Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San José, San José Province to Los Angeles from $159

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 José, San José Province to Los Angeles departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San José, San José Province to Los Angeles (SJO-ONT)

Cheap round-trip flights

American Airlines Logo
6:44 am - 10:42 pmSJO-ONT
16h 58m1 stop
American Airlines Logo
3:08 pm - 1:39 pmONT-SJO
20h 31m2 stops
$281American Airlines
Find Deal
Wed, Oct 22 - Wed, Nov 5
Avianca Logo
3:05 pm - 9:55 pmSJO-ONT
7h 50m1 stop
Avianca Logo
11:25 pm - 11:15 amONT-SJO
10h 50m1 stop
$310Avianca
Find Deal
Thu, Oct 9 - Sat, Oct 18
American Airlines Logo
6:00 am - 9:24 pmSJO-ONT
16h 24m2 stops
American Airlines Logo
11:59 pm - 5:57 pmONT-SJO
16h 58m1 stop
$332American Airlines
Find Deal
Tue, Sep 9 - Sun, Sep 28
American Airlines Logo
6:44 am - 7:03 pmSJO-ONT
13h 19m1 stop
American Airlines Logo
10:34 pm - 12:22 pmONT-SJO
11h 48m1 stop
$336American Airlines
Find Deal
Wed, Oct 22 - Wed, Nov 5
American Airlines Logo
6:00 am - 9:24 pmSJO-ONT
16h 24m2 stops
American Airlines Logo
10:35 pm - 7:42 pmONT-SJO
20h 07m2 stops
$341American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Delta Logo
1:23 pm - 12:16 pmSJO-ONT
23h 53m2 stops
Delta Logo
1:15 pm - 11:58 amONT-SJO
21h 43m2 stops
$354Delta
Find Deal
Wed, Oct 22 - Mon, Oct 27
Logo
3:05 pm - 9:55 pmSJO-ONT
7h 50m1 stop
Logo
1:37 pm - 11:14 amONT-SJO
20h 37m2 stops
$378
Find Deal
Thu, Aug 28 - Sat, Sep 13
United Airlines Logo
7:55 am - 10:52 pmSJO-ONT
15h 57m2 stops
United Airlines Logo
1:40 pm - 11:25 amONT-SJO
19h 45m2 stops
$387United Airlines
Find Deal
Sat, Oct 18 - Tue, Nov 11
United Airlines Logo
8:37 am - 5:40 pmSJO-ONT
10h 03m1 stop
United Airlines Logo
6:36 pm - 7:15 amONT-SJO
11h 39m1 stop
$393United Airlines
Find Deal
Thu, Oct 9 - Wed, Oct 15
Delta Logo
1:23 pm - 10:22 pmSJO-ONT
9h 59m1 stop
Delta Logo
10:00 pm - 11:58 amONT-SJO
12h 58m1 stop
$438Delta
Find Deal
Tue, Oct 21 - Mon, Oct 27

American Airlines flights from San José, San José Province to Ontario

Our best American Airlines deals on San José, San José Province to Ontario flight tickets
American Airlines
Oct 22
SJO6:44 amSan José Juan Santamaria Intl
16h 58m
1 stop
ONT10:42 pmOntario
Nov 5
ONT3:08 pmOntario
20h 31m
2 stops
SJO1:39 pmSan José Juan Santamaria Intl
$281
Find similar
American Airlines
Sep 9
SJO6:00 amSan José Juan Santamaria Intl
16h 24m
2 stops
ONT9:24 pmOntario
Sep 28
ONT11:59 pmOntario
16h 58m
1 stop
SJO5:57 pmSan José Juan Santamaria Intl
$332
Find similar
American Airlines
Oct 22
SJO6:44 amSan José Juan Santamaria Intl
13h 19m
1 stop
ONT7:03 pmOntario
Nov 5
ONT10:34 pmOntario
11h 48m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
$336
Find similar

