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Cheap flights from Ontario to Sao Paulo from $376

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 Sao Paulo departing on 5/12. 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 Sao Paulo

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 6:45 am
ONT
-
GRU
20h 45m1 stop
United Airlines Logo
9:50 pm - 12:14 pm
GRU
-
ONT
18h 24m2 stops
$1,097United Airlines
Tue, Mar 31 - Tue, Apr 28
United Airlines Logo
6:00 am - 9:30 am
ONT
-
GRU
22h 30m1 stop
United Airlines Logo
10:15 pm - 8:07 pm
GRU
-
ONT
26h 52m2 stops
$1,172United Airlines
Thu, Feb 19 - Thu, Feb 26
United Airlines Logo
6:00 am - 9:30 am
ONT
-
GRU
23h 30m1 stop
United Airlines Logo
10:15 pm - 10:25 pm
GRU
-
ONT
28h 10m1 stop
$1,187United Airlines
Sat, Mar 14 - Fri, Mar 27
United Airlines Logo
6:10 am - 9:30 am
ONT
-
GRU
22h 20m2 stops
United Airlines Logo
9:45 pm - 12:49 pm
GRU
-
ONT
19h 04m2 stops
$1,247United Airlines
Fri, Feb 13 - Mon, Mar 9
LATAM Airlines Logo
1:15 pm - 9:35 am
ONT
-
GRU
15h 20m1 stop
LATAM Airlines Logo
10:50 pm - 11:29 am
GRU
-
ONT
16h 39m1 stop
$1,251LATAM Airlines
Fri, Feb 27 - Fri, Apr 24
United Airlines Logo
6:10 am - 9:30 am
ONT
-
GRU
22h 20m2 stops
United Airlines Logo
9:30 pm - 12:48 pm
GRU
-
ONT
19h 18m2 stops
$1,252United Airlines
Fri, Feb 27 - Fri, Mar 13
Avianca Logo
10:30 pm - 10:40 pm
ONT
-
GRU
19h 10m2 stops
Avianca Logo
7:35 am - 8:55 pm
GRU
-
ONT
18h 20m2 stops
$1,261Avianca
Sat, Jan 31 - Tue, Feb 17
Avianca Logo
10:30 pm - 10:40 pm
ONT
-
GRU
19h 10m2 stops
Avianca Logo
7:35 am - 9:55 pm
GRU
-
ONT
18h 20m2 stops
$1,273Avianca
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
11:02 pm - 5:40 am
ONT
-
GRU
25h 38m3 stops
Multiple Airlines Logo
5:25 pm - 8:11 pm
GRU
-
ONT
31h 46m3 stops
$1,281Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
12:42 am - 5:40 am
ONT
-
GRU
23h 58m3 stops
Multiple Airlines Logo
5:25 pm - 8:11 pm
GRU
-
ONT
31h 46m3 stops
$1,284Multiple Airlines
Wed, Jan 21 - Sat, Feb 7

United Airlines flights from Ontario to Sao Paulo Guarulhos Intl Airport

Our best United Airlines deals on Ontario to Sao Paulo Guarulhos Intl Airport flight tickets
United Airlines
Mar 31
ONT6:00 amOntario
20h 45m
1 stop
GRU6:45 amSao Paulo Guarulhos Intl
Apr 28
GRU9:50 pmSao Paulo Guarulhos Intl
18h 24m
2 stops
ONT12:14 pmOntario
$1,097
Find similar
United Airlines
May 21
ONT6:02 amOntario
20h 28m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
Jun 9
GRU9:50 pmSao Paulo Guarulhos Intl
18h 43m
2 stops
ONT12:33 pmOntario
$1,122
Find similar
United Airlines
May 3
ONT6:05 amOntario
20h 25m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
May 20
GRU9:50 pmSao Paulo Guarulhos Intl
18h 43m
2 stops
ONT12:33 pmOntario
$1,137
Find similar

LATAM Airlines flights from Ontario to Sao Paulo Guarulhos Intl Airport

Our best LATAM Airlines deals on Ontario to Sao Paulo Guarulhos Intl Airport flight tickets
LATAM Airlines
Feb 27
ONT1:15 pmOntario
15h 20m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Apr 24
GRU10:50 pmSao Paulo Guarulhos Intl
16h 39m
1 stop
ONT11:29 amOntario
$1,251
Find similar
LATAM Airlines
Apr 23
ONT7:00 amOntario
18h 40m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Apr 27
GRU10:50 pmSao Paulo Guarulhos Intl
16h 39m
1 stop
ONT11:29 amOntario
$1,309
Find similar
LATAM Airlines
Jan 21
ONT12:41 pmOntario
15h 54m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Feb 3
GRU11:45 pmSao Paulo Guarulhos Intl
16h 46m
1 stop
ONT11:31 amOntario
$1,334
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Sao Paulo Guarulhos 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 January 6, 2026.
Use the filters below to find and compare flights from Ontario to Sao Paulo Guarulhos Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 3/31

