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Cheap flights from San Jose to Ontario from $50

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose to Ontario departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Jose to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from San Jose to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Jose to Los Angeles.

Cheap last minute flights

Planning a quick getaway from San Jose to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Jose to Los Angeles

Find recent round-trip train or bus tickets from San Jose to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
2:28 pm - 11:44 pmSJC-ONT
9h 16m1 stop
8:04 am - 4:29 pmONT-SJC
8h 25m1 stop
$100Frontier
Find Deal
Thu, Dec 5 - Sat, Dec 7
2:28 pm - 9:39 amSJC-ONT
19h 11m1 stop
8:59 pm - 4:18 pmONT-SJC
19h 19m1 stop
$101Frontier
Find Deal
Thu, Dec 12 - Sun, Dec 15
2:28 pm - 11:44 pmSJC-ONT
9h 16m1 stop
11:46 am - 4:18 pmONT-SJC
4h 32m1 stop
$104Frontier
Find Deal
Thu, Dec 5 - Mon, Dec 9
8:00 am - 9:15 amSJC-ONT
1h 15mnonstop
6:15 am - 7:35 amONT-SJC
1h 20mnonstop
$188Southwest
Find Deal
Tue, Dec 17 - Tue, Dec 24
6:35 am - 3:30 pmSJC-ONT
8h 55m1 stop
6:15 am - 7:35 amONT-SJC
1h 20mnonstop
$197Southwest
Find Deal
Tue, Dec 17 - Tue, Dec 24
11:58 am - 5:04 pmSJC-ONT
5h 06m1 stop
6:00 am - 12:15 pmONT-SJC
6h 15m1 stop
$282Alaska Airlines
Find Deal
Sat, Jan 11 - Wed, Jan 15
11:46 am - 4:59 pmSJC-ONT
5h 13m1 stop
7:14 pm - 9:11 amONT-SJC
13h 57m1 stop
$302Alaska Airlines
Find Deal
Tue, Feb 25 - Fri, Feb 28
10:00 am - 11:59 pmSJC-ONT
13h 59m2 stops
12:59 am - 11:40 amONT-SJC
10h 41m1 stop
Fri, Jan 3 - Sun, Jan 5
11:19 am - 9:04 pmSJC-ONT
9h 45m2 stops
11:46 am - 4:18 pmONT-SJC
4h 32m1 stop
Sat, Dec 7 - Mon, Dec 9
6:00 am - 12:06 pmSJC-ONT
6h 06m1 stop
4:25 pm - 10:49 pmONT-SJC
6h 24m1 stop
$455American Airlines
Find Deal
Sun, Dec 29 - Thu, Jan 2
4:03 pm - 12:09 amSJC-ONT
8h 06m1 stop
$50Frontier
Find Deal
Wed, Feb 12
4:03 pm - 12:09 amSJC-ONT
8h 06m1 stop
$54Frontier
Find Deal
Sat, Feb 22
2:28 pm - 9:41 pmSJC-ONT
7h 13m1 stop
$55Frontier
Find Deal
Mon, Dec 9
8:00 am - 9:15 amSJC-ONT
1h 15mnonstop
$94Southwest
Find Deal
Wed, Dec 25
7:40 am - 10:55 amSJC-ONT
3h 15m1 stop
$99Southwest
Find Deal
Mon, Mar 3
1:10 pm - 8:13 pmSJC-ONT
7h 03m1 stop
$141Alaska Airlines
Find Deal
Wed, Jan 22
8:30 am - 6:13 pmSJC-ONT
9h 43m2 stops
$146Alaska Airlines
Find Deal
Sat, Jan 18
8:00 pm - 9:51 amSJC-ONT
13h 51m2 stops
$242United Airlines
Find Deal
Fri, Jan 10
3:54 pm - 9:51 amSJC-ONT
17h 57m2 stops
$252United Airlines
Find Deal
Mon, Jan 27
6:00 am - 12:03 pmSJC-ONT
6h 03m1 stop
