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Cheap flights from Guarulhos Intl (GRU) to Ontario (ONT) from $509

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GRU — ONT
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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How far in advance should I book a flight from Sao Paulo Guarulhos Intl Airport to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 17% on flights from Sao Paulo Guarulhos Intl Airport to Ontario compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $661. For sooner than that we have options available in the next 3 days from $694.

What is the cheapest month to fly from Sao Paulo Guarulhos Intl Airport to Ontario?

The best pricing can be found in the month of September. Prices to Ontario from Sao Paulo Guarulhos Intl Airport average $732. You can even find prices in September for less than $732, as users have found deals to Ontario from as low as $414. The month of December appears to be one of the more expensive times to travel to Ontario from Sao Paulo Guarulhos Intl Airport. Flying in the targeted month can save you up to 43%.

When is the cheapest time to fly from Sao Paulo Guarulhos Intl Airport to Ontario (GRU - ONT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sao Paulo Guarulhos Intl Airport to Ontario as you normally would.

Cheap Avianca flights from Guarulhos Intl to Ontario

Explore cheap flight options specifically provided by Avianca for the route between Guarulhos Intl and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Take a peek at the cheapest Avianca flights we've detected traveling from Sao Paulo to Ontario. Make sure to check back often as deals are often changing.
Wed 8/145:10 pmGRU - ONT
2 stops32h 50mAvianca
Sun 8/2511:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$844
Wed 7/311:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 8/1111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$868
Thu 9/267:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 11/2611:30 pmONT - GRU
2 stops20h 15mAvianca
Deal found 5/7$884
Sat 7/271:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 8/1811:30 pmONT - GRU
2 stops26h 30mAvianca
Deal found 5/7$886
Sat 7/271:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 8/511:30 pmONT - GRU
2 stops35h 50mAvianca
Deal found 5/7$896
Mon 8/51:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 8/2611:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$898
Wed 9/45:10 pmGRU - ONT
2 stops32h 50mAvianca
Mon 9/911:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$901
Wed 9/41:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 9/1611:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$905
Wed 10/25:10 pmGRU - ONT
2 stops32h 50mAvianca
Thu 10/1711:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/6$913

Cheap United Airlines flights from Guarulhos Intl to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Guarulhos Intl and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Sao Paulo and landing in Ontario. Make sure to examine the flight information before completing your reservation.
Wed 10/29:50 pmGRU - ONT
2 stops18h 42mUnited Airlines
Thu 10/176:02 amONT - GRU
1 stop21h 33mUnited Airlines
Deal found 5/6$1,062
Thu 9/269:50 pmGRU - ONT
2 stops18h 42mUnited Airlines
Mon 10/76:02 amONT - GRU
1 stop21h 33mUnited Airlines
Deal found 5/7$1,063
Thu 6/209:50 pmGRU - ONT
2 stops18h 43mUnited Airlines
Tue 7/26:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/7$1,128
Tue 6/189:50 pmGRU - ONT
2 stops18h 43mUnited Airlines
Wed 7/36:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/7$1,143
Mon 7/19:50 pmGRU - ONT
1 stop27h 21mUnited Airlines
Mon 7/156:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/6$1,162
Sat 6/89:50 pmGRU - ONT
2 stops18h 43mUnited Airlines
Wed 7/106:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/7$1,168
Thu 6/279:50 pmGRU - ONT
2 stops26h 58mUnited Airlines
Tue 7/96:25 pmONT - GRU
2 stops33h 10mUnited Airlines
Deal found 5/7$1,203
Tue 6/1810:20 pmGRU - ONT
2 stops18h 13mUnited Airlines
Tue 6/256:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/7$1,233
Mon 9/309:50 pmGRU - ONT
2 stops19h 17mUnited Airlines
Sat 11/96:02 amONT - GRU
1 stop22h 28mUnited Airlines
Deal found 5/7$1,243

