Cheap Flights from Ontario, CA to San Jose from $172

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On Cheapflightsplus.com you will find 282 connecting flights from Ontario to San Jose. You can compare airfare deals from 6 airlines and multiple travel sites from $172, book and save on cheap plane tickets and last minute offers. Also check out ONT-SJO 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: $172 (one-way), $295 (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 $172. Take a look at the list of flights with layovers from Ontario to San Jose from $172. There’re no direct flights. The fastest connecting flight – 9h 47m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $257 Find flight	00:58 Ontario Ontario Int.	23:11 San Jose Juan Santamaria Intl	20h 13m layover 13h 52m - Guadalajara	Volaris	Y41861 Q64059
from $272 Find flight	22:30 Ontario Ontario Int.	11:25+1 день San Jose Juan Santamaria Intl	10h 55m layover 5h 10m - San Salvador	Avianca	AV531 AV611
from $324 Find flight	06:00 Ontario Ontario Int.	13:17+1 день San Jose Juan Santamaria Intl	29h 17m layover 22h 32m - Houston	United Airlines	UA2360 UA1096
from $172 Find flight	16:48 Ontario Ontario Int.	12:33+1 день San Jose Juan Santamaria Intl	17h 45m layover 7h 38m - Houston 1h 34m - Miami	Frontier Airlines	F93132 NK221 NK335
from $261 Find flight	17:26 Ontario Ontario Int.	11:31+1 день San Jose Juan Santamaria Intl	16h 5m layover 3h 55m - Las Vegas 3h 13m - Orlando	Frontier Airlines	F92232 F91876 NK1309
from $261 Find flight	15:24 Ontario Ontario Int.	11:31+1 день San Jose Juan Santamaria Intl	18h 7m layover 1h 6m - Las Vegas 7h 56m - Orlando	Frontier Airlines	F91284 F93914 NK1309
from $262 Find flight	18:44 Ontario Ontario Int.	11:31+1 день San Jose Juan Santamaria Intl	14h 47m layover 2h 38m - Las Vegas 3h 13m - Orlando	Frontier Airlines	F94206 F91876 NK1309
from $269 Find flight	20:11 Ontario Ontario Int.	11:18+1 день San Jose Juan Santamaria Intl	13h 7m layover 1h 17m - Denver 2h 27m - Orlando	Frontier Airlines	F91500 F91734 NK1309
from $269 Find flight	18:13 Ontario Ontario Int.	11:31+1 день San Jose Juan Santamaria Intl	15h 18m layover 3h 20m - Denver 2h 49m - Orlando	Frontier Airlines	F91262 F91734 NK1309
from $269 Find flight	13:52 Ontario Ontario Int.	11:31+1 день San Jose Juan Santamaria Intl	19h 39m layover 7h 59m - Las Vegas 2h 36m - Orlando	Frontier Airlines	F91358 F91876 NK1309
from $269 Find flight	22:58 Ontario Ontario Int.	11:31+2 дня San Jose Juan Santamaria Intl	34h 33m layover 8h 11m - Las Vegas 17h 29m - Orlando	Frontier Airlines	F94206 F91728 NK1309
from $273 Find flight	22:58 Ontario Ontario Int.	12:26+2 дня San Jose Juan Santamaria Intl	35h 28m layover 21h 21m - Las Vegas 5h 40m - Miami	Frontier Airlines	F94758 NK954 NK335
from $281 Find flight	11:20 Ontario Ontario Int.	07:35+1 день San Jose Juan Santamaria Intl	18h 15m layover 6h 35m - Denver 1h 59m - Panama City	Frontier Airlines	F91262 CM477 CM787
from $281 Find flight	11:20 Ontario Ontario Int.	08:08+1 день San Jose Juan Santamaria Intl	18h 48m layover 6h 35m - Denver 2h 32m - Panama City	Frontier Airlines	F91262 CM477 CM818
from $281 Find flight	06:30 Ontario Ontario Int.	07:35+1 день San Jose Juan Santamaria Intl	23h 5m layover 11h 20m - Denver 1h 59m - Panama City	Frontier Airlines	F91500 CM477 CM787
from $281 Find flight	06:30 Ontario Ontario Int.	08:08+1 день San Jose Juan Santamaria Intl	23h 38m layover 11h 20m - Denver 2h 32m - Panama City	Frontier Airlines	F91500 CM477 CM818

