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Tempe

$80+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
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 July 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/54:57 pm
STL
-
PHX
1 stop7h 19m
Frontier
Wed 8/1211:17 am
PHX
-
STL
1 stop6h 06m
Frontier
Deal found 7/8$204
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/1010:35 am
STL
-
PHX
1 stop13h 04m
Frontier
Mon 9/1410:44 pm
PHX
-
STL
1 stop8h 56m
Frontier
Deal found 7/8$206
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/46:34 pm
STL
-
PHX
1 stop29h 42m
Frontier
Tue 8/116:53 pm
PHX
-
STL
1 stop22h 30m
Frontier
Deal found 7/8$208
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/63:41 pm
STL
-
PHX
1 stop9h 18m
Frontier
Wed 8/1211:17 am
PHX
-
STL
1 stop6h 06m
Frontier
Deal found 7/8$209
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/108:08 pm
STL
-
PHX
1 stop16h 03m
Frontier
Wed 8/1211:17 am
PHX
-
STL
1 stop6h 06m
Frontier
Deal found 7/8$214
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/118:08 pm
STL
-
PHX
1 stop21h 36m
Frontier
Thu 8/136:24 am
PHX
-
STL
1 stop6h 32m
Frontier
Deal found 7/8$218
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/247:58 pm
STL
-
PHX
1 stop16h 13m
Frontier
Wed 8/2612:19 pm
PHX
-
STL
1 stop27h 03m
Frontier
Deal found 7/7$219
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/54:57 pm
STL
-
PHX
1 stop7h 19m
Frontier
Tue 8/1111:17 am
PHX
-
STL
1 stop6h 06m
Frontier
Deal found 7/7$222
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/108:08 pm
STL
-
PHX
1 stop16h 03m
Frontier
Thu 8/138:40 am
PHX
-
STL
1 stop8h 43m
Frontier
Deal found 7/8$229
This Trip.com deal was found by Cheapflights users on 7/8. 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.
Sat 8/86:41 pm
MDW
-
PHX
1 stop6h 18m
Frontier
Sat 8/159:50 pm
PHX
-
MDW
1 stop10h 01m
Frontier
Deal found 7/8$257
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 8/227:00 am
ORD
-
PHX
1 stop6h 25m
American Airlines
Fri 8/2812:20 am
PHX
-
ORD
Nonstop3h 39m
American Airlines
Deal found 7/8$257
This Orbitz deal was found by Cheapflights users on 7/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:17 pm
MDW
-
PHX
1 stop6h 42m
Frontier
Fri 8/146:24 am
PHX
-
MDW
1 stop8h 58m
Frontier
Deal found 7/8$258

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 July 9, 2026.

Round-trip from

$204
(Kiwi.com)

One-way from

$80
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$305
From Illinois to Tempe
Search Deals
One-way flight from Illinois to Tempe
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 9, 2026.
Use the filters below to find and compare flights from Illinois to Tempe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 9/10

6:00 am-7:15 am

Nonstop3h 15m

Phoenix Sky Harbor Intl

Mon 9/14

5:00 am-9:50 am

Nonstop2h 50m

$244

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Thu 9/17

5:50 pm-9:30 pm

1 stop5h 40m

Phoenix Sky Harbor Intl

Wed 9/23

5:40 pm-10:35 pm

Nonstop2h 55m

$253

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Fri 8/21

3:45 pm-6:55 pm

1 stop5h 10m

Phoenix Sky Harbor Intl

Tue 8/25

1:20 pm-6:15 pm

Nonstop2h 55m

$254

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sat 8/29

9:00 am-2:10 pm

2 stops7h 10m

Phoenix Sky Harbor Intl

Sat 9/5

1:45 pm-10:00 pm

1 stop6h 15m

$269

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

Sat 8/1

8:45 pm-9:55 pm

Nonstop3h 10m

Phoenix Sky Harbor Intl

Thu 8/6

6:55 pm-11:50 pm

Nonstop2h 55m

$271

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Thu 8/6

6:20 am-12:23 pm

1 stop8h 03m

Phoenix Sky Harbor Intl

Wed 8/12

1:05 pm-11:36 pm

1 stop8h 31m

$276

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 9/30

7:45 am-12:15 pm

1 stop6h 30m

Phoenix Sky Harbor Intl

Sun 10/4

6:00 am-4:14 pm

1 stop8h 14m

$277

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 9/29

10:10 am-1:00 pm

1 stop4h 50m

Phoenix Sky Harbor Intl

Sun 10/4

11:25 am-6:10 pm

1 stop4h 45m

$278

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 9/26

8:30 pm-10:24 pm

Nonstop3h 54m

Phoenix Sky Harbor Intl

Wed 9/30

11:54 am-7:29 pm

1 stop5h 35m

$285

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Sat 8/8

5:40 am-7:15 am

Nonstop3h 35m

Phoenix Sky Harbor Intl

Sat 8/15

5:45 am-2:05 pm

1 stop6h 20m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 July 9, 2026.

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 15% on your trip compared to booking a flight in the morning.

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 July 9, 2026.

The most flights from USIL to TM9 are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

How much does it cost to fly round-trip from Illinois to Tempe?

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 July 4, 2026.

Travelers seeking maximum savings on their Illinois to Tempe flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday 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 15m. Southwest provides one of the quickest options available for as low as $244. Airlines will cover a distance of 1258 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 $34. Allegiant Air flights start at $71 while deals on JetBlue start at $77 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 Frontier (100%), Volaris (100%) or United Airlines (82%) 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 $646, our data shows the cheapest flight currently is $122. When looking at the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl), you can expect to pay $177 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.

See more FAQs

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Alternative routes for Illinois to Tempe

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Illinois to Tempe

Discover the top 8 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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$296FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$118Average$221FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$186Average$407FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$188Average$315FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$417FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$204Average$333FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$220Average$269FlexibilityNo cancel feeOn-time75%

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