What is the cheapest airline that flies from Illinois to Arizona?

Alaska Airlines, Southwest, and Allegiant Air are the most popular carriers operating from Illinois to Arizona

What airlines fly to Arizona?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Arizona from Illinois according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Arizona. Keep in mind that there are 8 different airlines that fly to Arizona on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Arizona on average per day?

As of September 2026, 113 flights take off from Illinois and land in Arizona each day. The most common flight departure time for this route is 9:00PM, with 46% of daily flights taking off in the evening.

How long is the flight from Illinois to Arizona?

Average flight duration from Illinois to Arizona depends on which airport you fly into and out of. Flying from Chicago to Phoenix Sky Harbor Intl Airport is 3h 34m on average, while flying from Moline to Phoenix Sky Harbor Intl Airport is 5h 23m on average. Phoenix Sky Harbor Intl Airport is the most popular airport in Arizona.

How many flights depart from Illinois to Arizona on average per week?

As of September 2026, there are 796 flights per week flying from Illinois to Arizona. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.

When did momondo last update prices for flights from Illinois to Arizona?

Prices for flights from Illinois to Arizona were last updated today.

How many operators does momondo search for flights from Illinois to Arizona?

There are 8 operators available for flights from Illinois to Arizona as of September 2026.

How old do you have to be to fly from Illinois to Arizona?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Arizona.

What documentation or ID do you need to fly to Arizona?

The travel and health documents you'll need for your trip to Arizona may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Arizona. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$73 Cheap Flights from Illinois to Arizona in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Arizona

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:59 pm - 12:42 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

5h 43m1 stop Denver Intl

5:01 am - 11:19 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

5h 18m1 stop Dallas/Fort Worth

$136Frontier

Fri, Nov 6 - Sun, Nov 8

4:18 pm - 12:42 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

9h 24m1 stop Denver Intl

9:59 pm - 7:14 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

20h 15m1 stop Denver Intl

$185Frontier

Wed, Nov 4 - Thu, Nov 12

9:29 pm - 11:08 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl

3h 39mnonstop

3:15 pm - 8:39 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford

3h 24mnonstop

$199Allegiant Air

Sun, Sep 13 - Thu, Sep 17

9:33 pm - 11:16 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl

3h 43mnonstop

2:10 pm - 7:30 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford

3h 20mnonstop

$199Allegiant Air

Sun, Oct 18 - Thu, Oct 22

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

2:07 pm - 11:59 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

7h 52m1 stop Seattle/Tacoma Intl

$208Multiple Airlines

Sat, Oct 3 - Tue, Oct 6

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

2:07 pm - 11:59 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

7h 52m1 stop Seattle/Tacoma Intl

$208Multiple Airlines

Sat, Oct 3 - Tue, Oct 6

8:50 pm - 10:38 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 48mnonstop

8:48 am - 2:33 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 45mnonstop

$253American Airlines

Tue, Sep 29 - Tue, Oct 6

8:40 pm - 10:38 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 58mnonstop

8:48 am - 2:33 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 45mnonstop

$253American Airlines

Sat, Oct 24 - Sat, Oct 31

4:14 pm - 7:16 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 02mnonstop

6:20 pm - 10:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 38mnonstop

$253United Airlines

Thu, Nov 5 - Mon, Nov 9

8:30 pm - 10:33 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

5:22 pm - 10:59 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$253United Airlines

Mon, Oct 26 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

8:11 pm - 10:23 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

4h 12mnonstop

11:50 pm - 5:38 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

3h 48mnonstop

$201Frontier

Sun, Sep 6 - Fri, Sep 11

8:11 pm - 10:23 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

4h 12mnonstop

11:50 pm - 5:38 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

3h 48mnonstop

$202Frontier

Sun, Sep 6 - Sat, Sep 12

9:29 pm - 11:08 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl

3h 39mnonstop

3:15 pm - 8:39 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford

3h 24mnonstop

$207Allegiant Air

Thu, Sep 3 - Thu, Sep 10

9:29 pm - 11:08 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl

3h 39mnonstop

3:15 pm - 8:39 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford

3h 24mnonstop

$211Allegiant Air

Thu, Sep 3 - Thu, Sep 10

8:11 pm - 10:23 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

4h 12mnonstop

7:07 pm - 1:22 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

16h 15m1 stop San Diego

$222Multiple Airlines

Sun, Sep 6 - Fri, Sep 11

8:17 pm - 9:42 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

15h 25m1 stop San Diego

11:50 pm - 5:38 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

3h 48mnonstop

$239Multiple Airlines

Sun, Sep 6 - Wed, Sep 9

6:54 pm - 8:36 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 42mnonstop

12:20 am - 6:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$300American Airlines

