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Sky Harbor Intl

$80+ Cheap flights from Illinois to Sky Harbor Intl (PHX)

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap flight deals from Illinois to Sky Harbor Intl

Keep the following information in mind while searching for Illinois to Sky Harbor Intl flight deals. Data was last updated marzo 28, 2025.

Round-trip from

$156
(Cheapflightsfares)

One-way from

$80
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$342

Good round-trip deal

$201 or less

Good one-way deal

$143 or less
From Illinois to Phoenix Sky Harbor Intl
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One-way flight from Illinois to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Illinois to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Illinois to Phoenix Sky Harbor Intl.
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Find flight deals from Illinois to Sky Harbor Intl

Cheapest flights from Illinois to Sky Harbor Intl
Explore the most affordable flight options available from Illinois to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/78:09 amORD - PHX
1 stop8h 58mSpirit Airlines
vie. 4/115:46 pmPHX - ORD
1 stop12h 49mSpirit Airlines
Deal found 3/26$153
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1911:53 amORD - PHX
1 stop6h 48mMultiple Airlines
sáb. 4/267:00 amPHX - ORD
Nonstop3h 29mMultiple Airlines
Deal found 3/26$154
This Cheapflightsfares deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/169:17 pmMDW - PHX
Nonstop4h 01mFrontier
mar. 4/226:00 amPHX - MDW
Nonstop3h 21mFrontier
Deal found 3/26$156
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/164:26 pmORD - PHX
Nonstop4h 08mFrontier
sáb. 4/1912:33 pmPHX - ORD
Nonstop3h 34mFrontier
Deal found 3/27$156
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/38:35 pmMDW - PHX
Nonstop3h 45mSouthwest
mié. 5/76:30 pmPHX - MDW
Nonstop3h 20mSouthwest
Deal found 3/27$179
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/269:15 amORD - PHX
Nonstop4h 06mUnited Airlines
sáb. 5/36:00 amPHX - ORD
Nonstop3h 31mUnited Airlines
Deal found 3/27$179
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/107:06 amORD - PHX
Nonstop3h 54mAmerican Airlines
sáb. 5/1711:45 pmPHX - ORD
Nonstop3h 28mAmerican Airlines
Deal found 3/26$180
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/66:00 amORD - PHX
1 stop10h 12mAlaska Airlines
sáb. 5/109:00 amPHX - ORD
1 stop8h 10mAlaska Airlines
Deal found 3/26$207
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/243:37 pmPIA - PHX
1 stop8h 42mAmerican Airlines
mar. 6/242:05 pmPHX - PIA
1 stop7h 54mAmerican Airlines
Deal found 3/27$209
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/194:00 pmMDW - PHX
1 stop6h 42mDelta
sáb. 4/266:00 amPHX - MDW
1 stop6h 22mDelta
Deal found 3/27$237
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/96:00 amORD - PHX
1 stop6h 12mDelta
lun. 7/1412:59 amPHX - ORD
1 stop5h 32mDelta
Deal found 3/26$237
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/116:51 pmSTL - PHX
1 stop7h 06mFrontier
mar. 4/157:14 pmPHX - STL
1 stop11h 52mFrontier
Deal found 3/27$258

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 2,558,603 searches. Data last updated marzo 28, 2025.
Use the filters below to find and compare flights from Illinois to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Illinois

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

mié. 4/16

9:17 pm-11:18 pm

Nonstop4h 01m

Phoenix Sky Harbor Intl

mar. 4/22

6:00 am-11:21 am

Nonstop3h 21m

$156

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mar. 4/15

4:26 pm-6:34 pm

Nonstop4h 08m

Phoenix Sky Harbor Intl

sáb. 4/19

6:29 pm-11:56 pm

Nonstop3h 27m

$156

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 4/26

1:34 pm-3:44 pm

Nonstop4h 10m

Phoenix Sky Harbor Intl

lun. 4/28

5:46 pm-8:35 am

1 stop12h 49m

$157

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 4/12

11:53 am-4:41 pm

1 stop6h 48m

Phoenix Sky Harbor Intl

vie. 4/18

5:46 pm-8:35 am

1 stop12h 49m

$159

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

sáb. 5/3

8:35 pm-10:20 pm

Nonstop3h 45m

Phoenix Sky Harbor Intl

mié. 5/7

6:30 pm-11:50 pm

Nonstop3h 20m

$179

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 4/26

7:50 am-9:49 am

Nonstop3h 59m

Phoenix Sky Harbor Intl

lun. 4/28

12:45 am-6:12 am

Nonstop3h 27m

$179

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 4/19

10:00 pm-11:59 pm

Nonstop3h 59m

Phoenix Sky Harbor Intl

lun. 4/21

1:04 am-6:30 am

Nonstop3h 26m

$199

PeoriaPhoenix

PIA - PHX

PIAPHX

Greater Peoria

sáb. 5/24

3:37 pm-10:19 pm

1 stop8h 42m

Phoenix Sky Harbor Intl

mar. 6/24

2:05 pm-11:59 pm

1 stop7h 54m

$209

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 5/3

6:00 am-2:12 pm

1 stop10h 12m

Phoenix Sky Harbor Intl

sáb. 5/10

9:00 am-7:10 pm

1 stop8h 10m

$234

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

sáb. 5/31

1:55 pm-8:08 pm

1 stop8h 13m

Phoenix Sky Harbor Intl

mar. 6/3

9:11 am-5:45 pm

1 stop6h 34m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 57 results
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Best time to book a flight from Illinois to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Illinois with our price prediction graph.
Estimated round-trip 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 Illinois to Phoenix Sky Harbor Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Illinois to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 IL to PHX?

Find hourly flight availability from Illinois 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 marzo 28, 2025.

When flying from Illinois to Phoenix Sky Harbor Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Illinois 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 marzo 28, 2025.

The most flights from USIL to PHX are scheduled on a Friday (51 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 marzo 28, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Illinois to Phoenix have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 to fly from Illinois to Phoenix Sky Harbor Intl Airport one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $80. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from Illinois to Phoenix Sky Harbor Intl Airport for a low price.

  • What are the most popular routes from Illinois to Phoenix Sky Harbor Intl Airport?

    While some choose either Chicago Midway - Phoenix Sky Harbor Intl or Lambert-St Louis - Phoenix Sky Harbor Intl, Chicago O'Hare Intl - Phoenix Sky Harbor Intl is the most popular route from Illinois to Phoenix Sky Harbor Intl Airport.

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

    No one likes to see their flight delayed. When booking a flight from Illinois to Phoenix Sky Harbor Intl Airport consider choosing United Airlines (91%), Cathay Pacific (90%) or Emirates (89%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $847 for a flight from Illinois to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $79 while the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl) is currently priced at $154.

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

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

  • How can I find direct flights from Illinois 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 Illinois to Sky Harbor Intl.

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Illinois to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Chandler
Peoria
Buckeye
Globe
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Surprise
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Alternative routes for Illinois to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Sky Harbor Intl

Discover the top 7 airlines that operate flights from Illinois to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$177FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$115Average$221FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$154Average$272FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$170Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$174Average$491FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$392FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$385FlexibilityNo cancel feeOn-time63%
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