$284+ Cheap flights from Grand Junction to Ontario (GJT - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — ONT
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Grand Junction to OntarioExplore the most affordable flight options available from Grand Junction to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Grand Junction to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:45 pm -
1 stop23h 31m
Wed 11/115:07 pm -
1 stop17h 53m
Deal found 9/4![Multiple Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 am -
1 stop4h 46m
Wed 10/74:29 pm -
1 stop3h 52m
Deal found 9/8![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:20 am -
1 stop4h 43m
Sun 9/276:15 am -
1 stop4h 12m
Deal found 9/6![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:41 am -
1 stop5h 33m
Sun 10/46:00 am -
1 stop3h 38m
Deal found 9/6![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:16 pm -
2 stops10h 44m
Sun 11/226:00 am -
1 stop3h 40m
Deal found 9/6![Delta logo]()
$344
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:48 pm -
1 stop4h 05m
Tue 11/106:30 am -
1 stop3h 58m
Deal found 9/4![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:16 pm -
1 stop4h 08m
Thu 11/266:00 am -
1 stop5h 39m
Deal found 9/6![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:16 pm -
2 stops10h 44m
Mon 11/236:00 am -
1 stop5h 39m
Deal found 9/6![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 am -
1 stop4h 46m
Sat 9/266:15 am -
1 stop4h 12m
Deal found 9/8![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:16 pm -
2 stops10h 44m
Tue 12/16:00 am -
1 stop5h 36m
Deal found 9/6![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:41 am -
1 stop5h 33m
Mon 9/285:15 pm -
1 stop3h 42m
Deal found 9/6![Delta logo]()
$376
Best flights from Grand Junction to OntarioDiscover carefully curated flight deals from Grand Junction to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Grand Junction to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:16 pm -
2 stops10h 44m
Thu 11/266:00 am -
1 stop5h 39m
Deal found 9/6![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:20 am -
1 stop4h 46m
Fri 9/186:15 am -
1 stop4h 12m
Deal found 9/4![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:34 pm -
2 stops10h 17m
Sun 11/15:00 am -
1 stop6h 45m
Deal found 9/6![United Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:45 pm -
2 stops31h 51m
Thu 10/18:00 am -
1 stop8h 13m
Deal found 9/8![Multiple Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:41 am -
1 stop5h 33m
Mon 10/56:00 am -
1 stop5h 28m
Deal found 9/8![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop6h 33m
Sun 11/225:00 am -
1 stop4h 47m
Deal found 9/6![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:40 pm -
2 stops7h 21m
Sat 9/195:00 am -
1 stop6h 38m
Deal found 9/5![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:40 pm -
2 stops7h 21m
Tue 9/155:00 am -
1 stop4h 44m
Deal found 9/5![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:40 pm -
2 stops7h 21m
Fri 9/185:00 am -
1 stop4h 44m
Deal found 9/4![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop6h 46m
Thu 10/15:00 am -
1 stop4h 44m
Deal found 9/4![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 am -
2 stops7h 59m
Tue 11/109:25 am -
2 stops10h 12m
Deal found 9/4![United Airlines logo]()
$580
Last-minute flights from Grand Junction to OntarioDiscover last-minute flight deals from Grand Junction to Ontario. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Junction to Ontario. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:20 am -
1 stop4h 46m
Tue 9/156:15 am -
1 stop4h 12m
Deal found 9/5![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:20 am -
1 stop4h 46m
Fri 9/186:15 am -
1 stop4h 12m
Deal found 9/4![American Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:41 am -
1 stop5h 33m
Tue 9/295:15 pm -
1 stop3h 42m
Deal found 9/6![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:41 am -
1 stop5h 33m
Sat 9/265:15 pm -
1 stop3h 42m
Deal found 9/6![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:53 pm -
1 stop5h 54m
Tue 9/295:15 pm -
1 stop3h 42m
Deal found 9/6![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:53 pm -
1 stop5h 54m
Sat 9/265:15 pm -
1 stop3h 42m
Deal found 9/6![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 am -
1 stop4h 46m
Sat 9/266:15 am -
1 stop4h 12m
Deal found 9/8![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop6h 50m
Sat 9/261:52 pm -
2 stops7h 14m
Deal found 9/8![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:20 am -
1 stop4h 43m
Sun 9/276:15 am -
1 stop4h 12m
Deal found 9/6![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:41 am -
1 stop5h 33m
Sun 10/46:00 am -
1 stop3h 38m
Deal found 9/6![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 am -
1 stop4h 46m
Wed 10/74:29 pm -
1 stop3h 52m
Deal found 9/8![American Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:15 pm -
2 stops10h 28m
Mon 11/26:00 am -
1 stop5h 30m
Deal found 9/7![Delta logo]()
$359
One-way flights from Grand Junction to OntarioSearch for one-way flight options from Grand Junction to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Grand Junction to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:41 am -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$284
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:41 pm -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:53 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:24 am -
2 stops9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:11 pm -
1 stop6h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:15 pm -
2 stops9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:24 am -
2 stops9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:53 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:41 am -
2 stops10h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$398
Find flight deals from Grand Junction to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Grand Junction (GJT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Kiwi.com) |
One-way from | $284 (Delta) |
Popular in | April |
Cheapest in | February |
Average price | $408 |
Cheapflights Fare Finder
Customize your flight search to find flights from Grand Junction to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Grand Junction to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Tue 9/29
7:41 am-12:14 pm
1 stop5h 33m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$284
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Sun 9/27
6:53 pm-11:47 pm
1 stop5h 54m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$304
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Sat 12/5
3:11 pm-8:20 pm
1 stop6h 09m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$323
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Fri 12/4
3:11 pm-8:20 pm
1 stop6h 09m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$323
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Tue 11/17
1:16 pm-11:00 pm
2 stops10h 44m
Ontario
Thu 11/26
6:00 am-12:39 pm
1 stop5h 39m
$359
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Wed 9/23
3:12 pm-8:53 pm
1 stop6h 41m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$369
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Mon 9/28
6:53 pm-11:47 pm
1 stop5h 54m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Fri 9/11
8:20 am-12:06 pm
1 stop4h 46m
Ontario
Fri 9/18
6:15 am-11:27 am
1 stop4h 12m
$387
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Sat 10/24
1:34 pm-10:51 pm
2 stops10h 17m
Ontario
Sun 11/1
5:00 am-12:45 pm
1 stop6h 45m
$424
Grand JunctionOntario
GJT Grand Junction Regnl - ONT Ontario
GJTONT
Grand Junction Regnl
Thu 9/24
12:45 pm-7:36 pm
2 stops31h 51m
Ontario
Thu 10/1
8:00 am-5:13 pm
1 stop8h 13m
$447
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Grand Junction to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Grand Junction to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Grand Junction-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Grand Junction-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Grand Junction-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Grand Junction-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Grand Junction-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Grand Junction to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Grand Junction with our price prediction graph.
GJT-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 9, 2026.
Read reviews from past customers who have flown American Airlines from Grand Junction to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Overall
7.1
Entertainment
6.8
Boarding
7.5
Comfort
7.2
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Crew
7.9
Overall
7.1
Entertainment
6.8
Boarding
7.5
Comfort
7.2
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Related info for your journey
Find useful and relevant information for your journey from Grand Junction to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top airline flying from Grand Junction to Ontario
Discover the top airline that operate flights from Grand Junction to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$382 | FlexibilityNo cancel fee | On-time71% |