$70+ Cheap flights from Salt Lake City to Ontario (SLC - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
Oct 22 — Oct 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Salt Lake City to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Salt Lake City to Ontario are usually found in February or April, booked 67 days in advance, depart on a Thursday or Sunday and return on a Thursday
Cheap flight deals from Salt Lake City to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Salt Lake City to OntarioExplore the most affordable flight options available from Salt Lake City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Salt Lake City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 11/124:16 pm -
1 stop8h 35m
Wed 11/1811:52 am -
1 stop11h 25m
Deal found 9/21![Frontier logo]()
$137
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:16 pm -
1 stop8h 34m
Wed 10/286:25 am -
1 stop7h 56m
Deal found 9/20![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sat 10/2411:36 am -
1 stop13h 14m
Tue 10/276:25 am -
1 stop16h 52m
Deal found 9/21![Frontier logo]()
$140
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:16 pm -
1 stop8h 34m
Tue 10/2711:52 am -
1 stop11h 25m
Deal found 9/20![Frontier logo]()
$141
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:16 pm -
1 stop8h 35m
Sat 10/3111:52 am -
1 stop11h 25m
Deal found 9/18![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/194:16 pm -
1 stop19h 13m
Wed 10/216:15 am -
1 stop8h 06m
Deal found 9/20![Frontier logo]()
$149
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:16 pm -
1 stop8h 35m
Mon 11/96:25 am -
1 stop7h 56m
Deal found 9/18![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:36 am -
1 stop13h 14m
Tue 10/136:15 am -
1 stop8h 06m
Deal found 9/19![Frontier logo]()
$156
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:46 am -
1 stop13h 05m
Tue 11/106:25 am -
1 stop7h 56m
Deal found 9/21![Frontier logo]()
$157
Best flights from Salt Lake City to OntarioDiscover carefully curated flight deals from Salt Lake City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Salt Lake City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Delta deal was found by Cheapflights users on 9/18. 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.
Sat 10/319:20 pm -
Nonstop1h 52m
Mon 11/26:00 am -
Nonstop1h 53m
Deal found 9/18![Delta logo]()
$338
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:10 pm -
2 stops6h 35m
Fri 10/236:15 pm -
1 stop4h 15m
Deal found 9/22![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 9/19. 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 2/1210:55 pm -
Nonstop1h 53m
Sun 2/216:00 am -
Nonstop1h 51m
Deal found 9/19![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/18. 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 10/228:02 am -
Nonstop1h 53m
Sun 10/256:00 am -
Nonstop1h 53m
Deal found 9/18![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/21. 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.
Fri 10/308:02 am -
Nonstop1h 53m
Sun 11/16:00 am -
Nonstop1h 54m
Deal found 9/21![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/19. 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 10/3011:05 pm -
Nonstop1h 50m
Mon 11/21:35 pm -
Nonstop1h 52m
Deal found 9/19![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 9/19. 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.
Sat 1/163:35 pm -
1 stop8h 08m
Tue 2/26:00 am -
Nonstop1h 51m
Deal found 9/19![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/19. 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.
Sat 1/169:55 pm -
Nonstop1h 53m
Sat 1/307:00 am -
1 stop8h 37m
Deal found 9/19![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/18. 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 12/1810:59 pm -
Nonstop1h 59m
Sun 1/35:00 pm -
Nonstop1h 51m
Deal found 9/18![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/20. 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.
Sun 10/118:02 am -
Nonstop1h 53m
Fri 10/235:03 pm -
Nonstop1h 56m
Deal found 9/20![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 9/21. 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.
