Cheap flights from Chicago to Phoenix from $121

In general, January is the cheapest month to fly from Chicago to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $250. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of January, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $271.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Chicago is on a Saturday. momondo users have found tickets for Saturday departures for as low as $306. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $373. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

In the evening is the cheapest time of day to fly from Chicago to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $301. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $339. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Chicago for as low as $273 on momondo.

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

No. A direct flight is the cheapest option for a flight between Chicago to Phoenix Sky Harbor Intl Airport.

As of October 2026, prices for Chicago to Phoenix Sky Harbor Intl Airport flights are approximately 40% more expensive when compared to flights at the same time last year.

Southwest, United Airlines, and Delta are the most popular carriers operating from Chicago to Phoenix Sky Harbor Intl

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Chicago according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 8 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Chicago and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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 17% of their flights experiencing any sort of delay.

Des Moines (DSM) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $116.

Flights connecting via Des Moines (DSM) have the shortest average one-way travel time: 5h 57m.

Des Moines (DSM) has the shortest average layover time for this route: 1h 33m.

The number of flights available between Chicago and Phoenix Sky Harbor Intl Airport is 39 per day as of October 2026. The most frequent departure time is 3:00PM, with 38% of daily flights leaving in the afternoon.

As of October 2026, there are 275 flights per week flying from Chicago to Phoenix Sky Harbor Intl Airport. The most common day of the week flights depart is Sat, with 25% of flights taking off on this day.