$73+ Cheap flights from Ontario (ONT) to Utah
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SLC
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Utah 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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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 Ontario to Utah
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Cheapest flights from Ontario to UtahExplore the most affordable flight options available from Ontario to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
Explore the most affordable flight options available from Ontario to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/73:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Tue 7/141:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/9![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Tue 6/303:34 pm
ONT
- SLC
1 stop17h 01m
Frontier
Sat 7/41:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/8![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 7/73:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Tue 7/211:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/11![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 8/48:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Tue 8/185:06 pm
SLC
- ONT
1 stop20h 36m
Frontier
Deal found 6/11![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 8/48:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Wed 8/191:50 pm
SLC
- ONT
1 stop6h 58m
Frontier
Deal found 6/11![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Fri 8/143:41 pm
SLC
- ONT
1 stop19h 23m
Frontier
Deal found 6/7![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 6/298:36 pm
ONT
- SLC
1 stop22h 49m
Frontier
Sat 7/41:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/8![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/156:00 am
ONT
- SLC
1 stop24h 31m
Frontier
Wed 7/228:16 am
SLC
- ONT
1 stop16h 34m
Frontier
Deal found 6/11![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 8/48:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Sat 8/223:41 pm
SLC
- ONT
1 stop9h 08m
Frontier
Deal found 6/11![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/193:34 pm
ONT
- SLC
1 stop17h 01m
Frontier
Tue 8/255:06 pm
SLC
- ONT
1 stop20h 36m
Frontier
Deal found 6/11![Frontier logo]()
$202
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 7/69:40 am
ONT
- SGU
1 stop4h 03m
Delta
Sun 7/125:50 am
SGU
- ONT
1 stop3h 57m
Delta
Deal found 6/8![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/285:00 am
ONT
- SGU
1 stop7h 15m
United Airlines
Sun 8/301:50 pm
SGU
- ONT
1 stop8h 03m
United Airlines
Deal found 6/11![United Airlines logo]()
$353
Best flights from Ontario to UtahDiscover carefully curated flight deals from Ontario to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
Discover carefully curated flight deals from Ontario to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 7/87:20 pm
ONT
- SLC
1 stop3h 50m
Southwest
Wed 7/1511:35 am
SLC
- ONT
1 stop3h 30m
Southwest
Deal found 6/10![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 6/9. 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 7/69:40 am
ONT
- SGU
1 stop4h 03m
Delta
Sun 7/125:50 am
SGU
- ONT
1 stop3h 57m
Delta
Deal found 6/9![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/75:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Mon 7/131:48 pm
SGU
- ONT
1 stop7h 54m
United Airlines
Deal found 6/9![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 6/11. 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 8/36:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Thu 8/208:01 am
SLC
- ONT
Nonstop1h 51m
Delta
Deal found 6/11![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 7/116:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Sun 7/2610:59 pm
SLC
- ONT
Nonstop1h 49m
Delta
Deal found 6/7![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/105:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Tue 8/41:48 pm
SGU
- ONT
1 stop7h 54m
United Airlines
Deal found 6/9![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 6/11. 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 8/146:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Sun 8/168:01 am
SLC
- ONT
Nonstop1h 51m
Delta
Deal found 6/11![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 6/9. 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 7/175:15 pm
ONT
- SLC
1 stop5h 55m
Southwest
Sun 7/191:10 pm
SLC
- ONT
2 stops6h 10m
Southwest
Deal found 6/9![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 6/10. 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 8/111:06 pm
ONT
- SLC
Nonstop1h 47m
Delta
Tue 8/188:01 am
SLC
- ONT
Nonstop1h 51m
Delta
Deal found 6/10![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 6/11. 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 6/258:45 pm
ONT
- SLC
1 stop3h 40m
Southwest
Sun 6/285:55 am
SLC
- ONT
2 stops6h 20m
Southwest
Deal found 6/11![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/145:00 am
ONT
- SGU
1 stop7h 04m
United Airlines
Wed 11/185:10 am
SGU
- ONT
2 stops18h 56m
United Airlines
Deal found 6/11![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/11. 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 7/76:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Tue 7/1410:59 pm
SLC
- ONT
Nonstop1h 49m
Delta
Deal found 6/11![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/11. 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 8/51:06 pm
ONT
- SLC
Nonstop1h 47m
Delta
Thu 8/2011:45 am
SLC
- ONT
1 stop12h 00m
Delta
Deal found 6/11![Delta logo]()
$416
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 7/25:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Sun 7/51:48 pm
SGU
- ONT
1 stop7h 54m
United Airlines
