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Cheap flights from Chicago to Phoenix Sky Harbor Intl Airport from £65

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHX
30 Nov — 7 Dec1
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 Tuesday or Monday and return on a Monday

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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 31 October 2025.

Wed 3/1216:05ORD - PHX
Nonstop3h 58mUnited Airlines
Wed 10/1208:30PHX - ORD
Nonstop3h 28mUnited Airlines
Deal found 29/10£151
Wed 10/1211:15ORD - PHX
Nonstop4h 00mUnited Airlines
Sun 11/108:10PHX - ORD
Nonstop3h 35mUnited Airlines
Deal found 29/10£152
Sat 13/1215:05ORD - PHX
Nonstop3h 55mSouthwest
Thu 25/1209:05PHX - ORD
Nonstop3h 25mSouthwest
Deal found 29/10£154
Sun 14/1221:52ORD - PHX
Nonstop3h 54mMultiple Airlines
Sat 20/1200:59PHX - ORD
1 stop7h 09mMultiple Airlines
Deal found 30/10£156
Fri 12/1219:55ORD - PHX
Nonstop4h 02mUnited Airlines
Tue 16/1215:38PHX - ORD
Nonstop3h 29mUnited Airlines
Deal found 28/10£158
Thu 11/1212:50ORD - PHX
Nonstop3h 58mUnited Airlines
Sun 11/115:50PHX - ORD
Nonstop3h 32mUnited Airlines
Deal found 29/10£159
Wed 17/1215:05ORD - PHX
1 stop9h 54mAlaska Airlines
Wed 24/1218:51PHX - ORD
1 stop17h 25mAlaska Airlines
Deal found 30/10£164
Wed 17/1206:00ORD - PHX
1 stop9h 00mDelta
Tue 23/1200:59PHX - ORD
1 stop7h 26mDelta
Deal found 30/10£165
Sat 13/1215:05ORD - PHX
1 stop9h 54mAlaska Airlines
Wed 17/1215:55PHX - ORD
1 stop6h 55mAlaska Airlines
Deal found 30/10£165
Sat 13/1208:50ORD - PHX
1 stop6h 10mDelta
Mon 15/1200:59PHX - ORD
1 stop6h 41mDelta
Deal found 29/10£166

Cheap 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 31 October 2025.

Round-trip from

£127

One-way from

£65

Popular in

March

Cheapest in

August

Average price

£203
Frontier
  • Frontier
  • 15/1-19/1
  • 1 total stop
  • 12h 26m total
  • Chicago to Phoenix
Search Deals
Frontier
  • Frontier
  • 1/3
  • 1 total stop
  • 11h 13m total
  • Chicago to Phoenix
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£8 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 October 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 31 October 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 27/11

13:14-19:54

1 stop7h 40m

Phoenix Sky Harbor Intl

Tue 2/12

23:55-08:04

1 stop7h 09m

£173

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 31/12

17:31-23:53

1 stop7h 22m

Phoenix Sky Harbor Intl

Tue 6/1

13:01-21:42

1 stop7h 41m

£173

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 3/12

13:00-21:05

2 stops9h 05m

Phoenix Sky Harbor Intl

Wed 10/12

05:00-12:15

1 stop6h 15m

£199

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 14/12

09:25-12:32

Nonstop4h 07m

Phoenix Sky Harbor Intl

Sun 14/12

17:00-00:15

1 stop6h 15m

£203

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 25/12

07:15-10:15

Nonstop4h 00m

Phoenix Sky Harbor Intl

Mon 29/12

13:51-18:25

Nonstop3h 34m

£203

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 17/12

05:30-12:13

1 stop7h 43m

Phoenix Sky Harbor Intl

Sat 20/12

00:59-09:25

1 stop7h 26m

£203

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 12/12

11:48-09:38

1 stop22h 50m

Phoenix Sky Harbor Intl

Sat 20/12

00:59-18:50

1 stop16h 51m

£204

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 14/1

18:43-23:52

1 stop6h 09m

Phoenix Sky Harbor Intl

Mon 19/1

12:05-23:53

1 stop10h 48m

£205

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Mon 15/12

08:55-15:08

1 stop7h 13m

Phoenix Sky Harbor Intl

Thu 1/1

01:08-09:25

1 stop7h 17m

£210

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 10/2

13:45-22:20

2 stops9h 35m

Phoenix Sky Harbor Intl

Sat 14/2

05:25-13:00

1 stop6h 35m

£215

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 21 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 24 October 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, February is the cheapest month in which you can book a flight from Chicago to Phoenix Sky Harbor Intl Airport (average of £63). Flying from Chicago to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £134). 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 31 October 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 52% 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?

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 3h 55m. Fly via Southwest, Alaska Airlines, or Delta to get the fastest option. The distance from Chicago to Phoenix Sky Harbor Intl Airport is about 1436 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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: Finnair (85%), United Airlines (84%), SWISS (82%).

  • 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, February is the cheapest month in which you can book a flight from Chicago to Phoenix Sky Harbor Intl Airport (average of £63). Flying from Chicago to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £134). 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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How does Cheapflights help users find flights from Chicago to Sky Harbor Intl?

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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