Cheap Flights from Ontario, CA to San Jose from $183
On Cheapflightsplus.com you will find 435 connecting flights from Ontario to San Jose. You can compare airfare deals from 7 airlines and multiple travel sites from $183, 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.
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 00:08 to 23:25 from 2 Ontario airports and arrive 00:08 to 23:25 to 2 San Jose airports. Average flight time is 22h 52m.
- The fastest flight 8h 15m
- Average flight time 22h 52m
- The earliest flight 00:08
- The latest flight 23:25
- Distance 2687 ml
Best Flights from Ontario to San Jose Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $206 | 06:04 Ontario Ontario Int. | 19:37 San Jose Juan Santamaria Intl | 12h 33m layover 5h 39m - Houston | United Airlines | UA1936 UA1280 |
from $210 | 23:25 Ontario Ontario Int. | 11:15+1 день San Jose Juan Santamaria Intl | 10h 50m layover 5h 0m - San Salvador | Avianca | AV531 AV613 |
from $183 | 19:36 Ontario Ontario Int. | 10:27+2 дня San Jose Juan Santamaria Intl | 37h 51m layover 18h 40m - Las Vegas 9h 52m - Orlando | Frontier Airlines | F94758 F91728 NK1309 |
from $207 | 18:39 Ontario Ontario Int. | 10:11+1 день San Jose Juan Santamaria Intl | 14h 32m layover 3h 53m - San Francisco 1h 40m - Houston | United Airlines | UA2042 UA505 UA2448 |
The cheapest months to travel to San Jose are june (from 183 $), august (from 188 $), may (from 190 $).
The most expensive months are december (from 793 $), november (from 452 $), february (from 266 $).
What is the lowest airfare Ontario to San Jose?
The cheapest plane ticket found by our users is $183. This airfare is for economy class on one-way F94758 flight by Frontier Airlines for June 6, 2025 which leaves Ontario Int. in Ontario at 19:36 am and arrives at San Jose Juan Santamaria Intl at 10:27.
Flight Schedule Ontario (California) to San Jose
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Popular Airlines on the Route
The flight Ontario — San Jose is served by 7 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Air Canada - 21 departures per week at the price of from $ 589 . And the most expensive tickets are offered by Avianca airline - from $ 1761.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 435 flights with layovers on the route. The fastest connecting flight is AV531 by Avianca takes 8h 15m and the cheapest is F94758 by Frontier Airlines for $183.
- AS - Alaska Airlinesfrom $246Find
- AC - Air Canadafrom $589Find
- F9 - Frontier Airlinesfrom $183Find
- AV - Aviancafrom $210Find
- HA - Hawaiian Airlinesfrom $277Find
- Y4 - Volarisfrom $281Find
- UA - United Airlinesfrom $206Find
Airports
You can fly from Ontario to San Jose from 2 airports (Ontario Int., International Heliport).
Ontario airports
- Ontario Int.-ONTfrom $183Find
- International Heliport-JIOFind
San Jose airports
- Juan Santamaria Intl-SJOFind
- Tobias Bolanos Intl-SYQFind
Airplanes
There are flights to San Jose from Ontario by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Ontario
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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.
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How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- 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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