Cheap flights from Chicago to Phoenix

One-way fares from $58 · CHI → PHX · prices found by travellers in the last 48 hours

Compare all dates Phoenix → Chicago
Cheapest fare
$58

Frontier Airlines · Thu, Dec 10

Cheapest month
December

from $58

Direct flights
Yes

Allegiant Air and Frontier Airlines

Flight time
3h 31m

2,340 km

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Cheapest month to fly from Chicago to Phoenix

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $139
  2. December 2026 Cheapest $58

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart11:38 Thu, Dec 10ORD → PHX 4h 03m · Direct
$58one way, per person
View deal
Allegiant Air
Depart16:01 Wed, Dec 9RFD → AZA 3h 44m · Direct
$65one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Phoenix

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in PhoenixCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in PhoenixTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in PhoenixPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in PhoenixCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Chicago to Phoenix

Chicago (CHI) and Phoenix (PHX) are about 2,340 km apart. Direct flights take around 3h 31m, and recent direct fares were with Allegiant Air and Frontier Airlines. Over the next few months, one-way fares start from $58, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Chicago to Phoenix?

The cheapest one-way fare we've seen recently is $58 with Frontier Airlines, departing Thursday, December 10, 2026. Over the coming months, the lowest fare in each month ranges from $58 to $139.

What is the cheapest month to fly from Chicago to Phoenix?

December 2026 currently has the lowest fares, from $58 one way.

Are there direct flights from Chicago to Phoenix?

Yes. Recent direct fares were with Allegiant Air and Frontier Airlines.

How long is the flight from Chicago to Phoenix?

A direct flight takes about 3h 31m. Chicago and Phoenix are around 2,340 km apart.

Which airlines fly from Chicago to Phoenix?

Recent fares on this route were with Allegiant Air and Frontier Airlines.

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