Cheap flights from Chicago to Tucson from $158

In general, September is the cheapest month to fly from Chicago to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $396. If you don’t want to visit Tucson in September, then you should wait until October to fly from Chicago, when ticket prices are also cheap, with an average price of $397.

According to our data, Tuesday is the cheapest day to fly to Tucson from Chicago. The lowest ticket price found for a Tuesday departure recently was $422. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Tucson for around $534.

In the afternoon is the cheapest time of day to fly from Chicago to Tucson when you can find flight prices for as low as $411. Flying to Tucson in the afternoon is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $476.

Fly from Chicago O'Hare Intl to Tucson for the best Chicago - Tucson flight prices

You are more likely to see cheaper flights to Tucson from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Tucson for around $455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tucson from Chicago for as low as $371 on momondo.

There are 4 cabin classes available to choose from on Chicago to Tucson 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 9% on your flight if you consider stops on a Chicago to Tucson flight.

As of August 2026, prices for Chicago to Tucson flights are approximately 15% cheaper when compared to flights at the same time last year.

Delta and United Airlines are the most popular carriers operating from Chicago to Tucson

Allegiant Air, American Airlines and United Airlines are the top three most popular airlines that fly to Tucson from Chicago according to our data. Allegiant Air is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Tucson. Keep in mind that there are 5 different airlines that fly to Tucson on a routine basis, so you have a few additional options to choose from.

9 flights are operational daily from Chicago to Tucson as of August 2026. The most popular departure time for this route is 9:00PM, with 88% of flights per day taking off in the evening.

The number of flights available between Chicago and Tucson is 65 per week as of August 2026. The most frequent departure day is Sat, with 18% of weekly flights leaving on this day.