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Cheap flights from Ontario to Rio de Janeiro from $495

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 8/14. 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 Ontario to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:55 am - 3:35 pm
ONT
-
GIG
34h 40m
3 stops
Multiple Airlines Logo
5:35 pm - 11:05 pm
GIG
-
ONT
33h 30m
3 stops
$981Multiple Airlines
Sun, Aug 30 - Mon, Sep 14
Multiple Airlines Logo
12:55 am - 3:35 pm
ONT
-
GIG
34h 40m
3 stops
Multiple Airlines Logo
7:35 pm - 11:05 pm
GIG
-
ONT
31h 30m
3 stops
$984Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
9:36 pm - 6:15 am
ONT
-
GIG
28h 39m
3 stops
Multiple Airlines Logo
5:25 pm - 11:05 pm
GIG
-
ONT
33h 40m
3 stops
$987Multiple Airlines
Fri, Aug 14 - Mon, Aug 17
Multiple Airlines Logo
12:55 am - 3:35 pm
ONT
-
GIG
34h 40m
3 stops
Multiple Airlines Logo
5:35 pm - 11:05 pm
GIG
-
ONT
33h 30m
3 stops
$990Multiple Airlines
Wed, Aug 19 - Wed, Sep 2
Multiple Airlines Logo
9:36 pm - 6:15 am
ONT
-
GIG
28h 39m
3 stops
Multiple Airlines Logo
5:25 pm - 11:05 pm
GIG
-
ONT
33h 40m
3 stops
$992Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
9:36 pm - 6:15 am
ONT
-
GIG
28h 39m
3 stops
Multiple Airlines Logo
5:35 pm - 11:05 pm
GIG
-
ONT
33h 30m
3 stops
$997Multiple Airlines
Thu, Aug 20 - Thu, Sep 3
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
$1,000Multiple Airlines
Tue, Oct 6 - Wed, Oct 21
Multiple Airlines Logo
9:36 pm - 6:15 am
ONT
-
GIG
28h 39m
3 stops
Multiple Airlines Logo
5:35 pm - 11:05 pm
GIG
-
ONT
33h 30m
3 stops
$1,001Multiple Airlines
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
12:55 am - 3:35 pm
ONT
-
GIG
34h 40m
3 stops
Multiple Airlines Logo
5:25 pm - 11:05 pm
GIG
-
ONT
33h 40m
3 stops
$1,007Multiple Airlines
Sat, Aug 22 - Thu, Aug 27
Multiple Airlines Logo
9:36 pm - 6:15 am
ONT
-
GIG
28h 39m
3 stops
Multiple Airlines Logo
5:35 pm - 11:05 pm
GIG
-
ONT
33h 30m
3 stops
$1,012Multiple Airlines
Mon, Aug 24 - Mon, Sep 7

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

Our best Avianca deals on Ontario to Rio de Janeiro–Galeão Intl Airport flight tickets
Avianca
Nov 7
ONT10:30 pmOntario
21h 10m
2 stops
GIG12:40 amRio de Janeiro–Galeão Intl
Nov 25
GIG4:50 pmRio de Janeiro–Galeão Intl
33h 05m
2 stops
ONT8:55 pmOntario
$1,182
Avianca
Sep 5
ONT11:35 pmOntario
20h 55m
2 stops
GIG12:30 amRio de Janeiro–Galeão Intl
Oct 6
GIG7:20 amRio de Janeiro–Galeão Intl
18h 25m
2 stops
ONT9:45 pmOntario
$1,223
Avianca
Jul 28
ONT11:35 pmOntario
20h 55m
2 stops
GIG12:30 amRio de Janeiro–Galeão Intl
Aug 10
GIG1:35 amRio de Janeiro–Galeão Intl
24h 10m
2 stops
ONT9:45 pmOntario
$1,424

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
Oct 28
ONT6:00 amOntario
23h 35m
1 stop
GIG9:35 amRio de Janeiro–Galeão Intl
Nov 11
GIG9:55 pmRio de Janeiro–Galeão Intl
19h 06m
2 stops
ONT12:01 pmOntario
$1,167
United Airlines
Oct 8
ONT6:00 amOntario
22h 15m
1 stop
GIG8:15 amRio de Janeiro–Galeão Intl
Oct 22
GIG9:05 pmRio de Janeiro–Galeão Intl
28h 54m
1 stop
ONT9:59 pmOntario
$1,176
United Airlines
Nov 8
ONT6:00 amOntario
22h 35m
2 stops
GIG9:35 amRio de Janeiro–Galeão Intl
Nov 23
GIG9:55 pmRio de Janeiro–Galeão Intl
19h 06m
2 stops
ONT12:01 pmOntario
$1,207

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 July 15, 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

Cheapest round-trip

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sun 8/30

12:55 am-3:35 pm

3 stops34h 40m

Rio de Janeiro–Galeão Intl

Mon 9/14

5:35 pm-11:05 pm

3 stops33h 30m

$981

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 8/28

12:55 am-3:35 pm

3 stops34h 40m

Rio de Janeiro–Galeão Intl

Fri 9/4

7:35 pm-11:05 pm

3 stops31h 30m

$984

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Fri 8/14

9:36 pm-6:15 am

3 stops28h 39m

Rio de Janeiro–Galeão Intl

Mon 8/17

5:25 pm-11:05 pm

3 stops33h 40m

$987

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 8/19

12:55 am-3:35 pm

3 stops34h 40m

Rio de Janeiro–Galeão Intl

Wed 9/2

5:35 pm-11:05 pm

3 stops33h 30m

$990

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 8/17

9:36 pm-6:15 am

3 stops28h 39m

Rio de Janeiro–Galeão Intl

Mon 8/24

5:25 pm-11:05 pm

3 stops33h 40m

$992
Quickest round-trip

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Thu 8/20

9:36 pm-6:15 am

3 stops28h 39m

Rio de Janeiro–Galeão Intl

Thu 9/3

5:35 pm-11:05 pm

3 stops33h 30m

$997

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Tue 10/6

12:55 am-3:35 pm

3 stops34h 40m

Rio de Janeiro–Galeão Intl

Wed 10/21

4:40 pm-11:05 pm

3 stops34h 25m

$1,000

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Wed 8/26

9:36 pm-6:15 am

3 stops28h 39m

Rio de Janeiro–Galeão Intl

Wed 9/9

5:35 pm-11:05 pm

3 stops33h 30m

$1,001

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Sat 8/22

12:55 am-3:35 pm

3 stops34h 40m

Rio de Janeiro–Galeão Intl

Thu 8/27

5:25 pm-11:05 pm

3 stops33h 40m

$1,007

OntarioRio de Janeiro

ONT - GIG

ONTGIG

Ontario

Mon 8/24

9:36 pm-6:15 am

3 stops28h 39m

Rio de Janeiro–Galeão Intl

Mon 9/7

5:35 pm-11:05 pm

3 stops33h 30m

$1,012

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–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 52% of people opting to fly with this airline when traveling to Rio de Janeiro–Galeão Intl Airport. Keep in mind that there are 6 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

20h 10m

Direct flights

None
The fastest flight from Ontario to Rio de Janeiro–Galeão Intl Airport takes 20h 10m
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

Frequently asked questions about flying from Ontario to Rio de Janeiro–Galeão Intl Airport

  • 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 20h 10m.

  • 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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Fri 8/14
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