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Cheap flights from Ontario to Rio de Janeiro from $373

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 3/3. 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
0 bags

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Find the cheapest flights from Ontario to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:59 pm - 10:15 am
ONT
-
GIG
30h 16m
3 stops
Multiple Airlines Logo
6:10 pm - 10:37 pm
GIG
-
ONT
32h 27m
3 stops
$933Multiple Airlines
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
11:59 pm - 10:15 am
ONT
-
GIG
30h 16m
3 stops
Multiple Airlines Logo
6:05 am - 10:37 pm
GIG
-
ONT
20h 32m
3 stops
$959Multiple Airlines
Fri, Mar 13 - Sat, Mar 21
United Airlines Logo
5:10 am - 8:15 am
ONT
-
GIG
23h 05m
2 stops
United Airlines Logo
9:05 pm - 8:36 pm
GIG
-
ONT
27h 31m
2 stops
$1,066United Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
12:42 am - 6:25 am
ONT
-
GIG
24h 43m
3 stops
Multiple Airlines Logo
1:45 am - 10:52 pm
GIG
-
ONT
25h 07m
3 stops
$1,075Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
5:00 am - 8:15 am
ONT
-
GIG
23h 15m
2 stops
United Airlines Logo
9:05 pm - 5:18 pm
GIG
-
ONT
24h 13m
2 stops
$1,076United Airlines
Wed, May 6 - Wed, May 20
Multiple Airlines Logo
11:59 pm - 10:15 am
ONT
-
GIG
30h 16m
3 stops
Multiple Airlines Logo
1:45 am - 10:37 pm
GIG
-
ONT
24h 52m
2 stops
$1,088Multiple Airlines
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
12:40 pm - 3:35 pm
ONT
-
GIG
22h 55m
3 stops
Multiple Airlines Logo
1:35 am - 11:05 pm
GIG
-
ONT
25h 30m
3 stops
$1,094Multiple Airlines
Thu, Apr 30 - Sun, May 3
United Airlines Logo
6:30 pm - 8:15 am
ONT
-
GIG
33h 45m
2 stops
United Airlines Logo
9:05 pm - 9:40 pm
GIG
-
ONT
28h 35m
1 stop
$1,099United Airlines
Mon, Jun 1 - Tue, Jun 9
Multiple Airlines Logo
12:42 am - 10:15 am
ONT
-
GIG
29h 33m
3 stops
Multiple Airlines Logo
5:40 pm - 10:52 pm
GIG
-
ONT
33h 12m
3 stops
$1,110Multiple Airlines
Fri, Mar 13 - Thu, Mar 19
Delta Logo
11:04 pm - 10:15 am
ONT
-
GIG
31h 11m
1 stop
Delta Logo
9:00 pm - 10:57 am
GIG
-
ONT
17h 57m
1 stop
$1,118Delta
Sat, May 23 - Thu, Jun 4

Delta flights from Ontario to Rio de Janeiro

Our best Delta deals on Ontario to Rio de Janeiro flight tickets
Delta
May 23
ONT11:04 pmOntario
31h 11m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
Jun 4
GIG9:00 pmRio de Janeiro–Galeão Intl
17h 57m
1 stop
ONT10:57 amOntario
$1,118
Delta
Mar 4
ONT6:00 amOntario
21h 20m
2 stops
GIG8:20 amRio de Janeiro–Galeão Intl
Mar 12
GIG9:30 pmRio de Janeiro–Galeão Intl
18h 53m
2 stops
ONT12:23 pmOntario
$1,216
Delta
Mar 30
ONT12:57 pmOntario
17h 18m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
Apr 14
GIG9:00 pmRio de Janeiro–Galeão Intl
18h 36m
1 stop
ONT11:36 amOntario
$1,247

