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

SJC — ONT
Dec 5 — Dec 121

The best prices from San Jose to Ontario are usually found in August or October, booked 54 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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

All the information you need to plan the best SJC to ONT flight in 2022: compare San Jose to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

SJC - ONT

Price

$104 - $275

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular inDecemberHigh demand for flights, 27% potential price rise
Cheapest inAugustBest time to find cheap flights, 48% potential price drop
Round-trip from$104From San Jose to Ontario

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

Friday is generally a great day to depart. Flying on this day could help you save up to 89%.

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 54% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Jose to Ontario 1-2 weeks in advance for as low as $183, or $240 for flights within the next 24 hours.

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

January can be a great time to fly to Ontario from San Jose with a flight ticket averaging about $181. Cheapflights users have found deals in the month of January for as cheap as $79. The most expensive prices can be found in the month of April.

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

It’s optimal to fly from San Jose to Ontario in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the evening.

Cheap flights from San Jose to Ontario in November, December 2022

The best prices found for SJC to ONT flights for November, December
Dec 12 - Jan 9
SJC

San Jose

ONT

Ontario

2 stops

10h 02m
ONT

Ontario

SJC

San Jose

1 stop

6h 48m
$255

Multiple Airlines

Pick Dates

Deal found 11/28

Dec 29 - Jan 4
SJC

San Jose

ONT

Ontario

2 stops

9h 12m
ONT

Ontario

SJC

San Jose

1 stop

4h 32m
$327

Multiple Airlines

Pick Dates

Deal found 11/30

Dec 8 - Jan 5
SJC

San Jose

ONT

Ontario

2 stops

10h 42m
ONT

Ontario

SJC

San Jose

1 stop

7h 55m
$344

Multiple Airlines

Pick Dates

Deal found 11/29

San Jose to Ontario 2022 flight deals

Cheap flights to Ontario from San Jose found for this year
Dec 12 - Jan 9
SJC

San Jose

ONT

Ontario

2 stops

10h 02m
ONT

Ontario

SJC

San Jose

1 stop

6h 48m
$255

Multiple Airlines

Pick Dates

Deal found 11/28

Dec 29 - Jan 4
SJC

San Jose

ONT

Ontario

2 stops

9h 12m
ONT

Ontario

SJC

San Jose

1 stop

4h 32m
$327

Multiple Airlines

Pick Dates

Deal found 11/30

Dec 8 - Jan 5
SJC

San Jose

ONT

Ontario

2 stops

10h 42m
ONT

Ontario

SJC

San Jose

1 stop

7h 55m
$344

Multiple Airlines

Pick Dates

Deal found 11/29

Cheap Alaska Airlines flights from San Jose to Ontario

Jan 24 - Jan 25
SJC

San Jose

ONT

Ontario

1 stop

6h 00m
ONT

Ontario

SJC

San Jose

1 stop

9h 48m
$224

Alaska Airlines

Pick Dates

Deal found 11/28

Jan 14 - Jan 17
SJC

San Jose

ONT

Ontario

1 stop

15h 09m
ONT

Ontario

SJC

San Jose

1 stop

9h 05m
$234

Alaska Airlines

Pick Dates

Deal found 11/29

Jan 14 - Jan 23
SJC

San Jose

ONT

Ontario

1 stop

17h 09m
ONT

Ontario

SJC

San Jose

1 stop

13h 27m
$244

Alaska Airlines

Pick Dates

Deal found 11/29

Cheap American Airlines flights from San Jose to Ontario

Jan 18 - Jan 19
SJC

San Jose

ONT

Ontario

1 stop

6h 40m
ONT

Ontario

SJC

San Jose

1 stop

5h 27m
$186

American Airlines

Pick Dates

Deal found 11/29

Jan 18 - Jan 19
SJC

San Jose

ONT

Ontario

1 stop

6h 40m
ONT

Ontario

SJC

San Jose

1 stop

5h 27m
$190

American Airlines

Pick Dates

Deal found 11/29

Dec 8 - Dec 10
SJC

San Jose

ONT

Ontario

1 stop

4h 51m
ONT

Ontario

SJC

San Jose

1 stop

5h 15m
$431

American Airlines

Pick Dates

Deal found 11/27

Non-stop flights to Ontario from San Jose

Save time with San Jose to Ontario direct flight deals
Jan 12 - Jan 13
SJC

San Jose

ONT

Ontario

Nonstop

1h 15m
ONT

Ontario

SJC

San Jose

Nonstop

1h 15m
$167

Southwest

Pick Dates

Deal found 11/28

Last minute flights from San Jose to Ontario

Late deals on return flights to Ontario from San Jose, departing today and this week
