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Cheap flights from Ontario to San Jose (ONT - SJC) from $128

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 9/17. 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.
ONT — SJC
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from Ontario to San Jose are usually found in February or March, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Ontario to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2024.

Popular in

April

Cheapest in

February

Round-trip from

$285

One-way from

$266
High demand for flights, 55% potential price rise
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Best time to find cheap flights, 46% potential price drop
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From Ontario to San Jose
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One-way flight from Ontario to San Jose
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What is the cheapest day to fly round-trip from Ontario to San Jose?

Sunday flights are found to be more expensive to fly from Ontario to San Jose. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Jose.

How far in advance should I book a flight from Ontario to San Jose?

To save up to 123% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to San Jose from $128 1-2 weeks out and tickets from $248 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to San Jose?

Our data shows that February tends to be the cheapest month to fly to San Jose from Ontario. Users have commonly found prices around $176 for the month, but tickets can be as low as $49. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Ontario to San Jose (ONT - SJC)?

It’s optimal to fly from Ontario to San Jose at noon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the evening.

Cheap Alaska Airlines flights from Ontario to San Jose

Explore cheap flight options specifically provided by Alaska Airlines for the route between Ontario and San Jose. 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 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Ontario to San Jose. Deals update often to give you more flight options matching your criteria
Mon 6/38:09 pmONT - SJC
1 stop15h 31mAlaska Airlines
Tue 6/43:41 pmSJC - ONT
1 stop8h 17mAlaska Airlines
Deal found 4/27$345
Wed 5/228:09 pmONT - SJC
1 stop15h 31mAlaska Airlines
Wed 5/296:15 amSJC - ONT
2 stops17h 43mAlaska Airlines
Deal found 4/27$350
Sat 5/186:00 amONT - SJC
1 stop14h 06mAlaska Airlines
Mon 5/206:15 amSJC - ONT
1 stop9h 11mAlaska Airlines
Deal found 4/27$375
Sat 5/187:10 amONT - SJC
2 stops10h 45mAlaska Airlines
Sun 5/196:15 amSJC - ONT
1 stop17h 43mAlaska Airlines
Deal found 4/27$406
Mon 6/38:09 pmONT - SJC
1 stop15h 31mAlaska Airlines
Tue 6/42:36 pmSJC - ONT
2 stops18h 29mAlaska Airlines
Deal found 4/27$411
Fri 5/178:09 pmONT - SJC
1 stop12h 07mAlaska Airlines
Sun 5/196:15 amSJC - ONT
1 stop17h 43mAlaska Airlines
Deal found 4/27$416
Sat 5/258:09 pmONT - SJC
1 stop13h 10mAlaska Airlines
Sat 6/16:15 amSJC - ONT
2 stops17h 43mAlaska Airlines
Deal found 4/27$417
Sat 5/258:09 pmONT - SJC
1 stop13h 10mAlaska Airlines
Tue 5/2812:35 pmSJC - ONT
1 stop11h 23mAlaska Airlines
Deal found 4/27$422
Wed 5/2210:00 amONT - SJC
2 stops12h 24mAlaska Airlines
Wed 5/296:15 amSJC - ONT
2 stops17h 43mAlaska Airlines
Deal found 4/27$425

Cheap American Airlines flights from Ontario to San Jose

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and San Jose. 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 2,944,896 searches. Data last updated April 28, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Ontario to San Jose. Deals frequently update to provide users with more options.
Thu 5/3012:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Sun 6/212:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/26$258
Sat 5/1812:53 pmONT - SJC
1 stop9h 43mAmerican Airlines
Sun 5/196:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$326
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/1112:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/27$336
Thu 5/912:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Mon 5/136:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/26$337
Sat 5/2512:53 pmONT - SJC
1 stop20h 21mAmerican Airlines
Mon 5/276:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$341
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/116:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$343
Wed 5/156:45 amONT - SJC
1 stop5h 25mAmerican Airlines
Fri 5/177:18 pmSJC - ONT
1 stop27h 11mAmerican Airlines
Deal found 4/27$364
Fri 5/247:40 pmONT - SJC
1 stop13h 34mAmerican Airlines
Sun 5/266:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$382
Fri 5/36:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sun 5/56:10 amSJC - ONT
1 stop5h 40mAmerican Airlines
Deal found 4/27$383

