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Cheap flights from Ontario to Sao Paulo from $379

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 4/7. 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
12:55 am - 8:40 am
ONT
-
GRU
27h 45m
3 stops
Multiple Airlines Logo
5:20 am - 11:05 pm
GRU
-
ONT
21h 45m
3 stops
$916Multiple Airlines
Sun, Jul 26 - Mon, Aug 3
Multiple Airlines Logo
12:55 am - 4:05 pm
ONT
-
GRU
35h 10m
3 stops
Multiple Airlines Logo
1:00 am - 11:05 pm
GRU
-
ONT
26h 05m
3 stops
$924Multiple Airlines
Thu, Jun 4 - Wed, Jun 10
Multiple Airlines Logo
9:36 pm - 5:25 am
ONT
-
GRU
27h 49m
2 stops
Multiple Airlines Logo
9:30 pm - 11:05 pm
GRU
-
ONT
29h 35m
3 stops
$1,000Multiple Airlines
Sun, May 10 - Tue, May 26
Multiple Airlines Logo
9:36 pm - 5:25 am
ONT
-
GRU
27h 49m
2 stops
Multiple Airlines Logo
9:30 pm - 11:05 pm
GRU
-
ONT
29h 35m
3 stops
$1,006Multiple Airlines
Sun, May 10 - Tue, May 26
Multiple Airlines Logo
12:55 am - 8:40 am
ONT
-
GRU
27h 45m
3 stops
Multiple Airlines Logo
11:55 pm - 11:05 pm
GRU
-
ONT
27h 10m
3 stops
$1,009Multiple Airlines
Sun, Jun 7 - Fri, Jun 12
Multiple Airlines Logo
9:36 pm - 5:25 am
ONT
-
GRU
27h 49m
2 stops
Multiple Airlines Logo
9:30 pm - 11:05 pm
GRU
-
ONT
29h 35m
3 stops
$1,010Multiple Airlines
Sun, May 10 - Tue, May 26
Multiple Airlines Logo
9:36 pm - 4:20 am
ONT
-
GRU
26h 44m
3 stops
Multiple Airlines Logo
8:35 pm - 9:45 pm
GRU
-
ONT
29h 10m
3 stops
$1,021Multiple Airlines
Sat, Aug 15 - Mon, Aug 31
Multiple Airlines Logo
9:36 pm - 9:45 am
ONT
-
GRU
32h 09m
3 stops
Multiple Airlines Logo
7:35 am - 9:45 pm
GRU
-
ONT
18h 10m
2 stops
$1,041Multiple Airlines
Tue, Apr 14 - Thu, Apr 30
Multiple Airlines Logo
12:55 am - 9:20 am
ONT
-
GRU
28h 25m
3 stops
Multiple Airlines Logo
2:20 am - 9:45 pm
GRU
-
ONT
23h 25m
2 stops
$1,054Multiple Airlines
Tue, Aug 25 - Fri, Sep 4
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
$1,080Avianca
Thu, Aug 20 - Tue, Sep 1

American Airlines flights from Ontario to Sao Paulo

Our best American Airlines deals on Ontario to Sao Paulo flight tickets
American Airlines
Apr 5
ONT10:56 amOntario
17h 24m
2 stops
GRU8:20 amSao Paulo Guarulhos Intl
Apr 9
GRU10:00 pmSao Paulo Guarulhos Intl
16h 09m
1 stop
ONT10:09 amOntario
$1,804
American Airlines
Apr 5
ONT10:56 amOntario
17h 24m
2 stops
GRU8:20 amSao Paulo Guarulhos Intl
Apr 9
GRU10:00 pmSao Paulo Guarulhos Intl
17h 34m
2 stops
ONT11:34 amOntario
$1,903
American Airlines
Mar 29
ONT2:39 pmOntario
14h 21m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Apr 5
GRU10:00 pmSao Paulo Guarulhos Intl
16h 06m
1 stop
ONT10:06 amOntario
$2,251

United Airlines flights from Ontario to Sao Paulo

Our best United Airlines deals on Ontario to Sao Paulo flight tickets
United Airlines
May 19
ONT6:00 amOntario
20h 30m
2 stops
GRU6:30 amSao Paulo Guarulhos Intl
Jun 1
GRU9:50 pmSao Paulo Guarulhos Intl
18h 22m
2 stops
ONT12:12 pmOntario
$1,217
United Airlines
Jun 15
ONT6:30 pmOntario
32h 00m
2 stops
GRU6:30 amSao Paulo Guarulhos Intl
Jul 14
GRU9:50 pmSao Paulo Guarulhos Intl
28h 05m
1 stop
ONT9:55 pmOntario
$1,231
United Airlines
May 23
ONT5:45 amOntario
20h 45m
1 stop
GRU6:30 amSao Paulo Guarulhos Intl
Jun 2
GRU9:50 pmSao Paulo Guarulhos Intl
18h 57m
2 stops
ONT12:47 pmOntario
$1,257

