Cheap flights from Ontario to Salt Lake City from $61

In general, August is the cheapest month to fly from Ontario to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $239. If you are unable to visit Salt Lake City during the month of August, then departing from Ontario during the month January is also very affordable. Most momondo users find prices during this month for around $259.

On average, the least expensive day to fly to Salt Lake City from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $334. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Monday is $418.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the morning. Flights from Ontario to Salt Lake City during this time can be as low as $359. In the afternoon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $378 per ticket.

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

You are more likely to see cheaper flights to Salt Lake City from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $296 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from Ontario for as low as $216 on momondo.

There are 4 cabin classes available to choose from on Ontario to Salt Lake City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 1% on your flight if you consider stops on a Ontario to Salt Lake City flight.

As of March 2026, prices for Ontario to Salt Lake City flights are approximately 80% more expensive when compared to flights at the same time last year.

Southwest is the most popular carrier operating from Ontario to Salt Lake City

Delta, Frontier and Allegiant Air are the top three most popular airlines that fly to Salt Lake City from Ontario according to our data. Delta is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 7 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $197.

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 4h 06m.

Las Vegas (LAS) has the shortest average layover time for this route: 1h 22m.

4 flights are operational daily from Ontario to Salt Lake City as of March 2026. The most popular departure time for this route is 6:00AM, with 67% of flights per day taking off at noon.

As of March 2026, 28 flights take off from Ontario and land in Salt Lake City each week. The most common flight departure day for this route is Sun, with 21% of weekly flights taking off on this day.