Dec 8 - Jan 5
SJC

San Jose

ONT

Ontario

2 stops

10h 42m
ONT

Ontario

SJC

San Jose

1 stop

7h 55m
$344

Multiple Airlines

Pick Dates

Deal found 11/29

Dec 8 - Jan 6
SJC

San Jose

ONT

Ontario

2 stops

10h 42m
ONT

Ontario

SJC

San Jose

1 stop

7h 55m
$363

Multiple Airlines

Pick Dates

Deal found 11/29

Dec 8 - Dec 10
SJC

San Jose

ONT

Ontario

1 stop

4h 51m
ONT

Ontario

SJC

San Jose

1 stop

5h 15m
$431

American Airlines

Pick Dates

Deal found 11/27

One-way flights to Ontario from San Jose

The cheapest one-way flights from San Jose to Ontario
Jan 11
SJC

San Jose

ONT

Ontario

2 stops

19h 25m
$88

Multiple Airlines

Pick Dates

Deal found 11/29

Dec 13
SJC

San Jose

ONT

Ontario

2 stops

22h 52m
$95

Multiple Airlines

Pick Dates

Deal found 11/30

Dec 19
SJC

San Jose

ONT

Ontario

2 stops

21h 34m
$101

Multiple Airlines

Pick Dates

Deal found 11/28

Related info for your journey

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

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

To fly from San Jose to Ontario, you need to book a flight from San Jose (SJC) to Ontario (ONT). Nonstop flights to Ontario from San Jose take 1h 15m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from San Jose to Ontario offered by 9 different airlines.

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

Breeze Airways, United Airlines, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from San Jose to Ontario for under $200. The cheapest flight booked recently is on Southwest for just $167, but on average you can expect to pay $233.

Are there nonstop flights from San Jose to Ontario for under $200 on Cheapflights?

Cheapflights has at least 1 direct flight from San Jose to Ontario under $200. A good price for a nonstop flight from San Jose to Ontario is less than $167.

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

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

How popular is this San Jose to Ontario flight route?

Within the past month, 21 users have taken a look at flights from San Jose to Ontario.

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

According to our current data, Southwest ($167), American Airlines ($186), and Alaska Airlines ($224) offers the cheapest pricing from San Jose to Ontario. Southwest is 16% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from San Jose to Ontario for a low price.

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

Before booking your flight from San Jose to Ontario check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

What are the cheapest flights from San Jose to Ontario?

Looking at all options, your cheapest flight can be booked for $49. While the most popular route (San Jose - Ontario) can be booked for $167 on average our data indicates $134 when flying from San Jose to Ontario.

Alternative routes for San Jose to Ontario

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

Top 6 airlines flying from San Jose to Ontario

The chart below displays the airlines Cheapflights users traveling from San Jose to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$32Average$100FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$68Average$202FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Breeze AirwaysCheapest$78Average$108FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Breeze Airways flights
United AirlinesCheapest$117Average$212FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Alaska AirlinesCheapest$120Average$268FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
American AirlinesCheapest$235Average$410FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from San Jose to Ontario

See what time of day planes typically take off from San Jose to Ontario
22%of flight departuresEarly morningMidnight to 6 am
31%of flight departuresMorning6 am to noon
21%of flight departuresAfternoonNoon to 6 pm
26%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Jose to Ontario

See how many times per day planes take to the skies headed from San Jose to Ontario
Sunday5daily flights
Monday4daily flights
Tuesday9daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday0daily flights