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

ONT — SJC
Feb 4 — Feb 111

The best prices from Ontario to San Jose are usually found in October or December, booked 43 days in advance, depart on a Tuesday or Monday and return on a Thursday

How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)

All the information you need to plan the best ONT to SJC flight in 2023: compare Ontario to San Jose flight prices with the expected peak season, weather and rainfall in San Jose.

ONT - SJC

Price

$97 - $270

SJC

Temperature

50 - 69.8 °F

SJC

Rainfall

0 - 3.1 inches

Popular inAprilHigh demand for flights, 39% potential price rise
Cheapest inOctoberBest time to find cheap flights, 41% potential price drop
Average price$207Average for round-trip flights in January 2023
Round-trip from$97From Ontario to San Jose

What is the cheapest day to fly round-trip from Ontario to San Jose?

Saturday 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 47% on this flight, we recommend booking at least 44 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 $173 1-2 weeks out and tickets from $232 for flights departing within the next 72 hours.

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

Our data shows that January tends to be the cheapest month to fly to San Jose from Ontario. Users have commonly found prices around $173 for the month, but tickets can be as low as $92. Due to multiple factors, prepare for potentially higher prices in April.

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 45% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Ontario to San Jose in January, February 2023

The best prices found for ONT to SJC flights for January, February
Feb 21 - Feb 28
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$187

American Airlines

Pick Dates

Deal found 1/29

Feb 24 - Feb 26
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$197

American Airlines

Pick Dates

Deal found 1/27

Feb 15 - Feb 16
ONT

Ontario

SJC

San Jose

Nonstop

1h 15m
SJC

San Jose

ONT

Ontario

Nonstop

1h 15m
$226

Southwest

Pick Dates

Deal found 1/27

Ontario to San Jose 2023 flight deals

Cheap flights to San Jose from Ontario found for this year
Feb 21 - Feb 28
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$187

American Airlines

Pick Dates

Deal found 1/29

Feb 24 - Feb 26
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$197

American Airlines

Pick Dates

Deal found 1/27

Feb 15 - Feb 16
ONT

Ontario

SJC

San Jose

Nonstop

1h 15m
SJC

San Jose

ONT

Ontario

Nonstop

1h 15m
$226

Southwest

Pick Dates

Deal found 1/27

Cheap American Airlines flights from Ontario to San Jose

Feb 21 - Feb 28
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$187

American Airlines

Pick Dates

Deal found 1/29

Feb 24 - Feb 26
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$197

American Airlines

Pick Dates

Deal found 1/27

Mar 2 - Mar 6
ONT

Ontario

SJC

San Jose

1 stop

5h 20m
SJC

San Jose

ONT

Ontario

1 stop

5h 36m
$227

American Airlines

Pick Dates

Deal found 1/28

Cheap Southwest flights from Ontario to San Jose

Feb 15 - Feb 16
ONT

Ontario

SJC

San Jose

Nonstop

1h 15m
SJC

San Jose

ONT

Ontario

Nonstop

1h 15m
$226

Southwest

Pick Dates

Deal found 1/27

Feb 15 - Feb 16
ONT

Ontario

SJC

San Jose

1 stop

3h 15m
SJC

San Jose

ONT

Ontario

Nonstop

1h 15m
$236

Southwest

Pick Dates

Deal found 1/27

Feb 15 - Feb 16
ONT

Ontario

SJC

San Jose

1 stop

4h 05m
SJC

San Jose

ONT

Ontario

1 stop

3h 20m
$256

Southwest

Pick Dates

Deal found 1/27

Non-stop flights to San Jose from Ontario

Save time with Ontario to San Jose direct flight deals
Feb 15 - Feb 16
ONT

Ontario

SJC

San Jose

Nonstop

1h 15m
SJC

San Jose

ONT

Ontario

Nonstop

1h 15m
$226

Southwest

Pick Dates

Deal found 1/27

Last minute flights from Ontario to San Jose

Late deals on return flights to San Jose from Ontario, departing today and this week
Feb 6 - Feb 24
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$292

