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Cheap flights from Ontario to Sao Paulo from $381

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 6/21. 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.
Multiple Airlines Logo
9:36 pm - 9:20 am
ONT
-
GRU
31h 44m
3 stops
Multiple Airlines Logo
1:00 am - 11:05 pm
GRU
-
ONT
26h 05m
3 stops
$847Multiple Airlines
Tue, Jun 2 - Wed, Jun 10
Multiple Airlines Logo
12:55 am - 8:40 am
ONT
-
GRU
27h 45m
3 stops
Multiple Airlines Logo
1:00 am - 11:05 pm
GRU
-
ONT
26h 05m
3 stops
$878Multiple Airlines
Sun, Jun 21 - Wed, Jun 24
Multiple Airlines Logo
12:55 am - 9:20 am
ONT
-
GRU
28h 25m
3 stops
Multiple Airlines Logo
3:50 am - 11:05 pm
GRU
-
ONT
23h 15m
3 stops
$916Multiple Airlines
Tue, Jun 30 - Thu, Jul 9
Multiple Airlines Logo
12:55 am - 9:20 am
ONT
-
GRU
28h 25m
3 stops
Multiple Airlines Logo
1:00 am - 11:05 pm
GRU
-
ONT
26h 05m
3 stops
$922Multiple Airlines
Tue, Jun 2 - Wed, Jun 10
Multiple Airlines Logo
9:36 pm - 9:20 am
ONT
-
GRU
31h 44m
3 stops
Multiple Airlines Logo
3:50 am - 11:05 pm
GRU
-
ONT
23h 15m
3 stops
$925Multiple Airlines
Tue, Aug 18 - Thu, Aug 27
Multiple Airlines Logo
12:55 am - 8:40 am
ONT
-
GRU
27h 45m
3 stops
Multiple Airlines Logo
1:00 am - 11:05 pm
GRU
-
ONT
26h 05m
3 stops
$929Multiple Airlines
Sun, Jul 5 - Mon, Jul 20
Multiple Airlines Logo
9:36 pm - 3:08 am
ONT
-
GRU
25h 32m
3 stops
Multiple Airlines Logo
5:15 pm - 11:05 pm
GRU
-
ONT
33h 50m
3 stops
$939Multiple Airlines
Fri, Aug 28 - Mon, Aug 31
Multiple Airlines Logo
9:36 pm - 2:50 am
ONT
-
GRU
25h 14m
3 stops
Multiple Airlines Logo
3:50 am - 11:05 pm
GRU
-
ONT
23h 15m
3 stops
$970Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
Multiple Airlines Logo
9:36 pm - 2:50 am
ONT
-
GRU
25h 14m
3 stops
Multiple Airlines Logo
5:20 am - 11:05 pm
GRU
-
ONT
21h 45m
3 stops
$971Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
12:55 am - 9:20 am
ONT
-
GRU
28h 25m
3 stops
Multiple Airlines Logo
9:30 pm - 11:05 pm
GRU
-
ONT
29h 35m
3 stops
$989Multiple Airlines
Tue, Jun 2 - Sat, Jun 13

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
Jul 6
ONT5:00 amOntario
24h 30m
2 stops
GRU9:30 amSao Paulo Guarulhos Intl
Jul 14
GRU10:20 pmSao Paulo Guarulhos Intl
26h 22m
2 stops
ONT8:42 pmOntario
$1,158
United Airlines
May 27
ONT5:45 amOntario
20h 45m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
Jul 6
GRU9:50 pmSao Paulo Guarulhos Intl
26h 52m
2 stops
ONT8:42 pmOntario
$1,216
United Airlines
May 27
ONT6:30 amOntario
23h 10m
1 stop
GRU9:40 amSao Paulo Guarulhos Intl
Jul 9
GRU9:50 pmSao Paulo Guarulhos Intl
28h 05m
1 stop
ONT9:55 pmOntario
$1,225

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 May 23, 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

Cheapest round-trip

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 6/2

9:36 pm-9:20 am

3 stops31h 44m

Sao Paulo Guarulhos Intl

Wed 6/10

1:00 am-11:05 pm

3 stops26h 05m

$847

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 6/21

12:55 am-8:40 am

3 stops27h 45m

Sao Paulo Guarulhos Intl

Wed 6/24

1:00 am-11:05 pm

3 stops26h 05m

$878

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 6/30

12:55 am-9:20 am

3 stops28h 25m

Sao Paulo Guarulhos Intl

Thu 7/9

3:50 am-11:05 pm

3 stops23h 15m

$916

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 6/2

12:55 am-9:20 am

3 stops28h 25m

Sao Paulo Guarulhos Intl

Wed 6/10

1:00 am-11:05 pm

3 stops26h 05m

$922

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 8/18

9:36 pm-9:20 am

3 stops31h 44m

Sao Paulo Guarulhos Intl

Thu 8/27

3:50 am-11:05 pm

3 stops23h 15m

$925

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 7/5

12:55 am-8:40 am

3 stops27h 45m

Sao Paulo Guarulhos Intl

Mon 7/20

1:00 am-11:05 pm

3 stops26h 05m

$929

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 8/28

9:36 pm-3:08 am

3 stops25h 32m

Sao Paulo Guarulhos Intl

Mon 8/31

5:15 pm-11:05 pm

3 stops33h 50m

$939

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 6/15

9:36 pm-2:50 am

3 stops25h 14m

Sao Paulo Guarulhos Intl

Thu 6/18

3:50 am-11:05 pm

3 stops23h 15m

$970
Quickest round-trip

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 8/17

9:36 pm-2:50 am

3 stops25h 14m

Sao Paulo Guarulhos Intl

Mon 8/24

5:20 am-11:05 pm

3 stops21h 45m

$971

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 6/2

12:55 am-9:20 am

3 stops28h 25m

Sao Paulo Guarulhos Intl

Sat 6/13

9:30 pm-11:05 pm

3 stops29h 35m

$989

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 $701. 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 $1,056.

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 $915. Flights in the morning are often more expensive with an average ticket price of $1,139.

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

20h 30m

Direct flights

None
The fastest flight from Ontario to Sao Paulo Guarulhos Intl Airport takes 20h 30m
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

Frequently asked questions about flying from Ontario to Sao Paulo Guarulhos Intl Airport

  • 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 20h 30m.

  • 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
Campinas
Guarujá
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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