$45+ Cheap flights from Arizona to Ontario (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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ONT
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Arizona 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Arizona to Ontario
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Cheapest flights from Arizona to OntarioExplore the most affordable flight options available from Arizona to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Arizona to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 am -
1 stop8h 51m
Wed 11/252:01 pm -
1 stop3h 48m
Deal found 10/22![Frontier logo]()
$90
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:59 pm -
1 stop12h 31m
Wed 11/2510:55 am -
1 stop12h 38m
Deal found 10/23![Frontier logo]()
$91
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:11 pm -
1 stop5h 25m
Wed 11/2510:55 am -
1 stop6h 54m
Deal found 10/22![Frontier logo]()
$92
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
1 stop3h 46m
Tue 11/1710:35 am -
1 stop6h 51m
Deal found 10/21![Frontier logo]()
$95
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
1 stop3h 46m
Sat 11/212:01 pm -
1 stop3h 48m
Deal found 10/22![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/228:59 pm -
1 stop11h 21m
Wed 11/2510:55 am -
1 stop6h 54m
Deal found 10/22![Frontier logo]()
$101
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 am -
1 stop3h 46m
Sat 11/1410:00 am -
1 stop7h 27m
Deal found 10/22![Frontier logo]()
$102
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
1 stop3h 46m
Sun 11/152:23 pm -
1 stop7h 46m
Deal found 10/22![Frontier logo]()
$105
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:59 pm -
1 stop11h 21m
Fri 11/2710:55 am -
1 stop12h 38m
Deal found 10/23![Frontier logo]()
$106
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:55 am -
1 stop12h 28m
Sat 12/128:44 am -
1 stop9h 01m
Deal found 10/23![Frontier logo]()
$107
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 am -
1 stop3h 46m
Sun 11/152:23 pm -
1 stop7h 46m
Deal found 10/22![Frontier logo]()
$110
This Southwest deal was found by Cheapflights users on 10/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:40 pm -
1 stop4h 00m
Mon 11/163:20 pm -
1 stop5h 35m
Deal found 10/23![Southwest logo]()
$251
Best flights from Arizona to OntarioDiscover carefully curated flight deals from Arizona to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Arizona to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Southwest deal was found by Cheapflights users on 10/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:45 am -
Nonstop1h 15m
Thu 11/196:25 pm -
Nonstop1h 25m
Deal found 10/19![Southwest logo]()
$143
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/2512:25 pm -
Nonstop1h 20m
Thu 11/269:20 am -
Nonstop1h 20m
Deal found 10/19![American Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:40 pm -
Nonstop1h 20m
Sun 11/158:35 am -
Nonstop1h 15m
Deal found 10/21![Southwest logo]()
$143
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:50 pm -
Nonstop1h 20m
Sun 12/64:00 pm -
Nonstop1h 20m
Deal found 10/21![Southwest logo]()
$143
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/82:41 pm -
1 stop7h 30m
Wed 12/911:20 am -
1 stop7h 18m
Deal found 10/20![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:30 pm -
Nonstop1h 20m
Thu 11/126:50 pm -
1 stop3h 10m
Deal found 10/20![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:45 am -
1 stop5h 20m
Sun 11/155:00 am -
Nonstop1h 15m
Deal found 10/22![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:40 am -
1 stop3h 05m
Wed 11/256:45 am -
Nonstop1h 20m
Deal found 10/21![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 10/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 am -
1 stop3h 20m
Thu 11/2612:05 pm -
Nonstop1h 15m
Deal found 10/19![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:40 pm -
Nonstop1h 20m
Sun 11/2212:10 pm -
Nonstop1h 20m
Deal found 10/21![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/31:40 pm -
1 stop7h 58m
Sat 12/55:00 am -
1 stop7h 35m
Deal found 10/21![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/112:00 pm -
1 stop5h 01m
Sat 11/149:25 am -
1 stop5h 02m
Deal found 10/22![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/124:18 pm -
1 stop5h 53m
Sun 12/135:00 am -
1 stop6h 00m
Deal found 10/22![United Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/911:12 am -
1 stop6h 08m
Sun 12/136:34 am -
1 stop3h 08m
Deal found 10/21![American Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:40 pm -
1 stop4h 00m
Mon 11/306:30 pm -
1 stop5h 50m
Deal found 10/20![Southwest logo]()
$281
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/144:23 pm -
1 stop4h 52m
Mon 11/161:35 pm -
1 stop7h 24m
Deal found 10/21![United Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:10 pm -
1 stop3h 42m
Fri 11/271:30 pm -
1 stop4h 10m
Deal found 10/23![American Airlines logo]()