Sat, Sep 5 - Sat, Sep 5

6:05 am - 12:04 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

7h 59m1 stop San Diego

7:07 pm - 1:22 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

16h 15m1 stop San Diego

$301Alaska Airlines

Sun, Sep 6 - Fri, Sep 11

8:17 pm - 9:42 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

15h 25m1 stop San Diego

5:28 pm - 1:22 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

17h 54m1 stop San Diego

$305Alaska Airlines

Sun, Sep 6 - Wed, Sep 9

3:54 pm - 8:37 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

6h 43m1 stop Dallas/Fort Worth

12:20 am - 6:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$309American Airlines

Sat, Sep 5 - Sat, Sep 5

Cheap direct flights

Enter your travel dates to find the best prices.

8:55 pm - 11:05 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

4h 10mnonstop

11:50 pm - 5:38 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

3h 48mnonstop

$198Frontier

Fri, Sep 11 - Sat, Sep 19

8:55 pm - 11:05 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl

4h 10mnonstop

11:50 pm - 5:38 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl

3h 48mnonstop

$199Frontier

Fri, Sep 11 - Thu, Sep 17

9:33 pm - 11:16 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl

3h 43mnonstop

2:10 pm - 7:30 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford

3h 20mnonstop

$199Allegiant Air

Sun, Oct 18 - Thu, Oct 22

9:29 pm - 11:08 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl

3h 39mnonstop

3:15 pm - 8:39 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford

3h 24mnonstop

$199Allegiant Air

Sun, Sep 13 - Thu, Sep 17

10:45 pm - 12:44 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 59mnonstop

5:57 pm - 11:30 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 33mnonstop

$253American Airlines

Mon, Oct 19 - Sat, Oct 24

8:50 pm - 10:38 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 48mnonstop

8:48 am - 2:33 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 45mnonstop

$253American Airlines

Tue, Sep 29 - Tue, Oct 6

8:30 pm - 10:33 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

5:22 pm - 10:59 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$253United Airlines

Mon, Oct 26 - Thu, Oct 29

8:30 pm - 10:24 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 54mnonstop

7:10 am - 12:49 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

$253United Airlines

Sat, Oct 17 - Mon, Oct 19

5:40 am - 7:15 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 35mnonstop

12:35 am - 5:50 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 15mnonstop

$253Southwest

Sat, Sep 26 - Sun, Sep 27

5:40 am - 7:25 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 45mnonstop

8:05 am - 1:25 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 20mnonstop

$253Southwest

Mon, Oct 26 - Thu, Oct 29

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Alaska Airlines flights from Illinois to Arizona

