HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$54+ Cheap flights from Arizona to Illinois

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Arizona to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Arizona to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Arizona (USAZ) to Illinois (USIL). 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 November 21, 2024.

Find flight deals from Arizona to Illinois

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

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/711:58 pmLAS - ORD
Nonstop3h 32mSpirit Airlines
Wed 12/119:10 pmORD - LAS
Nonstop4h 10mSpirit Airlines
Deal found 11/19$97
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.
Wed 12/1111:58 pmLAS - ORD
Nonstop3h 32mMultiple Airlines
Thu 12/126:36 pmORD - LAS
Nonstop4h 24mMultiple Airlines
Deal found 11/20$98
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - ORD
1 stop24h 42mFrontier
Sun 12/86:36 pmORD - LAS
Nonstop4h 24mFrontier
Deal found 11/20$100
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - MDW
1 stop24h 20mFrontier
Sun 12/812:43 pmMDW - LAS
Nonstop4h 24mFrontier
Deal found 11/20$102
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.
Thu 12/59:53 pmLAS - STL
1 stop8h 20mFrontier
Sat 12/76:46 pmSTL - LAS
1 stop7h 16mFrontier
Deal found 11/19$108
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/53:17 pmPHX - ORD
Nonstop3h 28mFrontier
Mon 12/98:25 pmORD - PHX
1 stop12h 53mFrontier
Deal found 11/20$123
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.
Sun 12/159:59 pmPHX - MDW
1 stop12h 49mFrontier
Mon 1/134:35 pmMDW - PHX
1 stop7h 00mFrontier
Deal found 11/19$128
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.
Fri 12/610:11 pmPHX - ORD
1 stop6h 19mMultiple Airlines
Sun 12/86:10 amORD - PHX
Nonstop4h 09mMultiple Airlines
Deal found 11/20$130
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:00 pmPHX - ORD
1 stop7h 30mSpirit Airlines
Wed 12/116:35 amORD - PHX
2 stops14h 12mSpirit Airlines
Deal found 11/20$162
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/93:41 pmAZA - RFD
Nonstop3h 07mAllegiant Air
Wed 12/112:57 pmRFD - AZA
Nonstop3h 38mAllegiant Air
Deal found 11/20$191
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/74:20 pmLAS - MDW
Nonstop3h 35mSouthwest
Wed 12/118:35 pmMDW - LAS
Nonstop4h 00mSouthwest
Deal found 11/19$195
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1312:45 amPHX - ORD
Nonstop3h 33mAmerican Airlines
Mon 1/138:25 pmORD - PHX
Nonstop4h 11mAmerican Airlines
Deal found 11/19$198

Find flights from Arizona to Illinois within your budget

Customize your flight search to find flights from Arizona to Illinois 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sat 12/7

11:58 pm-5:30 am

Nonstop3h 32m

Chicago O'Hare Intl

Wed 12/11

9:10 pm-11:20 pm

Nonstop4h 10m

$97

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 12/11

11:58 pm-5:30 am

Nonstop3h 32m

Chicago O'Hare Intl

Thu 12/12

6:36 pm-9:00 pm

Nonstop4h 24m

$98

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 12/5

9:53 pm-12:35 am

1 stop24h 42m

Chicago O'Hare Intl

Sun 12/8

6:36 pm-9:00 pm

Nonstop4h 24m

$100

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Thu 1/23

6:11 am-11:44 am

Nonstop3h 33m

Chicago Midway

Sun 1/26

12:43 pm-2:56 pm

Nonstop4h 13m

$100

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Thu 12/5

9:53 pm-8:13 am

1 stop8h 20m

Lambert-St Louis

Sat 12/7

6:46 pm-12:02 am

1 stop7h 16m

$108

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 12/5

3:17 pm-7:45 pm

Nonstop3h 28m

Chicago O'Hare Intl

Mon 12/9

8:25 pm-8:18 am

1 stop12h 53m

$123

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 1/7

1:19 am-8:37 am

1 stop6h 18m

Chicago O'Hare Intl

Mon 1/13

8:12 pm-11:27 pm

Nonstop4h 15m

$124

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sun 1/12

6:05 am-1:08 pm

1 stop6h 03m

Chicago Midway

Tue 1/14

8:15 am-12:57 pm

1 stop5h 42m

$126

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Sat 3/1

7:10 am-11:09 am

Nonstop2h 59m

Chicago Greater Rockford

Mon 3/3

8:16 pm-11:04 pm

Nonstop3h 48m

$162

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 12/4

9:00 pm-5:30 am

1 stop7h 30m

Chicago O'Hare Intl

Wed 12/11

6:35 am-7:47 pm

2 stops14h 12m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Arizona to Illinois

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

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

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

Currently, September is the cheapest month in which you can book a flight from Arizona to Illinois (average of $232). Flying from Arizona to Illinois in June is currently the most expensive (average of $308). 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 AZ to IL?

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

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

Weekly flight availability from Arizona to Illinois

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

The most flights from USAZ to USIL are scheduled on a Thursday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 21, 2024.
To help decide which airline to fly from Arizona to Illinois, see what other customers have to say about United Airlines, Frontier and Spirit Airlines. 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.
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

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

Porter Airlines
7.8
Good
286 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

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 Arizona to Illinois. 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 Arizona to Illinois one-way?

    The cheapest airlines for a one-way flight from Arizona to Illinois are Frontier ($54), Spirit Airlines ($55), and American Airlines ($85).

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Arizona to Illinois (average of $232). Flying from Arizona to Illinois in June is currently the most expensive (average of $308). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Arizona to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Fort Lauderdale flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
Los Angeles to John F Kennedy Intl flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
Los Angeles to Newark flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Orlando flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
Dallas/Fort Worth to Newark flights
LaGuardia to Orlando flights
San Francisco to John F Kennedy Intl flights
Miami to LaGuardia flights
Miami to John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Atlanta flights
Fort Lauderdale to Newark flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Honolulu flights
Dallas/Fort Worth to Orlando flights
Seattle to Los Angeles flights
O'Hare Intl to Orlando flights
Dallas/Fort Worth to Las Vegas flights
Boston to Orlando flights
Dallas/Fort Worth to Los Angeles flights
Miami to Newark flights
O'Hare Intl to Miami flights
Los Angeles to LaGuardia flights
Fort Lauderdale to John F Kennedy Intl flights
John F Kennedy Intl to West Palm Beach flights
O'Hare Intl to Dallas/Fort Worth flights
Orlando to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Fort Lauderdale flights
San Francisco to Newark flights
LaGuardia to Los Angeles flights
LaGuardia to Atlanta flights
Baltimore to Fort Lauderdale flights

Top 7 airlines flying from Arizona to Illinois

Discover the top 7 airlines that operate flights from Arizona to Illinois. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$168FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$191FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$118Average$266FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$149Average$462FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$159Average$502FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$170Average$363FlexibilityNo cancel feeOn-time63%
DeltaCheapest$215Average$446FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines