$67+ Cheap flights from Ontario to Salt Lake City (ONT - SLC)
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
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Salt Lake City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Ontario to Salt Lake City are usually found in January or September, booked 65 days in advance, depart on a Thursday or Saturday and return on a Saturday
Cheap flight deals from Ontario to Salt Lake City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to Salt Lake CityExplore the most affordable flight options available from Ontario to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Ontario to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 10/156:00 am
ONT
- SLC
1 stop13h 33m
Frontier
Sun 10/186:52 pm
SLC
- ONT
1 stop16h 51m
Frontier
Deal found 7/21![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/56:00 am
ONT
- SLC
1 stop16h 59m
Frontier
Tue 9/87:08 pm
SLC
- ONT
1 stop19h 49m
Frontier
Deal found 7/22![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/267:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Sat 8/297:08 pm
SLC
- ONT
1 stop5h 42m
Frontier
Deal found 7/22![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/297:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Mon 8/317:08 pm
SLC
- ONT
1 stop15h 56m
Frontier
Deal found 7/22![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/87:56 pm
ONT
- SLC
1 stop15h 40m
Frontier
Tue 9/157:25 am
SLC
- ONT
1 stop7h 32m
Frontier
Deal found 7/22![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
ONT
- SLC
1 stop16h 59m
Frontier
Tue 9/157:25 am
SLC
- ONT
1 stop7h 32m
Frontier
Deal found 7/22![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/176:00 am
ONT
- SLC
1 stop24h 31m
Frontier
Thu 8/208:16 am
SLC
- ONT
1 stop16h 34m
Frontier
Deal found 7/21![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 9/236:00 am
ONT
- SLC
1 stop13h 33m
Frontier
Mon 10/56:45 pm
SLC
- ONT
1 stop6h 10m
Frontier
Deal found 7/22![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
ONT
- SLC
1 stop16h 59m
Frontier
Wed 9/167:25 am
SLC
- ONT
1 stop7h 32m
Frontier
Deal found 7/22![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/87:56 pm
ONT
- SLC
1 stop15h 40m
Frontier
Fri 9/116:45 pm
SLC
- ONT
1 stop6h 10m
Frontier
Deal found 7/22![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/710:49 am
ONT
- SLC
1 stop19h 42m
Frontier
Tue 9/157:25 am
SLC
- ONT
1 stop7h 32m
Frontier
Deal found 7/22![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/278:48 am
ONT
- SLC
1 stop10h 00m
Frontier
Tue 9/17:08 pm
SLC
- ONT
1 stop15h 56m
Frontier
Deal found 7/21![Frontier logo]()
$186
Best flights from Ontario to Salt Lake CityDiscover carefully curated flight deals from Ontario to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Ontario to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 8/201:06 pm
ONT
- SLC
Nonstop1h 47m
Delta
Mon 8/243:29 pm
SLC
- ONT
Nonstop1h 55m
Delta
Deal found 7/18![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:40 am
ONT
- SLC
2 stops6h 25m
Southwest
Sun 10/46:15 am
SLC
- ONT
1 stop3h 45m
Southwest
Deal found 7/22![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 9/31:06 pm
ONT
- SLC
Nonstop1h 47m
Delta
Mon 9/78:01 am
SLC
- ONT
Nonstop1h 51m
Delta
Deal found 7/18![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 am
ONT
- SLC
2 stops6h 25m
Southwest
Wed 8/263:40 pm
SLC
- ONT
2 stops6h 15m
Southwest
Deal found 7/20![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 7/22. 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 9/51:06 pm
ONT
- SLC
Nonstop1h 47m
Delta
Tue 9/89:10 pm
SLC
- ONT
Nonstop1h 54m
Delta
Deal found 7/22![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 7/19. 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.
Mon 10/191:17 pm
ONT
- SLC
Nonstop1h 49m
Delta
Tue 11/1010:55 pm
SLC
- ONT
Nonstop1h 53m
Delta
Deal found 7/19![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 8/275:05 pm
ONT
- SLC
Nonstop1h 54m
Delta
Mon 8/319:35 pm
SLC
- ONT
Nonstop1h 48m
Delta
Deal found 7/18![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/19. 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.
Mon 10/191:17 pm
ONT
- SLC
Nonstop1h 49m
Delta
Fri 11/69:10 pm
SLC
- ONT
Nonstop1h 52m
Delta
Deal found 7/19![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/18. 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.