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 09, 2025

Flight Schedule Ontario (California) to San Jose

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
00:58 — 23:11	00:58 — 05:57 Y41861 Volaris Ontario — Guadalajara 13h 52m stop 19:49 — 23:11 Q64059 Q6 Guadalajara — San Jose	20h 13m including layover	Find flight from$257
22:30 — 11:25 +1 day	22:30 — 05:05 AV531 Avianca Ontario — San Salvador 5h 10m stop 10:15 — 11:25 AV611 Avianca San Salvador — San Jose	10h 55m including layover	Find flight from$272
05:45 — 07:25 +1 day	05:45 — 09:11 F91500 Frontier Airlines Ontario — Denver 12h 3m stop 21:14 — 05:11 CM477 Compania Panamena de Aviacion Denver — Panama City 1h 49m stop 07:00 — 07:25 CM851 Compania Panamena de Aviacion Panama City — San Jose	23h 40m including layover	Find flight from$293
05:45 — 07:25 +1 day	05:45 — 07:15 F92677 Frontier Airlines Ontario — San Francisco 11h 35m stop 18:50 — 05:13 CM409 Compania Panamena de Aviacion San Francisco — Panama City 1h 47m stop 07:00 — 07:25 CM851 Compania Panamena de Aviacion Panama City — San Jose	23h 40m including layover	Find flight from$308
06:30 — 07:35 +1 day	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 11h 20m stop 21:14 — 05:11 CM477 Compania Panamena de Aviacion Denver — Panama City 1h 59m stop 07:10 — 07:35 CM787 Compania Panamena de Aviacion Panama City — San Jose	23h 5m including layover	Find flight from$281
06:30 — 08:08 +1 day	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 11h 20m stop 21:14 — 05:11 CM477 Compania Panamena de Aviacion Denver — Panama City 2h 32m stop 07:43 — 08:08 CM818 Compania Panamena de Aviacion Panama City — San Jose	23h 38m including layover	Find flight from$281
07:58 — 01:01 +1 day	14:00 — 19:16 F93132 Frontier Airlines Ontario — Houston 5h 33m stop 18:47 — 22:15 NK1155 Spirit Airlines Houston — Miami 53m stop 23:08 — 01:01 NK1755 Spirit Airlines Miami — San Jose	15h 3m including layover	Find flight from$251
07:58 — 11:31 +1 day	07:58 — 13:14 F93132 Frontier Airlines Ontario — Houston 5h 2m stop 18:16 — 21:49 F94978 Frontier Airlines Houston — Orlando 11h 29m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	25h 33m including layover	Find flight from$296
08:01 — 12:26 +1 day	08:01 — 09:13 F91358 Frontier Airlines Ontario — Las Vegas 12h 32m stop 21:45 — 05:16 NK202 Spirit Airlines Las Vegas — Miami 5h 19m stop 10:35 — 12:26 NK335 Spirit Airlines Miami — San Jose	26h 25m including layover	Find flight from$293
08:04 — 00:59 +1 day	08:01 — 09:13 F91358 Frontier Airlines Ontario — Las Vegas 3h 9m stop 12:25 — 19:59 NK231 Spirit Airlines Las Vegas — Miami 3h 6m stop 23:05 — 00:59 NK1755 Spirit Airlines Miami — San Jose	14h 55m including layover	Find flight from$296
09:26 — 12:26 +1 day	09:26 — 10:33 F92010 Frontier Airlines Ontario — Las Vegas 10h 47m stop 21:20 — 04:55 NK954 Spirit Airlines Las Vegas — Miami 5h 40m stop 10:35 — 12:26 NK335 Spirit Airlines Miami — San Jose	25h including layover	Find flight from$288
09:26 — 11:31 +1 day	09:26 — 10:33 F92010 Frontier Airlines Ontario — Las Vegas 11h 2m stop 21:35 — 05:04 NK1853 Spirit Airlines Las Vegas — Orlando 4h 14m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	24h 5m including layover	Find flight from$310
10:21 — 11:31 +1 day	10:21 — 15:21 F91406 Frontier Airlines Ontario — Dallas 5h 39m stop 21:00 — 00:50 F94192 Frontier Airlines Dallas — Orlando 8h 28m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	23h 10m including layover	Find flight from$296
11:20 — 07:35 +1 day	11:20 — 14:39 F91262 Frontier Airlines Ontario — Denver 6h 35m stop 21:14 — 05:11 CM477 Compania Panamena de Aviacion Denver — Panama City 1h 59m stop 07:10 — 07:35 CM787 Compania Panamena de Aviacion Panama City — San Jose	18h 15m including layover	Find flight from$281
11:58 — 11:28 +1 day	11:58 — 17:11 F93132 Frontier Airlines Ontario — Houston 2h 50m stop 20:01 — 23:31 NK198 Spirit Airlines Houston — Orlando 9h 40m stop 09:11 — 11:28 NK1309 Spirit Airlines Orlando — San Jose	21h 30m including layover	Find flight from$279
