App
Customer Support
EUR
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Hays to Ontario Starting at €136

For as little as €136, 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
        €136€177
        23% OFF
        23% OFF
        €177€136

        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 €136 including taxes and charges.

      • HYS01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Sat, Feb 22|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 & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5137

    United Airlines

    06:35

    HYS

    1.4h

    07:01

    DEN

    SMTWTFS
    Search

  2. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  3. UA5137

    United Airlines

    06:35

    HYS

    1.4h

    07:01

    DEN

    SMTWTFS
    Search

  4. UA430

    United Airlines

    11:15

    DEN

    2.4h

    12:38

    ONT

    SMTWTFS

  5. UA5137

    United Airlines

    06:35

    HYS

    1.4h

    07:01

    DEN

    SMTWTFS
    Search

  6. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WT-S

  7. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  8. UA430

    United Airlines

    11:15

    DEN

    2.4h

    12:38

    ONT

    SMTWTFS

  9. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  10. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WT-S

  11. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  12. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  13. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  14. F92907

    Frontier Airlines

    09:30

    DEN

    2.5h

    11:00

    ONT

    S-T-T--

  15. UA5032

    United Airlines

    19:05

    HYS

    1.3h

    19:25

    DEN

    S-TWT-S
    Search

  16. F93825

    Frontier Airlines

    22:22

    DEN

    2.5h

    23:54

    ONT

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

When is the cheapest time to fly from Hays to Ontario?

These price trend charts carefully monitor and predict how flight prices from Hays to Ontario will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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 date and time of your booking. By analyzing data from all airlines, 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 €408.

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
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Hays to Ontario

Cheapest direct flight price€136
Flight distance10,809.39 km
Popular airlineUnited Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.