Avianca flights from San José, San José Province to Ontario

Our best Avianca deals on San José, San José Province to Ontario flight tickets
Avianca
Oct 9
SJO3:05 pmSan José Juan Santamaria Intl
7h 50m
1 stop
ONT9:55 pmOntario
Oct 18
ONT11:25 pmOntario
10h 50m
1 stop
SJO11:15 amSan José Juan Santamaria Intl
$310
Find similar
Avianca
Sep 9
SJO9:35 amSan José Juan Santamaria Intl
13h 20m
1 stop
ONT9:55 pmOntario
Sep 13
ONT11:25 pmOntario
10h 50m
1 stop
SJO11:15 amSan José Juan Santamaria Intl
$357
Find similar
Avianca
Sep 23
SJO9:35 amSan José Juan Santamaria Intl
13h 20m
1 stop
ONT9:55 pmOntario
Oct 7
ONT11:25 pmOntario
13h 05m
1 stop
SJO1:30 pmSan José Juan Santamaria Intl
$358
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José, San José Province 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from San José, San José Province to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Wed 10/22

6:44 am-10:42 pm

1 stop16h 58m

Ontario

Wed 11/5

3:08 pm-1:39 pm

2 stops20h 31m

$281

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 10/9

3:05 pm-9:55 pm

1 stop7h 50m

Ontario

Sat 10/18

11:25 pm-11:15 am

1 stop10h 50m

$310

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 9/9

6:00 am-9:24 pm

2 stops16h 24m

Ontario

Sun 9/28

11:59 pm-5:57 pm

1 stop16h 58m

$332

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Wed 10/22

6:44 am-7:03 pm

1 stop13h 19m

Ontario

Wed 11/5

10:34 pm-12:22 pm

1 stop11h 48m

$336

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Wed 9/17

6:00 am-9:24 pm

2 stops16h 24m

Ontario

Wed 9/24

10:35 pm-7:42 pm

2 stops20h 07m

$341

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Wed 10/22

1:23 pm-12:16 pm

2 stops23h 53m

Ontario

Mon 10/27

1:15 pm-11:58 am

2 stops21h 43m

$354

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 8/28

3:05 pm-9:55 pm

1 stop7h 50m

Ontario

Sat 9/13

1:37 pm-11:14 am

2 stops20h 37m

$378

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Sat 10/18

7:55 am-10:52 pm

2 stops15h 57m

Ontario

Tue 11/11

1:40 pm-11:25 am

2 stops19h 45m

$387

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 10/9

8:37 am-5:40 pm

1 stop10h 03m

Ontario

Wed 10/15

6:36 pm-7:15 am

1 stop11h 39m

$393

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 10/21

1:23 pm-10:22 pm

1 stop9h 59m

Ontario

Mon 10/27

10:00 pm-11:58 am

1 stop12h 58m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

How to get the cheapest flight ticket from San José, San José Province 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 to Ontario?

In general, May is the cheapest month to fly from San José, San José Province to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $387. If you aren’t able to travel during the month of May, then book flights to Ontario from San José, San José Province during September instead. Flights to Ontario in September, while not as cheap as those in May, still average around $388.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $418. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San José, San José Province to Ontario for around $660.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from San José, San José Province to Ontario when you can find flight prices for as low as $265. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $645 on average. Flights to Ontario from San José, San José Province at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Ontario from San José, San José Province when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $496 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from San José, San José Province for as low as $216 on momondo.

How have San José, San José Province to Ontario flight prices changed over time?

As of August 2025, prices for San José, San José Province to Ontario flights are approximately 53% more expensive when compared to flights at the same time last year.

When to book flights from San José, San José Province to Ontario

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

Cheap San José, San José Province to Ontario (SJO to ONT) flight deals and tips

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

Best Price Found

$159

Fastest flight time

7h 50m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from San José, San José Province in the past 72 hours is $159. The best round-trip flight deal from San José, San José Province to Ontario found on momondo in the last 72 hours is $281.
The fastest flight from San José, San José Province to Ontario takes 7h 50m
There are no direct flights from San José, San José Province to Ontario. Popular non-direct route for this connection is San José Juan Santamaria Intl Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
Search flight deals

  • How far is San José Juan Santamaria Intl to Ontario by plane?

    A flight from San José Juan Santamaria Intl to Ontario will travel around 2696.0 mi. Flights usually cover this in 7h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Ontario Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Ontario Airport?

  • How old do you have to be to fly from San José Juan Santamaria Intl 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 José Juan Santamaria Intl Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San José, San José Province to Ontario?

Best airlines flying from San José, San José Province to Ontario

Compare and see reviews for airlines that fly from San José, San José Province to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $324Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find San José to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. All flights to Ontario from San José on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San José 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 José to Ontario.

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

Price alerts on flights to Ontario from San José are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/23
Sat 8/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States