United Airlines Ontario to San Jose Flights

Return flight: San Jose – Ontario

Cheapflightsplus.com will find cheap United Airlines flights from Ontario to San Jose. Compare airline ticket prices and book air tickets starting from $335 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Ontario (CA) — San Jose (CA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $335, two-way – $574.
Direct flights
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Find flights
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
3:30 pm — 7:49 am
+1 day
3:30 pm — 5:14 pm UA5660 United Airlines
Ontario — San Francisco
1h 41m stop
6:55 pm — 8:50 pm UA2646 United Airlines
San Francisco — Portland
9h 10m stop
6:00 am — 7:49 am AS255 Alaska Airlines
Portland — San Jose
16h 19m
including layover
Find flight
from$486
5:05 am — 9:33 pm
5:05 am — 8:24 am UA1575 United Airlines
Ontario — Denver
11h 20m stop
7:44 pm — 9:33 pm UA671 United Airlines
Denver — San Jose
16h 28m
including layover
Find flight
from$335
5:05 am — 5:59 pm
5:05 am — 8:24 am UA1575 United Airlines
Ontario — Denver
7h 46m stop
4:10 pm — 5:59 pm UA2159 United Airlines
Denver — San Jose
12h 54m
including layover
Find flight
from$356
6:00 am — 10:45 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
3h 6m stop
10:35 am — 12:32 pm UA2669 United Airlines
San Francisco — Portland
8h 27m stop
8:59 pm — 10:45 pm AS2272 Alaska Airlines
Portland — San Jose
16h 45m
including layover
Find flight
from$443
6:00 am — 4:17 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
3h 6m stop
10:35 am — 12:32 pm UA2669 United Airlines
San Francisco — Portland
1h 52m stop
2:24 pm — 4:17 pm AS3379 Alaska Airlines
Portland — San Jose
10h 17m
including layover
Find flight
from$459
6:00 am — 6:06 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
3h 6m stop
10:35 am — 12:32 pm UA2669 United Airlines
San Francisco — Portland
3h 42m stop
4:14 pm — 6:06 pm AS3443 Alaska Airlines
Portland — San Jose
12h 6m
including layover
Find flight
from$459
6:00 am — 4:51 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
1h 24m stop
8:53 am — 11:12 am UA573 United Airlines
San Francisco — Seattle
3h 30m stop
2:42 pm — 4:51 pm AS918 Alaska Airlines
Seattle — San Jose
10h 51m
including layover
Find flight
from$486
6:00 am — 10:54 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
1h 24m stop
8:53 am — 11:12 am UA573 United Airlines
San Francisco — Seattle
9h 32m stop
8:44 pm — 10:54 pm AS1310 Alaska Airlines
Seattle — San Jose
16h 54m
including layover
Find flight
from$492
6:00 am — 7:28 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
1h 24m stop
8:53 am — 11:12 am UA573 United Airlines
San Francisco — Seattle
6h 7m stop
5:19 pm — 7:28 pm AS341 Alaska Airlines
Seattle — San Jose
13h 28m
including layover
Find flight
from$492
6:00 am — 4:17 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
1h 31m stop
9:00 am — 10:50 am AS138 Alaska Airlines
San Francisco — Portland
3h 34m stop
2:24 pm — 4:17 pm AS3379 Alaska Airlines
Portland — San Jose
10h 17m
including layover
Find flight
from$510
6:00 am — 4:17 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
3h 42m stop
11:11 am — 1:01 pm AS835 Alaska Airlines
San Francisco — Portland
1h 23m stop
2:24 pm — 4:17 pm AS3379 Alaska Airlines
Portland — San Jose
10h 17m
including layover
Find flight
from$510
6:00 am — 2:11 pm
6:00 am — 7:29 am UA277 United Airlines
Ontario — San Francisco
1h 31m stop
9:00 am — 11:18 am AS1289 Alaska Airlines
San Francisco — Seattle
42m stop
12:00 pm — 2:11 pm AS975 Alaska Airlines
Seattle — San Jose
8h 11m
including layover
Find flight
from$521
7:15 pm — 7:49 am
+1 day
7:15 pm — 8:44 pm UA1757 United Airlines
Ontario — San Francisco
2h 21m stop
11:05 pm — 1:00 am UA2080 United Airlines
San Francisco — Portland
5h stop
6:00 am — 7:49 am AS255 Alaska Airlines
Portland — San Jose
12h 34m
including layover
Find flight
from$421
7:15 pm — 12:05 pm
+1 day
7:15 pm — 8:44 pm UA1757 United Airlines
Ontario — San Francisco
1h 51m stop
10:35 pm — 0:55 am UA1743 United Airlines
San Francisco — Seattle
8h 56m stop
9:51 am — 12:05 pm AS1080 Alaska Airlines
Seattle — San Jose
16h 50m
including layover
Find flight
from$442
7:15 pm — 9:11 am
+1 day
7:15 pm — 8:44 pm UA1757 United Airlines
Ontario — San Francisco
1h 51m stop
10:35 pm — 0:55 am UA1743 United Airlines
San Francisco — Seattle
6h 5m stop
7:00 am — 9:11 am AS1226 Alaska Airlines
Seattle — San Jose
13h 56m
including layover
Find flight
from$442
*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 16 flights by United Airlines from Ontario to San Jose every week with departures from Ontario Int. and International Heliport. All flights arrive at San Jose Municipal and Reid-Hillview.

Departures start from 3:30 pm to 7:15 pm. Nonstop flight is 8h 11m. The time difference between Ontario and San Jose is 0h.

  • The fastest flight 8h 11m
  • Average flight time 12h 54m
  • The earliest flight 3:30 pm
  • The latest flight 7:15 pm
  • Distance 334 ml

The cheapest months for traveling to San Jose are february (from 335 $).

The cheapest flight by United Airlines that our users were able to find is $335. This airfare is economy class on one-way UA1575 flight for February 21, 2025 leaving Ontario Int. in Ontario at 5:05 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 3 airline carriers between Ontario and San Jose. Please review schedules and prices from the most popular airlines to find the best airfare deals from Ontario to San Jose.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

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  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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