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Cheap flights from Ontario to Rio de Janeiro from $488

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 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:13 pm - 10:45 am
ONT
-
GIG
33h 32m
3 stops
Multiple Airlines Logo
4:40 pm - 9:45 pm
GIG
-
ONT
33h 05m
2 stops
$945Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
9:13 pm - 10:45 am
ONT
-
GIG
33h 32m
3 stops
Multiple Airlines Logo
5:20 pm - 11:05 pm
GIG
-
ONT
33h 45m
3 stops
$951Multiple Airlines
Mon, Jul 6 - Fri, Jul 17
Multiple Airlines Logo
9:13 pm - 10:45 am
ONT
-
GIG
33h 32m
3 stops
Multiple Airlines Logo
8:50 pm - 11:05 pm
GIG
-
ONT
30h 15m
3 stops
$968Multiple Airlines
Mon, Jun 22 - Mon, Jun 29
Multiple Airlines Logo
12:27 am - 4:25 pm
ONT
-
GIG
35h 58m
3 stops
Multiple Airlines Logo
5:20 pm - 11:05 pm
GIG
-
ONT
33h 45m
3 stops
$971Multiple Airlines
Tue, Mar 24 - Wed, Apr 1
Multiple Airlines Logo
11:02 pm - 2:20 pm
ONT
-
GIG
35h 18m
3 stops
Multiple Airlines Logo
8:50 pm - 11:15 pm
GIG
-
ONT
30h 25m
3 stops
$975Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Avianca Logo
11:35 pm - 3:35 pm
ONT
-
GIG
36h 00m
3 stops
Avianca Logo
1:35 am - 9:45 pm
GIG
-
ONT
24h 10m
2 stops
$985Avianca
Sat, Jul 18 - Fri, Jul 24
Multiple Airlines Logo
12:27 am - 6:25 am
ONT
-
GIG
25h 58m
3 stops
Multiple Airlines Logo
1:45 am - 10:37 pm
GIG
-
ONT
24h 52m
3 stops
$1,007Multiple Airlines
Sun, Mar 8 - Wed, Mar 11
Multiple Airlines Logo
11:35 pm - 6:05 am
ONT
-
GIG
26h 30m
3 stops
Multiple Airlines Logo
4:40 pm - 9:45 pm
GIG
-
ONT
33h 05m
3 stops
$1,029Multiple Airlines
Thu, May 28 - Fri, Jun 5
Multiple Airlines Logo
11:02 pm - 10:15 am
ONT
-
GIG
31h 13m
3 stops
Multiple Airlines Logo
6:05 am - 10:37 pm
GIG
-
ONT
20h 32m
3 stops
$1,030Multiple Airlines
Fri, Mar 13 - Sat, Mar 21
Multiple Airlines Logo
12:55 am - 3:35 pm
ONT
-
GIG
34h 40m
3 stops
Multiple Airlines Logo
4:40 pm - 11:05 pm
GIG
-
ONT
34h 25m
3 stops
$1,044Multiple Airlines
Sun, Apr 12 - Fri, Apr 24

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

Our best United Airlines deals on Ontario to Rio de Janeiro–Galeão Intl Airport flight tickets
United Airlines
Aug 10
ONT5:00 amOntario
23h 15m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
Aug 20
GIG9:05 pmRio de Janeiro–Galeão Intl
24h 13m
2 stops
ONT5:18 pmOntario
$1,066
United Airlines
May 11
ONT6:00 amOntario
22h 15m
1 stop
GIG8:15 amRio de Janeiro–Galeão Intl
May 18
GIG9:05 pmRio de Janeiro–Galeão Intl
28h 53m
1 stop
ONT9:58 pmOntario
$1,075
United Airlines
May 11
ONT5:00 amOntario
23h 15m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
May 18
GIG9:05 pmRio de Janeiro–Galeão Intl
28h 53m
1 stop
ONT9:58 pmOntario
$1,079

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 10
ONT12:57 pmOntario
14h 23m
1 stop
GIG7:20 amRio de Janeiro–Galeão Intl
Mar 17
GIG9:30 pmRio de Janeiro–Galeão Intl
18h 17m
1 stop
ONT11:47 amOntario
$1,692
LATAM Airlines
Mar 10
ONT12:57 pmOntario
14h 23m
1 stop
GIG7:20 amRio de Janeiro–Galeão Intl
Mar 15
GIG9:30 pmRio de Janeiro–Galeão Intl
18h 17m
1 stop
ONT11:47 amOntario
$4,410
LATAM Airlines
Mar 9
ONT12:57 pmOntario
14h 23m
1 stop
GIG7:20 amRio de Janeiro–Galeão Intl
Mar 18
GIG9:30 pmRio de Janeiro–Galeão Intl
18h 17m
1 stop
ONT11:47 amOntario
$7,030

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 February 27, 2026.
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 8/10

9:13 pm-10:45 am

3 stops33h 32m

Rio de Janeiro–Galeão Intl

Mon 8/17

4:40 pm-9:45 pm

2 stops33h 05m

$945

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 7/6

9:13 pm-10:45 am

3 stops33h 32m

Rio de Janeiro–Galeão Intl

Fri 7/17

5:20 pm-11:05 pm

3 stops33h 45m

$951

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 6/22

9:13 pm-10:45 am

3 stops33h 32m

Rio de Janeiro–Galeão Intl

Mon 6/29

8:50 pm-11:05 pm

3 stops30h 15m

$968

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 3/24

12:27 am-4:25 pm

3 stops35h 58m

Rio de Janeiro–Galeão Intl

Wed 4/1

5:20 pm-11:05 pm

3 stops33h 45m

$971

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 3/23

11:02 pm-2:20 pm

3 stops35h 18m

Rio de Janeiro–Galeão Intl

Mon 3/30

8:50 pm-11:15 pm

3 stops30h 25m

$975

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sat 7/18

11:35 pm-3:35 pm

3 stops36h 00m

Rio de Janeiro–Galeão Intl

Fri 7/24

1:35 am-9:45 pm

2 stops24h 10m

$985

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 3/8

12:27 am-6:25 am

3 stops25h 58m

Rio de Janeiro–Galeão Intl

Wed 3/11

1:45 am-10:37 pm

3 stops24h 52m

$1,007

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 5/28

11:35 pm-6:05 am

3 stops26h 30m

Rio de Janeiro–Galeão Intl

Fri 6/5

4:40 pm-9:45 pm

3 stops33h 05m

$1,029

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 3/13

11:02 pm-10:15 am

3 stops31h 13m

Rio de Janeiro–Galeão Intl

Sat 3/21

6:05 am-10:37 pm

3 stops20h 32m

$1,030

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 4/12

12:55 am-3:35 pm

3 stops34h 40m

Rio de Janeiro–Galeão Intl

Fri 4/24

4:40 pm-11:05 pm

3 stops34h 25m

$1,044

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 airline that flies from Ontario to Rio de Janeiro–Galeão Intl?

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

What airlines fly to Rio de Janeiro–Galeão Intl Airport?

LATAM Airlines, Copa Airlines and American Airlines are the top three most popular airlines that fly to Rio de Janeiro–Galeão Intl Airport from Ontario according to our data. LATAM Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Rio de Janeiro–Galeão Intl Airport. Keep in mind that there are 7 different airlines that fly to Rio de Janeiro–Galeão Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

22h 13m

Direct flights

None
The fastest flight from Ontario to Rio de Janeiro–Galeão Intl Airport takes 22h 13m
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.
Search flight deals

  • 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 22h 13m.

  • 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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