$57+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Find cheap flights from Utah to Ontario with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 June 6, 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 June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 9/222:51 pm
SLC
- ONT
1 stop7h 03m
Frontier
Tue 9/299:49 pm
ONT
- SLC
1 stop15h 07m
Frontier
Deal found 6/2![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 9/810:41 pm
SLC
- ONT
1 stop16h 16m
Frontier
Tue 9/156:00 am
ONT
- SLC
1 stop13h 33m
Frontier
Deal found 6/2![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Tue 7/148:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/5![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:47 pm
SLC
- ONT
1 stop26h 27m
Frontier
Tue 7/213:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Deal found 6/5![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/11:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Wed 7/88:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/2![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Wed 7/221:38 pm
ONT
- SLC
1 stop18h 48m
Frontier
Deal found 6/5![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:52 pm
SLC
- ONT
1 stop19h 11m
Frontier
Sun 8/164:34 pm
ONT
- SLC
1 stop15h 52m
Frontier
Deal found 6/4![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/145:02 pm
SLC
- ONT
1 stop19h 00m
Frontier
Mon 8/173:40 pm
ONT
- SLC
1 stop16h 55m
Frontier
Deal found 6/2![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/11:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Sat 8/811:47 am
ONT
- SLC
1 stop20h 39m
Frontier
Deal found 6/3![Frontier logo]()
$170
This Booking.com deal was found by Cheapflights users on 6/1. 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.
Wed 7/221:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Tue 7/281:38 pm
ONT
- SLC
1 stop18h 48m
Frontier
Deal found 6/1![Frontier logo]()
$187
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 June 6, 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 June 6, 2026.
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:35 am
SLC
- ONT
2 stops6h 45m
Southwest
Mon 7/275:30 am
ONT
- SLC
1 stop3h 30m
Southwest
Deal found 6/5![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:25 pm
SLC
- ONT
Nonstop1h 47m
Delta
Mon 11/26:00 am
ONT
- SLC
Nonstop1h 51m
Delta
Deal found 6/1![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am
SLC
- ONT
Nonstop1h 53m
Delta
Sun 9/206:00 am
ONT
- SLC
Nonstop1h 49m
Delta
Deal found 6/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:16 am
SLC
- ONT
Nonstop1h 49m
Delta
Sun 9/136:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Deal found 6/2![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am
SLC
- ONT
Nonstop1h 53m
Delta
Sun 9/206:00 am
ONT
- SLC
Nonstop1h 49m
Delta
Deal found 6/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:16 am
SLC
- ONT
Nonstop1h 54m
Delta
Tue 9/291:00 pm
ONT
- SLC
Nonstop1h 47m
Delta
Deal found 6/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/3. 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 7/308:00 am
SLC
- ONT
Nonstop1h 47m
Delta
Sun 8/21:00 pm
ONT
- SLC
Nonstop1h 47m
Delta
Deal found 6/3![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:45 pm
SLC
- ONT
Nonstop1h 52m
Delta
Sun 9/209:45 am
ONT
- SLC
Nonstop1h 51m
Delta
Deal found 6/4![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/2. 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 7/210:59 pm
SLC
- ONT
Nonstop1h 50m
Delta
Thu 7/96:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Deal found 6/2![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/2. 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 7/1211:21 am
SLC
- ONT
Nonstop1h 49m
Delta
Sun 8/3012:55 pm
ONT
- SLC
Nonstop1h 48m
Delta
Deal found 6/2![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:35 pm
SLC
- ONT
Nonstop1h 55m
Delta
Mon 7/276:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Deal found 6/5![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/3. 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 7/223:15 pm
SLC
- ONT
1 stop8h 37m
Delta
Sat 7/256:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Deal found 6/3![Delta logo]()
$349
Last-minute flights from Utah to OntarioDiscover last-minute flight deals from Utah to Ontario. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Ontario. Data last updated June 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 6/301:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Tue 7/71:38 pm
ONT
- SLC
1 stop18h 48m
Frontier
Deal found 6/2![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/11:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Wed 7/88:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/2![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 6/1. 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 7/21:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Tue 7/78:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/1![Frontier logo]()
$213
This Booking.com deal was found by Cheapflights users on 6/1. 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 7/61:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Tue 7/73:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Deal found 6/1![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Tue 7/148:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/5![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:47 pm
SLC
- ONT
1 stop26h 27m
Frontier
Tue 7/213:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Deal found 6/5![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/81:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Wed 7/158:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/2![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Tue 7/213:40 pm
ONT
- SLC
1 stop16h 46m
Frontier
Deal found 6/4![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Wed 7/221:38 pm
ONT
- SLC
1 stop18h 48m
Frontier
Deal found 6/5![Frontier logo]()
$158
This Booking.com deal was found by Cheapflights users on 6/1. 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.
