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Tempe

$29+ 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
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:10 am
ORD
-
PHX
Nonstop4h 14m
Frontier
Thu 2/1910:19 am
PHX
-
ORD
Nonstop3h 35m
Frontier
Deal found 1/26$115
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sun 2/153:21 pm
MDW
-
PHX
Nonstop4h 07m
Frontier
Fri 2/209:47 pm
PHX
-
MDW
1 stop16h 32m
Frontier
Deal found 1/25$116
This WAYA deal was found by Cheapflights users on 1/26. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:10 am
ORD
-
PHX
Nonstop4h 14m
Frontier
Fri 2/276:00 am
PHX
-
ORD
1 stop6h 25m
Frontier
Deal found 1/26$116
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:58 pm
MDW
-
PHX
Nonstop4h 10m
Frontier
Sat 2/215:10 pm
PHX
-
MDW
1 stop27h 19m
Frontier
Deal found 1/27$117
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Fri 2/209:17 pm
ORD
-
PHX
Nonstop4h 16m
Frontier
Thu 2/266:57 pm
PHX
-
ORD
1 stop21h 29m
Frontier
Deal found 1/28$117
This Frontier deal was found by Cheapflights users on 1/25. 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.
Sun 2/87:30 am
MDW
-
PHX
Nonstop4h 12m
Frontier
Fri 2/203:43 pm
PHX
-
MDW
Nonstop3h 17m
Frontier
Deal found 1/25$118
This Frontier deal was found by Cheapflights users on 1/27. 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.
Fri 2/209:17 pm
ORD
-
PHX
Nonstop4h 16m
Frontier
Mon 2/2311:59 pm
PHX
-
ORD
1 stop14h 53m
Frontier
Deal found 1/27$118
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:17 pm
ORD
-
PHX
Nonstop4h 16m
Frontier
Wed 2/253:05 pm
PHX
-
ORD
1 stop25h 19m
Frontier
Deal found 1/26$119
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:17 pm
ORD
-
PHX
Nonstop4h 16m
Multiple Airlines
Sat 2/285:10 pm
PHX
-
ORD
1 stop13h 44m
Multiple Airlines
Deal found 1/27$120
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:25 pm
MDW
-
PHX
Nonstop4h 07m
Frontier
Thu 3/55:10 pm
PHX
-
MDW
1 stop22h 03m
Frontier
Deal found 1/27$121
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:55 am
ORD
-
PHX
Nonstop4h 14m
Frontier
Wed 3/1111:24 am
PHX
-
ORD
Nonstop3h 37m
Frontier
Deal found 1/27$121
This Frontier deal was found by Cheapflights users on 1/27. 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.
Sat 3/72:16 pm
MDW
-
PHX
Nonstop4h 08m
Frontier
Fri 3/135:24 pm
PHX
-
MDW
Nonstop3h 21m
Frontier
Deal found 1/27$122

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 January 28, 2026.

Round-trip from

$115
(Kiwi.com)

One-way from

$29
(Frontier)

Popular in

March

Cheapest in

August

Average price

$269
From Illinois to Tempe
Search Deals
One-way flight from Illinois to Tempe
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 28, 2026.
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

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sat 2/21

2:51 pm-9:41 pm

1 stop7h 50m

Phoenix Sky Harbor Intl

Sat 2/28

5:10 pm-6:51 am

2 stops36h 41m

$171

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Sat 2/28

7:15 pm-10:15 pm

Nonstop4h 00m

Phoenix Sky Harbor Intl

Fri 3/6

7:55 pm-12:05 am

Nonstop3h 10m

$197

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 2/28

7:55 pm-11:03 pm

Nonstop4h 08m

Phoenix Sky Harbor Intl

Fri 3/6

6:31 pm-10:59 pm

Nonstop3h 28m

$197

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 2/28

3:21 pm-11:42 pm

1 stop9h 21m

Phoenix Sky Harbor Intl

Wed 3/4

11:50 pm-8:38 am

1 stop7h 48m

$217

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 3/17

8:45 pm-10:40 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

Tue 3/31

7:00 pm-12:10 am

Nonstop3h 10m

$217

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 2/25

6:45 pm-12:42 am

1 stop6h 57m

Phoenix Sky Harbor Intl

Wed 3/4

11:50 pm-8:38 am

1 stop7h 48m

$217

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 3/3

8:20 am-3:45 pm

1 stop8h 25m

Phoenix Sky Harbor Intl

Wed 3/11

7:20 am-11:59 pm

1 stop14h 39m

$220

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 3/6

8:10 pm-11:18 pm

Nonstop4h 08m

Phoenix Sky Harbor Intl

Tue 3/10

6:15 am-11:44 am

Nonstop3h 29m

$223

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Fri 2/27

7:20 pm-12:11 am

1 stop5h 51m

Phoenix Sky Harbor Intl

Tue 3/3

11:50 pm-9:54 am

1 stop9h 04m

$227

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 2/24

1:55 pm-4:50 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

Sat 2/28

12:35 pm-7:55 pm

2 stops6h 20m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 December is currently the most expensive (average of $130). 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 January 28, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Tempe in the afternoon. If you’re flexible enough to do this you can expect to save up to 12% 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 January 24, 2026.

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

Weekly flight availability from Illinois to Tempe

Explore weekly flight availability from Illinois to Tempe. 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 January 28, 2026.

The most flights from USIL to TM9 are scheduled on a Monday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

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 4h. Frontier 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 $41. Allegiant Air flights start at $54 while deals on Spirit Airlines start at $67 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 Japan Airlines (78%), American Airlines (77%) or British Airways (76%) 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 $702, our data shows the cheapest flight currently is $55. When looking at the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl), you can expect to pay $72 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 December is currently the most expensive (average of $130). 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$203FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$66Average$235FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$98Average$212FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$382FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$231FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$181Average$382FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$184Average$336FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$419FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$201Average$348FlexibilityNo cancel feeOn-time63%

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