nov 10
United Airlines Logo
9:55 pm - 12:33 pmGIG  Rio de Janeiro–Galeão Intl-ONT Ontario
19h 38m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
6:00 am - 9:35 amONT  Ontario-GIG Rio de Janeiro–Galeão Intl
22h 35m2 stops San Francisco Houston George Bush Intcntl
$1,040United Airlines
Tue, Nov 3 - Wed, Nov 18

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United Airlines flights from Rio de Janeiro to Ontario

Our best United Airlines deals on Rio de Janeiro to Ontario flight tickets
United Airlines
Nov 12
GIG9:55 pmRio de Janeiro–Galeão Intl
28h 45m
1 stop
ONT9:40 pmOntario
Nov 16
ONT1:35 pmOntario
39h 00m
2 stops
GIG9:35 amRio de Janeiro–Galeão Intl
$890
United Airlines
Nov 12
GIG9:55 pmRio de Janeiro–Galeão Intl
27h 20m
2 stops
ONT8:15 pmOntario
Nov 16
ONT1:35 pmOntario
39h 00m
2 stops
GIG9:35 amRio de Janeiro–Galeão Intl
$891
United Airlines
Nov 11
GIG9:55 pmRio de Janeiro–Galeão Intl
19h 34m
2 stops
ONT12:29 pmOntario
Nov 21
ONT1:29 pmOntario
39h 06m
2 stops
GIG9:35 amRio de Janeiro–Galeão Intl
$924

LATAM Airlines flights from Rio de Janeiro to Ontario

Our best LATAM Airlines deals on Rio de Janeiro to Ontario flight tickets
LATAM Airlines
Aug 15
GIG9:00 pmRio de Janeiro–Galeão Intl
17h 42m
1 stop
ONT10:42 amOntario
Aug 24
ONT12:00 pmOntario
18h 15m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
$2,555
LATAM Airlines
Aug 15
GIG9:00 pmRio de Janeiro–Galeão Intl
17h 42m
1 stop
ONT10:42 amOntario
Aug 24
ONT12:00 pmOntario
18h 15m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
$6,160
LATAM Airlines
Aug 15
GIG9:00 pmRio de Janeiro–Galeão Intl
17h 42m
1 stop
ONT10:42 amOntario
Aug 24
ONT12:00 pmOntario
18h 15m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
$6,162

momondo 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, momondo users made 832,500 searches. Data last updated August 15, 2026.
Use the filters below to find and compare flights from Rio de Janeiro to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Thu 11/12

9:55 pm-9:40 pm

1 stop28h 45m

Ontario

Mon 11/16

1:35 pm-9:35 am

2 stops39h 00m

$890

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Thu 11/12

9:55 pm-8:15 pm

2 stops27h 20m

Ontario

Mon 11/16

1:35 pm-9:35 am

2 stops39h 00m

$891

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Wed 11/11

9:55 pm-12:29 pm

2 stops19h 34m

Ontario

Sat 11/21

1:29 pm-9:35 am

2 stops39h 06m

$924

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Thu 11/12

9:55 pm-9:40 pm

1 stop28h 45m

Ontario

Mon 11/16

1:35 pm-9:35 am

2 stops39h 00m

$931

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Wed 10/21

9:05 pm-9:59 pm

1 stop28h 54m

Ontario

Tue 11/10

6:00 am-9:35 am

1 stop22h 35m

$932

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Tue 11/3

9:55 pm-12:33 pm

2 stops19h 38m

Ontario

Wed 11/18

6:00 am-9:35 am

1 stop22h 35m

$962

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Thu 11/12

9:55 pm-8:15 pm

2 stops27h 20m

Ontario

Mon 11/16

1:35 pm-9:35 am

2 stops39h 00m

$975

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Thu 10/22

9:05 pm-9:59 pm

1 stop28h 54m

Ontario

Thu 10/29

6:00 am-9:35 am

1 stop23h 35m

$981
Quickest round-trip

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Wed 10/21

9:05 pm-12:18 pm

2 stops19h 13m

Ontario

Tue 11/10

6:00 am-9:35 am

1 stop22h 35m

$1,017

Rio de JaneiroOntario

GIG Rio de Janeiro–Galeão Intl - ONT Ontario

GIGONT

Rio de Janeiro–Galeão Intl

Tue 11/3

9:55 pm-12:33 pm

2 stops19h 38m

Ontario

Wed 11/18

6:00 am-9:35 am

2 stops22h 35m

$1,040

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 Rio de Janeiro to Ontario

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 airline that flies from Rio de Janeiro to Ontario?

United Airlines is the most popular carrier operating from Rio de Janeiro to Ontario

What airlines fly to Ontario?

LATAM Airlines, Copa Airlines and American Airlines are the top three most popular airlines that fly to Ontario from Rio de Janeiro according to our data. LATAM Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Rio de Janeiro to Ontario

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

Cheap Rio de Janeiro to Ontario (RIO to ONT) flight deals and tips

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

Fastest flight time

19h 03m

Direct flights

None
The fastest flight from Rio de Janeiro to Ontario takes 19h 03m
There are no direct flights from Rio de Janeiro to Ontario. There are no popular flight routes from Rio de Janeiro to Ontario.
Search flight deals

Frequently asked questions about flying from Rio de Janeiro to Ontario

  • How far is Rio de Janeiro to Ontario by plane?

    Ontario is 6268.2 mi away from Rio de Janeiro. By plane, this route typically takes 19h 03m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rio de Janeiro to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek 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 Rio de Janeiro to Ontario?

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

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

Flights from Rio de Janeiro to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Rio de Janeiro.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Rio de Janeiro and alert you when they change.

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