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$71+ Cheap flights from Illinois to Phoenix

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Illinois to Phoenix

Keep the following information in mind while searching for Illinois to Phoenix flight deals. Data was last updated abril 17, 2025.

Round-trip from

$171
(FlightHub)

One-way from

$71
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$267
From Illinois to Phoenix
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One-way flight from Illinois to Phoenix
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Illinois to Phoenix

Cheapest flights from Illinois to Phoenix
Explore the most affordable flight options available from Illinois to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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.
jue. 6/59:02 pmORD - PHX
1 stop13h 11mMultiple Airlines
lun. 6/96:15 pmPHX - ORD
Nonstop3h 32mMultiple Airlines
Deal found 4/17$171
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/83:25 pmMDW - PHX
Nonstop3h 55mFrontier
dom. 5/118:00 amPHX - MDW
Nonstop3h 25mFrontier
Deal found 4/16$173
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
dom. 5/117:35 amORD - PHX
Nonstop4h 07mFrontier
mié. 5/143:11 pmPHX - ORD
1 stop30h 21mFrontier
Deal found 4/17$174
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
jue. 5/18:00 amORD - PHX
1 stop7h 28mSpirit Airlines
lun. 5/55:46 pmPHX - ORD
1 stop12h 49mSpirit Airlines
Deal found 4/16$175
This Mytrip deal was found by Cheapflights users on 4/16. 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.
vie. 5/3012:55 pmRFD - AZA
Nonstop3h 33mAllegiant Air
lun. 6/27:00 amAZA - RFD
Nonstop3h 05mAllegiant Air
Deal found 4/16$183
This Southwest deal was found by Cheapflights users on 4/16. 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.
mar. 5/135:35 amMDW - PHX
Nonstop3h 45mSouthwest
mar. 5/205:15 pmPHX - MDW
Nonstop3h 20mSouthwest
Deal found 4/16$189
This United Airlines deal was found by Cheapflights users on 4/16. 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.
mié. 5/149:25 amORD - PHX
Nonstop4h 06mUnited Airlines
mié. 5/216:00 amPHX - ORD
Nonstop3h 31mUnited Airlines
Deal found 4/16$189
This American Airlines deal was found by Cheapflights users on 4/16. 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.
mié. 5/217:06 amORD - PHX
Nonstop3h 54mAmerican Airlines
mié. 5/2811:45 pmPHX - ORD
Nonstop3h 28mAmerican Airlines
Deal found 4/16$198
This United Airlines deal was found by Cheapflights users on 4/16. 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.
dom. 5/256:30 amMLI - PHX
1 stop6h 49mUnited Airlines
jue. 5/2912:32 pmPHX - MLI
1 stop6h 55mUnited Airlines
Deal found 4/16$209
This Delta deal was found by Cheapflights users on 4/16. 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. 5/319:16 amMDW - PHX
1 stop6h 34mDelta
vie. 6/612:45 amPHX - MDW
1 stop5h 51mDelta
Deal found 4/16$237
This Delta deal was found by Cheapflights users on 4/16. 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. 5/141:40 pmORD - PHX
1 stop6h 22mDelta
mié. 5/2110:24 amPHX - ORD
1 stop6h 26mDelta
Deal found 4/16$237
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
sáb. 5/317:00 amORD - PHX
1 stop8h 05mAlaska Airlines
sáb. 6/72:05 pmPHX - ORD
1 stop7h 51mAlaska Airlines
Deal found 4/16$256

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Phoenix 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 abril 17, 2025.
Use the filters below to find and compare flights from Illinois to Phoenix that are best for you.