$565
This Southwest deal was found by Cheapflights users on 10/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:25 pm -
2 stops5h 15m
Thu 12/101:30 pm -
2 stops5h 55m
Deal found 10/23![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/257:15 pm -
1 stop3h 37m
Sun 11/296:20 am -
1 stop4h 49m
Deal found 10/22![American Airlines logo]()
$644
This Southwest deal was found by Cheapflights users on 10/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:30 pm -
1 stop3h 25m
Fri 11/275:00 am -
1 stop2h 45m
Deal found 10/24![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 10/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:40 am -
1 stop5h 05m
Sun 2/143:00 pm -
2 stops5h 45m
Deal found 10/24![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:40 am -
1 stop3h 25m
Sun 12/271:45 pm -
2 stops7h 20m
Deal found 10/22![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:15 pm -
1 stop3h 30m
Mon 12/285:00 pm -
2 stops7h 20m
Deal found 10/22![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 pm -
1 stop2h 45m
Mon 11/94:00 pm -
1 stop5h 55m
Deal found 10/21![Southwest logo]()
$401
Last-minute flights from Arizona to OntarioDiscover last-minute flight deals from Arizona to Ontario. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Arizona to Ontario. Data last updated October 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 11/117:21 pm -
1 stop22h 00m
Wed 11/1810:35 am -
1 stop6h 51m
Deal found 10/21![Frontier logo]()
$107
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
1 stop3h 46m
Tue 11/1710:35 am -
1 stop6h 51m
Deal found 10/21![Frontier logo]()
$95
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
1 stop3h 46m
Sun 11/152:23 pm -
1 stop7h 46m
Deal found 10/22![Frontier logo]()
$105
This Southwest deal was found by Cheapflights users on 10/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:40 pm -
1 stop4h 00m
Mon 11/163:20 pm -
1 stop5h 35m
Deal found 10/23![Southwest logo]()
$251
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 am -
1 stop3h 46m
Sat 11/1410:00 am -
1 stop7h 27m
Deal found 10/22![Frontier logo]()
$102
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 am -
1 stop3h 46m
Sun 11/152:23 pm -
1 stop7h 46m
Deal found 10/22![Frontier logo]()
$110
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 am -
1 stop8h 51m
Wed 11/252:01 pm -
1 stop3h 48m
Deal found 10/22![Frontier logo]()
$90
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
1 stop3h 46m
Sat 11/212:01 pm -
1 stop3h 48m
Deal found 10/22![Frontier logo]()
$96
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:59 pm -
1 stop11h 21m
Fri 11/2710:55 am -
1 stop12h 38m
Deal found 10/23![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/228:59 pm -
1 stop11h 21m
Wed 11/2510:55 am -
1 stop6h 54m
Deal found 10/22![Frontier logo]()
$101
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:59 pm -
1 stop12h 31m
Wed 11/2510:55 am -
1 stop12h 38m
Deal found 10/23![Frontier logo]()
$91
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:11 pm -
1 stop5h 25m
Wed 11/2510:55 am -
1 stop6h 54m
Deal found 10/22![Frontier logo]()
$92
One-way flights from Arizona to OntarioSearch for one-way flight options from Arizona to Ontario. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Arizona to Ontario. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:11 pm -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$45
This Trip.com deal was found by Cheapflights users on 10/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:30 pm -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$46
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 am -
1 stop8h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/238:59 pm -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$49
This Mytrip deal was found by Cheapflights users on 10/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
1 stop3h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$50
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:30 am -
1 stop8h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$51
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:59 pm -
1 stop11h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$55
This Trip.com deal was found by Cheapflights users on 10/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:21 pm -
1 stop16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$56
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:10 pm -
1 stop4h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$58
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:15 am -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:10 am -
1 stop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$126
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$131
Find flight deals from Arizona to Ontario
Keep the following information in mind while searching for Arizona to Ontario flight deals. Data was last updated October 24, 2026.
