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Tempe

$49+ Cheap flights from Illinois to Tempe, AZ

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Tempe

Cheapest flights from Illinois to Tempe
Explore the most affordable flight options available from Illinois to Tempe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/247:43 pmSTL - PHX
1 stop5h 46mFrontier
Tue 12/307:00 amPHX - STL
1 stop26h 02mFrontier
Deal found 12/15$189
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/257:00 amORD - PHX
1 stop8h 33mFrontier
Thu 1/810:19 amPHX - ORD
Nonstop3h 38mFrontier
Deal found 12/16$193
This Super.com deal was found by Cheapflights users on 12/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amORD - PHX
1 stop8h 33mFrontier
Thu 1/810:19 amPHX - ORD
Nonstop3h 38mFrontier
Deal found 12/16$194
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:16 pmMDW - PHX
1 stop11h 19mFrontier
Thu 1/87:25 amPHX - MDW
Nonstop3h 20mFrontier
Deal found 12/16$197
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amORD - PHX
1 stop8h 33mFrontier
Thu 1/13:40 pmPHX - ORD
Nonstop3h 43mFrontier
Deal found 12/16$201
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/259:33 pmORD - PHX
Nonstop3h 54mFrontier
Thu 1/13:40 pmPHX - ORD
Nonstop3h 43mFrontier
Deal found 12/16$202
This Super.com deal was found by Cheapflights users on 12/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:52 pmSTL - PHX
Nonstop3h 31mFrontier
Thu 12/259:58 amPHX - STL
1 stop5h 26mFrontier
Deal found 12/16$204
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:52 pmSTL - PHX
Nonstop3h 31mFrontier
Mon 1/54:10 pmPHX - STL
Nonstop2h 57mFrontier
Deal found 12/15$206
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/247:43 pmSTL - PHX
1 stop5h 46mFrontier
Fri 1/210:31 pmPHX - STL
1 stop10h 31mFrontier
Deal found 12/15$207
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:42 pmSTL - PHX
Nonstop3h 31mFrontier
Tue 12/239:58 amPHX - STL
1 stop10h 27mFrontier
Deal found 12/16$213
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/259:33 pmORD - PHX
Nonstop3h 54mFrontier
Fri 1/92:15 pmPHX - ORD
Nonstop3h 43mFrontier
Deal found 12/16$214
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/247:43 pmSTL - PHX
1 stop5h 46mFrontier
Wed 12/3112:59 amPHX - STL
1 stop20h 34mFrontier
Deal found 12/15$214

Find flight deals from Illinois to Tempe

Keep the following information in mind while searching for Illinois to Tempe flight deals. Data was last updated December 18, 2025.

Round-trip from

$117
(Kiwi.com)

One-way from

$49
(Frontier)

Popular in

March

Cheapest in

August

Average price

$326
From Illinois to Tempe
Search Deals
One-way flight from Illinois to Tempe
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Tempe 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 December 18, 2025.
Use the filters below to find and compare flights from Illinois to Tempe that are best for you.

Fly from

Illinois

Fly to

Tempe

Route

Depart

Return

Price

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 2/25

3:07 pm-11:42 pm

1 stop9h 35m

Phoenix Sky Harbor Intl

Tue 3/3

4:27 pm-11:59 pm

1 stop6h 32m

$191

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Sun 1/18

7:50 pm-10:45 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

Fri 1/23

8:50 am-1:10 pm

Nonstop3h 20m

$197

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 1/20

12:55 pm-3:57 pm

Nonstop4h 02m

Phoenix Sky Harbor Intl

Fri 1/23

12:28 pm-5:00 pm

Nonstop3h 32m

$197

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Sat 2/7

2:55 pm-5:50 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

Sat 2/14

5:15 am-9:30 am

Nonstop3h 15m

$197

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 1/28

9:00 am-7:25 pm

1 stop11h 25m

Phoenix Sky Harbor Intl

Tue 2/3

8:24 am-11:37 pm

1 stop14h 13m

$197

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 1/20

7:50 pm-10:45 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

Sat 1/24

7:40 am-11:55 am

Nonstop3h 15m

$197

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Wed 1/14

5:05 am-8:15 am

Nonstop4h 10m

Phoenix Sky Harbor Intl

Tue 1/20

10:15 pm-5:05 am

1 stop5h 50m

$201

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 2/20

3:07 pm-11:42 pm

1 stop9h 35m

Phoenix Sky Harbor Intl

Wed 2/25

4:27 pm-11:59 pm

1 stop6h 32m

$203

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Mon 1/12

4:20 pm-7:22 pm

Nonstop4h 02m

Phoenix Sky Harbor Intl

Sat 1/17

10:22 am-2:55 pm

Nonstop3h 33m

$204

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 1/10

7:56 pm-10:59 pm

Nonstop4h 03m

Phoenix Sky Harbor Intl

Wed 1/14

1:57 pm-6:29 pm

Nonstop3h 32m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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

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

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Tempe (average of $59). Flying from Illinois to Tempe in March is currently the most expensive (average of $134). 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 TM9?

Find hourly flight availability from Illinois to Tempe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Tempe in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Illinois to Tempe?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Tempe. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Tempe flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Tempe. 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 Illinois to Tempe?

    A quick flight from Illinois to Tempe can take about 3h 55m. Alaska Airlines provides one of the quickest options available for as low as $197. Airlines will cover a distance of 1440 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Tempe one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $48. Allegiant Air flights start at $54 while deals on Spirit Airlines start at $66 one-way.

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

    Most travelers choose Chicago O'Hare Intl - Phoenix Sky Harbor Intl, Chicago Midway - Phoenix Sky Harbor Intl or Lambert-St Louis - Phoenix Sky Harbor Intl when deciding on the best route from Illinois to Tempe.

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

    No one likes to see their flight delayed. When booking a flight from Illinois to Tempe consider choosing American Airlines (81%), Aer Lingus (79%) or Japan Airlines (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Tempe?

    While on average a flight from Illinois to Tempe is generally $762, our data shows the cheapest flight currently is $51. When looking at the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl), you can expect to pay $62 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Tempe 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 Tempe?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Tempe (average of $59). Flying from Illinois to Tempe in March is currently the most expensive (average of $134). 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 Illinois to Tempe

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Top 9 airlines flying from Illinois to Tempe

Discover the top 9 airlines that operate flights from Illinois to Tempe. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$221FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$120Average$246FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$154Average$231FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$183Average$384FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$184Average$336FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$193Average$431FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$206Average$361FlexibilityNo cancel feeOn-time63%
DeltaCheapest$213Average$387FlexibilityNo cancel feeOn-timeN/A

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