$259American Airlines
Find Deal
Mon, Dec 2
9:59 pm - 12:32 pmSJC-ONT
14h 33m1 stop
5:45 am - 12:41 pmONT-SJC
6h 56m1 stop
$350Frontier
Find Deal
Mon, Nov 25 - Thu, Nov 28
9:59 pm - 9:04 amSJC-ONT
11h 05m1 stop
1:22 pm - 4:54 pmONT-SJC
3h 32m1 stop
$360Frontier
Find Deal
Sun, Nov 24 - Mon, Nov 25
9:25 am - 3:55 pmSJC-ONT
6h 30m1 stop
6:40 pm - 10:55 pmONT-SJC
4h 15m1 stop
$513Southwest
Find Deal
Sat, Nov 23 - Sat, Nov 23
7:35 am - 3:45 pmSJC-ONT
8h 10m1 stop
7:45 pm - 9:00 pmONT-SJC
1h 15mnonstop
$514Southwest
Find Deal
Sat, Nov 23 - Sat, Nov 23
12:43 pm - 6:29 pmSJC-ONT
5h 46m1 stop
12:53 pm - 6:45 pmONT-SJC
5h 52m1 stop
$520American Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:00 am - 12:03 pmSJC-ONT
6h 03m1 stop
4:25 pm - 10:45 pmONT-SJC
6h 20m1 stop
$585American Airlines
Find Deal
Thu, Nov 21 - Sun, Nov 24
10:00 am - 8:03 pmSJC-ONT
10h 03m2 stops
5:45 am - 12:41 pmONT-SJC
6h 56m1 stop
Mon, Nov 25 - Wed, Nov 27
5:59 pm - 11:59 pmSJC-ONT
6h 00m1 stop
6:00 am - 11:55 amONT-SJC
5h 55m1 stop
$982Alaska Airlines
Find Deal
Mon, Nov 25 - Thu, Nov 28
10:00 am - 8:03 pmSJC-ONT
10h 03m2 stops
5:45 am - 12:41 pmONT-SJC
6h 56m1 stop
$1,045
Find Deal
Sun, Nov 24 - Wed, Nov 27
10:00 am - 8:12 pmSJC-ONT
10h 12m2 stops
2:22 pm - 9:00 pmONT-SJC
6h 38m1 stop
$1,092Alaska Airlines
Find Deal
Sat, Nov 23 - Tue, Nov 26
8:00 am - 9:15 amSJC-ONT
1h 15mnonstop
6:15 am - 7:35 amONT-SJC
1h 20mnonstop
$188Southwest
Find Deal
Tue, Dec 17 - Tue, Dec 24
6:45 am - 8:00 amSJC-ONT
1h 15mnonstop
7:35 pm - 8:50 pmONT-SJC
1h 15mnonstop
$209Southwest
Find Deal
Sat, Dec 14 - Mon, Dec 16
8:50 pm - 10:05 pmSJC-ONT
1h 15mnonstop
5:50 am - 7:05 amONT-SJC
1h 15mnonstop
$224Southwest
Find Deal
Thu, Dec 19 - Sun, Dec 22
7:15 am - 8:30 amSJC-ONT
1h 15mnonstop
9:35 pm - 10:50 pmONT-SJC
1h 15mnonstop
$244Southwest
Find Deal
Thu, Dec 19 - Thu, Dec 26
7:45 am - 9:05 amSJC-ONT
1h 20mnonstop
6:00 am - 7:15 amONT-SJC
1h 15mnonstop
$245Southwest
Find Deal
Fri, Jan 17 - Mon, Jan 20
8:30 pm - 9:45 pmSJC-ONT
1h 15mnonstop
4:35 pm - 5:50 pmONT-SJC
1h 15mnonstop
$258Southwest
Find Deal
Sun, Jan 12 - Fri, Jan 17
7:30 am - 8:45 amSJC-ONT
1h 15mnonstop
9:35 pm - 10:50 pmONT-SJC
1h 15mnonstop
$260Southwest
Find Deal
Fri, Dec 20 - Sun, Dec 22
1:15 pm - 2:30 pmSJC-ONT
1h 15mnonstop
6:15 am - 7:35 amONT-SJC
1h 20mnonstop
$264Southwest
Find Deal
Wed, Dec 4 - Wed, Dec 11
9:45 pm - 11:00 pmSJC-ONT
1h 15mnonstop
5:15 pm - 6:30 pmONT-SJC
1h 15mnonstop
$280Southwest
Find Deal
Sun, Dec 22 - Sat, Dec 28
1:15 pm - 2:30 pmSJC-ONT
1h 15mnonstop
1:15 pm - 2:35 pmONT-SJC
1h 20mnonstop
$285Southwest
Find Deal
Thu, Dec 5 - Mon, Dec 9

