Cheap flights from Arizona to Chicago from $110

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Arizona averaging around $227.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Arizona because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $604.

Flying to Chicago O'Hare Intl Airport from Arizona in the evening is the least expensive time of day to depart. momondo users have found prices as low as $394 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $472. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Phoenix Sky Harbor Intl to Chicago O'Hare Intl for the best Arizona - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Arizona for as low as $278 on momondo.

There are 4 cabin classes available to choose from on Arizona to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, American Airlines, and Delta are the most popular carriers operating from Arizona to Chicago O'Hare Intl

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Arizona according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 5 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

24 flights are operational daily from Arizona to Chicago O'Hare Intl Airport as of October 2026. The most popular departure time for this route is 10:00AM, with 41% of flights per day taking off at noon.

As of October 2026, there are 172 flights per week flying from Arizona to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Wed, with 35% of flights taking off on this day.