$66+ Cheap flights from Utah to Ontario (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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Utah 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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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 Utah to Ontario
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Cheapest flights from Utah to OntarioExplore the most affordable flight options available from Utah to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Utah to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:40 am -
1 stop23h 50m
Tue 10/66:15 am -
1 stop8h 06m
Deal found 8/20![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:16 pm -
1 stop8h 35m
Wed 11/46:25 am -
1 stop7h 56m
Deal found 8/19![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:40 am -
1 stop23h 50m
Wed 9/1611:45 am -
1 stop11h 14m
Deal found 8/20![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/87:08 pm -
1 stop16h 22m
Tue 9/156:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/54:16 pm -
1 stop8h 31m
Wed 10/76:15 am -
1 stop8h 06m
Deal found 8/21![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/194:16 pm -
1 stop8h 31m
Tue 9/226:15 am -
1 stop8h 06m
Deal found 8/22![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/164:16 pm -
1 stop8h 31m
Thu 9/1711:45 am -
1 stop11h 14m
Deal found 8/18![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:45 pm -
1 stop6h 10m
Mon 11/92:35 pm -
1 stop18h 00m
Deal found 8/18![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 8/18. 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.
Sat 9/121:38 pm -
1 stop3h 56m
Tue 9/156:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 8/18. 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.
Thu 9/108:24 pm -
1 stop21h 35m
Mon 9/146:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Mon 10/264:16 pm -
1 stop19h 19m
Thu 10/296:25 am -
1 stop7h 56m
Deal found 8/22![Frontier logo]()
$172
This Booking.com deal was found by Cheapflights users on 8/18. 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.
Mon 9/148:24 pm -
1 stop21h 35m
Thu 9/172:30 pm -
1 stop3h 59m
Deal found 8/18![Frontier logo]()
$174
Best flights from Utah to OntarioDiscover carefully curated flight deals from Utah to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Utah to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This Southwest deal was found by Cheapflights users on 8/20. 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.
Tue 9/293:40 pm -
2 stops6h 20m
Tue 10/66:20 am -
2 stops6h 45m
Deal found 8/20![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:02 am -
Nonstop1h 53m
Mon 11/21:35 pm -
Nonstop1h 52m
Deal found 8/21![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sun 1/104:30 pm -
1 stop4h 50m
Sat 1/161:00 pm -
1 stop5h 04m
Deal found 8/22![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:35 pm -
Nonstop2h 00m
Tue 9/225:15 pm -
Nonstop1h 55m
Deal found 8/20![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:59 pm -
Nonstop1h 50m
Mon 11/166:00 am -
Nonstop1h 49m
Deal found 8/22![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/20. 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.
Tue 1/1911:15 am -
2 stops6h 45m
Sun 1/247:40 am -
1 stop5h 45m
Deal found 8/20![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:04 pm -
Nonstop1h 54m
Sun 1/36:00 am -
Nonstop1h 51m
Deal found 8/19![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/18. 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 9/88:20 am -
2 stops5h 20m
Tue 9/153:35 pm -
2 stops5h 40m
Deal found 8/18![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/193:20 pm -
Nonstop1h 50m
Wed 12/236:00 am -
Nonstop1h 53m
Deal found 8/22![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:35 pm -
Nonstop2h 00m
Mon 9/216:00 am -
Nonstop1h 49m
Deal found 8/22![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:10 pm -
Nonstop1h 54m
Tue 9/151:04 pm -
Nonstop1h 47m
Deal found 8/18![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:02 am -
Nonstop1h 53m
Thu 10/299:45 am -
Nonstop1h 54m
Deal found 8/22![Delta logo]()
$399
Last-minute flights from Utah to OntarioDiscover last-minute flight deals from Utah to Ontario. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Ontario. Data last updated August 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/87:08 pm -
1 stop16h 22m
Tue 9/156:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 8/18. 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.
Thu 9/108:24 pm -
1 stop21h 35m
Mon 9/146:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 8/18. 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.
Sat 9/121:38 pm -
1 stop3h 56m
Tue 9/156:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$168
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:38 pm -
1 stop3h 56m
Sat 10/176:15 am -
1 stop8h 06m
Deal found 8/19![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:40 am -
1 stop23h 50m
Wed 9/1611:45 am -
1 stop11h 14m
Deal found 8/20![Frontier logo]()
$135
This Booking.com deal was found by Cheapflights users on 8/18. 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.
Mon 9/148:24 pm -
1 stop21h 35m
Thu 9/172:30 pm -
1 stop3h 59m
Deal found 8/18![Frontier logo]()
$174
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:00 am -
1 stop16h 47m
Thu 9/1711:45 am -
1 stop26h 36m
Deal found 8/18![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/164:16 pm -
1 stop8h 31m
Thu 9/1711:45 am -
1 stop11h 14m
Deal found 8/18![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/194:16 pm -
1 stop8h 31m
Tue 9/226:15 am -
1 stop8h 06m
Deal found 8/22![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 8/18. 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.
