Cheap flights from Phoenix Sky Harbor Intl Airport to Chicago from $127

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $211.

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 $387. 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 Phoenix Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $594.

Flying to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $380 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $473. 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 Phoenix Sky Harbor Intl - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $300 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 Phoenix Sky Harbor Intl Airport for as low as $268 on momondo.

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl Airport 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, Delta, and Alaska Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Phoenix and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

41 flights are operational daily from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport as of September 2026. The most popular departure time for this route is 8:00AM, with 55% of flights per day taking off at noon.

As of September 2026, 287 flights take off from Phoenix Sky Harbor Intl Airport and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.