American Airlines

Pick Dates

Deal found 1/29

Feb 9 - Feb 13
ONT

Ontario

SJC

San Jose

1 stop

6h 04m
SJC

San Jose

ONT

Ontario

1 stop

5h 40m
$322

American Airlines

Pick Dates

Deal found 1/28

Feb 4 - Feb 12
ONT

Ontario

SJC

San Jose

1 stop

5h 03m
SJC

San Jose

ONT

Ontario

1 stop

6h 52m
$332

American Airlines

Pick Dates

Deal found 1/29

One-way flights to San Jose from Ontario

The cheapest one-way flights from Ontario to San Jose
Feb 28
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
$94

American Airlines

Pick Dates

Deal found 1/29

Mar 7
ONT

Ontario

SJC

San Jose

2 stops

18h 03m
$102

Multiple Airlines

Pick Dates

Deal found 1/29

Feb 19
ONT

Ontario

SJC

San Jose

1 stop

5h 16m
$104

American Airlines

Pick Dates

Deal found 1/29

Reviews of Airlines Servicing San Jose

Alaska Airlines
8.0
Very good
1,360 reviews

Crew

8.6

Food

7.2

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Good, comfortable seat. Temperature was rather chilly for my taste but understand that it is best for all passengers. 😊

Alaska Airlines
8.0
Very good
1,360 reviews
Alaska Airlines
8.0
Very good
1,360 reviews

Crew

8.6

Food

7.2

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Good, comfortable seat. Temperature was rather chilly for my taste but understand that it is best for all passengers. 😊

Delta
7.9
Good
2,024 reviews
Alaska Airlines
8.0
Very good
1,360 reviews

Crew

8.6

Food

7.2

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Good, comfortable seat. Temperature was rather chilly for my taste but understand that it is best for all passengers. 😊

Southwest
7.5
Good
945 reviews
Alaska Airlines
8.0
Very good
1,360 reviews

Crew

8.6

Food

7.2

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Good, comfortable seat. Temperature was rather chilly for my taste but understand that it is best for all passengers. 😊

American Airlines
7.4
Good
1,667 reviews
Alaska Airlines
8.0
Very good
1,360 reviews

Crew

8.6

Food

7.2

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Good, comfortable seat. Temperature was rather chilly for my taste but understand that it is best for all passengers. 😊

Related info for your journey

Useful info, stats and facts about Ontario to San Jose flights.

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 4 daily flights to San Jose from 8 different airlines. 1h 15m is how long a flight from Ontario to San Jose will take if you book a nonstop flight.

Which airlines flying from Ontario to San Jose have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Breeze Airways, United Airlines, and Delta flying from Ontario to San Jose have implemented new flexible cancellation policies.

Can I find flights from Ontario to San Jose for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to San Jose for under $200. The cheapest flight booked recently is on American Airlines for just $187, but on average you can expect to pay $250.

Are there nonstop flights from Ontario to San Jose for under $300 on Cheapflights?

Cheapflights has at least 1 direct flight from Ontario to San Jose under $300. A good price for a nonstop flight from Ontario to San Jose is less than $226.

Are there last-minute flights available from Ontario to San Jose for under $300?

There are currently 20+ open flights from Ontario to San Jose within the next 7 days for less than $300.

How popular is this Ontario to San Jose flight route?

The Ontario to San Jose flight path was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Currently priced at $187, 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. Search Cheapflights for deals from Southwest and Alaska Airlines - these airlines can fly you to your destination from $226 and $275, respectively.

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 $94 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $133 and Southwest from $165 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 are the cheapest flights from Ontario to San Jose?

Looking for the cheapest flight from Ontario to San Jose? While on average our users pay $174, our data indicates the cheapest price to be $37. The most popular route (Ontario - San Jose), is priced around $226.

Alternative routes for Ontario to San Jose

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Ontario to San Jose

The chart below displays the airlines Cheapflights users traveling from Ontario to San Jose choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$34Average$95FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$44Average$107FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Alaska AirlinesCheapest$64Average$283FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
Breeze AirwaysCheapest$78Average$106FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Breeze Airways flights
DeltaCheapest$98Average$203FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$137Average$210FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$181Average$501FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Ontario to San Jose

See what time of day planes typically take off from Ontario to San Jose
22%of flight departuresEarly morningMidnight to 6 am
44%of flight departuresMorning6 am to noon
21%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to San Jose

See how many times per day planes take to the skies headed from Ontario to San Jose
Sunday4daily flights
Monday5daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday5daily flights
Friday5daily flights
Saturday3daily flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.