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Cheap flights from Guarulhos Intl (GRU) to Ontario (ONT) from $457

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 9/2. 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
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
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 $721.

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 $418. 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 42%.

What is the cheapest time of day to fly from GRU to 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 2,784,634 searches. Data last updated May 30, 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 10/165:10 pmGRU - ONT
2 stops32h 50mAvianca
Sun 10/2712:30 amONT - GRU
2 stops20h 15mAvianca
Deal found 5/29$899
Sun 9/227:45 amGRU - ONT
2 stops18h 15mAvianca
Sat 9/2811:30 pmONT - GRU
2 stops35h 50mAvianca
Deal found 5/29$950
Fri 9/2011:50 pmGRU - ONT
2 stops26h 10mAvianca
Tue 10/811:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$976
Sat 9/211:35 amGRU - ONT
2 stops24h 25mAvianca
Sat 9/2811:30 pmONT - GRU
2 stops35h 50mAvianca
Deal found 5/29$995
Tue 10/87:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 10/2211:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,014
Sat 9/147:45 amGRU - ONT
2 stops18h 15mAvianca
Sat 10/1211:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/30$1,023
Mon 10/215:10 pmGRU - ONT
2 stops31h 50mAvianca
Sat 11/911:30 pmONT - GRU
2 stops27h 00mAvianca
Deal found 5/29$1,045
Mon 8/195:10 pmGRU - ONT
2 stops31h 50mAvianca
Mon 8/2611:30 pmONT - GRU
2 stops37h 50mAvianca
Deal found 5/29$1,065
Mon 8/191:35 amGRU - ONT
2 stops24h 25mAvianca
Thu 9/511:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,066

Cheap American Airlines flights from Guarulhos Intl to Ontario

Explore cheap flight options specifically provided by American 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 2,784,634 searches. Data last updated May 30, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Sao Paulo and landing in Ontario. Make sure to examine the flight information before completing your reservation.
Wed 10/1610:20 pmGRU - ONT
1 stop17h 04mAmerican Airlines
Wed 10/2312:45 pmONT - GRU
1 stop14h 45mAmerican Airlines
Deal found 5/30$1,035
Wed 10/1610:20 pmGRU - ONT
1 stop17h 04mAmerican Airlines
Wed 10/238:41 amONT - GRU
2 stops16h 34mAmerican Airlines
Deal found 5/30$1,121
Tue 10/1510:20 pmGRU - ONT
1 stop15h 16mAmerican Airlines
Tue 10/2910:56 amONT - GRU
1 stop17h 39mAmerican Airlines
Deal found 5/29$1,277
Tue 10/810:20 pmGRU - ONT
1 stop15h 16mAmerican Airlines
Sun 10/2711:59 pmONT - GRU
1 stop28h 36mAmerican Airlines
Deal found 5/28$1,281
Wed 7/2410:00 pmGRU - ONT
1 stop17h 51mAmerican Airlines
Tue 9/244:53 pmONT - GRU
2 stops32h 22mAmerican Airlines
Deal found 5/28$1,283
Thu 6/2010:00 pmGRU - ONT
1 stop16h 03mAmerican Airlines
Wed 7/312:49 pmONT - GRU
1 stop14h 41mAmerican Airlines
Deal found 5/30$1,305
Tue 6/1110:00 pmGRU - ONT
1 stop16h 03mAmerican Airlines
Tue 6/1811:59 pmONT - GRU
1 stop27h 31mAmerican Airlines
Deal found 5/28$1,307
Thu 6/2010:00 pmGRU - ONT
1 stop28h 09mAmerican Airlines
Wed 7/36:00 amONT - GRU
1 stop21h 30mAmerican Airlines
Deal found 5/29$1,310
Tue 6/2510:00 pmGRU - ONT
1 stop19h 48mAmerican Airlines
Tue 7/210:54 amONT - GRU
1 stop16h 36mAmerican Airlines
Deal found 5/28$1,311

