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Cheap flights from Chicago to Phoenix Sky Harbor Intl Airport from £66

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHX
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Chicago to Phoenix Sky Harbor Intl are usually found in August or September, booked 74 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Chicago to Sky Harbor Intl

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Sky Harbor Intl
Explore the most affordable flight options available from Chicago to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 December 2025.

Wed 31/1219:55ORD - PHX
Nonstop4h 03mUnited Airlines
Wed 7/112:28PHX - ORD
Nonstop3h 32mUnited Airlines
Deal found 14/12£169
Wed 31/1219:55ORD - PHX
Nonstop4h 03mUnited Airlines
Tue 20/115:35PHX - ORD
1 stop6h 23mUnited Airlines
Deal found 16/12£190
Wed 31/1219:55ORD - PHX
Nonstop4h 03mUnited Airlines
Mon 5/117:10PHX - ORD
1 stop6h 03mUnited Airlines
Deal found 15/12£206
Wed 24/1213:00ORD - PHX
1 stop6h 40mSouthwest
Thu 1/109:05PHX - ORD
Nonstop3h 25mSouthwest
Deal found 14/12£214
Wed 31/1219:55ORD - PHX
Nonstop4h 03mUnited Airlines
Sat 10/110:22PHX - ORD
Nonstop3h 33mUnited Airlines
Deal found 14/12£222
Wed 24/1215:35ORD - PHX
Nonstop4h 03mUnited Airlines
Thu 8/110:22PHX - ORD
Nonstop3h 33mUnited Airlines
Deal found 16/12£228
Wed 31/1219:55ORD - PHX
Nonstop4h 03mUnited Airlines
Tue 6/113:57PHX - ORD
Nonstop3h 32mUnited Airlines
Deal found 15/12£230
Wed 31/1219:55ORD - PHX
Nonstop4h 03mUnited Airlines
Sun 11/108:10PHX - ORD
Nonstop3h 35mUnited Airlines
Deal found 14/12£236

Find flight deals from Chicago to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 December 2025.

Round-trip from

£128

One-way from

£66

Popular in

March

Cheapest in

August

Average price

£243
United Airlines
  • United Airlines
  • 28/2-28/2
  • Nonstop
  • 7h 39m total
  • Chicago to Phoenix
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United Airlines
  • United Airlines
  • 1/1
  • Nonstop
  • 4h 02m total
  • Chicago to Phoenix
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Chicago to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 December 2025.
Use the filters below to find and compare flights from Chicago to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Chicago

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 29/1

15:44-23:22

1 stop8h 38m

Phoenix Sky Harbor Intl

Mon 2/2

20:07-14:29

1 stop17h 22m

£147

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 28/1

09:00-19:25

1 stop11h 25m

Phoenix Sky Harbor Intl

Tue 3/2

08:24-23:37

1 stop14h 13m

£147

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 6/1

08:39-15:59

1 stop8h 20m

Phoenix Sky Harbor Intl

Tue 13/1

15:45-23:37

1 stop6h 52m

£154

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 24/1

08:00-17:53

1 stop10h 53m

Phoenix Sky Harbor Intl

Sat 31/1

15:45-23:37

1 stop6h 52m

£154

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 4/3

15:07-23:42

1 stop9h 35m

Phoenix Sky Harbor Intl

Sat 14/3

05:00-16:33

1 stop9h 33m

£162

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 8/1

15:44-23:22

1 stop8h 38m

Phoenix Sky Harbor Intl

Sun 11/1

08:24-23:37

1 stop14h 13m

£177

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 11/2

09:00-19:25

1 stop11h 25m

Phoenix Sky Harbor Intl

Fri 13/2

06:00-16:33

1 stop9h 33m

£178

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 7/1

16:25-19:25

Nonstop4h 00m

Phoenix Sky Harbor Intl

Sun 11/1

09:05-13:30

Nonstop3h 25m

£185

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 5/2

15:44-23:22

1 stop8h 38m

Phoenix Sky Harbor Intl

Sun 8/2

08:24-14:29

1 stop29h 05m

£186

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 15/1

15:44-23:22

1 stop8h 38m

Phoenix Sky Harbor Intl

Sun 18/1

08:24-23:37

1 stop14h 13m

£190

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 24 results
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Best time to book a flight from Chicago to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Chicago with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Chicago to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a return flight from Chicago to Sky Harbor Intl. Price data was last updated on 12 December 2025.

The best time to book flights from Chicago to Phoenix Sky Harbor Intl Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Chicago to Phoenix Sky Harbor Intl Airport (average of £53). Flying from Chicago to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £131). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to PHX?

Find hourly flight availability from Chicago to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 December 2025.

It’s optimal to fly from Chicago to Phoenix Sky Harbor Intl Airport in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from Chicago to Phoenix Sky Harbor Intl Airport?

How often are flights from Chicago to Phoenix delayed?

About 15% of weekly flights between Chicago and Phoenix have experienced delays in the past year, with the average delay time being 141 minutes.

What is the most punctual flight time for Chicago to Phoenix flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Phoenix flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Phoenix Sky Harbor Intl Airport?

    There are many flights that can get you from Chicago to Phoenix Sky Harbor Intl Airport in 8h 38m. Fly via Alaska Airlines to get the fastest option. The distance from Chicago to Phoenix Sky Harbor Intl Airport is about 1436 mi.

  • What are the most reliable airlines from Chicago to Phoenix Sky Harbor Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Phoenix Sky Harbor Intl Airport on time: American Airlines (81%), Aer Lingus (79%), Japan Airlines (78%).

  • Can I find deals for flights from Chicago to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Chicago to Sky Harbor Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sky Harbor Intl.

  • Can I find deals for business class flights from Chicago to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Chicago to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Phoenix Sky Harbor Intl Airport (average of £53). Flying from Chicago to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £131). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Chandler

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Alternative routes for Chicago to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sky Harbor Intl flights

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Cheapflights makes it easy to find Chicago to Sky Harbor Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Sky Harbor Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Chicago to Sky Harbor Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Chicago to Sky Harbor Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Chicago to Sky Harbor Intl with no change fees.

Can Cheapflights notify me if prices for flights from Chicago to Sky Harbor Intl become cheaper?

Yes, Cheapflights offers price alerts on Chicago to Sky Harbor Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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