$162+ Cheap flights from Grand Junction to Ontario (GJT - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — ONT
May 29 — Jun 51
Round-trip
1 adult, Economy
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Find cheap flights from Grand Junction to Ontario with Cheapflights
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 April 29, 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 April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sun 5/311:23 pm
GJT
- ONT
1 stop26h 46m
Multiple Airlines
Sun 6/73:30 pm
ONT
- GJT
2 stops27h 25m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 4/24. 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 7/36:56 pm
GJT
- ONT
1 stop5h 49m
Delta
Sun 7/51:00 pm
ONT
- GJT
1 stop4h 10m
Delta
Deal found 4/24![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/24. 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 6/296:56 pm
GJT
- ONT
1 stop5h 49m
Delta
Sun 7/51:00 pm
ONT
- GJT
1 stop4h 10m
Delta
Deal found 4/24![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/307:40 am
GJT
- ONT
1 stop5h 39m
Delta
Sun 6/71:00 pm
ONT
- GJT
1 stop4h 15m
Delta
Deal found 4/25![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/258:35 pm
GJT
- ONT
2 stops20h 09m
Multiple Airlines
Mon 6/13:30 pm
ONT
- GJT
1 stop19h 43m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 4/26. 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 5/86:51 pm
GJT
- ONT
1 stop5h 43m
Delta
Mon 5/114:57 pm
ONT
- GJT
1 stop4h 03m
Delta
Deal found 4/26![Delta logo]()
$325
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/812:42 pm
GJT
- ONT
2 stops10h 17m
American Airlines
Mon 5/114:52 pm
ONT
- GJT
1 stop4h 49m
American Airlines
Deal found 4/27![American Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 4/24. 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 6/307:41 am
GJT
- ONT
1 stop5h 29m
Delta
Sun 7/51:00 pm
ONT
- GJT
1 stop4h 10m
Delta
Deal found 4/24![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/306:55 pm
GJT
- ONT
1 stop4h 07m
American Airlines
Sun 6/71:11 pm
ONT
- GJT
1 stop4h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/97:00 am
GJT
- ONT
1 stop6h 38m
United Airlines
Sun 5/105:00 am
ONT
- GJT
1 stop4h 43m
United Airlines
Deal found 4/25![United Airlines logo]()
$351
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 April 29, 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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 5/97:40 am
GJT
- ONT
1 stop5h 39m
Delta
Mon 5/114:57 pm
ONT
- GJT
1 stop4h 03m
Delta
Deal found 4/26![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 4/25. 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 8/211:30 pm
GJT
- ONT
2 stops7h 34m
United Airlines
Mon 8/245:00 am
ONT
- GJT
1 stop6h 28m
United Airlines
Deal found 4/25![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/318:35 am
GJT
- ONT
1 stop4h 30m
American Airlines
Sun 6/77:13 pm
ONT
- GJT
2 stops14h 16m
American Airlines
Deal found 4/26![American Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 5/97:40 am
GJT
- ONT
1 stop5h 39m
Delta
Tue 5/124:57 pm
ONT
- GJT
1 stop4h 03m
Delta
Deal found 4/26![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 5/97:40 am
GJT
- ONT
1 stop5h 39m
Delta
Fri 5/154:57 pm
ONT
- GJT
1 stop4h 03m
Delta
Deal found 4/26![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sun 5/311:33 pm
GJT
- ONT
1 stop4h 55m
United Airlines
Sun 6/75:00 am
ONT
- GJT
1 stop6h 31m
United Airlines
Deal found 4/24![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/97:00 am
GJT
- ONT
2 stops11h 52m
United Airlines
Tue 5/125:00 am
ONT
- GJT
1 stop4h 43m
United Airlines
Deal found 4/26![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/87:00 am
GJT
- ONT
2 stops11h 52m
United Airlines
Mon 5/115:00 am
ONT
- GJT
1 stop6h 43m
United Airlines
Deal found 4/26![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/183:15 pm
GJT
- ONT
1 stop6h 27m
United Airlines
Sun 7/195:00 am
ONT
- GJT
1 stop6h 31m
United Airlines
Deal found 4/27![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/163:15 pm
GJT
- ONT
1 stop6h 27m
United Airlines
Mon 7/205:00 am
ONT
- GJT
1 stop6h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/303:15 pm
GJT
- ONT
1 stop6h 27m
United Airlines
Tue 6/25:00 am
ONT
- GJT
1 stop6h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$459
Last-minute flights from Grand Junction to OntarioDiscover last-minute flight deals from Grand Junction to Ontario. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Junction to Ontario. Data last updated April 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/26. 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 5/86:51 pm
GJT
- ONT
1 stop5h 43m
Delta
Mon 5/114:57 pm
ONT
- GJT
1 stop4h 03m
Delta
Deal found 4/26![Delta logo]()
$325
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/812:42 pm
GJT
- ONT
2 stops10h 17m
American Airlines
Mon 5/114:52 pm
ONT
- GJT
1 stop4h 49m
American Airlines
Deal found 4/27![American Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/97:00 am
GJT
- ONT
1 stop6h 38m
United Airlines
Sun 5/105:00 am
ONT
- GJT
1 stop4h 43m
United Airlines
Deal found 4/25![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 4/24. 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 5/257:40 am
GJT
- ONT
1 stop5h 39m
Delta
Mon 6/14:57 pm
ONT
- GJT
1 stop4h 03m
Delta
Deal found 4/24![Delta logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/258:35 pm
GJT
- ONT
2 stops20h 09m
Multiple Airlines
Mon 6/13:30 pm
ONT
- GJT
1 stop19h 43m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/266:55 pm
GJT
- ONT
1 stop4h 02m
American Airlines
Thu 5/286:10 am
ONT
- GJT
1 stop4h 25m
American Airlines
Deal found 4/28![American Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/307:40 am
GJT
- ONT
1 stop5h 39m
Delta
Sun 6/71:00 pm
ONT
- GJT
1 stop4h 15m
Delta
Deal found 4/25![Delta logo]()
$305
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/306:55 pm
GJT
- ONT
1 stop4h 07m
American Airlines
Sun 6/71:11 pm
ONT
- GJT
1 stop4h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sun 5/311:23 pm
GJT
- ONT
1 stop26h 46m
Multiple Airlines
Sun 6/73:30 pm
ONT
- GJT
2 stops27h 25m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$255
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 April 29, 2026.
