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$49+ Cheap flights from Illinois to Arizona

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Arizona

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Arizona (USAZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 21, 2024.

Find flight deals from Illinois to Arizona

Cheapest flights from Illinois to Arizona
Explore the most affordable flight options available from Illinois to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/96:20 amORD - LAS
1 stop15h 12mFrontier
lun. 12/1611:55 pmLAS - ORD
1 stop12h 31mFrontier
Deal found 11/20$106
This Trip.com deal was found by Cheapflights users on 11/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1212:43 pmMDW - LAS
Nonstop4h 24mFrontier
lun. 12/166:11 amLAS - MDW
Nonstop3h 37mFrontier
Deal found 11/21$106
This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/98:25 pmORD - LAS
Nonstop4h 24mMultiple Airlines
lun. 12/1611:58 pmLAS - ORD
Nonstop3h 32mMultiple Airlines
Deal found 11/21$107
This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/119:10 pmORD - LAS
Nonstop4h 10mSpirit Airlines
mié. 12/1811:58 pmLAS - ORD
Nonstop3h 32mSpirit Airlines
Deal found 11/21$108
This Frontier deal was found by Cheapflights users on 11/19. 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.
lun. 12/164:57 pmSTL - LAS
1 stop7h 28mFrontier
jue. 12/196:35 amLAS - STL
1 stop10h 45mFrontier
Deal found 11/19$128
This CheapOair deal was found by Cheapflights users on 11/19. 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.
jue. 12/57:15 amMDW - PHX
1 stop18h 05mFrontier
lun. 12/910:44 pmPHX - MDW
1 stop24h 29mFrontier
Deal found 11/19$138
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/98:25 pmORD - PHX
1 stop12h 53mMultiple Airlines
mar. 12/109:00 pmPHX - ORD
1 stop7h 30mMultiple Airlines
Deal found 11/20$139
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
vie. 12/68:50 pmORD - PHX
Nonstop4h 15mFrontier
dom. 12/157:40 amPHX - ORD
1 stop15h 35mFrontier
Deal found 11/19$140
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/76:46 pmSTL - LAS
1 stop7h 16mMultiple Airlines
lun. 12/910:27 pmLAS - STL
1 stop14h 54mMultiple Airlines
Deal found 11/20$151
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/115:50 pmMDW - LAS
Nonstop4h 00mSouthwest
sáb. 12/141:05 pmLAS - MDW
Nonstop3h 30mSouthwest
Deal found 11/20$170
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/119:10 pmORD - PHX
1 stop24h 55mSpirit Airlines
jue. 12/1210:11 pmPHX - ORD
1 stop6h 19mSpirit Airlines
Deal found 11/20$177
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/138:34 pmSTL - PHX
1 stop12h 44mFrontier
lun. 12/1610:44 pmPHX - STL
1 stop21h 02mFrontier
Deal found 11/20$178

Find flights from Illinois to Arizona within your budget

Customize your flight search to find flights from Illinois to Arizona 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 2,612,795 searches. Data last updated noviembre 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

sáb. 1/4

4:21 pm-11:34 pm

1 stop9h 13m

Las Vegas Harry Reid Intl

jue. 1/9

9:59 am-11:49 pm

1 stop11h 50m

$106

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

lun. 1/6

8:41 pm-11:04 pm

Nonstop4h 23m

Las Vegas Harry Reid Intl

jue. 1/9

6:11 am-11:48 am

Nonstop3h 37m

$106

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

mié. 12/11

9:10 pm-11:20 pm

Nonstop4h 10m

Las Vegas Harry Reid Intl

mié. 12/18

11:58 pm-5:30 am

Nonstop3h 32m

$108

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

lun. 1/6

9:54 pm-11:59 pm

Nonstop4h 05m

Las Vegas Harry Reid Intl

jue. 1/16

11:37 am-5:25 pm

Nonstop3h 48m

$110

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

dom. 1/5

12:40 pm-2:32 pm

Nonstop3h 52m

Las Vegas Harry Reid Intl

jue. 1/9

6:30 am-11:54 am

Nonstop3h 24m

$115

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

dom. 12/8

8:34 pm-10:29 pm

Nonstop3h 55m

Las Vegas Harry Reid Intl

mar. 12/10

11:40 pm-11:24 pm

1 stop21h 44m

$130

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

jue. 12/5

7:15 am-12:20 am

1 stop18h 05m

Phoenix Sky Harbor Intl

lun. 12/9

10:44 pm-12:13 am

1 stop24h 29m

$138

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

jue. 2/20

2:58 pm-6:05 pm

Nonstop4h 07m

Phoenix Sky Harbor Intl

mar. 2/25

7:00 am-1:25 pm

1 stop5h 25m

$139

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mar. 12/10

9:10 pm-7:47 pm

1 stop23h 37m

Phoenix Sky Harbor Intl

mar. 12/17

6:19 pm-10:38 pm

Nonstop3h 19m

$147

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

sáb. 12/7

6:46 pm-12:02 am

1 stop7h 16m

Las Vegas Harry Reid Intl

lun. 12/9

10:27 pm-3:21 pm

1 stop14h 54m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

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

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

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Arizona (average of $258). Flying from Illinois to Arizona in June is currently the most expensive (average of $321). 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 AZ?

Find hourly flight availability from Illinois to Arizona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Arizona as you normally would.

Weekly flight availability from Illinois to Arizona

Explore weekly flight availability from Illinois to Arizona. 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 noviembre 21, 2024.

The most flights from USIL to USAZ are scheduled on a Thursday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Arizona by month

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

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

Temperature in Arizona by month

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

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

Get insights into the airlines that provide service to Arizona. 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 Arizona. Reviews last updated noviembre 21, 2024.
To help decide which airline to fly from Illinois to Arizona, see what other customers have to say about Frontier, Spirit Airlines and Allegiant Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $49. Spirit Airlines flights start at $51 while deals on United Airlines start at $70 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Arizona (average of $258). Flying from Illinois to Arizona in June is currently the most expensive (average of $321). 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 Arizona

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 Arizona

Discover the top 7 airlines that operate flights from Illinois to Arizona. 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 2,612,795 searches. Data last updated noviembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$206FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$231FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$108Average$256FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$164Average$466FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$172Average$521FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$200Average$378FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$424FlexibilityNo cancel feeOn-timeN/A
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