Flights from Ontario to San Jose (ONT to SJC)

Discover more affordable dates and routes for flights from Ontario to San Jose (ONT to SJC) within a date range.

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  • US$609
    Alaska AirlinesAlaska Airlines
    2:22pm - 8:51pm
    Mon Aug 4th 2025
    6h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1242 Depart at 2:22pm from Ontario (ONT) Fly for 2h 37m Arrive at 4:59pm in Seattle (SEA)

    Layover in Seattle for 1h 37m

    Mon Aug 4th 2025 Alaska Airlines · AS 1310 Depart at 6:36pm from Seattle (SEA) Fly for 2h 15m Arrive at 8:51pm in San Jose (SJC)

  • US$609
    Alaska AirlinesAlaska Airlines
    6:00am - 2:29pm
    Mon Aug 4th 2025
    8h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 3h 27m

    Mon Aug 4th 2025 Alaska Airlines · AS 1114 Depart at 12:09pm from Seattle (SEA) Fly for 2h 20m Arrive at 2:29pm in San Jose (SJC)

  • US$609
    Hawaiian AirlinesHawaiian Airlines
    2:22pm - 8:51pm
    Mon Aug 4th 2025
    6h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6307 Depart at 2:22pm from Ontario (ONT) Fly for 2h 37m Arrive at 4:59pm in Seattle (SEA)

    Layover in Seattle for 1h 37m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6879 Depart at 6:36pm from Seattle (SEA) Fly for 2h 15m Arrive at 8:51pm in San Jose (SJC)

  • US$609
    Hawaiian AirlinesHawaiian Airlines
    6:00am - 2:29pm
    Mon Aug 4th 2025
    8h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6288 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 3h 27m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6910 Depart at 12:09pm from Seattle (SEA) Fly for 2h 20m Arrive at 2:29pm in San Jose (SJC)

  • US$615
    Alaska AirlinesAlaska Airlines
    6:00am - 5:17pm
    Mon Aug 4th 2025
    11h 17m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 6h 26m

    Mon Aug 4th 2025 Alaska Airlines · AS 1046 Depart at 3:08pm from Seattle (SEA) Fly for 2h 9m Arrive at 5:17pm in San Jose (SJC)

  • US$615
    Alaska AirlinesAlaska Airlines
    6:58pm - 9:10am
    Mon Aug 4th 2025
    14h 12m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1087 Depart at 6:58pm from Ontario (ONT) Fly for 2h 39m Arrive at 9:37pm in Seattle (SEA)

    Layover in Seattle for 9h 23m

    Tue Aug 5th 2025 Alaska Airlines · AS 1226 Depart at 7:00am from Seattle (SEA) Fly for 2h 10m Arrive at 9:10am in San Jose (SJC)

  • US$615
    Hawaiian AirlinesHawaiian Airlines
    6:00am - 5:17pm
    Mon Aug 4th 2025
    11h 17m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6288 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 6h 26m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6908 Depart at 3:08pm from Seattle (SEA) Fly for 2h 9m Arrive at 5:17pm in San Jose (SJC)

  • US$615
    Hawaiian AirlinesHawaiian Airlines
    6:58pm - 9:10am
    Mon Aug 4th 2025
    14h 12m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6287 Depart at 6:58pm from Ontario (ONT) Fly for 2h 39m Arrive at 9:37pm in Seattle (SEA)

    Layover in Seattle for 9h 23m

    Tue Aug 5th 2025 Hawaiian Airlines · HA 6913 Depart at 7:00am from Seattle (SEA) Fly for 2h 10m Arrive at 9:10am in San Jose (SJC)

  • US$615
    Hawaiian AirlinesHawaiian Airlines
    4:00pm - 9:10am
    Mon Aug 4th 2025
    17h 10m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6290 Depart at 4:00pm from Ontario (ONT) Fly for 2h 40m Arrive at 6:40pm in Seattle (SEA)

    Layover in Seattle for 12h 20m

    Tue Aug 5th 2025 Hawaiian Airlines · HA 6913 Depart at 7:00am from Seattle (SEA) Fly for 2h 10m Arrive at 9:10am in San Jose (SJC)

