Find Cheapest Airlines Flying from Chicago to Phoenix

Choose from 2 carriers that fly from Chicago to Phoenix, including Frontier Airlines, American Airlines, Enjoy the cheapest tickets on this route with Frontier Airlines.
Frontier Airlines logo Frontier Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Chicago to Phoenix according to previous 12 months data from Trip.com.

Explore the cheapest flights from Chicago to Phoenix in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 40, and round-trip direct tickets start at AU$ 80.

Displayed flight fares from Chicago to Phoenix are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Chicago to Phoenix Flight Details

The distance between Chicago and Phoenix is approximately 2,333.08km. It takes around 4 hours 5 minutes on average to fly from Chicago to Phoenix. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceAU$ 40
Cheapest return ticket priceAU$ 80
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,333.08km
Average flight time4 hours 5 minutes
Popular airlineFrontier Airlines
Flight statistics for the Chicago–Phoenix route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Chicago to Phoenix

What is the cheapest month for one-way flights from Chicago to Phoenix?

Average price of one-way flights from Chicago to Phoenix purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Chicago to Phoenix is Feb, with an average price of AU$ 154. Conversely, the most expensive month is typically Dec, with an average price of up to AU$ 368.

AU$ 368
AU$ 261
AU$ 154
AU$ 47
  • AU$ 154
    Feb
  • AU$ 243
    Mar
  • AU$ 219
    Apr
  • AU$ 226
    May
  • AU$ 266
    Jun
  • AU$ 303
    Jul
  • AU$ 280
    Aug
  • AU$ 237
    Sep
  • AU$ 317
    Oct
  • AU$ 256
    Nov
  • AU$ 368
    Dec
  • AU$ 230
    Jan

What's the cheapest day to fly from Chicago to Phoenix?

Data is based on the average flight price for each day of the week from Chicago to Phoenix on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Chicago to Phoenix is Sat, with average prices lower than on other days. Avoid Tue, as prices are usually highest then.

AU$ 311
AU$ 241
AU$ 171
AU$ 101
    Cheapest
  • AU$ 210
    Mon
  • AU$ 311
    Tue
  • AU$ 240
    Wed
  • AU$ 269
    Thu
  • AU$ 284
    Fri
  • AU$ 171
    Sat
  • AU$ 254
    Sun

Flight FAQs

  • Which airlines offer the cheapest flights from Chicago (CHI) to Phoenix (PHX)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as AU$ 40 on Cheapest nonstop routes (e.g. ORD to PHX on Fri, Mar 13), while Frontier Airlines offers Cheapest nonstop round-trips from AU$ 80 departing on Thu, Mar 5 and returning on Sun, Mar 8.
  • At the moment, you can catch a direct flight from Chicago to Phoenix with the following airlines, including: Frontier Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 4 hours 5 minutes to fly from Chicago (CHI) to Phoenix (PHX).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Phoenix is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 90 flight per week flying from Chicago to Phoenix. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA3172 (07:26)
  • To find best deals on flights from Chicago to Phoenix, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Mar 13, with one-way flights priced at just AU$ 40.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Phoenix travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Phoenix is November, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Chicago to Phoenix on February 17, 2026 with Frontier Airlines, with prices starting at AU$ 42.
  • You can land at any one of the following hubs in Phoenix, with O'Hare International Airport to Phoenix Sky Harbor International Airport (ORD-PHX) is by far the most common option on this route: Mesa Gateway Airport (AZA) Falcon Field Airport (MSC) Phoenix Sky Harbor International Airport (PHX) Scottsdale Airport (SCF).
  • The time difference between Phoenix and Chicago is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Chicago toPhoenix

Which airlines offer the cheapest nonstop flights from Chicago to Phoenix?

Data is based on the average price of all nonstop flights from Chicago to Phoenix on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Frontier Airlines offers the cheapest nonstop flights from Chicago to Phoenix, with an average price of AU$ 224.

AU$ 127
AU$ 224
AU$ 322
AU$ 419
AU$ 516
Frontier Airlines
AU$ 224
Frontier Airlines
Hawaiian Airlines
AU$ 234
Hawaiian Airlines
Delta Air Lines
AU$ 239
Delta Air Lines
American Airlines
AU$ 394
American Airlines
United Airlines
AU$ 516
United Airlines

Which airlines operate the most flights from Chicago to Phoenix?

Data is based on the number of flights from Chicago to Phoenix operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, American Airlines operates the most flights from Chicago to Phoenix, with 52 flight per week.

1
18
35
52
American Airlines
52
American Airlines
Air Canada
38
Air Canada
United Airlines
38
United Airlines
Aer Lingus
23
Aer Lingus
Volaris
18
Volaris

How many flights are there each day from Chicago to Phoenix?

The data is based on the flight numbers for each day of the week from Chicago to Phoenix within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Chicago to Phoenix depart on Friday, and the fewest flights depart on Tuesday.

231
192
152
113
Highest
171
Mon
152
Tue
156
Wed
175
Thu
231
Fri
188
Sat
193
Sun