- Home
- Flights
- Flights from Ontario
- Ontario to San Jose
Flights from Ontario to San Jose
There are no direct flights from Ontario to San Jose. The easiest way is one stop via Denver or Houston, about 9h 01m door to door.
No direct flights · 6 connection options From 8h 19m Prices checked 13 days ago
Ontario to San Jose at a glance
Cheapest returnUS$625Fri 16 Apr – Fri 23 AprFastest journey8h 19mEstimated
Nonstop flightsNoneConnect via Denver or Houston
Best ways to fly from Ontario to San Jose
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Denver (DEN) SJO
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Southwest Airlines, United Airlines
4Search
ONT San Francisco (SFO) SJO
Leg 1: Frontier Airlines, United Airlines · Leg 2: United Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 4,341 km2,696 miles
- Journey time
- 8h 19mestimate
- Time difference
- +2hSan Jose vs Ontario
- Currency in San Jose
- USD
- Airports
- ONT → SJO
Flights from Ontario to San Jose: questions answered
Are there direct flights from Ontario to San Jose?
No. There is no nonstop service, so you will connect, most easily in Denver, Houston and Dallas. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to San Jose?
With one connection the journey usually takes around 8h 19m, depending on the layover. The straight-line distance is 4,341 km.
Where do you change planes between Ontario and San Jose?
The best connecting points are Denver (DEN), Houston (IAH), Dallas (DFW) and San Francisco (SFO). Frontier Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Ontario and San Jose?
Ontario: Ontario International Airport (ONT). San Jose: Juan Santamaría International Airport (SJO).
What is the time difference between Ontario and San Jose?
San Jose is 2 hours ahead of Ontario.





