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Cheap flights from Chicago to Phoenix Sky Harbor Intl Airport from £74

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHX
13 Jul — 20 Jul1
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 8 July 2025.

Round-trip from

£130

One-way from

£74

Popular in

March

Cheapest in

September

Average price

£177
Southwest
  • Southwest
  • 14/8-18/8
  • Nonstop
  • 7h 15m total
  • Chicago to Phoenix
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Alaska Airlines
  • Alaska Airlines
  • 11/8
  • 1 total stop
  • 29h 12m total
  • Chicago to Phoenix
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£12 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 July 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 8 July 2025.

Thu 14/815:10ORD - PHX
Nonstop3h 45mSouthwest
Mon 18/816:50PHX - ORD
Nonstop3h 30mSouthwest
Deal found 7/7£130
Tue 30/909:15ORD - PHX
Nonstop3h 50mUnited Airlines
Sat 4/1013:36PHX - ORD
1 stop5h 54mUnited Airlines
Deal found 7/7£131
Tue 9/906:10ORD - PHX
1 stop11h 49mDelta
Mon 15/913:50PHX - ORD
1 stop8h 05mDelta
Deal found 7/7£134
Thu 7/806:00ORD - PHX
1 stop19h 54mAlaska Airlines
Thu 14/806:00PHX - ORD
1 stop15h 59mAlaska Airlines
Deal found 7/7£140
Wed 20/818:55ORD - PHX
Nonstop3h 54mAmerican Airlines
Wed 27/815:25PHX - ORD
Nonstop3h 32mAmerican Airlines
Deal found 6/7£147
Fri 8/807:00ORD - PHX
1 stop8h 16mHawaiian Airlines
Mon 11/814:16PHX - ORD
1 stop7h 23mHawaiian Airlines
Deal found 8/7£149
Wed 20/807:20ORD - PHX
1 stop5h 41mMultiple Airlines
Wed 27/813:54PHX - ORD
1 stop8h 05mMultiple Airlines
Deal found 6/7£164

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 8 July 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 14/8

15:10-16:55

Nonstop3h 45m

Phoenix Sky Harbor Intl

Mon 18/8

16:50-22:20

Nonstop3h 30m

£130

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 30/9

09:15-11:05

Nonstop3h 50m

Phoenix Sky Harbor Intl

Sat 4/10

13:36-21:30

1 stop5h 54m

£131

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 9/9

06:10-15:59

1 stop11h 49m

Phoenix Sky Harbor Intl

Mon 15/9

13:50-23:55

1 stop8h 05m

£134

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 7/8

06:00-23:54

1 stop19h 54m

Phoenix Sky Harbor Intl

Thu 14/8

06:00-23:59

1 stop15h 59m

£140

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 20/8

18:55-20:49

Nonstop3h 54m

Phoenix Sky Harbor Intl

Wed 27/8

15:25-20:57

Nonstop3h 32m

£147

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 8/8

07:00-13:16

1 stop8h 16m

Phoenix Sky Harbor Intl

Mon 11/8

14:16-23:39

1 stop7h 23m

£149

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 20/8

07:20-11:01

1 stop5h 41m

Phoenix Sky Harbor Intl

Wed 27/8

13:54-23:59

1 stop8h 05m

£164

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Mon 11/8

20:42-23:54

1 stop29h 12m

£74

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 6/11

09:20-16:00

1 stop7h 40m

£76

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 8/8

09:05-15:09

1 stop8h 04m

£77

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 15 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 27 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 8 July 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 8 July 2025.

The most flights from CHI to PHX are scheduled on a Monday (63 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (40 on average).

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

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 8 July 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, andDelta from Chicago to Phoenix Sky Harbor Intl Airport 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

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

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

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

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
4,258 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

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
7,962 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

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
7.8
Good
2,552 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

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
8,844 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

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 Southwest is currently your cheapest option to Phoenix Sky Harbor Intl Airport, with prices starting at £130. Additional return tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at £131 and £134, respectively. These flights start at 34% 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 £74 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from £76 and United Airlines from £77 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: United Airlines (89%), Brussels Airlines (89%), Air Canada (87%).

  • 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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Alternative routes for Chicago to Sky Harbor Intl

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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.

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

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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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