  • US$615
    Hawaiian AirlinesHawaiian Airlines
    6:58pm - 2:29pm
    Mon Aug 4th 2025
    19h 31m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6287 Depart at 6:58pm from Ontario (ONT) Fly for 2h 39m Arrive at 9:37pm in Seattle (SEA)

    Layover in Seattle for 14h 32m

    Tue Aug 5th 2025 Hawaiian Airlines · HA 6910 Depart at 12:09pm from Seattle (SEA) Fly for 2h 20m Arrive at 2:29pm in San Jose (SJC)

  • US$620
    Alaska AirlinesHawaiian Airlines
    2:22pm - 8:51pm
    Mon Aug 4th 2025
    6h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1242 Depart at 2:22pm from Ontario (ONT) Fly for 2h 37m Arrive at 4:59pm in Seattle (SEA)

    Layover in Seattle for 1h 37m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6879 Depart at 6:36pm from Seattle (SEA) Fly for 2h 15m Arrive at 8:51pm in San Jose (SJC)

  • US$620
    Alaska AirlinesHawaiian Airlines
    6:00am - 2:29pm
    Mon Aug 4th 2025
    8h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 3h 27m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6910 Depart at 12:09pm from Seattle (SEA) Fly for 2h 20m Arrive at 2:29pm in San Jose (SJC)

  • US$622
    Hawaiian AirlinesAlaska Airlines
    2:22pm - 8:51pm
    Mon Aug 4th 2025
    6h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6307 Depart at 2:22pm from Ontario (ONT) Fly for 2h 37m Arrive at 4:59pm in Seattle (SEA)

    Layover in Seattle for 1h 37m

    Mon Aug 4th 2025 Alaska Airlines · AS 1310 Depart at 6:36pm from Seattle (SEA) Fly for 2h 15m Arrive at 8:51pm in San Jose (SJC)

  • US$622
    Hawaiian AirlinesAlaska Airlines
    6:00am - 2:29pm
    Mon Aug 4th 2025
    8h 29m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6288 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 3h 27m

    Mon Aug 4th 2025 Alaska Airlines · AS 1114 Depart at 12:09pm from Seattle (SEA) Fly for 2h 20m Arrive at 2:29pm in San Jose (SJC)

  • US$652
    Hawaiian AirlinesHawaiian Airlines
    6:00am - 12:10pm
    Mon Aug 4th 2025
    6h 10m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6288 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 1h 13m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6909 Depart at 9:55am from Seattle (SEA) Fly for 2h 15m Arrive at 12:10pm in San Jose (SJC)

  • US$652
    Hawaiian AirlinesHawaiian Airlines
    4:00pm - 10:49pm
    Mon Aug 4th 2025
    6h 49m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6290 Depart at 4:00pm from Ontario (ONT) Fly for 2h 40m Arrive at 6:40pm in Seattle (SEA)

    Layover in Seattle for 1h 57m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6911 Depart at 8:37pm from Seattle (SEA) Fly for 2h 12m Arrive at 10:49pm in San Jose (SJC)

  • US$652
    Hawaiian AirlinesHawaiian Airlines
    2:22pm - 10:49pm
    Mon Aug 4th 2025
    8h 27m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6307 Depart at 2:22pm from Ontario (ONT) Fly for 2h 37m Arrive at 4:59pm in Seattle (SEA)

    Layover in Seattle for 3h 38m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6911 Depart at 8:37pm from Seattle (SEA) Fly for 2h 12m Arrive at 10:49pm in San Jose (SJC)

  • US$653
    Alaska AirlinesAlaska Airlines
    6:00am - 12:10pm
    Mon Aug 4th 2025
    6h 10m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 1h 13m

    Mon Aug 4th 2025 Alaska Airlines · AS 1080 Depart at 9:55am from Seattle (SEA) Fly for 2h 15m Arrive at 12:10pm in San Jose (SJC)

  • US$653
    Alaska AirlinesAlaska Airlines
    4:00pm - 10:49pm
    Mon Aug 4th 2025
    6h 49m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1119 Depart at 4:00pm from Ontario (ONT) Fly for 2h 40m Arrive at 6:40pm in Seattle (SEA)

    Layover in Seattle for 1h 57m

    Mon Aug 4th 2025 Alaska Airlines · AS 1192 Depart at 8:37pm from Seattle (SEA) Fly for 2h 12m Arrive at 10:49pm in San Jose (SJC)