Cheap Ontario to San Jose flights in April & May 2024

Find cheap flight options from Ontario to San Jose specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
These are some of the most attractive deals on flights from Ontario to San Jose in 2024. Check back regularly for other flight deals.
Thu 5/3012:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Sun 6/212:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/26$258
Tue 5/1412:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Thu 5/166:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$308
Thu 5/96:45 amONT - SJC
1 stop5h 25mAmerican Airlines
Sun 5/196:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/28$326
Sat 5/1812:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Mon 5/207:18 pmSJC - ONT
1 stop27h 11mAmerican Airlines
Deal found 4/28$334
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/1112:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/27$336
Thu 5/912:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Mon 5/136:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/26$337
Sat 5/2512:53 pmONT - SJC
1 stop20h 21mAmerican Airlines
Mon 5/276:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$341
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/116:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$343
Wed 5/228:09 pmONT - SJC
1 stop15h 31mAlaska Airlines
Wed 5/296:15 amSJC - ONT
2 stops17h 43mAlaska Airlines
Deal found 4/27$350

Ontario to San Jose 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San Jose in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
These are some of the most attractive deals on flights from Ontario to San Jose in 2024. Check back regularly for other flight deals.
Thu 5/3012:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Sun 6/212:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/26$258
Tue 5/1412:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Thu 5/166:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$308
Thu 5/96:45 amONT - SJC
1 stop5h 25mAmerican Airlines
Sun 5/196:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/28$326
Sat 5/1812:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Mon 5/207:18 pmSJC - ONT
1 stop27h 11mAmerican Airlines
Deal found 4/28$334
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/1112:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/27$336
Thu 5/912:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Mon 5/136:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/26$337
Sat 5/2512:53 pmONT - SJC
1 stop20h 21mAmerican Airlines
Mon 5/276:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$341
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/116:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$343
Mon 6/38:09 pmONT - SJC
1 stop15h 31mAlaska Airlines
Tue 6/43:41 pmSJC - ONT
1 stop8h 17mAlaska Airlines
Deal found 4/27$345

Ontario to San Jose flights leaving soon

Find last-minute flight options from Ontario to San Jose 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 2,944,896 searches. Data last updated April 28, 2024.
Have a look at some of the last-minute flights available departing from Ontario to San Jose. Tip: verify your flight details before completing your reservation.
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/1112:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/27$336
Sat 5/46:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/116:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$343
Fri 5/36:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sun 5/56:10 amSJC - ONT
1 stop5h 40mAmerican Airlines
Deal found 4/27$383
Fri 5/36:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sat 5/46:10 amSJC - ONT
1 stop5h 40mAmerican Airlines
Deal found 4/27$458
Wed 5/812:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Fri 5/106:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/28$484
Wed 5/812:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Fri 5/107:18 pmSJC - ONT
1 stop16h 29mAmerican Airlines
Deal found 4/26$494
Mon 5/612:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Thu 5/96:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/27$501
Tue 5/712:53 pmONT - SJC
1 stop5h 40mAmerican Airlines
Wed 5/812:43 pmSJC - ONT
1 stop6h 05mAmerican Airlines
Deal found 4/27$596
Sun 5/56:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Sun 5/126:10 amSJC - ONT
1 stop5h 37mAmerican Airlines
Deal found 4/28$626

One-way flights to San Jose from Ontario

Search for one-way flight options from Ontario to San Jose. 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 2,944,896 searches. Data last updated April 28, 2024.
Users in need of a one-way flight from Ontario to San Jose can choose from these deals. For those needing a return trip from Ontario, there is a search form available above.
Tue 9/1712:40 pmONT - SJC
1 stop9h 32mAmerican Airlines
Deal found 4/27$128
Tue 5/216:00 amONT - SJC
1 stop5h 40mAlaska Airlines
Deal found 4/27$159
Wed 6/56:00 amONT - SJC
2 stops16h 24mAlaska Airlines
Deal found 4/26$170
Wed 5/296:00 amONT - SJC
1 stop5h 40mAlaska Airlines
Deal found 4/27$177
Wed 5/226:00 amONT - SJC
1 stop8h 46mAlaska Airlines
Deal found 4/26$179
Thu 5/96:45 amONT - SJC
1 stop5h 25mAmerican Airlines
Deal found 4/27$182
Sat 5/186:00 amONT - SJC
1 stop7h 33mAlaska Airlines
Deal found 4/27$186
Thu 5/306:00 amONT - SJC
1 stop5h 40mAlaska Airlines
Deal found 4/27$191
Fri 5/36:25 amONT - SJC
1 stop5h 45mAmerican Airlines
Deal found 4/27$201

Find flights from Ontario to San Jose within your budget

Customize your flight search to find flights from Ontario to San Jose 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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$258 - $708

Route

Depart

Return

Price

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Thu 5/30

1 stop5h 40m

San Jose

Sun 6/2

1 stop6h 05m

$258

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Sat 5/18

1 stop9h 43m

San Jose

Sun 5/19

1 stop5h 37m

$326

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Thu 5/9

1 stop5h 40m

San Jose

Mon 5/13

1 stop5h 37m

$337

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Sat 5/25

1 stop20h 21m

San Jose

Mon 5/27

1 stop5h 37m

$341

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Mon 6/3

1 stop15h 31m

San Jose

Tue 6/4

1 stop8h 17m

$345

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Wed 5/22

1 stop15h 31m

San Jose

Wed 5/29

2 stops17h 43m

$350

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Sat 5/18

1 stop14h 06m

San Jose

Mon 5/20

1 stop9h 11m

$375

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Sat 7/27

1 stop15h 16m

San Jose

Thu 8/1

1 stop13h 48m

$550

OntarioSan Jose

ONT - SJC

ONTSJC

Ontario

Sun 6/2

1 stop14h 59m

San Jose

Tue 6/4

1 stop9h 23m

$708

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from Ontario to San Jose?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to San Jose. Price data was last updated on January 28, 2024.
Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to San Jose. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Ontario to San Jose?