Sun 8/95:05 pm
ONT
- SLC
Nonstop1h 54m
Delta
Sat 8/229:35 pm
SLC
- ONT
Nonstop1h 48m
Delta
Deal found 7/18![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 7/18. 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.
Fri 8/79:43 am
ONT
- SLC
Nonstop1h 54m
Delta
Sat 8/223:29 pm
SLC
- ONT
Nonstop1h 55m
Delta
Deal found 7/18![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- SLC
Nonstop1h 48m
Delta
Fri 8/288:01 am
SLC
- ONT
Nonstop1h 51m
Delta
Deal found 7/23![Delta logo]()
$379
Last-minute flights from Ontario to Salt Lake CityDiscover last-minute flight deals from Ontario to Salt Lake City. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Salt Lake City. Data last updated July 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:58 am
ONT
- SLC
1 stop10h 03m
Frontier
Wed 8/123:41 pm
SLC
- ONT
1 stop9h 09m
Frontier
Deal found 7/22![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/86:00 am
ONT
- SLC
1 stop7h 55m
Frontier
Tue 8/118:16 am
SLC
- ONT
1 stop26h 48m
Frontier
Deal found 7/22![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 7/18. 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.
Tue 8/116:00 am
ONT
- SLC
1 stop5h 27m
Frontier
Wed 8/123:41 pm
SLC
- ONT
1 stop9h 09m
Frontier
Deal found 7/18![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/1310:49 am
ONT
- SLC
1 stop11h 55m
Frontier
Sun 8/165:02 pm
SLC
- ONT
1 stop19h 00m
Frontier
Deal found 7/21![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Fri 8/146:00 am
ONT
- SLC
1 stop7h 55m
Frontier
Sat 8/153:41 pm
SLC
- ONT
1 stop9h 09m
Frontier
Deal found 7/21![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/176:00 am
ONT
- SLC
1 stop24h 31m
Frontier
Thu 8/208:16 am
SLC
- ONT
1 stop16h 34m
Frontier
Deal found 7/21![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Wed 8/266:05 am
SLC
- ONT
1 stop4h 59m
Frontier
Deal found 7/22![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/267:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Sat 8/297:08 pm
SLC
- ONT
1 stop5h 42m
Frontier
Deal found 7/22![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/278:48 am
ONT
- SLC
1 stop10h 00m
Frontier
Tue 9/17:08 pm
SLC
- ONT
1 stop15h 56m
Frontier
Deal found 7/21![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/297:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Mon 8/317:08 pm
SLC
- ONT
1 stop15h 56m
Frontier
Deal found 7/22![Frontier logo]()
$150
One-way flights from Ontario to Salt Lake CitySearch for one-way flight options from Ontario to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Ontario to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sat 9/57:56 pm
ONT
- SLC
1 stop27h 03m
Frontier
Deal found 7/18![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sun 9/66:00 am
ONT
- SLC
1 stop16h 59m
Frontier
Deal found 7/19![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/17:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Deal found 7/22![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/216:00 am
ONT
- SLC
1 stop29h 36m
Frontier
Deal found 7/21![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
ONT
- SLC
1 stop5h 36m
Frontier
Deal found 7/23![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/316:00 am
ONT
- SLC
1 stop24h 31m
Frontier
Deal found 7/21![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/206:00 am
ONT
- SLC
1 stop16h 59m
Frontier
Deal found 7/22![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 59m
Frontier
Deal found 7/23![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Deal found 7/23![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:56 pm
ONT
- SLC
1 stop10h 35m
Frontier
Deal found 7/23![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 9/106:00 am
ONT
- SLC
1 stop25h 03m
Frontier
Deal found 7/22![Frontier logo]()
$92
Find flight deals from Ontario to Salt Lake City
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Salt Lake City (SLC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Kiwi.com) |
One-way from | $67 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $398 |
Good round-trip deal | $330 or less |
Good one-way deal | $205 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Salt Lake City 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 July 23, 2026.
