App
Customer Support
NZD
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
California
>
Ontario
>
Flights from Grand Junction to Ontario
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

Flights from Grand Junction to Ontario Starting at NZD 375

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • GJT13:25
        4h 3m
        1 stop
        ONT16:28
        Wed, Feb 26|Grand Junction - Ontario|Delta Air Lines
        NZD 375NZD 604
        38% OFF
        38% OFF
        NZD 604NZD 375

        Choose Delta Air Lines flights from Grand Junction to Ontario. The one-way connecting flight with Delta Air Lines departs from Grand Junction Regional Airport on Wed, Feb 26, arriving at Ontario International Airport. One-way Prices start from NZD 375 including taxes and charges.

      • GJT07:00
        6h 42m
        1 stop
        ONT12:42
        Sat, Mar 1|Grand Junction - Ontario|United Airlines
        NZD 379NZD 604
        37% OFF
        37% OFF
        NZD 604NZD 379

        Choose United Airlines flights from Grand Junction to Ontario. The one-way connecting flight with United Airlines departs from Grand Junction Regional Airport on Sat, Mar 1, arriving at Ontario International Airport. One-way Prices start from NZD 379 including taxes and charges.

      • GJT05:00
        4h 59m
        1 stop
        ONT08:59
        Sun, Apr 6|Grand Junction - Ontario|American Airlines
        NZD 380NZD 604
        37% OFF
        37% OFF
        NZD 604NZD 380

        Choose American Airlines flights from Grand Junction to Ontario. The one-way connecting flight with American Airlines departs from Grand Junction Regional Airport on Sun, Apr 6, arriving at Ontario International Airport. One-way Prices start from NZD 380 including taxes and charges.

      • GJT15:19
        4h 14m
        1 stop
        ONT18:33
        Fri, Mar 7|Grand Junction - Ontario|American Airlines
        NZD 382
        NZD 382

        Choose American Airlines flights from Grand Junction to Ontario. The one-way connecting flight with American Airlines departs from Grand Junction Regional Airport on Fri, Mar 7, arriving at Ontario International Airport. One-way Prices start from NZD 382 including taxes and charges.

      • GJT07:00
        6h 42m
        1 stop
        ONT12:42
        Wed, Feb 26|Grand Junction - Ontario|United Airlines
        NZD 392
        NZD 392

        Choose United Airlines flights from Grand Junction to Ontario. The one-way connecting flight with United Airlines departs from Grand Junction Regional Airport on Wed, Feb 26, arriving at Ontario International Airport. One-way Prices start from NZD 392 including taxes and charges.

      • GJT16:39
        6h 20m
        1 stop
        ONT21:59
        Tue, May 6|Grand Junction - Ontario|American Airlines
        NZD 393
        NZD 393

        Choose American Airlines flights from Grand Junction to Ontario. The one-way connecting flight with American Airlines departs from Grand Junction Regional Airport on Tue, May 6, arriving at Ontario International Airport. One-way Prices start from NZD 393 including taxes and charges.

      • GJT07:05
        6h 33m
        1 stop
        ONT12:38
        Sat, Apr 5|Grand Junction - Ontario|United Airlines
        NZD 395
        NZD 395

        Choose United Airlines flights from Grand Junction to Ontario. The one-way connecting flight with United Airlines departs from Grand Junction Regional Airport on Sat, Apr 5, arriving at Ontario International Airport. One-way Prices start from NZD 395 including taxes and charges.

      • GJT11:28
        4h 49m
        1 stop
        ONT15:17
        Sun, Apr 20|Grand Junction - Ontario|United Airlines
        NZD 395
        NZD 395

        Choose United Airlines flights from Grand Junction to Ontario. The one-way connecting flight with United Airlines departs from Grand Junction Regional Airport on Sun, Apr 20, arriving at Ontario International Airport. One-way Prices start from NZD 395 including taxes and charges.