Search for one-way flight options from Grand Junction to Ontario. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/1412:53 pm
GJT
- ONT
1 stop19h 56m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 4/27. 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 5/137:40 am
GJT
- ONT
1 stop5h 39m
Delta
Deal found 4/27![Delta logo]()
$206
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/137:00 am
GJT
- ONT
1 stop6h 47m
United Airlines
Deal found 4/26![United Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 4/27. 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 5/127:40 am
GJT
- ONT
1 stop5h 39m
Delta
Deal found 4/27![Delta logo]()
$246
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/121:33 pm
GJT
- ONT
1 stop4h 55m
United Airlines
Deal found 4/26![United Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/57:00 am
GJT
- ONT
1 stop6h 38m
United Airlines
Deal found 4/26![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 4/27. 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 5/107:40 am
GJT
- ONT
1 stop5h 39m
Delta
Deal found 4/27![Delta logo]()
$273
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/114:58 pm
GJT
- ONT
1 stop6h 42m
American Airlines
Deal found 4/27![American Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Mon 6/151:33 pm
GJT
- ONT
2 stops10h 04m
United Airlines
Deal found 4/26![United Airlines logo]()
$290
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Kiwi.com) |
One-way from | $162 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $342 |
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 2,558,603 searches. Data last updated April 29, 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 - ONT
GJTONT
Grand Junction Regnl
Sat 5/9
7:40 am-12:19 pm
1 stop5h 39m
Ontario
Mon 5/11
4:57 pm-10:00 pm
1 stop4h 03m
$325
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Sat 5/9
7:40 am-12:19 pm
1 stop5h 39m
Ontario
Tue 5/12
4:57 pm-10:00 pm
1 stop4h 03m
$325
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Sat 5/9
7:40 am-12:19 pm
1 stop5h 39m
Ontario
Fri 5/15
4:57 pm-10:00 pm
1 stop4h 03m
$325
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Fri 8/21
1:30 pm-8:04 pm
2 stops7h 34m
Ontario
Mon 8/24
5:00 am-12:28 pm
1 stop6h 28m
$356
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Sun 5/31
1:33 pm-5:28 pm
1 stop4h 55m
Ontario
Sun 6/7
5:00 am-12:31 pm
1 stop6h 31m
$379
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Sat 5/9
7:00 am-5:52 pm
2 stops11h 52m
Ontario
Tue 5/12
5:00 am-10:43 am
1 stop4h 43m
$410
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Sun 5/31
8:35 am-12:05 pm
1 stop4h 30m
Ontario
Sun 6/7
7:13 pm-10:29 am
2 stops14h 16m
$422
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Fri 5/8
7:00 am-5:52 pm
2 stops11h 52m
Ontario
Mon 5/11
5:00 am-12:43 pm
1 stop6h 43m
$444
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Sat 7/18
3:15 pm-8:42 pm
1 stop6h 27m
Ontario
Sun 7/19
5:00 am-12:31 pm
1 stop6h 31m
$448
Grand JunctionOntario
GJT - ONT
GJTONT
Grand Junction Regnl
Thu 7/16
3:15 pm-8:42 pm
1 stop6h 27m
Ontario
Mon 7/20
5:00 am-12:31 pm
1 stop6h 31m
$459
Showing 1-10 of 21 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 April.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Grand Junction to Ontario
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 April 29, 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.
Comfort
7.2
Food
6.4
Overall
7.1
Boarding
7.5
Crew
7.9
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Comfort
7.2
Food
6.4
Overall
7.1
Boarding
7.5
Crew
7.9
Entertainment
6.9
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 2,558,603 searches. Data last updated April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$344 | FlexibilityNo cancel fee | On-time71% |