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Cheap flights from Chicago to Phoenix Sky Harbor Intl Airport from £78

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHX
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Chicago to Phoenix Sky Harbor Intl are usually found in September or August, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 13 June 2025.

Round-trip from

£153

One-way from

£78

Popular in

March

Cheapest in

September

Average price

£204
United Airlines
  • United Airlines
  • 27/8-31/8
  • Nonstop
  • 7h 19m total
  • Chicago to Phoenix
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Spirit Airlines
  • Spirit Airlines
  • 14/10
  • 1 total stop
  • 21h 56m total
  • Chicago to Phoenix
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Chicago to Sky Harbor Intl

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 13 June 2025.

Wed 27/815:50ORD - PHX
Nonstop3h 49mUnited Airlines
Sun 31/816:00PHX - ORD
Nonstop3h 30mUnited Airlines
Deal found 11/6£153
Wed 3/914:07ORD - PHX
1 stop8h 13mHawaiian Airlines
Tue 9/910:50PHX - ORD
1 stop9h 14mHawaiian Airlines
Deal found 11/6£160
Wed 10/910:00ORD - PHX
1 stop9h 10mAlaska Airlines
Mon 15/908:04PHX - ORD
1 stop20h 59mAlaska Airlines
Deal found 11/6£165
Thu 7/816:20ORD - PHX
1 stop7h 40mSouthwest
Tue 12/816:50PHX - ORD
Nonstop3h 30mSouthwest
Deal found 11/6£168
Mon 14/718:21ORD - PHX
1 stop17h 47mSun Country Air
Sun 20/723:57PHX - ORD
1 stop15h 30mSun Country Air
Deal found 12/6£173
Fri 29/807:15ORD - PHX
1 stop8h 28mDelta
Sun 31/809:35PHX - ORD
1 stop5h 10mDelta
Deal found 13/6£174
Sun 27/705:20ORD - PHX
1 stop7h 30mFrontier
Sun 3/819:17PHX - ORD
1 stop23h 49mFrontier
Deal found 12/6£199
Sun 27/705:00ORD - PHX
Nonstop3h 35mAmerican Airlines
Sun 3/819:11PHX - ORD
Nonstop3h 37mAmerican Airlines
Deal found 12/6£205

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 13 June 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

Wed 27/8

15:50-17:39

Nonstop3h 49m

Phoenix Sky Harbor Intl

Sun 31/8

16:00-21:30

Nonstop3h 30m

£153

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 3/9

14:07-20:20

1 stop8h 13m

Phoenix Sky Harbor Intl

Tue 9/9

10:50-22:04

1 stop9h 14m

£160

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 10/9

10:00-17:10

1 stop9h 10m

Phoenix Sky Harbor Intl

Mon 15/9

08:04-07:03

1 stop20h 59m

£165

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 7/8

16:20-22:00

1 stop7h 40m

Phoenix Sky Harbor Intl

Tue 12/8

16:50-22:20

Nonstop3h 30m

£168

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Mon 14/7

18:21-10:08

1 stop17h 47m

Phoenix Sky Harbor Intl

Sun 20/7

23:57-17:27

1 stop15h 30m

£173

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 29/8

07:15-13:43

1 stop8h 28m

Phoenix Sky Harbor Intl

Sun 31/8

09:35-16:45

1 stop5h 10m

£174

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 27/7

05:20-10:50

1 stop7h 30m

Phoenix Sky Harbor Intl

Sun 3/8

19:17-21:06

1 stop23h 49m

£199

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 27/7

05:00-06:35

Nonstop3h 35m

Phoenix Sky Harbor Intl

Sun 3/8

19:11-00:48

Nonstop3h 37m

£205

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 14/10

15:21-11:17

1 stop21h 56m

£78

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 12/8

07:00-13:16

1 stop8h 16m

£80

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 17 results
1
2

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 9 June 2025.

The best time to book flights from Chicago to Phoenix Sky Harbor Intl Airport is 39 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 £729). Flying from Chicago to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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 13 June 2025.

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

Weekly flight availability from Chicago to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Chicago to Sky Harbor Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from CHI to PHX are scheduled on a Thursday (64 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 28.0 inches per month. July is typically the wettest month, when rainfall can reach 28.0 mm. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 mm.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 35.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 13.0 C).

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Chicago to Phoenix by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very Good
4,287 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,950 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Chicago to Phoenix Sky Harbor Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Phoenix Sky Harbor Intl Airport, with prices starting at £153. Additional return tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at £160 and £165, respectively. These flights start at 22% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Phoenix Sky Harbor Intl Airport one-way?

    One-way options have recently been found by users for as low as £78 on Spirit Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from £80 and Alaska Airlines from £85 one-way.

  • 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: Austrian Airlines (92%), Brussels Airlines (92%), Air Canada (89%).

  • 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 £729). Flying from Chicago to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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

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Goodyear
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Alternative routes for Chicago to Sky Harbor Intl

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O'Hare Intl to Sky Harbor Intl flights

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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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