12:34 — 23:20 +1 day	12:34 — 13:46 F92232 Frontier Airlines Ontario — Las Vegas 24h 29m stop 14:15 — 21:05 AV527 Avianca Las Vegas — San Salvador 1h stop 22:05 — 23:20 AV651 Avianca San Salvador — San Jose	32h 46m including layover	Find flight from$273
13:52 — 11:31 +1 day	13:52 — 15:04 F91358 Frontier Airlines Ontario — Las Vegas 7h 59m stop 23:03 — 06:42 F91876 Frontier Airlines Las Vegas — Orlando 2h 36m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	19h 39m including layover	Find flight from$269
13:52 — 12:26 +1 day	09:26 — 10:33 F91358 Frontier Airlines Ontario — Las Vegas 6h 16m stop 21:20 — 04:55 NK954 Spirit Airlines Las Vegas — Miami 5h 40m stop 10:35 — 12:26 NK335 Spirit Airlines Miami — San Jose	20h 34m including layover	Find flight from$287
14:00 — 12:26 +1 day	14:00 — 19:16 F93132 Frontier Airlines Ontario — Houston 10h 56m stop 06:12 — 09:35 NK2221 Spirit Airlines Houston — Miami 1h stop 10:35 — 12:26 NK335 Spirit Airlines Miami — San Jose	20h 26m including layover	Find flight from$251
14:00 — 11:31 +1 day	14:00 — 19:16 F93132 Frontier Airlines Ontario — Houston 9h 59m stop 05:15 — 08:34 NK1571 Spirit Airlines Houston — Orlando 44m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	19h 31m including layover	Find flight from$271
15:14 — 01:01 +2 days	15:14 — 16:24 F93218 Frontier Airlines Ontario — Las Vegas 13h 6m stop 05:30 — 13:02 NK867 Spirit Airlines Las Vegas — Miami 10h 6m stop 23:08 — 01:01 NK1755 Spirit Airlines Miami — San Jose	31h 47m including layover	Find flight from$288
15:24 — 11:31 +1 day	15:24 — 16:34 F91284 Frontier Airlines Ontario — Las Vegas 1h 6m stop 17:40 — 01:22 F93914 Frontier Airlines Las Vegas — Orlando 7h 56m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	18h 7m including layover	Find flight from$261
16:08 — 11:28 +2 days	16:08 — 19:26 F92908 Frontier Airlines Ontario — Denver 23h 55m stop 19:21 — 01:04 F94920 Frontier Airlines Denver — Orlando 8h 7m stop 09:11 — 11:28 NK1309 Spirit Airlines Orlando — San Jose	41h 20m including layover	Find flight from$297
16:48 — 12:33 +1 day	16:48 — 21:52 F93132 Frontier Airlines Ontario — Houston 7h 38m stop 05:30 — 09:06 NK221 Spirit Airlines Houston — Miami 1h 34m stop 10:40 — 12:33 NK335 Spirit Airlines Miami — San Jose	17h 45m including layover	Find flight from$172
17:26 — 11:31 +1 day	17:26 — 18:36 F92232 Frontier Airlines Ontario — Las Vegas 3h 55m stop 22:31 — 06:05 F91876 Frontier Airlines Las Vegas — Orlando 3h 13m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	16h 5m including layover	Find flight from$261
17:26 — 01:01 +2 days	17:26 — 18:36 F92232 Frontier Airlines Ontario — Las Vegas 10h 54m stop 05:30 — 13:02 NK867 Spirit Airlines Las Vegas — Miami 10h 6m stop 23:08 — 01:01 NK1755 Spirit Airlines Miami — San Jose	29h 35m including layover	Find flight from$287
18:13 — 11:31 +1 day	10:55 — 14:18 F91262 Frontier Airlines Ontario — Denver 3h 20m stop 00:20 — 05:54 F91734 Frontier Airlines Denver — Orlando 2h 49m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	15h 18m including layover	Find flight from$269
18:44 — 11:31 +1 day	18:44 — 19:53 F94206 Frontier Airlines Ontario — Las Vegas 2h 38m stop 22:31 — 06:05 F91876 Frontier Airlines Las Vegas — Orlando 3h 13m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	14h 47m including layover	Find flight from$262
20:11 — 11:18 +1 day	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 1h 17m stop 00:20 — 05:54 F91734 Frontier Airlines Denver — Orlando 2h 27m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	13h 7m including layover	Find flight from$269
20:59 — 00:59 +2 days	20:59 — 22:08 F94206 Frontier Airlines Ontario — Las Vegas 14h 17m stop 12:25 — 19:59 NK231 Spirit Airlines Las Vegas — Miami 3h 6m stop 23:05 — 00:59 NK1755 Spirit Airlines Miami — San Jose	26h including layover	Find flight from$293
22:58 — 11:31 +2 days	22:58 — 23:59 F94206 Frontier Airlines Ontario — Las Vegas 8h 11m stop 08:10 — 15:49 F91728 Frontier Airlines Las Vegas — Orlando 17h 29m stop 09:18 — 11:31 NK1309 Spirit Airlines Orlando — San Jose	34h 33m including layover	Find flight from$269

