
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 (Kiwi.com) |
One-way from | $72 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $359 |
Good round-trip deal | $247 or less |
Good one-way deal | $149 or less |
Fly from
Fly to
Route
Depart
Return
San JoseOntario
SJC - ONT
SJCONT
San Jose
Tue 3/17
11:40 am-10:34 pm
1 stop10h 54m
Ontario
Wed 4/1
11:59 am-10:18 pm
1 stop10h 19m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Sat 5/16
6:50 am-8:05 am
Nonstop1h 15m
Ontario
Sun 5/17
9:20 pm-10:35 pm
Nonstop1h 15m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Tue 3/17
6:45 am-1:05 pm
1 stop6h 20m
Ontario
Tue 3/24
7:00 pm-8:15 pm
Nonstop1h 15m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Fri 5/1
6:55 pm-11:05 pm
1 stop4h 10m
Ontario
Sun 5/3
5:15 am-10:15 am
1 stop5h 00m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Fri 4/3
6:30 am-7:50 am
Nonstop1h 20m
Ontario
Sun 4/5
6:10 am-7:30 am
Nonstop1h 20m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Tue 3/17
8:40 am-1:05 pm
1 stop4h 25m
Ontario
Mon 3/30
5:25 am-10:30 am
1 stop5h 05m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Thu 3/19
6:30 am-7:50 am
Nonstop1h 20m
Ontario
Tue 3/31
2:00 pm-3:20 pm
Nonstop1h 20m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Fri 3/20
6:30 am-7:50 am
Nonstop1h 20m
Ontario
Mon 3/30
5:25 pm-11:45 pm
2 stops6h 20m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Thu 3/19
6:30 am-7:50 am
Nonstop1h 20m
Ontario
Sun 3/22
6:15 am-7:35 am
Nonstop1h 20m
San JoseOntario
SJC - ONT
SJCONT
San Jose
Wed 3/18
7:15 am-5:13 pm
1 stop9h 58m
Ontario
Tue 3/31
5:53 pm-10:58 am
1 stop17h 05m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The price you pay for your flight from San Jose, California to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from San Jose, California to Ontario (average of $20). Flying from San Jose, California to Ontario in September is currently the most expensive (average of $60). 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.
It’s optimal to fly from San Jose, California to Ontario in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their San Jose, California to Ontario flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Overall
Crew
Entertainment
Boarding
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Comfort
Overall
Crew
Entertainment
Boarding
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Comfort
Overall
Crew
Entertainment
Boarding
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Comfort
Overall
Crew
Entertainment
Boarding
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Comfort
Overall
Crew
Entertainment
Boarding
Food
Reviews
Anonymous,Jan 2026
STS - LAX
Comfort
Overall
Crew
Entertainment
Boarding
Food
Reviews
Anonymous,Jan 2026
STS - LAX
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$66 | Average$172 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$68 | Average$287 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$113 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$143 | Average$262 | FlexibilityNo cancel fee | On-time75% |