$64 Cheap Flights from Ontario (ONT) to Salt Lake City (SLC)

View $64 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City International Airport (SLC)

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Cheap Flights from Ontario to Salt Lake City (ONT-SLC)

Prices were available within the past 7 days and start at $64 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Jan 24 - Tue, Jan 27
ONT
Ontario
SLC
Salt Lake City
$128 Roundtrip, found 1 hour ago
$128
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jan 24 from Ontario to Salt Lake City, returning Tue, Jan 27, priced at $128 found 1 hour ago
Frontier Airlines
Wed, Feb 4 - Mon, Feb 9
ONT
Ontario
SLC
Salt Lake City
$133 Roundtrip, found 2 hours ago
$133
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Feb 4 from Ontario to Salt Lake City, returning Mon, Feb 9, priced at $133 found 2 hours ago
Frontier Airlines
Thu, Jan 22 - Thu, Feb 19
ONT
Ontario
SLC
Salt Lake City
$138 Roundtrip, found 3 hours ago
$138
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Ontario to Salt Lake City, returning Thu, Feb 19, priced at $138 found 3 hours ago
Frontier Airlines
Tue, Feb 24 - Thu, Mar 5
ONT
Ontario
SLC
Salt Lake City
$139 Roundtrip, found 6 hours ago
$139
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, Feb 24 from Ontario to Salt Lake City, returning Thu, Mar 5, priced at $139 found 6 hours ago
Frontier Airlines
Thu, Jan 22 - Sat, Jan 24
ONT
Ontario
SLC
Salt Lake City
$143 Roundtrip, found 4 hours ago
$143
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Ontario to Salt Lake City, returning Sat, Jan 24, priced at $143 found 4 hours ago
Frontier Airlines
Thu, Feb 26 - Thu, Mar 5
ONT
Ontario
SLC
Salt Lake City
$144 Roundtrip, found 10 hours ago
$144
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Ontario to Salt Lake City, returning Thu, Mar 5, priced at $144 found 10 hours ago
Alaska Airlines
Fri, Jan 30 - Mon, Feb 2
ONT
Ontario
SLC
Salt Lake City
$224 Roundtrip, found 2 hours ago
$224
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Jan 30 from Ontario to Salt Lake City, returning Mon, Feb 2, priced at $224 found 2 hours ago
Delta
Tue, Feb 3 - Sat, Feb 7
ONT
Ontario
SLC
Salt Lake City
$245 Roundtrip, found 2 hours ago
$245
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Feb 3 from Ontario to Salt Lake City, returning Sat, Feb 7, priced at $245 found 2 hours ago
Southwest Airlines
Thu, Feb 26 - Mon, Mar 2
ONT
Ontario
SLC
Salt Lake City
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Thu, Feb 26 from Ontario to Salt Lake City, returning Mon, Mar 2, priced at $257 found 1 hour ago
United
Sat, Mar 7 - Sun, Mar 8
ONT
Ontario
SLC
Salt Lake City
$314 Roundtrip, found 23 hours ago
$314
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Mar 7 from Ontario to Salt Lake City, returning Sun, Mar 8, priced at $314 found 23 hours ago

Find the cheapest month to fly from Ontario (ONT) to Salt Lake City (SLC)

January is typically the cheapest month to fly

From $103 - $228 per traveler.

Alternative airports near Salt Lake City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Salt Lake City Intl. SLC. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $266
SLC
Salt Lake City Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $266
Flights from Ontario (ONT) to Salt Lake City (SLC)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Salt Lake City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$128
Distance
556 mi
Average flight time
2 hours 51 mins

Ontario to Salt Lake City Flights

The cheapest times to fly from Ontario to Salt Lake City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Salt Lake City are during the month of January. You can find some of the cheapest flights from Ontario to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Salt Lake City

Sunday is one of the best days to book for cheap flights from Ontario to Salt Lake City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Salt Lake City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Salt Lake City in 2026. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Salt Lake City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Salt Lake City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) cost?
Lock in a cheap one-way flight from $64 or cheap return flight from $128 from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
January is the least expensive month to fly from ONT to SLC. Traveling during quieter months is often the key to finding better fares.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
You can fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) on a Delta Air Lines flight.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
The cheapest airline to offer flights between Los Angeles - Ontario Intl. Airport (ONT) and Salt Lake City Intl. Airport (SLC) can change depending on your travel dates. Frontier Airlines and Delta Air Lines are just some good options offering competitive fares. Use Expedia's filters to compare airlines in one place and find the right ONT to SLC flight that fits your budget.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
With, on average, 3 nonstop flights that operate from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) daily, you'll be soaring through the skies in no time.
What are the most popular departure times for flights from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
More travelers fly between ONT and SLC at 1 PM than at any other time of day. Prefer a quieter experience? Consider flying outside peak hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from ONT to SLC?
Depart on a Thursday if you're after the largest selection of flights from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC).
What is the earliest flight from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
Los Angeles - Ontario Intl. Airport (ONT)'s earliest flight to Salt Lake City Intl. Airport (SLC) takes off at approximately 6:00AM UTC-8. With a travel duration of 1h 50m, you'll touch down at around 8:50AM UTC-7.
How long does it take to fly from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
The average flight time from ONT to SLC is 1 hour and 49 minutes, covering a distance of 560 mi.
What airline has the least delays from ONT to SLC?
Consider booking with Aeromexico if you'd like to fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) without any delays. This airline has the best track record for punctuality, with an on-time score of 100%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
Select a flight from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Salt Lake City from Los Angeles - Ontario Intl. Airport (ONT)?
Salt Lake City Intl. Airport (SLC) is the only airport in Salt Lake City with direct flights from Los Angeles - Ontario Intl. Airport (ONT). Compare the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC) last-minute?
Last-minute bookings from ONT to SLC are generally more expensive. For the lowest rates, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book an ONT to SLC flight and hotel package?
Opting for an ONT to SLC flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC)?
It's generally possible to cancel or reschedule your ONT to SLC flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.