Round-trip from | $90 (Mytrip) |
|---|---|
One-way from | $45 (Mytrip) |
Popular in | September |
Cheapest in | January |
Average price | $216 |
Good round-trip deal | $190 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Arizona 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 October 24, 2026.
Use the filters below to find and compare flights from Arizona to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Thu 11/19
11:45 am-12:10 pm
Nonstop1h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Thu 12/17
7:40 am-12:25 pm
1 stop5h 45m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
Quickest round-trip
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Sun 11/22
10:40 pm-11:00 pm
Nonstop1h 20m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$72
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Fri 12/11
10:30 am-10:50 am
Nonstop1h 20m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$72
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Thu 12/10
11:45 am-12:10 pm
Nonstop1h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$72
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Mon 11/9
10:40 pm-11:00 pm
Nonstop1h 20m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$72
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Fri 12/18
5:25 am-9:05 am
1 stop4h 40m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$82
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Thu 11/12
10:35 am-3:20 pm
1 stop5h 45m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$82
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Tue 12/8
11:00 am-2:30 pm
1 stop4h 30m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$82
PhoenixOntario
PHX Phoenix Sky Harbor Intl - ONT Ontario
PHXONT
Phoenix Sky Harbor Intl
Wed 11/25
6:30 am-8:50 am
1 stop3h 20m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$82
Showing 1-10 of 49 resultsSorted by cheapest first
Best time to book a flight from Arizona to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Arizona with our price prediction graph.
PHX-ONT
TUS-ONT
YUM-ONT
FLG-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 Arizona to Ontario
USAZ-ONT
PHX-ONT
TUS-ONT
YUM-ONT
FLG-ONT
What is the cheapest month to book a flight from Arizona to Ontario?
Currently, February is the cheapest month in which you can book a flight from Arizona to Ontario (average of $236). Flying from Arizona to Ontario in July is currently the most expensive (average of $354). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from AZ to ONT?
Find hourly flight availability from Arizona to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 24, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Arizona to Ontario by exploring options for tickets in the morning.
Weekly flight availability from Arizona to Ontario
Explore weekly flight availability from Arizona to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 24, 2026.
The most flights from USAZ to ONT are scheduled on a Friday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Arizona to Ontario?
Airfare is below average for this route at the moment.
Arizona to Ontario flights typically cost between $164 and $427 in November.The cheapest round-trip price found within the last 5 days was $90 on Frontier (Nov 14-Nov 25).
How far ahead should I book a flight from Arizona to Ontario?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Arizona to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Arizona to Ontario?
Use this chart to determine the cheapest time to fly round-trip from Arizona to Ontario. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Arizona to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Arizona to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Ontario flight routes
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Alternative routes for Arizona to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Arizona to Ontario by cabin class
Find flights from Arizona to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Arizona and Ontario flights
Browse other Arizona and Ontario flight options. Last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Arizona to Ontario flights
Consider these flights traveling from Arizona to Ontario.
Top 3 airlines flying from Arizona to Ontario
Discover the top 3 airlines that operate flights from Arizona 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 October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$194 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$312 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$134 | Average$341 | FlexibilityNo cancel fee | On-time71% |