Frontier flights from San Jose to Ontario

Our best Frontier deals on San Jose to Ontario flight tickets
Frontier
Dec 5
SJC2:28 pmSan Jose
9h 16m
1 stop
ONT11:44 pmOntario
Dec 7
ONT8:04 amOntario
8h 25m
1 stop
SJC4:29 pmSan Jose
Frontier
Dec 12
SJC2:28 pmSan Jose
19h 11m
1 stop
ONT9:39 amOntario
Dec 15
ONT8:59 pmOntario
19h 19m
1 stop
SJC4:18 pmSan Jose
Frontier
Dec 5
SJC2:28 pmSan Jose
9h 16m
1 stop
ONT11:44 pmOntario
Dec 9
ONT11:46 amOntario
4h 32m
1 stop
SJC4:18 pmSan Jose

Alaska Airlines flights from San Jose to Ontario

Our best Alaska Airlines deals on San Jose to Ontario flight tickets
Alaska Airlines
Jan 11
SJC11:58 amSan Jose
5h 06m
1 stop
ONT5:04 pmOntario
Jan 15
ONT6:00 amOntario
6h 15m
1 stop
SJC12:15 pmSan Jose
Alaska Airlines
Feb 25
SJC11:46 amSan Jose
5h 13m
1 stop
ONT4:59 pmOntario
Feb 28
ONT7:14 pmOntario
13h 57m
1 stop
SJC9:11 amSan Jose
Alaska Airlines
Dec 14
SJC6:15 amSan Jose
14h 49m
1 stop
ONT9:04 pmOntario
Dec 16
ONT6:00 amOntario
5h 52m
1 stop
SJC11:52 amSan Jose

See travel insights to Los Angeles from

How to get the cheapest flight ticket from San Jose to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

May. The cheapest time of year to fly to Ontario from San Jose is May. Most expensive is December

What is the cheapest day to depart San Jose for Ontario?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday

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

In the afternoon. San Jose to Ontario flights are approximately 34% more expensive in the evening than in the afternoon

What is the cheapest San Jose to Ontario flight route?

San Jose - Ontario. Fly from San Jose to Ontario for the best San Jose - Ontario flight prices

Can stopping save me money on San Jose to Ontario flights?

You could potentially save up to 46% on your flight if you consider stops on a San Jose to Ontario flight.

How have San Jose to Ontario flight prices changed over time?

As of November 2024, prices for San Jose to Ontario flights are approximately 61% cheaper when compared to flights at the same time last year.

When to book flights from San Jose to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Jose to Ontario (SJC to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose to Ontario

Best Price Found

$50

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from San Jose in the past 72 hours is $50. The best round-trip flight deal from San Jose to Ontario found on momondo in the last 72 hours is $100.
The fastest flight from San Jose to Ontario takes 1h 15m
Direct flights go from San Jose to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is San Jose to Ontario by plane?

    The distance between San Jose and Ontario is about 327.8 mi. By plane, this route typically takes 1h 15m.

  • When did momondo last update prices for flights from San Jose Airport to Ontario Airport?

    Prices for flights from San Jose Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from San Jose Airport to Ontario Airport?

  • How old do you have to be to fly from San Jose Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Jose to Ontario?

  • What is the most popular airline from San Jose to Ontario?


Best airlines flying from San Jose to Ontario

Compare and see reviews for airlines that fly from San Jose to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $37Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
FrontierPriceFrom $38Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $138Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $191Free CancellationRating
8.1
5,014 reviews
Search Southwest flights
  • Southwest Flights From San Jose to Ontario

    Southwest flight deals from San Jose to Ontario start from $191 round-trip. Over the 22 Southwest flights for this route in a normal week, average airfare is usually $276 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Jose to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from San Jose to Ontario with flexible booking policies on momondo?

Flights from San Jose to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Jose to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Jose to Ontario.

I’m not ready to book a flight from San Jose to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Jose to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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