Cheap flights from Salt Lake City to Los Angeles from $57

In general, February is the cheapest month to fly from Salt Lake City to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $220. If you aren’t able to travel during the month of February, then book flights to Ontario from Salt Lake City during August instead. Flights to Ontario in August, while not as cheap as those in February, still average around $239.

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $278. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Salt Lake City to Ontario for around $369.

At noon is the cheapest time of day to fly from Salt Lake City to Ontario when you can find flight prices for as low as $97. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $339 on average. Flights to Ontario from Salt Lake City in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Salt Lake City to Ontario for the best Salt Lake City - Ontario flight prices

You are more likely to see cheaper flights to Ontario from Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Salt Lake City for as low as $213 on momondo.

No. A direct flight is the cheapest option for a flight between Salt Lake City to Ontario.

As of April 2026, prices for Salt Lake City to Ontario flights are approximately 241% more expensive when compared to flights at the same time last year.

Southwest and Delta are the most popular carriers operating from Salt Lake City to Ontario

Frontier, Delta and Breeze Airways are the top three most popular airlines that fly to Ontario from Salt Lake City according to our data. Frontier is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

As of April 2026, 6 flights take off from Salt Lake City and land in Ontario each day. The most common flight departure time for this route is 10:00PM, with 47% of daily flights taking off in the evening.

As of April 2026, 48 flights take off from Salt Lake City and land in Ontario each week. The most common flight departure day for this route is Wed, with 21% of weekly flights taking off on this day.