Cheap Guarulhos Intl to Ontario flights in May & June 2024

Find cheap flight options from Guarulhos Intl to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 8, 2024.
These are some of the most attractive deals on flights from Sao Paulo to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Mon 6/101:35 amGRU - ONT
2 stops24h 25mAvianca
Sat 8/3111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$990
Tue 6/117:45 amGRU - ONT
2 stops18h 15mAvianca
Sat 8/3111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,009
Thu 6/137:45 amGRU - ONT
2 stops18h 15mAvianca
Thu 6/2011:30 pmONT - GRU
2 stops26h 30mAvianca
Deal found 5/7$1,091
Wed 6/51:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 6/1711:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,092
Wed 6/121:35 amGRU - ONT
2 stops24h 25mAvianca
Thu 6/2011:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,110
Thu 6/274:50 amGRU - ONT
3 stops22h 07mMultiple Airlines
Tue 7/911:30 pmONT - GRU
2 stops20h 50mMultiple Airlines
Deal found 5/7$1,116
Thu 6/209:50 pmGRU - ONT
2 stops18h 43mUnited Airlines
Tue 7/26:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/7$1,128
Mon 6/171:35 amGRU - ONT
2 stops24h 25mAvianca
Tue 6/2511:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,129
Wed 6/51:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 6/1611:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,134

Guarulhos Intl to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Guarulhos Intl and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
These are some of the most attractive deals on flights from Sao Paulo to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Wed 8/145:10 pmGRU - ONT
2 stops32h 50mAvianca
Sun 8/2511:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$844
Wed 7/311:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 8/1111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$868
Thu 9/267:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 11/2611:30 pmONT - GRU
2 stops20h 15mAvianca
Deal found 5/7$884
Sat 7/271:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 8/1811:30 pmONT - GRU
2 stops26h 30mAvianca
Deal found 5/7$886
Sat 7/271:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 8/511:30 pmONT - GRU
2 stops35h 50mAvianca
Deal found 5/7$896
Mon 8/51:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 8/2611:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$898
Wed 9/45:10 pmGRU - ONT
2 stops32h 50mAvianca
Mon 9/911:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$901
Wed 9/41:35 amGRU - ONT
2 stops24h 25mAvianca
Mon 9/1611:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$905
Wed 10/25:10 pmGRU - ONT
2 stops32h 50mAvianca
Thu 10/1711:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/6$913

Guarulhos Intl to Ontario flights leaving soon

Find last-minute flight options from Guarulhos Intl to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Have a look at some of the last-minute flights available departing from Sao Paulo to Ontario. Users should examine the flight details to ensure there are no surprises.
Mon 5/205:10 pmGRU - ONT
2 stops32h 50mAvianca
Tue 5/2811:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,406
Mon 5/205:10 pmGRU - ONT
2 stops32h 50mAvianca
Tue 5/2811:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,408
Tue 5/147:45 amGRU - ONT
2 stops18h 15mAvianca
Mon 7/2911:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,528
Tue 5/147:45 amGRU - ONT
2 stops18h 15mAvianca
Thu 8/111:30 pmONT - GRU
2 stops26h 30mAvianca
Deal found 5/7$1,538
Tue 5/219:50 pmGRU - ONT
2 stops27h 03mUnited Airlines
Tue 5/286:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/7$1,593
Fri 5/171:35 amGRU - ONT
2 stops24h 25mAvianca
Tue 5/2111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,600
Sun 5/127:40 pmGRU - ONT
3 stops30h 20mMultiple Airlines
Sun 5/1911:30 pmONT - GRU
2 stops35h 50mMultiple Airlines
Deal found 5/7$1,603
Wed 5/151:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 5/1911:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/7$1,610
Sun 5/127:40 pmGRU - ONT
3 stops30h 20mMultiple Airlines
Tue 5/2111:30 pmONT - GRU
2 stops20h 50mMultiple Airlines
Deal found 5/7$1,623

One-way flights to Ontario from Guarulhos Intl

Search for one-way flight options from Guarulhos Intl to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Users in need of a one-way flight from Sao Paulo to Ontario can choose from these deals. Users in need of a round-trip flight from Sao Paulo to Ontario instead should update the search form at the top of page.
Tue 10/87:45 amGRU - ONT
2 stops18h 15mAvianca
Deal found 5/7$509
Mon 10/71:35 amGRU - ONT
2 stops24h 25mAvianca
Deal found 5/7$515
Wed 10/304:35 pmGRU - ONT
2 stops34h 05mAvianca
Deal found 5/7$520
Mon 9/95:10 pmGRU - ONT
2 stops32h 50mAvianca
Deal found 5/7$521
Mon 10/1411:50 pmGRU - ONT
2 stops26h 10mAvianca
Deal found 5/7$523
Thu 8/297:45 amGRU - ONT
2 stops18h 15mAvianca
Deal found 5/7$535
Wed 8/281:35 amGRU - ONT
2 stops24h 25mAvianca
Deal found 5/7$540
Wed 8/145:10 pmGRU - ONT
2 stops32h 50mAvianca
Deal found 5/7$546
Mon 6/101:35 amGRU - ONT
2 stops24h 25mAvianca
Deal found 5/7$555