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Sao Paulo 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 March 24, 2026.
Use the filters below to find and compare flights from Ontario to Sao Paulo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 7/26

12:55 am-8:40 am

3 stops27h 45m

Sao Paulo Guarulhos Intl

Mon 8/3

5:20 am-11:05 pm

3 stops21h 45m

$916

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 6/4

12:55 am-4:05 pm

3 stops35h 10m

Sao Paulo Guarulhos Intl

Wed 6/10

1:00 am-11:05 pm

3 stops26h 05m

$924

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 5/10

9:36 pm-5:25 am

2 stops27h 49m

Sao Paulo Guarulhos Intl

Tue 5/26

9:30 pm-11:05 pm

3 stops29h 35m

$1,000

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 5/10

9:36 pm-5:25 am

2 stops27h 49m

Sao Paulo Guarulhos Intl

Tue 5/26

9:30 pm-11:05 pm

3 stops29h 35m

$1,006

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 6/7

12:55 am-8:40 am

3 stops27h 45m

Sao Paulo Guarulhos Intl

Fri 6/12

11:55 pm-11:05 pm

3 stops27h 10m

$1,009

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 5/10

9:36 pm-5:25 am

2 stops27h 49m

Sao Paulo Guarulhos Intl

Tue 5/26

9:30 pm-11:05 pm

3 stops29h 35m

$1,010

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sat 8/15

9:36 pm-4:20 am

3 stops26h 44m

Sao Paulo Guarulhos Intl

Mon 8/31

8:35 pm-9:45 pm

3 stops29h 10m

$1,021

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 4/14

9:36 pm-9:45 am

3 stops32h 09m

Sao Paulo Guarulhos Intl

Thu 4/30

7:35 am-9:45 pm

2 stops18h 10m

$1,041

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 8/25

12:55 am-9:20 am

3 stops28h 25m

Sao Paulo Guarulhos Intl

Fri 9/4

2:20 am-9:45 pm

2 stops23h 25m

$1,054
Quickest round-trip

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Thu 8/20

11:35 pm-10:30 pm

2 stops18h 55m

Sao Paulo Guarulhos Intl

Tue 9/1

7:35 am-9:45 pm

2 stops18h 10m

$1,080

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

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?

The cheapest day to depart on your flight to Sao Paulo is on a Tuesday when prices can be found for as low as $674. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,042.

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

At noon is the cheapest time of day to fly from Ontario to Sao Paulo when you can find flight prices for as low as $861. Flying to Sao Paulo at noon is an ideal time because this is during off-peak travel hours. Flights to Sao Paulo are more costly in the morning, with an average ticket price of $1,140. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Ontario to Sao Paulo

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

Cheap Ontario to Sao Paulo (ONT to SAO) flight deals and tips

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

Fastest flight time

14h 38m

Direct flights

None
The fastest flight from Ontario to Sao Paulo takes 14h 38m
There are no direct flights from Ontario to Sao Paulo. There are no popular flight routes from Ontario to Sao Paulo.
Search flight deals

  • How far is Ontario to Sao Paulo by plane?

    The distance between Ontario and Sao Paulo is about 6121.9 mi. A reasonable flight in good conditions will take 14h 38m.

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

    Prices for flights from Ontario Airport to Sao Paulo are updated daily.

  • How old do you have to be to fly from Ontario Airport to Sao Paulo?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Sao Paulo.

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

    The necessary travel and health documents for your Sao Paulo 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
Santos
Guarujá

Why use momondo?

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

Finding the right flight to Sao Paulo from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sao Paulo quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Ontario to Sao Paulo flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Sao Paulo.

I’m not ready to book a flight from Ontario to Sao Paulo right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sao Paulo from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Brazil

Fly into one of these airports located in Sao Paulo

Airports listed have a maximum distance of 48.9 mi from Sao Paulo
Sao Paulo Congonhas Airport
Sao Paulo Guarulhos Intl Airport
Sao Paulo Viracopos Airport