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

*Departure and arrival times - local. Updated on May 9, 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 4324 miles. Time difference between the cities is 2h. Airplanes depart 00:58 to 22:58 from 2 Ontario airports and arrive 00:58 to 22:58 to 2 San Jose airports. Average flight time is 22h 40m.

The fastest flight 9h 47m
Average flight time 22h 40m
The earliest flight 00:58
The latest flight 22:58
Distance 2687 ml

The cheapest months to travel to San Jose are february (from 172 $), november (from 251 $), january (from 273 $).

The most expensive months are december (from 273 $), january (from 273 $), november (from 251 $).

What is the lowest airfare Ontario to San Jose?

The cheapest plane ticket found by our users is $172. This airfare is for economy class on one-way F93132 flight by Frontier Airlines for February 21, 2025 which leaves Ontario Int. in Ontario at 16:48 am and arrives at San Jose Juan Santamaria Intl at 12:33.

Economy class

$172

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Business class

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First class

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Popular Airlines on the Route

The flight Ontario — San Jose is served by 6 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Air Canada - 5 departures per week at the price of from $ 762 . And the most expensive tickets are offered by Air Canada airline - from $ 2861.

Direct flights

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

Connecting Flights

There are 282 flights with layovers on the route. The fastest connecting flight is AV531 by Avianca takes 9h 47m and the cheapest is F93132 by Frontier Airlines for $172.

AS - Alaska Airlines

from $419

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AC - Air Canada

from $762

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F9 - Frontier Airlines

from $172

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AV - Avianca

from $272

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Y4 - Volaris

from $257

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UA - United Airlines

from $317

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See more connecting flights

Airports

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

Ontario airports

Ontario Int.-ONT

from $172
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International Heliport-JIO

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San Jose airports

Juan Santamaria Intl-SJO

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Tobias Bolanos Intl-SYQ

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Airplanes

There are flights to San Jose from Ontario by 6 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 — Phoenix

from $56

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Ontario — Denver

from $65

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Ontario — Austin

from $67

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Ontario — Miami

from $62

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Ontario — Tucson

from $80

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Ontario — Las Vegas

from $63

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Ontario — Seattle

from $65

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Ontario — Boise

from $70

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Ontario — Chicago

from $78

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Ontario — Philadelphia

from $62

Find

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 — London

from $62

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Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Cancun

from $74

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How to book a plane 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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