United Airlines flights from Ontario to Rio de Janeiro

Our best United Airlines deals on Ontario to Rio de Janeiro flight tickets
United Airlines
Apr 13
ONT5:10 amOntario
23h 05m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
Apr 20
GIG9:05 pmRio de Janeiro–Galeão Intl
27h 31m
2 stops
ONT8:36 pmOntario
$1,066
United Airlines
May 6
ONT5:00 amOntario
23h 15m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
May 20
GIG9:05 pmRio de Janeiro–Galeão Intl
24h 13m
2 stops
ONT5:18 pmOntario
$1,076
United Airlines
Jun 1
ONT6:30 pmOntario
33h 45m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
Jun 9
GIG9:05 pmRio de Janeiro–Galeão Intl
28h 35m
1 stop
ONT9:40 pmOntario
$1,099

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Rio de Janeiro 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 February 5, 2026.
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

Fri 3/13

11:59 pm-10:15 am

3 stops30h 16m

Rio de Janeiro–Galeão Intl

Fri 3/20

6:10 pm-10:37 pm

3 stops32h 27m

$933

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 3/13

11:59 pm-10:15 am

3 stops30h 16m

Rio de Janeiro–Galeão Intl

Sat 3/21

6:05 am-10:37 pm

3 stops20h 32m

$959

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 4/13

5:10 am-8:15 am

2 stops23h 05m

Rio de Janeiro–Galeão Intl

Mon 4/20

9:05 pm-8:36 pm

2 stops27h 31m

$1,066

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 3/3

12:42 am-6:25 am

3 stops24h 43m

Rio de Janeiro–Galeão Intl

Tue 3/10

1:45 am-10:52 pm

3 stops25h 07m

$1,075

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 5/6

5:00 am-8:15 am

2 stops23h 15m

Rio de Janeiro–Galeão Intl

Wed 5/20

9:05 pm-5:18 pm

2 stops24h 13m

$1,076

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 3/13

11:59 pm-10:15 am

3 stops30h 16m

Rio de Janeiro–Galeão Intl

Fri 3/20

1:45 am-10:37 pm

2 stops24h 52m

$1,088

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 4/30

12:40 pm-3:35 pm

3 stops22h 55m

Rio de Janeiro–Galeão Intl

Sun 5/3

1:35 am-11:05 pm

3 stops25h 30m

$1,094

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 6/1

6:30 pm-8:15 am

2 stops33h 45m

Rio de Janeiro–Galeão Intl

Tue 6/9

9:05 pm-9:40 pm

1 stop28h 35m

$1,099

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 3/13

12:42 am-10:15 am

3 stops29h 33m

Rio de Janeiro–Galeão Intl

Thu 3/19

5:40 pm-10:52 pm

3 stops33h 12m

$1,110

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sat 5/23

11:04 pm-10:15 am

1 stop31h 11m

Rio de Janeiro–Galeão Intl

Thu 6/4

9:00 pm-10:57 am

1 stop17h 57m

$1,118

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from Ontario to Rio de Janeiro

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 airlines fly to Rio de Janeiro?

LATAM Airlines, Copa Airlines and American Airlines are the top three most popular airlines that fly to Rio de Janeiro from Ontario according to our data. LATAM Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Rio de Janeiro. Keep in mind that there are 6 different airlines that fly to Rio de Janeiro on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Rio de Janeiro

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Rio de Janeiro 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 (ONT to RIO) flight deals and tips

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

Fastest flight time

22h 10m

Direct flights

None
The fastest flight from Ontario to Rio de Janeiro takes 22h 10m
There are no direct flights from Ontario to Rio de Janeiro. There are no popular flight routes from Ontario to Rio de Janeiro.
Search flight deals

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

    Ontario and Rio de Janeiro are 6268.2 mi apart from one another. A reasonable flight in good conditions will take 22h 10m.

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

    Prices for flights from Ontario Airport to Rio de Janeiro are updated daily.

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

    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 Ontario Airport to Rio de Janeiro.

  • What documentation or ID do you need to fly to Rio de Janeiro?

    The necessary travel and health documents for your Rio de Janeiro 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?

momondo helps you find the best flight between Ontario and Rio de Janeiro by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Rio de Janeiro from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Brazil

Fly into one of these airports located in Rio de Janeiro

Airports listed have a maximum distance of 8.1 mi from Rio de Janeiro
Rio de Janeiro–Galeão Intl Airport
Rio de Janeiro Santos Dumont Airport