Cheap flights from Illinois to Salt Lake City from $142

In general, September is the cheapest month to fly from Illinois to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $432. If you are unable to visit Salt Lake City during the month of September, then departing from Illinois during the month November is also very affordable. Most momondo users find prices during this month for around $435.

On average, the least expensive day to fly to Salt Lake City from Illinois is on a Saturday. momondo users have found tickets for Saturday departures for as low as $429. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $511.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the afternoon. Flights from Illinois to Salt Lake City during this time can be as low as $434. In the morning is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $473 per ticket.

Fly from Chicago O'Hare Intl to Salt Lake City for the best Illinois - Salt Lake City flight prices

You are more likely to see cheaper flights to Salt Lake City from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $461 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 Illinois for as low as $403 on momondo.

There are 4 cabin classes available to choose from on Illinois 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.

Delta, Frontier, and Southwest are the most popular carriers operating from Illinois to Salt Lake City

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Salt Lake City from Illinois according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 5 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 25 flights per day flying from Illinois to Salt Lake City. The most common time of day flights depart is 9:00PM, with 39% of flights taking off in the evening.

As of October 2026, there are 178 flights per week flying from Illinois to Salt Lake City. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.