Cheap Flights from Chicago to Phoenix from AU$ 40

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.

• Which airlines offer direct flights from Chicago to Phoenix?

  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.

• How long is the flights from Chicago (CHI) to Phoenix (PHX)?

  It takes about 4 hours 5 minutes to fly from Chicago (CHI) to Phoenix (PHX).

• When is the best time to book flights from Chicago to Phoenix?

  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.

• How many flights are there per week from Chicago to Phoenix?

  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)

• How can I find the best deals on flights from Chicago to Phoenix?

  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.

• When is the best time to book a flight from Chicago to Phoenix to get the best price?

  The cheapest months to fly from Chicago to Phoenix is November, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Chicago to Phoenix?

  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.

• Which airports can I fly through when travelling to Phoenix from Chicago?

  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).

• What is the time difference between Chicago and Phoenix?

  The time difference between Phoenix and Chicago is 1h.

• How can I change or cancel my flight ticket from Chicago to Phoenix?

  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.