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 2,784,634 searches. Prices were last updated on May 30, 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.
Thu 6/137:45 amGRU - ONT
2 stops18h 15mAvianca
Sun 6/2311:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,162
Tue 6/259:50 pmGRU - ONT
2 stops18h 55mUnited Airlines
Tue 7/26:10 amONT - GRU
2 stops21h 25mUnited Airlines
Deal found 5/28$1,221
Wed 6/121:35 amGRU - ONT
2 stops24h 25mAvianca
Sun 6/2311:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,226
Fri 6/289:50 pmGRU - ONT
2 stops26h 58mUnited Airlines
Sun 7/146:25 pmONT - GRU
2 stops33h 10mUnited Airlines
Deal found 5/29$1,257
Tue 6/47:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 6/1111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/28$1,281
Fri 6/289:50 pmGRU - ONT
2 stops26h 58mUnited Airlines
Sun 7/146:00 amONT - GRU
1 stop21h 35mUnited Airlines
Deal found 5/29$1,297
Thu 6/2010:00 pmGRU - ONT
1 stop16h 03mAmerican Airlines
Wed 7/312:49 pmONT - GRU
1 stop14h 41mAmerican Airlines
Deal found 5/30$1,305
Tue 6/1110:00 pmGRU - ONT
1 stop16h 03mAmerican Airlines
Tue 6/1811:59 pmONT - GRU
1 stop27h 31mAmerican Airlines
Deal found 5/28$1,307
Tue 6/47:45 amGRU - ONT
2 stops18h 15mAvianca
Thu 6/2011:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/30$1,308

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 2,784,634 searches. Data last updated May 30, 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 10/165:10 pmGRU - ONT
2 stops32h 50mAvianca
Sun 10/2712:30 amONT - GRU
2 stops20h 15mAvianca
Deal found 5/29$899
Sun 9/227:45 amGRU - ONT
2 stops18h 15mAvianca
Sat 9/2811:30 pmONT - GRU
2 stops35h 50mAvianca
Deal found 5/29$950
Fri 9/2011:50 pmGRU - ONT
2 stops26h 10mAvianca
Tue 10/811:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$976
Sat 9/2111:50 pmGRU - ONT
2 stops26h 10mAvianca
Sun 10/611:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/30$980
Sat 9/211:35 amGRU - ONT
2 stops24h 25mAvianca
Sat 9/2811:30 pmONT - GRU
2 stops35h 50mAvianca
Deal found 5/29$995
Tue 10/87:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 10/2211:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/30$1,008
Tue 10/87:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 10/2211:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,014
Sun 10/139:05 pmGRU - ONT
3 stops28h 55mMultiple Airlines
Sat 10/2611:30 pmONT - GRU
2 stops24h 05mMultiple Airlines
Deal found 5/29$1,021
Sat 9/147:45 amGRU - ONT
2 stops18h 15mAvianca
Sat 10/1211:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/30$1,023

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 2,784,634 searches. Data last updated May 30, 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.
Tue 6/47:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 6/1111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/28$1,281
Tue 6/47:45 amGRU - ONT
2 stops18h 15mAvianca
Thu 6/2011:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/30$1,308
Thu 6/67:45 amGRU - ONT
2 stops18h 15mAvianca
Tue 6/1111:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,338
Sun 6/91:35 amGRU - ONT
2 stops24h 25mAvianca
Sat 11/3011:30 pmONT - GRU
2 stops20h 15mAvianca
Deal found 5/30$1,420
Thu 6/67:45 amGRU - ONT
2 stops18h 15mAvianca
Thu 6/1311:30 pmONT - GRU
2 stops26h 30mAvianca
Deal found 5/30$1,460
Tue 6/47:45 amGRU - ONT
2 stops18h 15mAvianca
Mon 6/1011:30 pmONT - GRU
2 stops20h 50mAvianca
Deal found 5/29$1,514
Wed 6/55:10 pmGRU - ONT
2 stops31h 50mMultiple Airlines
Fri 7/56:35 pmONT - GRU
2 stops27h 30mMultiple Airlines
Deal found 5/30$1,564
Sat 6/89:50 pmGRU - ONT
2 stops18h 43mUnited Airlines
Fri 6/216:20 amONT - GRU
2 stops21h 15mUnited Airlines
Deal found 5/29$1,831
Wed 6/510:00 pmGRU - ONT
1 stop16h 03mAmerican Airlines
Fri 7/512:43 pmONT - GRU
1 stop14h 47mAmerican Airlines
Deal found 5/30$3,340

