$61+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SLC
Feb 20 — Feb 271
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 August or September, booked 65 days in advance, depart on a Saturday or Thursday and return on a Tuesday
Cheap flight deals from Ontario to Salt Lake City
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 January 21, 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 January 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:36 am
ONT
- SLC
1 stop12h 13m
Frontier
Tue 2/178:01 pm
SLC
- ONT
1 stop26h 33m
Frontier
Deal found 1/20![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:17 pm
ONT
- SLC
1 stop13h 14m
Frontier
Wed 2/252:28 pm
SLC
- ONT
1 stop4h 54m
Frontier
Deal found 1/20![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:10 am
ONT
- SLC
1 stop12h 39m
Frontier
Mon 2/169:26 pm
SLC
- ONT
1 stop16h 45m
Frontier
Deal found 1/20![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/172:06 pm
ONT
- SLC
1 stop22h 27m
Frontier
Thu 2/1910:37 pm
SLC
- ONT
1 stop9h 45m
Frontier
Deal found 1/21![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Fri 1/308:48 pm
ONT
- SLC
1 stop12h 18m
Frontier
Sun 2/110:34 pm
SLC
- ONT
1 stop14h 36m
Frontier
Deal found 1/20![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sat 2/148:09 pm
ONT
- SLC
1 stop11h 21m
Frontier
Mon 2/162:12 pm
SLC
- ONT
1 stop4h 36m
Frontier
Deal found 1/20![Frontier logo]()
$134
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:30 am
ONT
- SLC
Nonstop1h 48m
Frontier
Sat 2/217:20 am
SLC
- ONT
1 stop17h 39m
Frontier
Deal found 1/20![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:30 am
ONT
- SLC
Nonstop1h 48m
Frontier
Wed 2/182:28 pm
SLC
- ONT
1 stop4h 54m
Frontier
Deal found 1/20![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:06 pm
ONT
- SLC
1 stop26h 54m
Frontier
Tue 3/179:14 pm
SLC
- ONT
1 stop27h 45m
Frontier
Deal found 1/20![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 1/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- SLC
1 stop4h 45m
Frontier
Mon 2/232:12 pm
SLC
- ONT
1 stop4h 36m
Frontier
Deal found 1/20![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 1/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- SLC
1 stop4h 45m
Frontier
Sun 2/2212:20 pm
SLC
- ONT
Nonstop1h 53m
Frontier
Deal found 1/20![Frontier logo]()
$148
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 January 21, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $125 (Kiwi.com) |
One-way from | $61 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $252 |
Good round-trip deal | $281 or less |
Good one-way deal | $142 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 January 21, 2026.
Use the filters below to find and compare flights from Ontario to Salt Lake City that are best for you.
Fly from
Ontario
Fly to
Salt Lake City
Route
Depart
Return
Price
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Wed 2/18
7:17 pm-9:31 am
1 stop13h 14m
Salt Lake City
Wed 2/25
2:28 pm-6:22 pm
1 stop4h 54m
$129
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Thu 2/12
10:30 am-1:18 pm
Nonstop1h 48m
Salt Lake City
Tue 2/17
8:00 am-9:34 pm
1 stop14h 34m
$155
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Tue 2/24
8:35 am-11:56 am
2 stops26h 21m
Salt Lake City
Thu 2/26
10:37 pm-1:26 pm
1 stop15h 49m
$161
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Fri 2/27
9:43 pm-1:33 pm
1 stop14h 50m
Salt Lake City
Sun 3/1
5:13 pm-9:29 pm
1 stop5h 16m
$167
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Sat 2/21
1:10 pm-3:57 pm
Nonstop1h 47m
Salt Lake City
Wed 2/25
10:59 pm-11:49 pm
Nonstop1h 50m
$199
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Sat 2/21
1:10 pm-3:57 pm
Nonstop1h 47m
Salt Lake City
Mon 2/23
10:59 pm-11:49 pm
Nonstop1h 50m
$199
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Thu 3/5
2:08 pm-7:55 am
1 stop16h 47m
Salt Lake City
Mon 3/9
8:38 am-4:15 pm
1 stop8h 37m
$200
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Tue 2/10
3:15 pm-9:45 pm
1 stop5h 30m
Salt Lake City
Tue 2/17
7:20 pm-10:05 pm
1 stop3h 45m
$219
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Sat 2/14
8:21 am-9:26 pm
2 stops12h 05m
Salt Lake City
Mon 2/16
9:26 pm-1:11 pm
1 stop16h 45m
$228
OntarioSalt Lake City
ONT - SLC
ONTSLC
Ontario
Thu 3/5
6:14 am-11:58 pm
1 stop16h 44m
Salt Lake City
Mon 3/9
6:20 am-11:32 pm
1 stop18h 12m
$235
Showing 1-10 of 23 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Salt Lake City flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Salt Lake City flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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
Prices
Airlines
More
How far ahead should I book a flight from Ontario to Salt Lake City?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Salt Lake City. Price data was last updated on January 16, 2026.
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 65 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, May is the cheapest month in which you can book a flight from Ontario to Salt Lake City (average of $41). Flying from Ontario to Salt Lake City in July is currently the most expensive (average of $89). 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 January 21, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 71% 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.
Phoenix (PHX) – chosen by Cheapflights users on 33% 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 $131.
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 Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 3h 45m.
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 Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 53m.
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 January 21, 2026.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
Midvale
Logan
West Valley City
Draper
Evanston
West Jordan
South Jordan
Layton
Alta
Sandy
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Alternative routes for Ontario to Salt Lake City
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to Salt Lake City
Discover the top 4 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 January 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$176 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$309 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$202 | Average$316 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$297 | FlexibilityNo cancel fee | On-time71% |