Deal found 6/7![United Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 6/10. 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 7/81:00 pm
ONT
- CDC
1 stop4h 17m
Delta
Wed 7/159:27 am
CDC
- ONT
1 stop3h 43m
Delta
Deal found 6/10![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 6/305:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Sat 7/45:10 am
SGU
- ONT
1 stop8h 37m
United Airlines
Deal found 6/8![United Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 7/15:21 pm
ONT
- SLC
Nonstop1h 56m
Delta
Fri 7/310:59 pm
SLC
- ONT
Nonstop1h 50m
Delta
Deal found 6/8![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/295:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Sat 7/45:10 am
SGU
- ONT
2 stops14h 23m
United Airlines
Deal found 6/10![United Airlines logo]()
$588
This Delta deal was found by Cheapflights users on 6/8. 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 7/21:00 pm
ONT
- SLC
Nonstop1h 45m
Delta
Sun 7/510:59 pm
SLC
- ONT
Nonstop1h 50m
Delta
Deal found 6/8![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/65:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Sun 7/125:41 pm
SGU
- ONT
2 stops29h 14m
United Airlines
Deal found 6/8![United Airlines logo]()
$607
This Delta deal was found by Cheapflights users on 6/11. 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 7/111:00 pm
ONT
- CDC
1 stop4h 22m
Delta
Fri 7/177:00 pm
CDC
- ONT
1 stop5h 48m
Delta
Deal found 6/11![Delta logo]()
$909
Last-minute flights from Ontario to UtahDiscover last-minute flight deals from Ontario to Utah. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Utah. Data last updated June 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 6/298:36 pm
ONT
- SLC
1 stop22h 49m
Frontier
Sat 7/41:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/8![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Tue 6/303:34 pm
ONT
- SLC
1 stop17h 01m
Frontier
Sat 7/41:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/8![Frontier logo]()
$155
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/306:10 am
ONT
- SGU
1 stop3h 53m
American Airlines
Tue 7/147:25 am
SGU
- ONT
1 stop5h 37m
American Airlines
Deal found 6/11![American Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 7/69:40 am
ONT
- SGU
1 stop4h 03m
Delta
Sun 7/125:50 am
SGU
- ONT
1 stop3h 57m
Delta
Deal found 6/8![Delta logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/73:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Tue 7/141:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/9![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 7/73:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Tue 7/211:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/11![Frontier logo]()
$162
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/75:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Mon 7/131:48 pm
SGU
- ONT
1 stop7h 54m
United Airlines
Deal found 6/9![United Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/156:00 am
ONT
- SLC
1 stop24h 31m
Frontier
Wed 7/228:16 am
SLC
- ONT
1 stop16h 34m
Frontier
Deal found 6/11![Frontier logo]()
$195
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/156:11 am
ONT
- SGU
1 stop4h 10m
American Airlines
Wed 7/227:25 am
SGU
- ONT
1 stop5h 37m
American Airlines
Deal found 6/9![American Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/213:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Fri 7/241:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/9![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Fri 7/315:02 pm
SLC
- ONT
1 stop19h 05m
Frontier
Deal found 6/7![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 am
ONT
- SLC
1 stop5h 27m
Frontier
Tue 8/46:05 am
SLC
- ONT
1 stop4h 59m
Frontier
Deal found 6/12![Frontier logo]()
$220
One-way flights from Ontario to UtahSearch for one-way flight options from Ontario to Utah. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from Ontario to Utah. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Sat 9/53:34 pm
ONT
- SLC
1 stop17h 01m
Frontier
Deal found 6/9![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/141:38 pm
ONT
- SLC
1 stop18h 48m
Frontier
Deal found 6/9![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 6/303:34 pm
ONT
- SLC
1 stop17h 01m
Frontier
Deal found 6/11![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/226:00 am
ONT
- SLC
1 stop16h 44m
Frontier
Deal found 6/10![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Fri 7/33:34 pm
ONT
- SLC
1 stop17h 01m
Frontier
Deal found 6/12![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 8/48:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/10![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
ONT
- SLC
1 stop16h 54m
Frontier
Deal found 6/7![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 8/118:58 am
ONT
- SLC
1 stop10h 03m
Frontier
Deal found 6/11![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 9/81:27 pm
ONT
- SLC
1 stop23h 29m
Frontier
Deal found 6/9![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/156:00 am
ONT
- SLC
1 stop7h 55m
Frontier
Deal found 6/9![Frontier logo]()
$95
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/66:11 am
ONT
- SGU
1 stop4h 10m
American Airlines
Deal found 6/8![American Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 7/25:00 am
ONT
- SGU
1 stop7h 13m
United Airlines
Deal found 6/8![United Airlines logo]()
$258
Find flight deals from Ontario to Utah
Keep the following information in mind while searching for Ontario to Utah flight deals. Data was last updated June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $142 (Kiwi.com) |
One-way from | $73 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $244 |
Good round-trip deal | $339 or less |
Good one-way deal | $165 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Utah 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 June 12, 2026.