Fri 9/259:28 am -
1 stop8h 31m
Tue 9/296:15 am -
1 stop8h 06m
Deal found 8/18![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:40 am -
1 stop23h 50m
Tue 10/66:15 am -
1 stop8h 06m
Deal found 8/20![Frontier logo]()
$128
One-way flights from Utah to OntarioSearch for one-way flight options from Utah to Ontario. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Utah to Ontario. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Trip.com deal was found by Cheapflights users on 8/21. 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.
Sat 10/34:16 pm -
1 stop8h 31m
Deal found 8/21![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:00 am -
1 stop16h 47m
Deal found 8/20![Frontier logo]()
$67
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:16 pm -
1 stop8h 31m
Deal found 8/22![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/1411:40 am -
1 stop13h 10m
Deal found 8/18![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Tue 10/204:16 pm -
1 stop8h 34m
Deal found 8/21![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 8/21. 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 9/234:16 pm -
1 stop8h 31m
Deal found 8/21![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:16 pm -
1 stop19h 14m
Deal found 8/19![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/24:16 pm -
1 stop19h 14m
Deal found 8/18![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:40 am -
1 stop13h 07m
Deal found 8/20![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/1611:40 am -
1 stop23h 49m
Deal found 8/18![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:16 pm -
1 stop8h 35m
Deal found 8/20![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/54:16 pm -
1 stop8h 31m
Deal found 8/21![Frontier logo]()
$78
Find flight deals from Utah to Ontario
Keep the following information in mind while searching for Utah to Ontario flight deals. Data was last updated August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $128 (Kiwi.com) |
One-way from | $66 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $212 |
Good round-trip deal | $309 or less |
Good one-way deal | $223 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Utah 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 August 23, 2026.
Use the filters below to find and compare flights from Utah to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Tue 9/29
3:40 pm-9:00 pm
2 stops6h 20m
Ontario
Tue 10/6
6:20 am-2:05 pm
2 stops6h 45m
$278
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sun 10/25
8:02 am-8:55 am
Nonstop1h 53m
Ontario
Mon 11/2
1:35 pm-4:27 pm
Nonstop1h 52m
$299
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sat 9/19
3:35 pm-4:35 pm
Nonstop2h 00m
Ontario
Tue 9/22
5:15 pm-8:10 pm
Nonstop1h 55m
$299
Quickest round-trip
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Thu 11/12
10:59 pm-11:49 pm
Nonstop1h 50m
Ontario
Mon 11/16
6:00 am-8:49 am
Nonstop1h 49m
$299
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Fri 12/18
11:04 pm-11:58 pm
Nonstop1h 54m
Ontario
Sun 1/3
6:00 am-8:51 am
Nonstop1h 51m
$299
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sat 12/19
3:20 pm-4:10 pm
Nonstop1h 50m
Ontario
Wed 12/23
6:00 am-8:53 am
Nonstop1h 53m
$319
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Tue 1/19
11:15 am-5:00 pm
2 stops6h 45m
Ontario
Sun 1/24
7:40 am-2:25 pm
1 stop5h 45m
$334
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Tue 9/8
8:20 am-12:40 pm
2 stops5h 20m
Ontario
Tue 9/15
3:35 pm-10:15 pm
2 stops5h 40m
$337
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Wed 9/16
3:35 pm-4:35 pm
Nonstop2h 00m
Ontario
Mon 9/21
6:00 am-8:49 am
Nonstop1h 49m
$349
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sun 1/10
4:30 pm-8:20 pm
1 stop4h 50m
Ontario
Sat 1/16
1:00 pm-7:04 pm
1 stop5h 04m
$399
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Utah to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Utah with our price prediction graph.
SLC-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 Utah to Ontario
USUT-ONT
SLC-ONT
What is the cheapest month to book a flight from Utah to Ontario?
Currently, April is the cheapest month in which you can book a flight from Utah to Ontario (average of $244). Flying from Utah to Ontario in August is currently the most expensive (average of $529). 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 UT to ONT?
Find hourly flight availability from Utah 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 August 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Utah to Ontario as you normally would.
Weekly flight availability from Utah to Ontario
Explore weekly flight availability from Utah 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 August 23, 2026.
The most flights from USUT to ONT are scheduled on a Friday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Utah to Ontario?
Airfare is below average for this route at the moment.
Utah to Ontario flights typically cost between $295 and $584 in September.The cheapest round-trip price found within the last 5 days was $128 on Frontier (Sep 29-Oct 6).
How far ahead should I book a flight from Utah to Ontario?
The price you pay for your flight from Utah to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Utah 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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Alternative routes for Utah to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Utah to Ontario by cabin class
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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 August 23, 2026.
Utah and Ontario flights
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Top 3 airlines flying from Utah to Ontario
Discover the top 3 airlines that operate flights from Utah 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 August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$220 | Average$278 | FlexibilityNo cancel fee | On-time63% |