Cheap Flights from Ontario, CA to San Jose, CA from $54

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On Cheapflightsplus.com you will find 37 connecting flights from Ontario to San Jose. You can compare airfare deals from 4 airlines and multiple travel sites from $54, book and save on cheap plane tickets and last minute offers. Also check out ONT-SJC flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to San Jose Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $54 (one-way), $93 (round-trip).

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Best Flights from Ontario to San Jose Today

Take a look at the list of non stop flights and flights with layovers from Ontario to San Jose with the lowest price of $54. Take a look at the list of flights with layovers from Ontario to San Jose from $54. There’re no direct flights. The fastest connecting flight – 5h 1m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $54 Find flight	20:27 Ontario Ontario Int.	09:11+1 день San Jose San Jose Municipal	12h 44m layover 7h 41m - Denver	Frontier Airlines	F92908 F94917
from $149 Find flight	11:45 Ontario Ontario Int.	18:06 San Jose San Jose Municipal	6h 21m layover 1h 56m - Portland	Alaska Airlines	AS3312 AS3443
from $149 Find flight	06:00 Ontario Ontario Int.	14:11 San Jose San Jose Municipal	8h 11m layover 3h 10m - Seattle	Alaska Airlines	AS1091 AS975
from $184 Find flight	16:20 Ontario Ontario Int.	09:11+1 день San Jose San Jose Municipal	16h 51m layover 11h 50m - Seattle	Alaska Airlines	AS1119 AS1226
from $185 Find flight	11:57 Ontario Ontario Int.	22:54 San Jose San Jose Municipal	10h 57m layover 6h 0m - Seattle	Alaska Airlines	AS1255 AS1310
from $196 Find flight	07:00 Ontario Ontario Int.	18:06 San Jose San Jose Municipal	11h 6m layover 6h 48m - Portland	Alaska Airlines	AS1058 AS3443
from $196 Find flight	07:00 Ontario Ontario Int.	22:45 San Jose San Jose Municipal	15h 45m layover 11h 33m - Portland	Alaska Airlines	AS1058 AS2272
from $212 Find flight	06:00 Ontario Ontario Int.	16:51 San Jose San Jose Municipal	10h 51m layover 5h 52m - Seattle	Alaska Airlines	AS1091 AS918
from $212 Find flight	06:00 Ontario Ontario Int.	23:56 San Jose San Jose Municipal	17h 56m layover 12h 54m - Seattle	Alaska Airlines	AS1091 AS178
from $216 Find flight	07:00 Ontario Ontario Int.	12:33 San Jose San Jose Municipal	5h 33m layover 1h 19m - Portland	Alaska Airlines	AS1058 AS2240
from $233 Find flight	19:14 Ontario Ontario Int.	09:11+1 день San Jose San Jose Municipal	13h 57m layover 9h 0m - Seattle	Alaska Airlines	AS1399 AS1226
from $233 Find flight	19:14 Ontario Ontario Int.	12:05+1 день San Jose San Jose Municipal	16h 51m layover 11h 51m - Seattle	Alaska Airlines	AS1399 AS1080
from $238 Find flight	11:57 Ontario Ontario Int.	19:28 San Jose San Jose Municipal	7h 31m layover 2h 35m - Seattle	Alaska Airlines	AS1255 AS341
from $244 Find flight	11:57 Ontario Ontario Int.	23:56 San Jose San Jose Municipal	11h 59m layover 7h 0m - Seattle	Alaska Airlines	AS1255 AS178
from $244 Find flight	17:44 Ontario Ontario Int.	07:49+1 день San Jose San Jose Municipal	14h 5m layover 9h 52m - Portland	Alaska Airlines	AS2202 AS255
from $190 Find flight	07:00 Ontario Ontario Int.	16:51 San Jose San Jose Municipal	9h 51m layover 2h 14m - Portland 2h 1m - Seattle	Alaska Airlines	AS1058 AS970 AS918

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 22, 2025

Flight Schedule Ontario (California) to San Jose (California)