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 2,784,634 searches. Data last updated May 30, 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.
Mon 9/29:50 pmGRU - ONT
2 stops28h 10mMultiple Airlines
Deal found 5/29$457
Sat 10/55:10 pmGRU - ONT
2 stops32h 50mAvianca
Deal found 5/29$520
Sun 9/227:45 amGRU - ONT
2 stops18h 15mAvianca
Deal found 5/29$547
Mon 7/225:25 amGRU - ONT
2 stops20h 35mMultiple Airlines
Deal found 5/28$558
Sat 9/211:35 amGRU - ONT
2 stops24h 25mAvianca
Deal found 5/29$592
Tue 10/15:30 amGRU - ONT
2 stops21h 26mCopa Airlines
Deal found 5/29$596
Tue 9/109:50 pmGRU - ONT
2 stops18h 42mUnited Airlines
Deal found 5/30$609
Tue 9/109:50 pmGRU - ONT
2 stops23h 32mUnited Airlines
Deal found 5/28$616
Tue 7/29:50 pmGRU - ONT
1 stop27h 21mUnited Airlines
Deal found 5/29$625

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$899 - $1,243

Route

Depart

Return

Price

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Wed 10/16

2 stops32h 50m

Ontario

Sun 10/27

2 stops20h 15m

$899

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Sun 9/22

2 stops18h 15m

Ontario

Sat 9/28

2 stops35h 50m

$950

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Fri 9/20

2 stops26h 10m

Ontario

Tue 10/8

2 stops20h 50m

$976

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Sun 10/13

3 stops28h 55m

Ontario

Sat 10/26

2 stops24h 05m

$1,021

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Wed 10/16

1 stop17h 04m

Ontario

Wed 10/23

1 stop14h 45m

$1,035

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Thu 9/5

2 stops18h 42m

Ontario

Thu 9/19

2 stops21h 50m

$1,037

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Thu 9/5

1 stop28h 08m

Ontario

Thu 9/19

1 stop16h 05m

$1,039

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Thu 8/22

2 stops18h 42m

Ontario

Thu 8/29

2 stops18h 41m

$1,052

Sao Paulo Guarulhos IntlOntario

GRU - ONT

GRUONT

Sao Paulo Guarulhos Intl

Wed 9/4

2 stops25h 35m

Ontario

Thu 9/19

2 stops25h 40m

$1,243

Flights are sorted by cheapest first

Deals found on 5/29

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

Best time to book a flight from Guarulhos Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Guarulhos Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 30, 2024.
To help decide which airline to fly from Sao Paulo to Ontario, see what other customers have to say about Avianca, American Airlines and United Airlines. 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
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

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

Copa Airlines
8.0
Very good
2,617 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

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

Avianca
7.5
Good
3,651 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

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

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Overall

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 $899, but on average you can expect to pay $1,038.

  • Are there last-minute flights available from Sao Paulo Guarulhos Intl Airport to Ontario for under $1,300?

    There are currently 15+ open flights from Sao Paulo Guarulhos Intl Airport to Ontario within the next 7 days for less than $1,300.

  • 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 ($520), Copa Airlines ($596), and United Airlines ($609).

  • 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 5/30.

  • What is the cheapest month to book a flight from Sao Paulo Guarulhos Intl Airport to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Ontario (average of $238). Flying from Sao Paulo Guarulhos Intl Airport to Ontario in July is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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How does Cheapflights help users find flights from Guarulhos Intl to Ontario?

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Can Cheapflights find flights from Guarulhos Intl to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Guarulhos Intl to Ontario with no change fees.

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