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Cheap flights from Ontario to Sao Paulo from $351

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 8/28. 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 Sao Paulo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:36 pm - 2:50 am
ONT
-
GRU
25h 14m
3 stops
Multiple Airlines Logo
11:55 pm - 11:05 pm
GRU
-
ONT
27h 10m
3 stops
$806Multiple Airlines
Mon, Sep 14 - Fri, Sep 18
Multiple Airlines Logo
9:36 pm - 4:20 am
ONT
-
GRU
26h 44m
3 stops
Multiple Airlines Logo
4:08 am - 11:05 pm
GRU
-
ONT
22h 57m
3 stops
$811Multiple Airlines
Sat, Aug 29 - Sun, Sep 13
Multiple Airlines Logo
9:36 pm - 8:40 am
ONT
-
GRU
31h 04m
3 stops
Multiple Airlines Logo
5:20 am - 11:05 pm
GRU
-
ONT
21h 45m
3 stops
$849Multiple Airlines
Sun, Aug 30 - Mon, Sep 14
Multiple Airlines Logo
9:36 pm - 8:40 am
ONT
-
GRU
31h 04m
3 stops
Multiple Airlines Logo
5:20 am - 11:05 pm
GRU
-
ONT
21h 45m
3 stops
$854Multiple Airlines
Sun, Aug 30 - Mon, Sep 14
Multiple Airlines Logo
12:55 am - 8:40 am
ONT
-
GRU
27h 45m
3 stops
Multiple Airlines Logo
5:15 pm - 11:05 pm
GRU
-
ONT
33h 50m
3 stops
$855Multiple Airlines
Sun, Aug 23 - Tue, Sep 8
Multiple Airlines Logo
9:36 pm - 3:08 am
ONT
-
GRU
25h 32m
3 stops
Multiple Airlines Logo
4:08 am - 11:05 pm
GRU
-
ONT
22h 57m
3 stops
$871Multiple Airlines
Fri, Sep 4 - Sun, Sep 13
Multiple Airlines Logo
9:36 pm - 2:50 am
ONT
-
GRU
25h 14m
3 stops
Multiple Airlines Logo
5:15 pm - 11:05 pm
GRU
-
ONT
33h 50m
3 stops
$879Multiple Airlines
Mon, Oct 5 - Wed, Oct 21
Multiple Airlines Logo
9:36 pm - 2:50 am
ONT
-
GRU
25h 14m
3 stops
Multiple Airlines Logo
5:15 pm - 11:05 pm
GRU
-
ONT
33h 50m
3 stops
$887Multiple Airlines
Mon, Aug 10 - Tue, Aug 18
Multiple Airlines Logo
9:36 pm - 9:20 am
ONT
-
GRU
31h 44m
3 stops
Multiple Airlines Logo
5:15 pm - 11:05 pm
GRU
-
ONT
33h 50m
3 stops
$891Multiple Airlines
Tue, Aug 4 - Wed, Aug 19
Multiple Airlines Logo
9:36 pm - 9:20 am
ONT
-
GRU
31h 44m
3 stops
Multiple Airlines Logo
7:10 pm - 11:05 pm
GRU
-
ONT
31h 55m
3 stops
$901Multiple Airlines
Tue, Aug 4 - Tue, Aug 18

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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
Oct 13
ONT11:35 pmOntario
18h 55m
2 stops
GRU10:30 pmSao Paulo Guarulhos Intl
Oct 22
GRU7:35 amSao Paulo Guarulhos Intl
18h 10m
2 stops
ONT9:45 pmOntario
$1,074
Avianca
Dec 1
ONT10:30 pmOntario
19h 10m
2 stops
GRU10:40 pmSao Paulo Guarulhos Intl
Dec 12
GRU7:35 amSao Paulo Guarulhos Intl
18h 20m
2 stops
ONT8:55 pmOntario
$1,090
Avianca
Sep 1
ONT11:35 pmOntario
18h 55m
2 stops
GRU10:30 pmSao Paulo Guarulhos Intl
Sep 8
GRU7:35 amSao Paulo Guarulhos Intl
18h 10m
2 stops
ONT9:45 pmOntario
$1,152

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
Nov 3
ONT6:46 amOntario
19h 29m
1 stop
GRU7:15 amSao Paulo Guarulhos Intl
Nov 16
GRU9:30 pmSao Paulo Guarulhos Intl
25h 59m
1 stop
ONT6:29 pmOntario
$1,204
United Airlines
Aug 24
ONT6:00 amOntario
20h 30m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
Sep 24
GRU9:30 pmSao Paulo Guarulhos Intl
21h 52m
2 stops
ONT3:22 pmOntario
$1,208
United Airlines
Aug 3
ONT5:00 amOntario
24h 40m
2 stops
GRU9:40 amSao Paulo Guarulhos Intl
Aug 17
GRU9:50 pmSao Paulo Guarulhos Intl
18h 22m
2 stops
ONT12:12 pmOntario
$1,266

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 July 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

Cheapest round-trip

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 9/14

9:36 pm-2:50 am

3 stops25h 14m

Sao Paulo Guarulhos Intl

Fri 9/18

11:55 pm-11:05 pm

3 stops27h 10m

$806

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 8/29

9:36 pm-4:20 am

3 stops26h 44m

Sao Paulo Guarulhos Intl

Sun 9/13

4:08 am-11:05 pm

3 stops22h 57m

$811

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 8/30

9:36 pm-8:40 am

3 stops31h 04m

Sao Paulo Guarulhos Intl

Mon 9/14

5:20 am-11:05 pm

3 stops21h 45m

$849

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 8/30

9:36 pm-8:40 am

3 stops31h 04m

Sao Paulo Guarulhos Intl

Mon 9/14

5:20 am-11:05 pm

3 stops21h 45m

$854

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 8/23

12:55 am-8:40 am

3 stops27h 45m

Sao Paulo Guarulhos Intl

Tue 9/8

5:15 pm-11:05 pm

3 stops33h 50m

$855
Quickest round-trip

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 9/4

9:36 pm-3:08 am

3 stops25h 32m

Sao Paulo Guarulhos Intl

Sun 9/13

4:08 am-11:05 pm

3 stops22h 57m

$871

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 10/5

9:36 pm-2:50 am

3 stops25h 14m

Sao Paulo Guarulhos Intl

Wed 10/21

5:15 pm-11:05 pm

3 stops33h 50m

$879

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 8/10

9:36 pm-2:50 am

3 stops25h 14m

Sao Paulo Guarulhos Intl

Tue 8/18

5:15 pm-11:05 pm

3 stops33h 50m

$887

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 8/4

9:36 pm-9:20 am

3 stops31h 44m

Sao Paulo Guarulhos Intl

Wed 8/19

5:15 pm-11:05 pm

3 stops33h 50m

$891

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 8/4

9:36 pm-9:20 am

3 stops31h 44m

Sao Paulo Guarulhos Intl

Tue 8/18

7:10 pm-11:05 pm

3 stops31h 55m

$901

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 $728. 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 $1,062.

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 $941. Flights in the morning are often more expensive with an average ticket price of $1,155.

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

18h 55m

Direct flights

None
The fastest flight from Ontario to Sao Paulo Guarulhos Intl Airport takes 18h 55m
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 18h 55m.

  • 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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