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Find cheap one-way flights from Hays to Ontario starting at US$143.

For as little as US$143, you can take your next adventure to Ontario without breaking the bank. Choose between one-way and return tickets from Hays below.

  • One way
  • Round-trip
      • HYS19:13
        6h 53m
        1 stop
        ONT00:06
        Wed, Mar 5|Hays - Ontario|United Airlines
        US$143US$194
        26% OFF
        26% OFF
        US$194US$143

        Choose United Airlines flights from Hays to Ontario.The one-way connecting flight with United Airlines departs from Hays Regional Airport on Wed, Mar 5, arriving at Ontario International Airport.One-way Prices start from US$143 including taxes and charges.

      • HYS01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Fri, Feb 28|Hays - Ontario|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Hays to Los Angeles Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5137

    United Airlines

    06:35

    HYS

    1.3h

    06:55

    DEN

    SMTWTFS
    Search

  2. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  3. UA5137

    United Airlines

    06:35

    HYS

    1.3h

    06:55

    DEN

    SMTWTFS
    Search

  4. UA430

    United Airlines

    11:15

    DEN

    2.3h

    12:31

    ONT

    SMTWTFS

  5. UA5137

    United Airlines

    06:35

    HYS

    1.3h

    06:55

    DEN

    SMTWTFS
    Search

  6. F91261

    Frontier Airlines

    09:05

    DEN

    2.4h

    10:28

    ONT

    S--WT-S

  7. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  8. F91261

    Frontier Airlines

    09:05

    DEN

    2.4h

    10:28

    ONT

    S--WT-S

  9. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  10. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  11. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  12. F92907

    Frontier Airlines

    09:30

    DEN

    2.5h

    11:00

    ONT

    S------

  13. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  14. F93825

    Frontier Airlines

    22:22

    DEN

    2.5h

    23:54

    ONT

    ------S
Find more flights and airlines

When is the cheapest time to book flights from Hays to Ontario?

Explore the best time to buy affordable tickets to Ontario with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Hays (HYS) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Hays to Ontario based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Hays (HYS) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around $429.

How to find a cheap flight from Hays to Ontario

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Being flexible with your dates to get the cheapest Hays to Ontario ticket.
Tap "Date" on flight search bar to scan through the calender for Hays to Ontario airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Mar 5 at US$143 for one-way flights.
2
Compare cheap Hays to Ontario flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Hays to Ontario. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Hays to Ontario route, you can easily track the price of your airline tickets from Hays to Ontario without manually checking every day.
4
Don't miss cheap Hays to Ontario flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Hays to Ontario to get exclusive deals for you.

Hays to Ontario Flight Information

Cheapest nonstop flight price$143
Flight distance10,809.39 km
Popular airlineUnited Airlines

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