  • US$653
    Alaska AirlinesAlaska Airlines
    2:22pm - 10:49pm
    Mon Aug 4th 2025
    8h 27m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1242 Depart at 2:22pm from Ontario (ONT) Fly for 2h 37m Arrive at 4:59pm in Seattle (SEA)

    Layover in Seattle for 3h 38m

    Mon Aug 4th 2025 Alaska Airlines · AS 1192 Depart at 8:37pm from Seattle (SEA) Fly for 2h 12m Arrive at 10:49pm in San Jose (SJC)

  • US$664
    Alaska AirlinesHawaiian Airlines
    4:00pm - 10:49pm
    Mon Aug 4th 2025
    6h 49m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 1119 Depart at 4:00pm from Ontario (ONT) Fly for 2h 40m Arrive at 6:40pm in Seattle (SEA)

    Layover in Seattle for 1h 57m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6911 Depart at 8:37pm from Seattle (SEA) Fly for 2h 12m Arrive at 10:49pm in San Jose (SJC)

  • US$666
    Hawaiian AirlinesAlaska Airlines
    4:00pm - 10:49pm
    Mon Aug 4th 2025
    6h 49m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6290 Depart at 4:00pm from Ontario (ONT) Fly for 2h 40m Arrive at 6:40pm in Seattle (SEA)

    Layover in Seattle for 1h 57m

    Mon Aug 4th 2025 Alaska Airlines · AS 1192 Depart at 8:37pm from Seattle (SEA) Fly for 2h 12m Arrive at 10:49pm in San Jose (SJC)

  • US$681
    Alaska AirlinesAlaska AirlinesAlaska Airlines
    6:00am - 7:20pm
    Mon Aug 4th 2025
    13h 20m
    Ontario (ONT) → San Jose (SJC)
    2 Stops

    Mon Aug 4th 2025 Alaska Airlines · AS 1091 Depart at 6:00am from Ontario (ONT) Fly for 2h 42m Arrive at 8:42am in Seattle (SEA)

    Layover in Seattle for 1h 13m

    Mon Aug 4th 2025 Alaska Airlines · AS 2346 Depart at 9:55am from Seattle (SEA) Fly for 0h 52m Arrive at 10:47am in Portland (PDX)

    Layover in Portland for 6h 43m

    Mon Aug 4th 2025 Alaska Airlines · AS 2023 Depart at 5:30pm from Portland (PDX) Fly for 1h 50m Arrive at 7:20pm in San Jose (SJC)

  • US$718
    Hawaiian AirlinesHawaiian Airlines
    6:10pm - 11:00pm
    Mon Aug 4th 2025
    4h 50m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6303 Depart at 6:10pm from Ontario (ONT) Fly for 2h 17m Arrive at 8:27pm in Portland (PDX)

    Layover in Portland for 0h 43m

    Mon Aug 4th 2025 Hawaiian Airlines · HA 6411 Depart at 9:10pm from Portland (PDX) Fly for 1h 50m Arrive at 11:00pm in San Jose (SJC)

  • US$729
    Alaska AirlinesAlaska Airlines
    6:10pm - 11:00pm
    Mon Aug 4th 2025
    4h 50m
    Ontario (ONT) → San Jose (SJC)
    1 Stop

    Mon Aug 4th 2025 Alaska Airlines · AS 2202 Depart at 6:10pm from Ontario (ONT) Fly for 2h 17m Arrive at 8:27pm in Portland (PDX)

    Layover in Portland for 0h 43m

    Mon Aug 4th 2025 Alaska Airlines · AS 2272 Depart at 9:10pm from Portland (PDX) Fly for 1h 50m Arrive at 11:00pm in San Jose (SJC)

@sarahbb1
Sarah Belizaire
@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

@eyupitsjohn
John Ford
@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@oamingsonaa
Roaming Sonaa
@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality.

@andy_travels
Andy Travels
@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

@travelwitbender
Travel With Bender
@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

@travel.with.wes
Wesley Mergard
@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Explore Flight Options

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Why I built FlightList & solved my own problem
Why I Built FlightList & Solved My Own Problem

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder Hans Desjarlais Profile Picture