Use the filters below to find and compare flights from Ontario to Salt Lake City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Thu 8/20
1:06 pm-3:53 pm
Nonstop1h 47m
Salt Lake City
Mon 8/24
3:29 pm-4:24 pm
Nonstop1h 55m
$299
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Wed 9/30
6:40 am-2:05 pm
2 stops6h 25m
Salt Lake City
Sun 10/4
6:15 am-9:00 am
1 stop3h 45m
$299
Quickest round-trip
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Thu 9/3
1:06 pm-3:53 pm
Nonstop1h 47m
Salt Lake City
Mon 9/7
8:01 am-8:52 am
Nonstop1h 51m
$299
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Wed 8/19
6:40 am-2:05 pm
2 stops6h 25m
Salt Lake City
Wed 8/26
3:40 pm-8:55 pm
2 stops6h 15m
$303
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Sat 9/5
1:06 pm-3:53 pm
Nonstop1h 47m
Salt Lake City
Tue 9/8
9:10 pm-10:04 pm
Nonstop1h 54m
$309
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Mon 10/19
1:17 pm-4:06 pm
Nonstop1h 49m
Salt Lake City
Tue 11/10
10:55 pm-11:48 pm
Nonstop1h 53m
$339
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Thu 8/27
5:05 pm-7:59 pm
Nonstop1h 54m
Salt Lake City
Mon 8/31
9:35 pm-10:23 pm
Nonstop1h 48m
$339
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Mon 10/19
1:17 pm-4:06 pm
Nonstop1h 49m
Salt Lake City
Fri 11/6
9:10 pm-10:02 pm
Nonstop1h 52m
$339
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Sun 8/9
5:05 pm-7:59 pm
Nonstop1h 54m
Salt Lake City
Sat 8/22
9:35 pm-10:23 pm
Nonstop1h 48m
$349
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Fri 8/7
9:43 am-12:37 pm
Nonstop1h 54m
Salt Lake City
Sat 8/22
3:29 pm-4:24 pm
Nonstop1h 55m
$369
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Salt Lake City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Salt Lake City in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Salt Lake City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Salt Lake City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Salt Lake City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Salt Lake City
Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Ontario with our price prediction graph.
ONT-SLC
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 Salt Lake City
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How far ahead should I book a flight from Ontario to Salt Lake City?
The price you pay for your flight from Ontario to Salt Lake City may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Ontario to Salt Lake City?
Currently, January is the cheapest month in which you can book a flight from Ontario to Salt Lake City (average of $256). Flying from Ontario to Salt Lake City in March is currently the most expensive (average of $399). 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 SLC?
Find hourly flight availability from Ontario to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 74% on flights from Ontario to Salt Lake City by exploring options for tickets in the evening.
What’s the top layover airport for flights from Ontario to Salt Lake City?
Share of 1-stop round-trip flights from Ontario to Salt Lake City chosen by Cheapflights users in the past 12 months, using the same layover each way.
Las Vegas (LAS) – chosen by Cheapflights users on 60% of 1-stop itineraries from Ontario to Salt Lake City on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Salt Lake City?
Average round-trip fare for 1-stop flights from Ontario to Salt Lake City, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $179.
What’s the fastest layover option from Ontario to Salt Lake City?
Shortest average travel time for 1-stop one-way flights from Ontario to Salt Lake City, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Sacramento (SMF) have the shortest average one-way travel time for 1-stop routes: 3h 40m.
Which airport typically offers the quickest layover for flights from Ontario to Salt Lake City?
Average layover duration for 1-stop one-way flights from Ontario to Salt Lake City, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Sacramento (SMF) offer the fastest connection on this route, with an average layover time of 0h 58m.
The best insider tips for Ontario to Salt Lake City flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Salt Lake City trip
Our travel experts
Reviews of airlines servicing Salt Lake City
Get insights into the airlines that provide service to Salt Lake City. 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 Salt Lake City. Reviews last updated July 23, 2026.
Read reviews from past customers who have flown Southwest,Delta, andFrontier from Ontario to Salt Lake City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
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 Salt Lake City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Salt Lake City?
Book flights to Salt Lake City if you plan to visit one of these locationsBountiful
Lehi
Farmington
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Alta
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Ontario and Salt Lake City flights
Browse other Ontario and Salt Lake City flight options. Last updated on July 23, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
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Other flights to Salt Lake City
Explore flights to Salt Lake City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Top 3 airlines flying from Ontario to Salt Lake City
Discover the top 3 airlines that operate flights from Ontario to Salt Lake City. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$176 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$338 | FlexibilityNo cancel fee | On-time63% |