Find flights from Guarulhos Intl to Ontario within your budget

Customize your flight search to find flights from Guarulhos Intl to Ontario 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, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$844 - $1,229

Route

Depart

Return

Price

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Wed 8/14

2 stops32h 50m

Ontario

Sun 8/25

2 stops20h 50m

$844

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Wed 7/31

2 stops24h 25m

Ontario

Sun 8/11

2 stops20h 50m

$868

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Thu 9/26

2 stops18h 15m

Ontario

Tue 11/26

2 stops20h 15m

$884

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Sat 7/27

2 stops24h 25m

Ontario

Sun 8/18

2 stops26h 30m

$886

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Wed 10/2

2 stops18h 42m

Ontario

Thu 10/17

1 stop21h 33m

$1,062

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Thu 9/26

2 stops18h 42m

Ontario

Mon 10/7

1 stop21h 33m

$1,063

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Mon 10/28

1 stop16h 32m

Ontario

Wed 10/30

2 stops27h 15m

$1,087

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Fri 8/2

2 stops24h 25m

Ontario

Tue 8/13

3 stops20h 42m

$1,112

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Tue 10/22

1 stop17h 04m

Ontario

Fri 11/1

1 stop15h 44m

$1,229

Flights are sorted by cheapest first

Deals found on 5/7

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 8, 2024.
To help decide which airline to fly from Sao Paulo to Ontario, see what other customers have to say about Avianca, United Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Big mess boarding.. groups not called separately. Flight attendant not pleasant

Delta
8.1
Very good
10,810 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Big mess boarding.. groups not called separately. Flight attendant not pleasant

Copa Airlines
8.0
Very good
2,769 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Big mess boarding.. groups not called separately. Flight attendant not pleasant

Avianca
7.5
Good
3,830 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Big mess boarding.. groups not called separately. Flight attendant not pleasant

United Airlines
7.4
Good
11,073 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Big mess boarding.. groups not called separately. Flight attendant not pleasant

American Airlines
7.3
Good
14,686 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Big mess boarding.. groups not called separately. Flight attendant not pleasant

Related info for your journey

Find useful and relevant information for your journey from Guarulhos Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Sao Paulo Guarulhos Intl?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Sao Paulo Guarulhos Intl. Booking flights from Sao Paulo Guarulhos Intl to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from Sao Paulo Guarulhos Intl from 0 different airlines.

  • Can I find flights from Sao Paulo Guarulhos Intl Airport to Ontario for under $900 on Cheapflights?

    Yes, there are multiple flights from Sao Paulo Guarulhos Intl Airport to Ontario for under $900. The cheapest flight booked recently is on Avianca for just $844, but on average you can expect to pay $911.

  • Are there last-minute flights available from Sao Paulo Guarulhos Intl Airport to Ontario for under $1,500?

    There are currently 20+ open flights from Sao Paulo Guarulhos Intl Airport to Ontario within the next 7 days for less than $1,500.

  • What are the cheapest airlines to fly from Sao Paulo Guarulhos Intl Airport to Ontario one-way?

    The cheapest airlines for a one-way flight from Sao Paulo Guarulhos Intl Airport to Ontario are Avianca ($509), United Airlines ($606), and American Airlines ($731).

  • What does GRU to ONT mean?

    GRU and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. GRU to ONT refers to a flight route from Sao Paulo Guarulhos Intl Airport to Ontario Airport.

  • Can I find deals for flights from Guarulhos Intl to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Guarulhos Intl to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Guarulhos Intl to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Guarulhos Intl to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Guarulhos Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Guarulhos Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Guarulhos Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guarulhos Intl to Ontario.

  • Can I find deals for business class flights from Guarulhos Intl to Ontario?

    Yes. Cheapflights offers flight deals from Guarulhos Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Guarulhos Intl to Ontario that allow pets onboard?

    Many airlines flying from Guarulhos Intl to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Guarulhos Intl to Ontario?

    Yes, you can often find last-minute deals on Guarulhos Intl to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Sao Paulo Guarulhos Intl Airport to Ontario flight deals updated?

    The Sao Paulo Guarulhos Intl Airport to Ontario flight deals you see on this page were last updated on 5/7.

See more FAQs

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Search flights from Guarulhos Intl to Ontario by cabin class

Find flights from Guarulhos Intl to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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