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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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHX
1 May — 8 May1
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 60 days in advance, depart on a Tuesday or Monday and return on a Monday

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 1 April 2026.

Thu 16/407:50
ORD
-
PHX
Nonstop4h 22m
Frontier
Wed 22/420:07
PHX
-
ORD
1 stop8h 01m
Frontier
Deal found 28/3£135
Sun 26/407:50
ORD
-
PHX
Nonstop4h 22m
Frontier
Mon 4/511:19
PHX
-
ORD
Nonstop3h 41m
Frontier
Deal found 28/3£136
Sat 18/415:55
ORD
-
PHX
Nonstop4h 03m
United Airlines
Tue 21/407:00
PHX
-
ORD
Nonstop3h 36m
United Airlines
Deal found 26/3£138
Sat 25/405:50
ORD
-
PHX
1 stop7h 51m
Frontier
Wed 6/511:00
PHX
-
ORD
1 stop7h 37m
Frontier
Deal found 28/3£138
Sat 25/405:50
ORD
-
PHX
1 stop7h 51m
Frontier
Tue 5/519:55
PHX
-
ORD
1 stop8h 44m
Frontier
Deal found 28/3£139
Thu 16/407:50
ORD
-
PHX
Nonstop4h 22m
Frontier
Tue 21/420:07
PHX
-
ORD
1 stop8h 01m
Frontier
Deal found 28/3£140
Mon 13/412:50
ORD
-
PHX
1 stop13h 21m
Frontier
Fri 24/422:29
PHX
-
ORD
1 stop11h 04m
Frontier
Deal found 28/3£141
Fri 17/405:21
ORD
-
PHX
1 stop8h 28m
Frontier
Fri 24/411:19
PHX
-
ORD
Nonstop3h 41m
Frontier
Deal found 28/3£142
Mon 13/414:29
ORD
-
PHX
1 stop7h 45m
Frontier
Thu 23/411:19
PHX
-
ORD
Nonstop3h 41m
Frontier
Deal found 28/3£143
Sat 25/405:50
ORD
-
PHX
1 stop7h 51m
Frontier
Mon 11/508:40
PHX
-
ORD
1 stop9h 57m
Frontier
Deal found 28/3£145
Thu 7/518:15
ORD
-
PHX
1 stop5h 55m
Southwest
Wed 13/518:30
PHX
-
ORD
Nonstop3h 25m
Southwest
Deal found 26/3£145

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 1 April 2026.

Round-trip from

£135

One-way from

£74

Popular in

March

Cheapest in

August

Average price

£202

Good round-trip deal

£389 or less

Good one-way deal

£101 or less
Frontier
  • Frontier
  • 13/4-24/4
  • 1 total stop
  • 17h 02m total
  • Chicago to Phoenix
Search Deals
Southwest
  • Southwest
  • 6/5
  • 2 total stops
  • 9h 35m 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. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Phoenix Sky Harbor Intl.
Search Deals

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 1 April 2026.
Use the filters below to find and compare flights from Chicago to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 21/4

11:55-19:55

2 stops10h 00m

Phoenix Sky Harbor Intl

Fri 1/5

05:45-13:55

1 stop6h 10m

£186
Fastest return journey

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 7/5

19:20-21:15

Nonstop3h 55m

Phoenix Sky Harbor Intl

Sat 9/5

16:55-22:20

Nonstop3h 25m

£190

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 13/6

21:28-23:22

Nonstop3h 54m

Phoenix Sky Harbor Intl

Sat 20/6

17:49-23:31

Nonstop3h 42m

£193

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 28/4

19:15-21:10

Nonstop3h 55m

Phoenix Sky Harbor Intl

Tue 5/5

13:25-18:50

Nonstop3h 25m

£193

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 22/5

21:28-23:22

Nonstop3h 54m

Phoenix Sky Harbor Intl

Tue 26/5

16:21-00:44

1 stop6h 23m

£203

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 16/5

07:00-08:55

Nonstop3h 55m

Phoenix Sky Harbor Intl

Sun 17/5

17:50-09:45

1 stop13h 55m

£207

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 26/5

21:28-23:22

Nonstop3h 54m

Phoenix Sky Harbor Intl

Tue 2/6

10:06-20:35

1 stop8h 29m

£210

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 27/5

21:42-23:36

Nonstop3h 54m

Phoenix Sky Harbor Intl

Tue 2/6

10:06-20:35

1 stop8h 29m

£210

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 12/5

11:55-19:55

2 stops10h 00m

Phoenix Sky Harbor Intl

Wed 13/5

13:10-22:55

2 stops7h 45m

£216

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 28/5

21:28-23:22

Nonstop3h 54m

Phoenix Sky Harbor Intl

Sat 30/5

17:49-23:31

Nonstop3h 42m

£219

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 24 resultsSorted by cheapest first
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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 13 March 2026.

The best time to book flights from Chicago to Phoenix Sky Harbor Intl Airport is 60 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 £48). Flying from Chicago to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £133). 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 1 April 2026.

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 70% on the cost of your flight, compared to a flight at midday.

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 1 April 2026.

The most flights from CHI to PHX are scheduled on a Wednesday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

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 17% of weekly flights between Chicago and Phoenix have experienced delays in the past year, with the average delay time being 143 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 Sunday 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 14% 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 3h 54m. Fly via Southwest or United Airlines 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: Austrian Airlines (88%), United Airlines (84%), Air Canada (83%).

  • What are the cheapest flights from Chicago to Phoenix Sky Harbor Intl Airport?

    While on average a flight from Chicago to Phoenix Sky Harbor Intl Airport is generally £245, our data shows the cheapest flight currently is £101. When looking at the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl), you can expect to pay £151 for that flight.

  • 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 £48). Flying from Chicago to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £133). 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
Glendale
Chandler

Browse thousands of different options on Cheapflights for your next trip

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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

Fly with Cheapflights

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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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