Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Sao Paulo from $321

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 3/2. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
11:02 pm - 3:10 am
ONT
-
GRU
23h 08m
3 stops
Multiple Airlines Logo
6:00 am - 10:37 pm
GRU
-
ONT
20h 37m
3 stops
$816Multiple Airlines
Fri, Mar 6 - Thu, Mar 12
Multiple Airlines Logo
11:02 pm - 3:25 am
ONT
-
GRU
23h 23m
3 stops
Multiple Airlines Logo
5:25 pm - 10:52 pm
GRU
-
ONT
34h 27m
3 stops
$850Multiple Airlines
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
11:02 pm - 3:10 am
ONT
-
GRU
23h 08m
3 stops
Multiple Airlines Logo
5:25 pm - 10:52 pm
GRU
-
ONT
33h 27m
3 stops
$913Multiple Airlines
Fri, Mar 6 - Sun, Mar 15
Multiple Airlines Logo
12:42 am - 4:15 pm
ONT
-
GRU
34h 33m
3 stops
Multiple Airlines Logo
1:20 am - 10:37 pm
GRU
-
ONT
25h 17m
3 stops
$916Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
12:42 am - 3:25 am
ONT
-
GRU
22h 43m
3 stops
Multiple Airlines Logo
5:25 pm - 11:05 pm
GRU
-
ONT
33h 40m
3 stops
$919Multiple Airlines
Mon, Mar 16 - Sat, Mar 28
Multiple Airlines Logo
9:13 pm - 10:30 am
ONT
-
GRU
33h 17m
3 stops
Multiple Airlines Logo
4:05 am - 11:05 pm
GRU
-
ONT
23h 00m
3 stops
$920Multiple Airlines
Tue, Jul 14 - Fri, Jul 24
Multiple Airlines Logo
11:02 pm - 2:40 am
ONT
-
GRU
22h 38m
3 stops
Multiple Airlines Logo
2:40 am - 10:52 pm
GRU
-
ONT
24h 12m
3 stops
$923Multiple Airlines
Wed, Mar 4 - Tue, Mar 17
Multiple Airlines Logo
11:02 pm - 5:40 am
ONT
-
GRU
25h 38m
3 stops
Multiple Airlines Logo
5:25 pm - 10:52 pm
GRU
-
ONT
33h 27m
3 stops
$945Multiple Airlines
Sun, Mar 1 - Tue, Mar 10
Multiple Airlines Logo
12:59 am - 1:10 am
ONT
-
GRU
20h 11m
3 stops
Multiple Airlines Logo
1:20 am - 11:05 pm
GRU
-
ONT
25h 45m
3 stops
$977Multiple Airlines
Fri, Apr 10 - Mon, Apr 20
Multiple Airlines Logo
12:59 am - 2:42 am
ONT
-
GRU
21h 43m
3 stops
Multiple Airlines Logo
1:20 am - 11:05 pm
GRU
-
ONT
25h 45m
3 stops
$983Multiple Airlines
Mon, Jun 15 - Tue, Jun 23

Avianca flights from Ontario to Sao Paulo

Our best Avianca deals on Ontario to Sao Paulo flight tickets
Avianca
Mar 5
ONT10:30 pmOntario
19h 10m
2 stops
GRU10:40 pmSao Paulo Guarulhos Intl
Mar 12
GRU7:35 amSao Paulo Guarulhos Intl
18h 20m
2 stops
ONT9:55 pmOntario
$1,077
Avianca
Feb 26
ONT10:30 pmOntario
22h 05m
2 stops
GRU1:35 amSao Paulo Guarulhos Intl
Mar 2
GRU5:25 pmSao Paulo Guarulhos Intl
32h 30m
2 stops
ONT8:55 pmOntario
$1,083
Avianca
Apr 23
ONT11:35 pmOntario
21h 35m
2 stops
GRU1:10 amSao Paulo Guarulhos Intl
May 8
GRU1:20 amSao Paulo Guarulhos Intl
24h 25m
3 stops
ONT9:45 pmOntario
$1,098

LATAM Airlines flights from Ontario to Sao Paulo

Our best LATAM Airlines deals on Ontario to Sao Paulo flight tickets
LATAM Airlines
Mar 5
ONT1:15 pmOntario
15h 20m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Mar 17
GRU10:40 pmSao Paulo Guarulhos Intl
26h 20m
2 stops
ONT9:00 pmOntario
$1,259
LATAM Airlines
Feb 8
ONT12:41 pmOntario
15h 54m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Feb 10
GRU11:45 pmSao Paulo Guarulhos Intl
16h 46m
1 stop
ONT11:31 amOntario
$1,454
LATAM Airlines
Feb 7
ONT12:41 pmOntario
15h 54m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Feb 26
GRU11:45 pmSao Paulo Guarulhos Intl
17h 17m
1 stop
ONT12:02 pmOntario
$1,633

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 February 4, 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

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 3/6

11:02 pm-3:10 am

3 stops23h 08m

Sao Paulo Guarulhos Intl

Thu 3/12

6:00 am-10:37 pm

3 stops20h 37m

$816

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 3/2

11:02 pm-3:25 am

3 stops23h 23m

Sao Paulo Guarulhos Intl

Thu 3/5

5:25 pm-10:52 pm

3 stops34h 27m

$850

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 3/6

11:02 pm-3:10 am

3 stops23h 08m

Sao Paulo Guarulhos Intl

Sun 3/15

5:25 pm-10:52 pm

3 stops33h 27m

$913

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 3/4

12:42 am-4:15 pm

3 stops34h 33m

Sao Paulo Guarulhos Intl

Wed 3/11

1:20 am-10:37 pm

3 stops25h 17m

$916

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 3/16

12:42 am-3:25 am

3 stops22h 43m

Sao Paulo Guarulhos Intl

Sat 3/28

5:25 pm-11:05 pm

3 stops33h 40m

$919

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Tue 7/14

9:13 pm-10:30 am

3 stops33h 17m

Sao Paulo Guarulhos Intl

Fri 7/24

4:05 am-11:05 pm

3 stops23h 00m

$920

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Wed 3/4

11:02 pm-2:40 am

3 stops22h 38m

Sao Paulo Guarulhos Intl

Tue 3/17

2:40 am-10:52 pm

3 stops24h 12m

$923

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Sun 3/1

11:02 pm-5:40 am

3 stops25h 38m

Sao Paulo Guarulhos Intl

Tue 3/10

5:25 pm-10:52 pm

3 stops33h 27m

$945

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Fri 4/10

12:59 am-1:10 am

3 stops20h 11m

Sao Paulo Guarulhos Intl

Mon 4/20

1:20 am-11:05 pm

3 stops25h 45m

$977

OntarioSao Paulo

ONT - GRU

ONTGRU

Ontario

Mon 6/15

12:59 am-2:42 am

3 stops21h 43m

Sao Paulo Guarulhos Intl

Tue 6/23

1:20 am-11:05 pm

3 stops25h 45m

$983

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $687. 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 $1,017.

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 $828. 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 $1,047. 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

15h 54m

Direct flights

None
The fastest flight from Ontario to Sao Paulo takes 15h 54m
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 15h 54m.

  • 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.

An easier way to manage your Sao Paulo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/6
Fri 3/13
By creating a price alert you accept our terms of use and privacy policy.

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