Wed 7/221:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Tue 7/281:38 pm
ONT
- SLC
1 stop18h 48m
Frontier
Deal found 6/1![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 7/271:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Thu 7/308:58 am
ONT
- SLC
1 stop10h 08m
Frontier
Deal found 6/1![Frontier logo]()
$216
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 June 6, 2026.
Search for one-way flight options from Utah to Ontario. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 9/97:25 am
SLC
- ONT
1 stop7h 32m
Frontier
Deal found 6/3![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 10/62:51 pm
SLC
- ONT
1 stop7h 03m
Frontier
Deal found 6/2![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 10/209:58 pm
SLC
- ONT
1 stop13h 23m
Frontier
Deal found 6/3![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/71:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/3![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/211:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/3![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 7/141:47 pm
SLC
- ONT
1 stop19h 16m
Frontier
Deal found 6/1![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/191:50 pm
SLC
- ONT
1 stop6h 58m
Frontier
Deal found 6/3![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:51 pm
SLC
- ONT
1 stop7h 03m
Frontier
Deal found 6/4![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 6/2. 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 6/241:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/2![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 6/3. 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 6/231:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/3![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/11:50 pm
SLC
- ONT
1 stop7h 01m
Frontier
Deal found 6/3![Frontier logo]()
$73
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $134 (Kiwi.com) |
One-way from | $57 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $202 |
Good round-trip deal | $339 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 2,558,603 searches. Data last updated June 6, 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 - ONT
SLCONT
Salt Lake City
Fri 7/24
5:35 am-11:20 am
2 stops6h 45m
Ontario
Mon 7/27
5:30 am-10:00 am
1 stop3h 30m
$334
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Thu 10/29
3:25 pm-4:12 pm
Nonstop1h 47m
Ontario
Mon 11/2
6:00 am-8:51 am
Nonstop1h 51m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Wed 9/16
8:00 am-8:53 am
Nonstop1h 53m
Ontario
Sun 9/20
6:00 am-8:49 am
Nonstop1h 49m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Sun 9/6
11:16 am-12:05 pm
Nonstop1h 49m
Ontario
Sun 9/13
6:00 am-8:48 am
Nonstop1h 48m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Thu 9/17
8:00 am-8:53 am
Nonstop1h 53m
Ontario
Sun 9/20
6:00 am-8:49 am
Nonstop1h 49m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Tue 9/22
11:16 am-12:10 pm
Nonstop1h 54m
Ontario
Tue 9/29
1:00 pm-3:47 pm
Nonstop1h 47m
$339
Quickest round-trip
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Thu 7/30
8:00 am-8:47 am
Nonstop1h 47m
Ontario
Sun 8/2
1:00 pm-3:47 pm
Nonstop1h 47m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Fri 9/18
10:45 pm-11:37 pm
Nonstop1h 52m
Ontario
Sun 9/20
9:45 am-12:36 pm
Nonstop1h 51m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Thu 7/2
10:59 pm-11:49 pm
Nonstop1h 50m
Ontario
Thu 7/9
6:00 am-8:48 am
Nonstop1h 48m
$339
Salt Lake CityOntario
SLC - ONT
SLCONT
Salt Lake City
Sun 7/12
11:21 am-12:10 pm
Nonstop1h 49m
Ontario
Sun 8/30
12:55 pm-3:43 pm
Nonstop1h 48m
$339
Showing 1-10 of 22 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, December is the cheapest month in which you can book a flight from Utah to Ontario (average of $49). Flying from Utah to Ontario in June is currently the most expensive (average of $183). 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 June 6, 2026.
It’s typically best to fly out from Utah to Ontario at noon. Doing so could potentially save you 69% on the flight price compared to flying in the afternoon, which is usually more expensive.
How much does it cost to fly round-trip from Utah to Ontario?
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
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 Utah to Ontario by cabin class
Find flights from Utah 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 June 6, 2026.
Utah and Ontario flights
Browse other Utah and Ontario flight options. Last updated on June 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Utah to Ontario flights
Consider these flights traveling from Utah to Ontario.
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 2,558,603 searches. Data last updated June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$343 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$214 | Average$275 | FlexibilityNo cancel fee | On-time63% |