Cheap flights from Illinois to Utah from $59

The cheapest month to fly to Utah from Illinois is in August. Flight prices, which tend to average around $342, are often lower during this time because this is during the off-season. If you aren’t able to travel to Utah during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $355.

The cheapest day to depart on your flight to Utah is on a Saturday when prices can be found for as low as $374. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Utah is Sunday, with ticket prices averaging around $485.

Our data shows that the cheapest Illinois to Utah flights are usually those with departure times in the afternoon. Our users have found flights to Utah in the afternoon for as low as $362. Flights to Utah are more costly in the morning, with an average ticket price of $434. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Utah from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Utah for around $414 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Utah from Illinois for as low as $349 on momondo.

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

Southwest, United Airlines, and Delta are the most popular carriers operating from Illinois to Utah

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Utah from Illinois according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Utah. Keep in mind that there are 5 different airlines that fly to Utah on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 35 flights per day flying from Illinois to Utah. The most common time of day flights depart is 7:00AM, with 39% of flights taking off at noon.

As of February 2026, 246 flights take off from Illinois and land in Utah each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.