6:00 am-6:45 am

1 stop20h 45m

Sao Paulo Guarulhos Intl

Tue 4/28

9:50 pm-12:14 pm

2 stops18h 24m

$1,097

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 2/19

6:00 am-9:30 am

1 stop22h 30m

Sao Paulo Guarulhos Intl

Thu 2/26

10:15 pm-8:07 pm

2 stops26h 52m

$1,172

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 3/14

6:00 am-9:30 am

1 stop23h 30m

Sao Paulo Guarulhos Intl

Fri 3/27

10:15 pm-10:25 pm

1 stop28h 10m

$1,187

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 2/13

6:10 am-9:30 am

2 stops22h 20m

Sao Paulo Guarulhos Intl

Mon 3/9

9:45 pm-12:49 pm

2 stops19h 04m

$1,247

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 2/27

1:15 pm-9:35 am

1 stop15h 20m

Sao Paulo Guarulhos Intl

Fri 4/24

10:50 pm-11:29 am

1 stop16h 39m

$1,251

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 2/27

6:10 am-9:30 am

2 stops22h 20m

Sao Paulo Guarulhos Intl

Fri 3/13

9:30 pm-12:48 pm

2 stops19h 18m

$1,252

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 1/31

10:30 pm-10:40 pm

2 stops19h 10m

Sao Paulo Guarulhos Intl

Tue 2/17

7:35 am-8:55 pm

2 stops18h 20m

$1,261

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 3/3

10:30 pm-10:40 pm

2 stops19h 10m

Sao Paulo Guarulhos Intl

Tue 3/10

7:35 am-9:55 pm

2 stops18h 20m

$1,273

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 1/31

11:02 pm-5:40 am

3 stops25h 38m

Sao Paulo Guarulhos Intl

Sat 2/7

5:25 pm-8:11 pm

3 stops31h 46m

$1,281

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 1/21

12:42 am-5:40 am

3 stops23h 58m

Sao Paulo Guarulhos Intl

Sat 2/7

5:25 pm-8:11 pm

3 stops31h 46m

$1,284

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 Sao Paulo from

How to get the cheapest flight ticket from Ontario to Sao Paulo Guarulhos 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 Sao Paulo Guarulhos Intl Airport?

On average, the least expensive day to fly to Sao Paulo Guarulhos Intl Airport from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $676. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Sao Paulo Guarulhos Intl Airport is Saturday, with ticket prices averaging around $971.

What is the cheapest time of day to depart on your flight to Sao Paulo Guarulhos Intl Airport?

Our data shows that the cheapest Ontario to Sao Paulo Guarulhos Intl Airport flights are usually those with departure times at noon. Our users have found flights to Sao Paulo Guarulhos Intl Airport at noon for as low as $814. Flights in the morning are often more expensive with an average ticket price of $998.

When to book flights from Ontario to Sao Paulo Guarulhos Intl Airport

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

Cheap Ontario to Sao Paulo Guarulhos Intl Airport (ONT to GRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Sao Paulo Guarulhos Intl Airport

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Ontario to Sao Paulo Guarulhos Intl Airport takes 15h 20m
There are no direct flights from Ontario to Sao Paulo Guarulhos Intl Airport. There are no popular flight routes from Ontario to Sao Paulo Guarulhos Intl Airport.
Search flight deals

  • How far is Ontario to Sao Paulo Guarulhos Intl by plane?

    Ontario and Sao Paulo Guarulhos Intl are 6124.9 mi apart from one another. In terms of flight time, this usually takes a little over 15h 20m.

  • When did momondo last update prices for flights from Ontario Airport to Sao Paulo Guarulhos Intl Airport?

    Prices for flights from Ontario Airport to Sao Paulo Guarulhos Intl Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Sao Paulo Guarulhos 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 Sao Paulo Guarulhos Intl Airport.

  • What documentation or ID do you need to fly to Sao Paulo Guarulhos Intl Airport?

    The necessary travel and health documents for your Sao Paulo Guarulhos 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.

Traveling to a place near Sao Paulo?

Book flights to Sao Paulo if you plan to visit one of these locations
Guarulhos
Santos
Guarujá
Campinas
Aparecida

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Sao Paulo?

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

Can I find flights from Ontario to Sao Paulo with flexible booking policies on momondo?

All flight searches from Ontario to Sao Paulo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Sao Paulo?

momondo helps you find the best flight between Ontario and Sao Paulo 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 Sao Paulo right now. Can momondo alert me if prices change?

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

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