Use this chart to determine the cheapest time to fly round-trip from Ontario to San Jose. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to San Jose flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to San Jose by month

Plan your trip from Ontario to San Jose by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to San Jose is currently $175 while a round-trip flight costs $399. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Ontario to San Jose (average of $285). Flying from Ontario to San Jose in June is currently the most expensive (average of $402). 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.

January

$298

February

$296

March

$334

April

$318

May

$342

June

$402

July

$379

August

$310

September

$285

October

$296

November

$324

December

$318

Temperature and rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average temperature and rainfall totals by month.

SJC

Temperature

50 - 69.8 °F

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated April 28, 2024.
To help decide which airline to fly from Ontario to San Jose, see what other customers have to say about Alaska Airlines, American 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.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Delta
8.1
Very good
10,932 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

United Airlines
7.4
Good
11,221 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

American Airlines
7.3
Good
14,844 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Volaris
6.7
Okay
1,535 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Related info for your journey

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

  • What airports do I use to fly from Ontario to San Jose?

    San Jose is the airport most travelers will use when flying to San Jose from Ontario. Booking flights from Ontario (ONT) to San Jose (SJC) should be relatively easy as there are 3 daily flights to San Jose from 7 different airlines. 1h 20m is how long a flight from Ontario to San Jose will take if you book a nonstop flight.

  • Can I find flights from Ontario to San Jose for under $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to San Jose for under $300. The cheapest flight booked recently is on American Airlines for just $258, but on average you can expect to pay $384.

  • Are there last-minute flights available from Ontario to San Jose for under $400?

    There are currently 20+ open flights from Ontario to San Jose within the next 7 days for less than $400.

  • What are the cheapest airlines flying from Ontario to San Jose round-trip?

    Currently priced at $258, American Airlines will fly you from Ontario to San Jose and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $345.

  • What are the cheapest airlines to fly from Ontario to San Jose one-way?

    One-way options have recently been found by users for as low as $128 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $159 and Delta from $223 one-way.

  • What are the most popular airlines that fly from Ontario to San Jose?

    When booking a flight from Ontario to San Jose, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

  • What does ONT to SJC mean?

    This is defined as Ontario Airport (ONT) and San Jose Airport (SJC). Codes like San Jose Airport are often used to just call airports uniquely.

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

    The amount of baggage you can bring on your Ontario to San Jose 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 Ontario to San Jose with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to San Jose 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 Ontario to San Jose that include hotel bookings?

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

  • How can I find direct flights from Ontario to San Jose?

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

  • Can I find deals for business class flights from Ontario to San Jose?

    Yes. Cheapflights offers flight deals from Ontario to San Jose 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 Ontario to San Jose that allow pets onboard?

    Many airlines flying from Ontario to San Jose 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 Ontario to San Jose?

    Yes, you can often find last-minute deals on Ontario to San Jose 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 Ontario to San Jose flight deals updated?

    The Ontario to San Jose flight deals you see on this page were last updated on 4/28.

See more FAQs

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Alternative routes for Ontario to San Jose
See prices for flight routes from nearby airports that may be better suited for you.

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Top 7 airlines flying from Ontario to San Jose

Discover the top 7 airlines that operate flights from Ontario to San Jose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$111FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Breeze AirwaysCheapest$77Average$120FlexibilityNo cancel feeOn-timeN/A
Search Breeze Airways flights
Spirit AirlinesCheapest$80Average$194FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$85Average$191FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$109Average$462FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$162Average$243FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$244Average$454FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Ontario to San Jose by cabin class

Find flights from Ontario to San Jose, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Ontario to San Jose

Find hourly flight availability from Ontario to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2024.
27%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
15%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to San Jose

Explore weekly flight availability from Ontario to San Jose. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 28, 2024.
Sunday3daily flights
Monday4daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday4daily flights
Friday4daily flights
Saturday2daily flights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to San Jose?

When you search for this flight from Ontario to San Jose, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Jose?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to San Jose for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to San Jose with no change fees?

Certainly. Search results for flights to San Jose from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to San Jose become cheaper?

Yes! Start tracking prices for Ontario to San Jose flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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