United Airlines San Jose to Ontario Flights

Return flight: Ontario – San Jose
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Cheapflightsplus.com will find cheap United Airlines flights from San Jose to Ontario. Compare airline ticket prices and book air tickets starting from $350 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 San Jose (CA) — Ontario (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 - $350, two-way – $600.
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Cheap Flights from San Jose to Ontario by United Airlines

Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $350. There’re no direct flights. The fastest connecting flight – 7h 56m.
Price Departure Arrival Flight Time Airline Flight
from $350
Find flight
8:30 am
San Jose
San Jose Municipal
 8:55 pm
Ontario
Ontario Int.
 12h 25m
layover
7h 22m - Denver
 United Airlines
UA1999
UA351
from $557
Find flight
12:59 pm
San Jose
San Jose Municipal
 8:55 pm
Ontario
Ontario Int.
 7h 56m
layover
2h 53m - Denver
 United Airlines
UA1510
UA351
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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025
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
12:59 pm — 8:55 pm
12:59 pm — 4:35 pm UA1510 United Airlines
San Jose — Denver
2h 53m stop
7:28 pm — 8:55 pm UA351 United Airlines
Denver — Ontario
7h 56m
including layover
Find flight
from$557
8:30 am — 8:55 pm
8:30 am — 12:06 pm UA1999 United Airlines
San Jose — Denver
7h 22m stop
7:28 pm — 8:55 pm UA351 United Airlines
Denver — Ontario
12h 25m
including layover
Find flight
from$350
*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 3 flights by United Airlines from San Jose to Ontario every week with departures from San Jose Municipal and Reid-Hillview. All flights arrive at Ontario Int. and International Heliport.

Departures start from 12:59 pm to 8:30 am. Nonstop flight is 7h 56m. The time difference between San Jose and Ontario is 0h.

  • The fastest flight 7h 56m
  • Average flight time 10h 11m
  • The earliest flight 12:59 pm
  • The latest flight 8:30 am
  • Distance 334 ml

The cheapest months for traveling to Ontario are february (from 350 $).

The cheapest flight by United Airlines that our users were able to find is $350. This airfare is economy class on one-way UA1999 flight for February 21, 2025 leaving San Jose Municipal in San Jose at 8:30 am, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from San Jose to Ontario:

Other Popular Airlines on the Route

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

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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  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • 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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