Cheap Flights from Ontario to San Jose Starting at $56

Helping travelers to find the best flight offers

Cheapest flights from Ontario to San Jose

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to San Jose. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$56

Spirit Airlines
Spirit Airlines
1 transfer
11h 55m
06/10/2025

The cheapest one-way flight from Ontario to San Jose departs on 06/10/2025, is operated by Spirit Airlines and costs $56

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Ontario to San Jose

The fastest flight

11h 55m

Fastest flight from Ontario to San Jose takes 11h 55m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

6:10 AM

Latest flight

8:40 PM

Direct flights count

32

Distance

530km

Timezone difference

0h

The distance between Ontario and San Jose is 530km (329 miles). There are 32 direct flights from Ontario to San Jose. Ontario and San Jose are in the same time zone. Flights from Ontario begin at 6:10 AM. The latest flight from Ontario departs at 8:40 PM.

See also:

Cheap flights to United States

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Direct flights airfares to San Jose

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Cheapest air tickets to Ontario

Airfare from Ontario to San Jose by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ontario to San Jose

June 2025
Lowest price
on average:
$111
  • Avg Price

Airlines operating on route

Below you will find a list of airlines operating flights on the Ontario — San Jose route and the starting prices for flights of each specific airline on it.

Spirit Airlines
Spirit Airlines

Starting at $38

Frontier Airlines
Frontier Airlines

Starting at $85

Direct Flights from Ontario to San Jose

A direct flight is the most convenient and comfortable way to fly from Ontario to San Jose, despite the fact that sometimes flights with transfers can cost significantly less.

Schedule of direct flights from Ontario to San Jose

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to San Jose:

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Unable to find information about the schedule of direct flights from

Ontario airports overview

ONT
Ontario International Airport
Southwest Airlines
Frontier Airlines
Airlines flying to this airport
$74
Starting at
$132-12%
on average
LAX
Los Angeles International Airport
Frontier Airlines
Alaska Airlines
Airlines flying to this airport
$91
Starting at
$148
on average

San Jose airports overview

SJC
Norman Y. Mineta San Jose International Airport
Southwest Airlines
Alaska Airlines
Frontier Airlines
Airlines flying to this airport
$74
Starting at
$143
on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

Special offers and sales on air tickets from Ontario to San Jose

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

Alternative routes

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