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Cheap flights from Ontario to Sao Paulo from $361

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 3/30. 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 Sao Paulo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:13 pm - 8:27 am
ONT
-
GRU
31h 14m
3 stops
Multiple Airlines Logo
2:20 am - 9:45 pm
GRU
-
ONT
23h 25m
2 stops
$898Multiple Airlines
Sun, May 17 - Fri, May 22
Multiple Airlines Logo
11:02 pm - 3:25 am
ONT
-
GRU
24h 23m
3 stops
Multiple Airlines Logo
11:59 pm - 10:52 pm
GRU
-
ONT
26h 53m
3 stops
$908Multiple Airlines
Mon, Mar 23 - Fri, Mar 27
Multiple Airlines Logo
9:13 pm - 8:27 am
ONT
-
GRU
31h 14m
3 stops
Multiple Airlines Logo
10:37 pm - 11:05 pm
GRU
-
ONT
28h 28m
3 stops
$918Multiple Airlines
Sun, Apr 19 - Fri, Apr 24
Multiple Airlines Logo
9:13 pm - 4:17 am
ONT
-
GRU
27h 04m
3 stops
Multiple Airlines Logo
2:20 am - 9:45 pm
GRU
-
ONT
23h 25m
2 stops
$947Multiple Airlines
Sat, Jul 4 - Wed, Aug 5
Multiple Airlines Logo
9:13 pm - 1:10 am
ONT
-
GRU
23h 57m
3 stops
Multiple Airlines Logo
10:37 pm - 11:05 pm
GRU
-
ONT
28h 28m
3 stops
$950Multiple Airlines
Thu, Aug 6 - Fri, Aug 14
Multiple Airlines Logo
11:35 pm - 5:25 am
ONT
-
GRU
25h 50m
3 stops
Multiple Airlines Logo
1:20 am - 9:45 pm
GRU
-
ONT
24h 25m
3 stops
$979Multiple Airlines
Tue, Jun 2 - Mon, Jun 15
Multiple Airlines Logo
9:13 pm - 2:42 am
ONT
-
GRU
25h 29m
3 stops
Multiple Airlines Logo
5:25 am - 11:05 pm
GRU
-
ONT
21h 40m
3 stops
$993Multiple Airlines
Fri, Jun 26 - Mon, Jul 6
Avianca Logo
11:35 pm - 10:30 pm
ONT
-
GRU
18h 55m
2 stops
Avianca Logo
7:35 am - 9:45 pm
GRU
-
ONT
18h 10m
2 stops
$1,005Avianca
Thu, Aug 6 - Sat, Aug 22
Multiple Airlines Logo
9:13 pm - 2:42 am
ONT
-
GRU
25h 29m
3 stops
Multiple Airlines Logo
4:05 am - 11:05 pm
GRU
-
ONT
23h 00m
3 stops
$1,017Multiple Airlines
Fri, Jul 31 - Fri, Aug 14
Avianca Logo
10:30 pm - 10:40 pm
ONT
-
GRU
19h 10m
2 stops
Avianca Logo
5:25 pm - 9:55 pm
GRU
-
ONT
32h 30m
2 stops
$1,032Avianca
Thu, Mar 5 - Wed, Mar 18

Avianca flights from Ontario to Sao Paulo Guarulhos Intl Airport

Our best Avianca deals on Ontario to Sao Paulo Guarulhos Intl Airport flight tickets
Avianca
Aug 6
ONT11:35 pmOntario
18h 55m
2 stops
GRU10:30 pmSao Paulo Guarulhos Intl
Aug 22
GRU7:35 amSao Paulo Guarulhos Intl
18h 10m
2 stops
ONT9:45 pmOntario
$1,005
Avianca
Mar 5
ONT10:30 pmOntario
19h 10m
2 stops
GRU10:40 pmSao Paulo Guarulhos Intl
Mar 18
GRU5:25 pmSao Paulo Guarulhos Intl
32h 30m
2 stops
ONT9:55 pmOntario
$1,032
Avianca
May 21
ONT11:35 pmOntario
18h 55m
2 stops
GRU10:30 pmSao Paulo Guarulhos Intl
Jun 9
GRU7:35 amSao Paulo Guarulhos Intl
18h 10m
2 stops
ONT9:45 pmOntario
$1,077

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
Aug 11
ONT5:00 amOntario
21h 30m
2 stops
GRU6:30 amSao Paulo Guarulhos Intl
Aug 20
GRU9:50 pmSao Paulo Guarulhos Intl
18h 43m
2 stops
ONT12:33 pmOntario
$1,117
United Airlines
Jul 20
ONT5:55 amOntario
20h 35m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
Jul 30
GRU9:50 pmSao Paulo Guarulhos Intl
27h 50m
1 stop
ONT9:40 pmOntario
$1,126
United Airlines
Jul 20
ONT5:55 amOntario
20h 35m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
Aug 6
GRU10:20 pmSao Paulo Guarulhos Intl
28h 08m
1 stop
ONT10:28 pmOntario
$1,127

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 February 20, 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

Sun 5/17

9:13 pm-8:27 am

3 stops31h 14m

Sao Paulo Guarulhos Intl

Fri 5/22

2:20 am-9:45 pm

2 stops23h 25m

$898

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 3/23

11:02 pm-3:25 am

3 stops24h 23m

Sao Paulo Guarulhos Intl

Fri 3/27

11:59 pm-10:52 pm

3 stops26h 53m

$908

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 4/19

9:13 pm-8:27 am

3 stops31h 14m

Sao Paulo Guarulhos Intl

Fri 4/24

10:37 pm-11:05 pm

3 stops28h 28m

$918

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 7/4

9:13 pm-4:17 am

3 stops27h 04m

Sao Paulo Guarulhos Intl

Wed 8/5

2:20 am-9:45 pm

2 stops23h 25m

$947

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 8/6

9:13 pm-1:10 am

3 stops23h 57m

Sao Paulo Guarulhos Intl

Fri 8/14

10:37 pm-11:05 pm

3 stops28h 28m

$950

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 6/2

11:35 pm-5:25 am

3 stops25h 50m

Sao Paulo Guarulhos Intl

Mon 6/15

1:20 am-9:45 pm

3 stops24h 25m

$979

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 6/26

9:13 pm-2:42 am

3 stops25h 29m

Sao Paulo Guarulhos Intl

Mon 7/6

5:25 am-11:05 pm

3 stops21h 40m

$993

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 8/6

11:35 pm-10:30 pm

2 stops18h 55m

Sao Paulo Guarulhos Intl

Sat 8/22

7:35 am-9:45 pm

2 stops18h 10m

$1,005

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 7/31

9:13 pm-2:42 am

3 stops25h 29m

Sao Paulo Guarulhos Intl

Fri 8/14

4:05 am-11:05 pm

3 stops23h 00m

$1,017

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 3/5

10:30 pm-10:40 pm

2 stops19h 10m

Sao Paulo Guarulhos Intl

Wed 3/18

5:25 pm-9:55 pm

2 stops32h 30m

$1,032

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 $674. 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 Friday, with ticket prices averaging around $1,002.

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 $824. Flights in the morning are often more expensive with an average ticket price of $1,108.

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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