Full flight schedule will help you in detecting at what time planes fly from Ontario to San Jose. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:05 — 21:33	05:05 — 08:24 UA1575 United Airlines Ontario — Denver 11h 20m stop 19:44 — 21:33 UA671 United Airlines Denver — San Jose	16h 28m including layover	Find flight from$331
05:05 — 17:59	05:05 — 08:24 UA1575 United Airlines Ontario — Denver 7h 46m stop 16:10 — 17:59 UA2159 United Airlines Denver — San Jose	12h 54m including layover	Find flight from$352
06:00 — 14:11	06:00 — 08:54 AS1091 Alaska Airlines Ontario — Seattle 3h 10m stop 12:00 — 14:20 AS975 Alaska Airlines Seattle — San Jose	8h 11m including layover	Find flight from$149
06:00 — 16:51	06:00 — 08:54 AS1091 Alaska Airlines Ontario — Seattle 5h 52m stop 15:55 — 18:09 AS918 Alaska Airlines Seattle — San Jose	10h 51m including layover	Find flight from$212
07:00 — 18:06	07:00 — 09:33 AS1058 Alaska Airlines Ontario — Portland 6h 48m stop 16:29 — 18:22 AS3443 Alaska Airlines Portland — San Jose	11h 6m including layover	Find flight from$196
11:45 — 18:06	11:14 — 13:38 AS3312 Alaska Airlines Ontario — Portland 1h 56m stop 16:29 — 18:22 AS3443 Alaska Airlines Portland — San Jose	6h 21m including layover	Find flight from$149
11:57 — 22:54	11:33 — 14:24 AS1255 Alaska Airlines Ontario — Seattle 6h stop 21:16 — 23:27 AS1310 Alaska Airlines Seattle — San Jose	10h 57m including layover	Find flight from$185
16:20 — 09:11 +1 day	14:19 — 17:08 AS1119 Alaska Airlines Ontario — Seattle 11h 50m stop 07:01 — 09:13 AS1226 Alaska Airlines Seattle — San Jose	16h 51m including layover	Find flight from$184
16:20 — 22:54	13:28 — 16:21 AS1119 Alaska Airlines Ontario — Seattle 1h 34m stop 18:45 — 21:00 AS1310 Alaska Airlines Seattle — San Jose	6h 34m including layover	Find flight from$265
17:44 — 07:49 +1 day	17:44 — 20:08 AS2202 Alaska Airlines Ontario — Portland 9h 52m stop 06:00 — 07:49 AS255 Alaska Airlines Portland — San Jose	14h 5m including layover	Find flight from$244
17:44 — 22:45	17:44 — 20:08 AS2202 Alaska Airlines Ontario — Portland 51m stop 20:59 — 22:45 AS2272 Alaska Airlines Portland — San Jose	5h 1m including layover	Find flight from$259
19:14 — 09:11 +1 day	18:30 — 21:15 AS1399 Alaska Airlines Ontario — Seattle 9h stop 07:01 — 09:13 AS1226 Alaska Airlines Seattle — San Jose	13h 57m including layover	Find flight from$233
19:14 — 12:05 +1 day	18:30 — 21:15 AS1399 Alaska Airlines Ontario — Seattle 11h 51m stop 09:14 — 11:27 AS1080 Alaska Airlines Seattle — San Jose	16h 51m including layover	Find flight from$233
20:27 — 09:11 +1 day	16:08 — 19:26 F92908 Frontier Airlines Ontario — Denver 7h 41m stop 10:28 — 12:08 F94917 Frontier Airlines Denver — San Jose	12h 44m including layover	Find flight from$54
20:56 — 09:02 +1 day	20:33 — 01:32 Y41863 Volaris Ontario — Guadalajara 5h 5m stop 07:00 — 09:02 Y41820 Volaris Guadalajara — San Jose	12h 6m including layover	Find flight from$335
07:00 — 16:51	07:00 — 09:26 AS1058 Alaska Airlines Ontario — Portland 2h 14m stop 11:40 — 12:41 AS970 Alaska Airlines Portland — Seattle 2h 1m stop 14:42 — 16:51 AS918 Alaska Airlines Seattle — San Jose	9h 51m including layover	Find flight from$190
15:30 — 07:49 +1 day	15:30 — 17:14 UA5660 United Airlines Ontario — San Francisco 1h 41m stop 18:55 — 20:50 UA2646 United Airlines San Francisco — Portland 9h 10m stop 06:00 — 07:49 AS255 Alaska Airlines Portland — San Jose	16h 19m including layover	Find flight from$480

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on February 22, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to San Jose depends on and how to choose the most interesting flight option for you.

Distance between Ontario and San Jose is 536 miles. Time difference between the cities is 0h. Airplanes depart 05:05 to 20:56 from 2 Ontario airports and arrive 05:05 to 20:56 to 2 San Jose airports. Average flight time is 12h 6m.

The fastest flight 5h 1m
Average flight time 12h 6m
The earliest flight 05:05
The latest flight 20:56
Distance 334 ml

The cheapest months to travel to San Jose are december (from 54 $), february (from 86 $), january (from 149 $).

The most expensive months are november (from 272 $), january (from 149 $), february (from 86 $).

What is the lowest airfare Ontario to San Jose?

The cheapest plane ticket found by our users is $54. This airfare is for economy class on one-way F92908 flight by Frontier Airlines for February 21, 2025 which leaves Ontario Int. in Ontario at 20:27 am and arrives at San Jose San Jose Municipal at 09:11.

Economy class

$54

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Popular Airlines on the Route

The flight Ontario — San Jose is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 20 departures per week at the price of from $ 149 . And the most expensive tickets are offered by United Airlines airline - from $ 515.

Direct flights

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

Connecting Flights

There are 37 flights with layovers on the route. The fastest connecting flight is AS2202 by Alaska Airlines takes 5h 1m and the cheapest is F92908 by Frontier Airlines for $54.

AS - Alaska Airlines

from $149

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F9 - Frontier Airlines

from $54

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UA - United Airlines

from $331

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Y4 - Volaris

from $335

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Airports

You can fly from Ontario to San Jose from 2 airports (Ontario Int., International Heliport).

Ontario airports

Ontario Int.-ONT

from $54
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International Heliport-JIO

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San Jose airports

San Jose Municipal-SJC

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Reid-Hillview-RHV

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Airplanes

There are flights to San Jose from Ontario by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Tampa

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Ontario — Pittsburgh

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Ontario — Indianapolis

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Ontario — Cleveland

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Ontario — Tucson

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Ontario — New Orleans

from $63

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Ontario — San Jose

from $61

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Ontario — Honolulu

from $63

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Ontario — Austin

from $67

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Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Mexico City

from $58

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Ontario — Cancun

from $74

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Ontario — Toronto

from $70

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Ontario — London

from $62

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Ontario — Vancouver

from $61

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How to book a plane ticket yourself?

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