Fly from

Illinois

Fly to

Phoenix

Route

Depart

Return

Price

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

jue. 6/5

9:02 pm-8:13 am

1 stop13h 11m

Phoenix Sky Harbor Intl

lun. 6/9

6:15 pm-11:47 pm

Nonstop3h 32m

$171

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

jue. 5/8

3:25 pm-5:20 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

dom. 5/11

8:00 am-1:25 pm

Nonstop3h 25m

$173

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

dom. 5/11

7:35 am-9:42 am

Nonstop4h 07m

Phoenix Sky Harbor Intl

mié. 5/14

3:11 pm-11:32 pm

1 stop30h 21m

$174

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

jue. 5/1

8:00 am-1:28 pm

1 stop7h 28m

Phoenix Sky Harbor Intl

lun. 5/5

5:46 pm-8:35 am

1 stop12h 49m

$175

ChicagoPhoenix

RFD - AZA

RFDAZA

Chicago Greater Rockford

vie. 5/30

12:55 pm-2:28 pm

Nonstop3h 33m

Phoenix-Mesa Gateway

lun. 6/2

7:00 am-12:05 pm

Nonstop3h 05m

$183

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

mar. 5/13

5:35 am-7:20 am

Nonstop3h 45m

Phoenix Sky Harbor Intl

mar. 5/20

5:15 pm-10:35 pm

Nonstop3h 20m

$189

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mié. 5/14

1:10 pm-3:13 pm

Nonstop4h 03m

Phoenix Sky Harbor Intl

sáb. 5/17

7:00 am-12:31 pm

Nonstop3h 31m

$189

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mié. 5/21

7:06 am-9:00 am

Nonstop3h 54m

Phoenix Sky Harbor Intl

mar. 5/27

11:45 pm-5:13 am

Nonstop3h 28m

$198

MolinePhoenix

MLI - PHX

MLIPHX

Moline Quad-City

dom. 5/25

6:30 am-11:19 am

1 stop6h 49m

Phoenix Sky Harbor Intl

jue. 5/29

12:32 pm-9:27 pm

1 stop6h 55m

$209

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 5/31

7:00 am-1:05 pm

1 stop8h 05m

Phoenix Sky Harbor Intl

sáb. 6/7

7:00 am-11:56 pm

1 stop14h 56m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix 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

What is the cheapest month to book a flight from Illinois to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Illinois to Phoenix (average of $258). Flying from Illinois to Phoenix 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

When flying from Illinois to Phoenix, 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

Explore weekly flight availability from Illinois to Phoenix. 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 abril 17, 2025.

The most flights from USIL to PH1 are scheduled on a Thursday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (43 on average).

Rainfall in Phoenix by month

Plan your trip to Phoenix by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix 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 when rainfall is around 0.0 in.

Temperature in Phoenix by month

Plan your trip to Phoenix by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix, 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 Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated abril 17, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Phoenix have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,380 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Illinois to Phoenix. 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 one-way?

    $71 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Spirit Airlines and Frontier, with prices starting from $86 and $88, respectively.

  • What are the most popular routes from Illinois to Phoenix?

    When deciding which route to take from Illinois to Phoenix consider Chicago O'Hare Intl - Phoenix Sky Harbor Intl, Chicago Midway - Phoenix Sky Harbor Intl or Lambert-St Louis - Phoenix Sky Harbor Intl as they are the most popular.

  • What are the most reliable airlines from Illinois to Phoenix?

    The top 3 most reliable airlines when flying from Illinois to Phoenix are United Airlines (90%), Air Canada (89%) and Emirates (88%).

  • What are the cheapest flights from Illinois to Phoenix?

    Looking for the cheapest flight from Illinois to Phoenix? While on average our users pay $685, our data indicates the cheapest price to be $85. The most popular route (Chicago O'Hare Intl - Phoenix Sky Harbor Intl), is priced around $160.

  • Can I find deals for flights from Illinois to Phoenix that include hotel bookings?

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

  • How can I find direct flights from Illinois to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Phoenix.

  • Can I find deals for business class flights from Illinois to Phoenix?

    Yes. Cheapflights offers flight deals from Illinois to Phoenix 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?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Phoenix (average of $258). Flying from Illinois to Phoenix 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Phoenix

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 Phoenix

Discover the top 7 airlines that operate flights from Illinois to Phoenix. 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$194FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$113Average$258FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$125Average$219FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$173Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$175Average$395FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$392FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$380FlexibilityNo cancel feeOn-time63%

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