Our best Alaska Airlines deals on Illinois to Arizona flight tickets

Alaska Airlines

Oct 24

STL4:42 pmLambert-St Louis

8h 17m

1 stop

LAS10:59 pmLas Vegas Harry Reid Intl

Oct 27

LAS7:01 amLas Vegas Harry Reid Intl

14h 58m

2 stops

STL11:59 pmLambert-St Louis

$215

Alaska Airlines

Sep 24

STL3:19 pmLambert-St Louis

9h 58m

1 stop

LAS11:17 pmLas Vegas Harry Reid Intl

Oct 1

LAS7:00 amLas Vegas Harry Reid Intl

14h 59m

2 stops

STL11:59 pmLambert-St Louis

$225

Alaska Airlines

Sep 26

STL3:19 pmLambert-St Louis

20h 23m

2 stops

LAS9:42 amLas Vegas Harry Reid Intl

Sep 29

LAS2:31 pmLas Vegas Harry Reid Intl

24h 39m

1 stop

STL5:10 pmLambert-St Louis

$255

Allegiant Air flights from Illinois to Arizona

Our best Allegiant Air deals on Illinois to Arizona flight tickets

Allegiant Air

Sep 13

RFD9:29 pmChicago Greater Rockford

3h 39m

LAS11:08 pmLas Vegas Harry Reid Intl

Sep 17

LAS3:15 pmLas Vegas Harry Reid Intl

3h 24m

RFD8:39 pmChicago Greater Rockford

$199

Allegiant Air

Sep 27

RFD9:29 pmChicago Greater Rockford

3h 39m

LAS11:08 pmLas Vegas Harry Reid Intl

Oct 4

LAS3:26 pmLas Vegas Harry Reid Intl

3h 20m

RFD8:46 pmChicago Greater Rockford

$203

Allegiant Air

Oct 18

RFD9:33 pmChicago Greater Rockford

3h 43m

LAS11:16 pmLas Vegas Harry Reid Intl

Oct 22

LAS2:10 pmLas Vegas Harry Reid Intl

3h 20m

RFD7:30 pmChicago Greater Rockford

$204

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPhoenix

STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl

STLPHX

Lambert-St Louis

Fri 11/6

7:59 pm-12:42 am

1 stop5h 43m

Phoenix Sky Harbor Intl

Sun 11/8

5:01 am-11:19 am

1 stop5h 18m

$136

St. LouisPhoenix

STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl

STLPHX

Lambert-St Louis

Wed 11/4

4:18 pm-12:42 am

1 stop9h 24m

Phoenix Sky Harbor Intl

Thu 11/12

9:59 pm-7:14 pm

1 stop20h 15m

$185

Quickest round-trip

ChicagoLas Vegas

RFD Chicago Greater Rockford - LAS Las Vegas Harry Reid Intl

RFDLAS

Chicago Greater Rockford

Sun 9/13

9:29 pm-11:08 pm

Nonstop3h 39m

Las Vegas Harry Reid Intl

Thu 9/17

3:15 pm-8:39 pm

Nonstop3h 24m

$199

ChicagoLas Vegas

RFD Chicago Greater Rockford - LAS Las Vegas Harry Reid Intl

RFDLAS

Chicago Greater Rockford

Sun 10/18

9:33 pm-11:16 pm

Nonstop3h 43m

Las Vegas Harry Reid Intl

Thu 10/22

2:10 pm-7:30 pm

Nonstop3h 20m

$199

St. LouisLas Vegas

STL Lambert-St Louis - LAS Las Vegas Harry Reid Intl

STLLAS

Lambert-St Louis

Sat 10/3

12:17 pm-1:52 pm

Nonstop3h 35m

Las Vegas Harry Reid Intl

Tue 10/6

2:07 pm-11:59 pm

1 stop7h 52m

$208

St. LouisLas Vegas

STL Lambert-St Louis - LAS Las Vegas Harry Reid Intl

STLLAS

Lambert-St Louis

Sat 10/3

12:17 pm-1:52 pm

Nonstop3h 35m

Las Vegas Harry Reid Intl

Tue 10/6

2:07 pm-11:59 pm

1 stop7h 52m

$208

ChicagoPhoenix

ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl

ORDPHX

Chicago O'Hare Intl

Tue 9/29

8:50 pm-10:38 pm

Nonstop3h 48m

Phoenix Sky Harbor Intl

Tue 10/6

8:48 am-2:33 pm

Nonstop3h 45m

$253

ChicagoPhoenix

ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl

ORDPHX

Chicago O'Hare Intl

Sat 10/24

8:40 pm-10:38 pm

Nonstop3h 58m

Phoenix Sky Harbor Intl

Sat 10/31

8:48 am-2:33 pm

Nonstop3h 45m

$253

ChicagoPhoenix

ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl

ORDPHX

Chicago O'Hare Intl

Thu 11/5

4:14 pm-7:16 pm

Nonstop4h 02m

Phoenix Sky Harbor Intl

Mon 11/9

6:20 pm-10:58 pm

Nonstop3h 38m

$253

ChicagoPhoenix

ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl

ORDPHX

Chicago O'Hare Intl

Mon 10/26

8:30 pm-10:33 pm

Nonstop4h 03m

Phoenix Sky Harbor Intl

Thu 10/29

5:22 pm-10:59 pm

Nonstop3h 37m

$253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Arizona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Arizona?

The month of January is, on average, the cheapest month to fly to Arizona from Illinois, with most prices found around $248. If you aren’t able to travel to Arizona during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $283.

What is the cheapest day to depart on your flight to Arizona?

On average, the least expensive day to fly to Arizona from Illinois is on a Saturday. momondo users have found tickets for Saturday departures for as low as $299. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Arizona is Sunday, with ticket prices averaging around $362.

What is the cheapest time of day to depart on your flight to Arizona?

Our most recent data shows that the best time of day to fly to Arizona is in the morning. Flights from Illinois to Arizona during this time can be as low as $325. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $350 on average. Flights to Arizona from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Arizona flight route?

Fly from Bloomington-Normal to Phoenix-Mesa Gateway for the best Illinois - Arizona flight prices

How far in advance should I book a flight from Illinois to Arizona?

You are more likely to see cheaper flights to Arizona from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Arizona for around $317 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Arizona from Illinois for as low as $268 on momondo.