Mon 10/1911:44 am -
Nonstop1h 52m
Mon 10/269:45 am -
Nonstop1h 54m
Deal found 9/21![Delta logo]()
$389
Last-minute flights from Salt Lake City to OntarioDiscover last-minute flight deals from Salt Lake City to Ontario. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to Ontario. Data last updated September 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:36 am -
1 stop13h 14m
Tue 10/136:15 am -
1 stop8h 06m
Deal found 9/19![Frontier logo]()
$156
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:36 am -
1 stop13h 14m
Thu 10/2211:52 am -
1 stop11h 27m
Deal found 9/18![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/194:16 pm -
1 stop19h 13m
Wed 10/216:15 am -
1 stop8h 06m
Deal found 9/20![Frontier logo]()
$149
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:16 pm -
1 stop8h 34m
Tue 10/2711:52 am -
1 stop11h 25m
Deal found 9/20![Frontier logo]()
$141
This Mytrip deal was found by Cheapflights users on 9/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:16 pm -
1 stop8h 34m
Wed 10/286:25 am -
1 stop7h 56m
Deal found 9/20![Frontier logo]()
$138
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:36 am -
1 stop13h 14m
Thu 10/296:25 am -
1 stop7h 56m
Deal found 9/18![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sat 10/2411:36 am -
1 stop13h 14m
Tue 10/276:25 am -
1 stop16h 52m
Deal found 9/21![Frontier logo]()
$140
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:36 am -
1 stop13h 14m
Wed 10/286:25 am -
1 stop7h 56m
Deal found 9/22![Frontier logo]()
$160
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:16 pm -
1 stop8h 35m
Sat 10/3111:52 am -
1 stop11h 25m
Deal found 9/18![Frontier logo]()
$143
One-way flights from Salt Lake City to OntarioSearch for one-way flight options from Salt Lake City to Ontario. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Salt Lake City to Ontario. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Trip.com deal was found by Cheapflights users on 9/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:00 am -
1 stop16h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 9/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:46 am -
1 stop13h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Tue 11/178:10 am -
1 stop16h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$72
This Booking.com deal was found by Cheapflights users on 9/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:16 pm -
1 stop8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 12/96:34 am -
1 stop16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Tue 10/208:00 am -
1 stop16h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Tue 12/81:17 pm -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$76
This Trip.com deal was found by Cheapflights users on 9/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:16 pm -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$77
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:34 am -
1 stop5h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$78
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:16 pm -
1 stop8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/268:00 am -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/1911:36 am -
1 stop23h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$81
Find flight deals from Salt Lake City to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Ontario (ONT). 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 September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Kiwi.com) |
One-way from | $70 (Trip.com) |
Popular in | August |
Cheapest in | February |
Average price | $408 |
Good round-trip deal | $319 or less |
Good one-way deal | $219 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Salt Lake City 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 September 22, 2026.
Use the filters below to find and compare flights from Salt Lake City 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
Sat 10/17
6:20 pm-8:45 pm
1 stop3h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Tue 2/16
4:05 pm-6:50 pm
1 stop3h 45m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Wed 3/17
12:00 pm-6:35 pm
1 stop7h 35m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
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
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Mon 10/19
11:05 pm-11:55 pm
Nonstop1h 50m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Thu 10/22
8:02 am-8:55 am
Nonstop1h 53m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Quickest round-trip
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sun 11/15
11:30 am-12:17 pm
Nonstop1h 47m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sat 11/21
9:25 pm-10:16 pm
Nonstop1h 51m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Sun 11/1
9:20 pm-10:11 pm
Nonstop1h 51m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Salt Lake CityOntario
SLC Salt Lake City - ONT Ontario
SLCONT
Salt Lake City
Thu 2/18
3:25 pm-4:12 pm
Nonstop1h 47m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Salt Lake City to Ontario
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 Salt Lake City to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Salt Lake City-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Salt Lake City-Ontario 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 Salt Lake City-Ontario 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 Salt Lake City to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Salt Lake City 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 Salt Lake City to Ontario
Prices
Airlines
How far ahead should I book a flight from Salt Lake City to Ontario?
The price you pay for your flight from Salt Lake City 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.
What is the cheapest month to book a flight from Salt Lake City to Ontario?
Currently, February is the cheapest month in which you can book a flight from Salt Lake City to Ontario (average of $220). Flying from Salt Lake City 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 SLC to ONT?
Find hourly flight availability from Salt Lake City 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 September 22, 2026.
When flying from Salt Lake City to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The best insider tips for Salt Lake City to Ontario 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 Salt Lake City to Ontario trip
Our travel experts
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 22, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andFrontier from Salt Lake City to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Salt Lake City to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Salt Lake City
Popular flights
Alternative routes for Salt Lake City 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 Salt Lake City to Ontario by cabin class
Find flights from Salt Lake City 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 September 22, 2026.
Salt Lake City and Ontario flights
Browse other Salt Lake City and Ontario flight options. Last updated on September 22, 2026.
Other flights from Salt Lake City
Browse through other flights departing from Salt Lake City. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Salt Lake City to Ontario
Discover the top 3 airlines that operate flights from Salt Lake City 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 September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$300 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$259 | Average$416 | FlexibilityNo cancel fee | On-timeN/A |