Popular airlines from Salt Lake City International Airport (SLC) to Los Angeles - Ontario Intl. Airport (ONT)
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- United
United
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- Alaska Airlines
Alaska Airlines
- Plan, book, fly with confidence
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Cheap Flights from Salt Lake City to Ontario (SLC-ONT)
Prices were available within the past 7 days and start at $94 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Salt Lake City (SLC) to Ontario (ONT)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Ontario
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Salt Lake City Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United |
Roundtrip price | $188 |
Distance | 556 mi |
Average flight time | 1 hour 27 mins |
Salt Lake City to Ontario Flights
The cheapest times to fly from Salt Lake City to Ontario
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 Salt Lake City to Ontario are during the month of September. You can find some of the cheapest flights from Salt Lake City to Ontario with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Salt Lake City to Ontario
Sunday is one of the best days to book for cheap flights from Salt Lake City to Ontario: 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 Salt Lake City to Ontario
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 Salt Lake City to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 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 Salt Lake City to Ontario 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 Salt Lake City to Ontario 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.
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Top Routes from Salt Lake City
- Salt Lake City to Chicago (SLC - ORD)
- Salt Lake City to San Diego (SLC - SAN)
- Salt Lake City to Newark Liberty Intl. Airport (SLC - EWR)
- Salt Lake City to Phoenix (SLC - PHX)
- Salt Lake City to Miami (SLC - MIA)
- Salt Lake City to Portland (SLC - PDX)
- Salt Lake City to Honolulu (SLC - HNL)
- Salt Lake City to Boston (SLC - BOS)
- Salt Lake City to Denver (SLC - DEN)
- Salt Lake City to Seattle (SLC - SEA)
- Salt Lake City to New York (SLC - JFK)
- Salt Lake City to Kahului (SLC - OGG)
Top Routes to Ontario
- Chicago to Ontario (ORD - ONT)
- Phoenix to Ontario (PHX - ONT)
- Newark Liberty Intl. Airport to Ontario (EWR - ONT)
- Chicago to Ontario (MDW - ONT)
- Portland to Ontario (PDX - ONT)
- Boston to Ontario (BOS - ONT)
- Denver to Ontario (DEN - ONT)
- Sacramento to Ontario (SMF - ONT)
- San Jose to Ontario (SJC - ONT)
- Seattle to Ontario (SEA - ONT)
- New York to Ontario (JFK - ONT)
- Dallas to Ontario (DAL - ONT)
Top Routes from Salt Lake City
- Alaska Airlines Salt Lake City to Chicago
- Alaska Airlines Salt Lake City to San Diego
- Frontier Airlines Salt Lake City to Phoenix
- Delta Salt Lake City to Miami
- Alaska Airlines Salt Lake City to Portland
- Alaska Airlines Salt Lake City to Honolulu
- Alaska Airlines Salt Lake City to Boston
- Frontier Airlines Salt Lake City to Denver
- Alaska Airlines Salt Lake City to Seattle
- JetBlue Airways Salt Lake City to New York
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