Use the filters below to find and compare flights from Ontario to Utah that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Wed 7/8
7:20 pm-12:10 am
1 stop3h 50m
Salt Lake City
Wed 7/15
11:35 am-2:05 pm
1 stop3h 30m
$285
OntarioSaint George
ONT - SGU
ONTSGU
Ontario
Mon 7/6
9:40 am-2:43 pm
1 stop4h 03m
Saint George
Sun 7/12
5:50 am-8:47 am
1 stop3h 57m
$288
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Mon 8/3
6:00 am-8:48 am
Nonstop1h 48m
Salt Lake City
Thu 8/20
8:01 am-8:52 am
Nonstop1h 51m
$339
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Sat 7/11
6:00 am-8:48 am
Nonstop1h 48m
Salt Lake City
Sun 7/26
10:59 pm-11:48 pm
Nonstop1h 49m
$339
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Fri 8/14
6:00 am-8:48 am
Nonstop1h 48m
Salt Lake City
Sun 8/16
8:01 am-8:52 am
Nonstop1h 51m
$339
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Tue 8/11
1:06 pm-3:53 pm
Nonstop1h 47m
Salt Lake City
Tue 8/18
8:01 am-8:52 am
Nonstop1h 51m
$339
OntarioSaint George
ONT - SGU
ONTSGU
Ontario
Tue 7/7
5:00 am-1:13 pm
1 stop7h 13m
Saint George
Mon 7/13
1:48 pm-8:42 pm
1 stop7h 54m
$358
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Tue 7/7
6:00 am-8:48 am
Nonstop1h 48m
Salt Lake City
Tue 7/14
10:59 pm-11:48 pm
Nonstop1h 49m
$389
OntarioSaint George
ONT - SGU
ONTSGU
Ontario
Fri 7/10
5:00 am-1:13 pm
1 stop7h 13m
Saint George
Tue 8/4
1:48 pm-8:42 pm
1 stop7h 54m
$409
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Fri 7/17
5:15 pm-12:10 am
1 stop5h 55m
Salt Lake City
Sun 7/19
1:10 pm-6:20 pm
2 stops6h 10m
$415
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from Ontario to Utah
Have a flexible travel schedule? Discover the best time to fly to Utah from Ontario with our price prediction graph.
ONT-SLC
ONT-SGU
ONT-CDC
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 Ontario to Utah
ONT-USUT
ONT-SLC
ONT-SGU
ONT-CDC
What is the cheapest month to book a flight from Ontario to Utah?
Currently, September is the cheapest month in which you can book a flight from Ontario to Utah (average of $58). Flying from Ontario to Utah in March is currently the most expensive (average of $148). 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 ONT to UT?
Find hourly flight availability from Ontario to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2026.
A simple way to save on the total cost of your ticket is to fly from Ontario to Utah in the evening. If you’re flexible enough to do this you can expect to save up to 74% on your trip compared to booking a flight at noon.
Weekly flight availability from Ontario to Utah
Explore weekly flight availability from Ontario to Utah. 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 June 12, 2026.
The most flights from ONT to USUT are scheduled on a Tuesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Ontario to Utah?
How far ahead should I book a flight from Ontario to Utah?
Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Utah. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Utah
Get insights into the airlines that provide service to Utah. 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 Utah. Reviews last updated June 12, 2026.
Read through reviews of airlines operating flights from Ontario to Utah, such as Southwest,Delta, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Utah. 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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Alternative routes for Ontario to Utah
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Utah by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Utah by cabin class
Find flights from Ontario to Utah, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Utah flights
Browse other Ontario and Utah flight options. Last updated on June 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Utah flights
Consider these flights traveling from Ontario to Utah.
Top 4 airlines flying from Ontario to Utah
Discover the top 4 airlines that operate flights from Ontario to Utah. 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 June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$224 | Average$337 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$238 | Average$306 | FlexibilityNo cancel fee | On-time71% |