      • GJT07:00
        6h 44m
        1 stop
        ONT12:44
        Fri, Mar 7|Grand Junction - Ontario|United Airlines
        NZD 441
        NZD 441

        Choose United Airlines flights from Grand Junction to Ontario. The one-way connecting flight with United Airlines departs from Grand Junction Regional Airport on Fri, Mar 7, arriving at Ontario International Airport. One-way Prices start from NZD 441 including taxes and charges.

      • GJT11:29
        13h 30m
        1 stop
        ONT23:59
        Mon, Mar 3|Grand Junction - Ontario|United Airlines
        NZD 452
        NZD 452

        Choose United Airlines flights from Grand Junction to Ontario. The one-way connecting flight with United Airlines departs from Grand Junction Regional Airport on Mon, Mar 3, arriving at Ontario International Airport. One-way Prices start from NZD 452 including taxes and charges.

      • GJT01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Wed, Feb 26|Grand Junction - Ontario|Delta Air Lines
        Find More Flights
        Find More Flights

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

Grand Junction to Los Angeles flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA5005

    American Airlines

    05:00

    GJT

    1.7h

    05:44

    PHX

    SMTWTFS
    Search

  2. AA1199

    American Airlines

    08:44

    PHX

    1.4h

    09:11

    ONT

    SMTWTFS

  3. UA4764

    United Airlines

    05:30

    GJT

    1.3h

    06:50

    DEN

    SMTWTFS
    Search

  4. F91261

    Frontier Airlines

    07:58

    DEN

    2.5h

    09:31

    ONT

    S--WT-S

  5. AA4888

    American Airlines

    06:00

    GJT

    2.3h

    09:20

    DFW

    SMTWTFS
    Search

  6. AA2635

    American Airlines

    12:30

    DFW

    3.5h

    13:58

    ONT

    SMTWTFS

  7. UA1877

    United Airlines

    07:05

    GJT

    1.2h

    08:19

    DEN

    SMTWTFS
    Search

  8. UA430

    United Airlines

    11:15

    DEN

    2.4h

    12:38

    ONT

    SMTWTFS

  9. UA4709

    United Airlines

    11:28

    GJT

    1.3h

    12:45

    DEN

    SMTWTFS
    Search

  10. F92907

    Frontier Airlines

    09:30

    DEN

    2.5h

    11:00

    ONT

    S---T--

  11. DL4246

    Delta Air Lines

    13:05

    GJT

    1.1h

    14:09

    SLC

    S-TWT-S
    Search

  12. DL3933

    Delta Air Lines

    15:30

    SLC

    2.0h

    16:28

    ONT

    SMTWT-S

  13. AA6491

    American Airlines

    15:05

    GJT

    2.1h

    17:10

    PHX

    SMTWTFS
    Search

  14. AA1666

    American Airlines

    17:10

    PHX

    1.2h

    18:23

    ONT

    SMTWTFS

  15. UA4635

    United Airlines

    15:23

    GJT

    1.3h

    16:40

    DEN

    SMTWTFS
    Search

  16. UA351

    United Airlines

    19:25

    DEN

    2.5h

    20:52

    ONT

    SMTWTFS

  17. UA5755

    United Airlines

    18:05

    GJT

    1.4h

    19:27

    DEN

    SMTWTFS
    Search

  18. UA284

    United Airlines

    21:05

    DEN

    2.1h

    22:09

    LAS

    S-TWTFS

  19. F94757

    Frontier Airlines

    06:00

    LAS

    1.1h

    07:09

    ONT

    SMTWT--

  20. UA5755

    United Airlines

    18:05

    GJT

    1.4h

    19:27

    DEN

    SMTWTFS
    Search

  21. F91499

    Frontier Airlines

    22:37

    DEN

    2.5h

    00:09

    ONT

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Grand Junction to Ontario

We monitor flight fares to help you find the best deals effortlessly

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

FAQ

  • When are flight tickets from Grand Junction (GJT) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Grand Junction 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 Grand Junction (GJT) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around NZD 712.

How to find a cheap flight from Grand Junction to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Grand Junction to Ontario. Book your flights at the right time and save more.
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 Information from Grand Junction to Ontario

Cheapest nonstop flight priceNZD 374
Off-season for travelDecember
Peak season for travelNovember
Flight distance11,594.31 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.