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Sky Harbor Intl

$55+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Round-trip from

$132
(FlightHub)

One-way from

$55
(Frontier)

Popular in

December

Cheapest in

September

Average price

$277

Good round-trip deal

$222 or less

Good one-way deal

$112 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. 12% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Frontier deal was found by Cheapflights users on 2/21. 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.
Tue 4/87:25 amMDW - PHX
Nonstop3h 56mFrontier
Thu 4/109:51 amPHX - MDW
Nonstop3h 25mFrontier
Deal found 2/21$133
This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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.
Tue 3/119:16 amORD - PHX
1 stop10h 51mSpirit Airlines
Tue 3/182:12 pmPHX - ORD
1 stop14h 30mSpirit Airlines
Deal found 2/22$134
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/119:16 amORD - PHX
1 stop10h 51mMultiple Airlines
Thu 3/207:28 pmPHX - ORD
Nonstop3h 29mMultiple Airlines
Deal found 2/21$136
This Frontier deal was found by Cheapflights users on 2/20. 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.
Tue 4/14:26 pmORD - PHX
Nonstop4h 08mFrontier
Mon 4/77:39 pmPHX - ORD
Nonstop3h 19mFrontier
Deal found 2/20$138
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2810:59 amMDW - PHX
1 stop28h 22mMultiple Airlines
Thu 5/19:22 amPHX - MDW
1 stop22h 47mMultiple Airlines
Deal found 2/21$205
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 4/166:30 pmMLI - PHX
1 stop7h 29mAmerican Airlines
Tue 4/221:04 amPHX - MLI
1 stop7h 47mAmerican Airlines
Deal found 2/21$209
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/810:00 pmORD - PHX
Nonstop3h 59mAmerican Airlines
Tue 4/81:09 amPHX - ORD
Nonstop3h 23mAmerican Airlines
Deal found 2/21$212
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:38 pmSTL - PHX
1 stop24h 43mFrontier
Fri 4/257:11 pmPHX - STL
1 stop12h 50mFrontier
Deal found 2/20$220
This Delta deal was found by Cheapflights users on 2/21. 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.
Tue 4/84:59 pmMDW - PHX
1 stop7h 34mDelta
Tue 4/1510:59 pmPHX - MDW
1 stop7h 41mDelta
Deal found 2/21$237
This Southwest deal was found by Cheapflights users on 2/21. 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.
Wed 4/236:30 pmMDW - PHX
1 stop5h 35mSouthwest
Wed 4/307:05 pmPHX - MDW
Nonstop3h 20mSouthwest
Deal found 2/21$243
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 3/2510:59 amMLI - PHX
2 stops10h 12mUnited Airlines
Sun 3/3012:45 amPHX - MLI
1 stop7h 27mUnited Airlines
Deal found 2/21$244
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 4/267:45 pmORD - PHX
Nonstop4h 06mUnited Airlines
Wed 4/304:29 pmPHX - ORD
Nonstop3h 31mUnited Airlines
Deal found 2/21$261

Find flights from Illinois to Sky Harbor Intl within your budget

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 February 22, 2025.

Fly from

Illinois

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 4/8

7:25 am-9:21 am

Nonstop3h 56m

Phoenix Sky Harbor Intl

Thu 4/10

9:51 am-3:16 pm

Nonstop3h 25m

$133

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 3/6

9:16 am-7:07 pm

1 stop10h 51m

Phoenix Sky Harbor Intl

Tue 3/11

7:02 pm-8:21 am

1 stop11h 19m

$134

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 3/11

9:16 am-6:07 pm

1 stop10h 51m

Phoenix Sky Harbor Intl

Thu 3/20

7:28 pm-12:57 am

Nonstop3h 29m

$136

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 4/1

4:26 pm-6:34 pm

Nonstop4h 08m

Phoenix Sky Harbor Intl

Mon 4/7

7:39 pm-12:58 am

Nonstop3h 19m

$138

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Mon 4/28

10:59 am-1:21 pm

1 stop28h 22m

Phoenix Sky Harbor Intl

Thu 5/1

9:22 am-10:09 am

1 stop22h 47m

$205

MolinePhoenix

MLI - PHX

MLIPHX

Moline Quad-City

Wed 4/16

6:30 pm-11:59 pm

1 stop7h 29m

Phoenix Sky Harbor Intl

Tue 4/22

1:04 am-10:51 am

1 stop7h 47m

$209

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 4/8

10:00 pm-11:59 pm

Nonstop3h 59m

Phoenix Sky Harbor Intl

Tue 4/8

1:09 am-6:32 am

Nonstop3h 23m

$212

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Mon 4/21

6:38 pm-5:21 pm

1 stop24h 43m

Phoenix Sky Harbor Intl

Fri 4/25

7:11 pm-10:01 am

1 stop12h 50m

$220

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 4/8

4:59 pm-10:33 pm

1 stop7h 34m

Phoenix Sky Harbor Intl

Tue 4/15

10:59 pm-8:40 am

1 stop7h 41m

$237

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 3/25

4:00 pm-9:55 pm

1 stop7h 55m

Phoenix Sky Harbor Intl

Wed 4/2

11:40 pm-8:34 am

1 stop6h 54m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
1
2
3
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6

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.

Travel insights for flights from Illinois to Sky Harbor Intl

Get recent, data-driven insights about flights from Illinois to Sky Harbor Intl including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.

The most flights from USIL to PHX are scheduled on a Friday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 February 22, 2025.
See what other customers who have flown with Southwest, Breeze Airways and Alaska Airlines 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
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Breeze Airways
8.1
Very good
150 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,213 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Spirit Airlines and American Airlines, 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 Qatar Airways (96%), Brussels Airlines (92%) or Gulf Air (91%) 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 $718 for a flight from Illinois to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $69 while the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl) is currently priced at $86.

  • 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
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Buckeye
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Surprise
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Alternative routes for Illinois to Sky Harbor Intl

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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$176FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$240FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$154Average$303FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$165Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$172Average$503FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$378FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$451FlexibilityNo cancel feeOn-timeN/A
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