What cabin class options are available on Illinois to Arizona flights?

There are 4 cabin classes available to choose from on Illinois to Arizona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Arizona flights?

No. A direct flight is the cheapest option for a flight between Illinois to Arizona.

Cheap Illinois to Arizona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Arizona

Best Price Found	$73
Fastest flight time	3h 15m
Direct flights	Every day
Airports in Arizona	66 airports

The best one-way flight to Arizona from Illinois in the past 72 hours is $73. The best round-trip flight deal from Illinois to Arizona found on momondo in the last 72 hours is $136.

The fastest flight from Illinois to Arizona takes 3h 15m

Direct flights go from Illinois to Arizona every day.

There are 66 airports in Arizona. From Illinois there are direct flights to Phoenix Sky Harbor Intl (PHX), Phoenix-Mesa Gateway (AZA).

Search flight deals

Frequently asked questions about flying from Illinois to Arizona

When did momondo last update prices for flights from Illinois to Arizona?
Prices for flights from Illinois to Arizona were last updated today.
How many operators does momondo search for flights from Illinois to Arizona?
There are 8 operators available for flights from Illinois to Arizona as of September 2026.
How old do you have to be to fly from Illinois to Arizona?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Arizona.
What documentation or ID do you need to fly to Arizona?
The travel and health documents you'll need for your trip to Arizona may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Arizona. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Arizona?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Arizona is Boeing 737-800 (18.86% of total bookings). The next most popular plane models are Airbus A321-100/200 (15.75%), Boeing 737-900 (14.93%), and Boeing 737 MAX 9 (11.29%).

Best airlines flying from Illinois to Arizona

Compare and see reviews for airlines that fly from Illinois to Arizona with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $64	Free Cancellation	Rating 5.6 2,629 reviews	Search Frontier flights
Delta	PriceFrom $108	Free Cancellation	Rating 7.8 8,540 reviews	Search Delta flights
Allegiant Air	PriceFrom $118	Free Cancellation	Rating 7.3 676 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 10,157 reviews	Search United Airlines flights
JetBlue	PriceFrom $188	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.1 12,023 reviews	Search American Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,191 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $231	Free Cancellation	Rating 7.9 12,866 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Arizona?

It is quick and easy to find Illinois to Arizona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Arizona that suits you.

Can I find flights from Illinois to Arizona with flexible booking policies on momondo?

Flights from Illinois to Arizona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Arizona?

momondo provides multiple filters to help you find the best flight to Arizona from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Arizona right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Arizona from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Arizona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Arizona

Popular cities

Other flights from Illinois

Other flights to Arizona

Airlines

Complete your trip

Feeling lucky

Popular cities in Arizona

Flights to New Yorkfrom $70

Flights to Los Angelesfrom $44

Flights to Orlandofrom $58

Flights to Miamifrom $74

Flights to San Franciscofrom $38

Flights to Chicagofrom $50

Flights to Las Vegasfrom $45

Flights to Washington, D.C.from $57

Flights to Bostonfrom $80

Flights to Fort Lauderdalefrom $50

Flights to Atlantafrom $43

Flights to Dallasfrom $53

Cheap flights from Illinois to Arizona from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Arizona departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Illinois to Arizona

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Alaska Airlines flights from Illinois to Arizona

Our best Alaska Airlines deals on Illinois to Arizona flight tickets

Allegiant Air flights from Illinois to Arizona

Our best Allegiant Air deals on Illinois to Arizona flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Arizona that are best for you.

See travel insights to Arizona from

How to get the cheapest flight ticket from Illinois to Arizona

What is the cheapest month to fly to Arizona?

What is the cheapest day to depart on your flight to Arizona?

What is the cheapest time of day to depart on your flight to Arizona?

What is the cheapest Illinois to Arizona flight route?

How far in advance should I book a flight from Illinois to Arizona?

What cabin class options are available on Illinois to Arizona flights?

Can stopping save me money on Illinois to Arizona flights?

What is the cheapest airline that flies from Illinois to Arizona?

What airlines fly to Arizona?

How many flights depart from Illinois to Arizona on average per day?

How many flights depart from Illinois to Arizona on average per week?

How long is the flight from Illinois to Arizona?

Cheap Illinois to Arizona flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Arizona

Frequently asked questions about flying from Illinois to Arizona

Best airlines flying from Illinois to Arizona

Compare and see reviews for airlines that fly from Illinois to Arizona with momondo

Why use momondo?

An easier way to manage your Arizona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Arizona

Popular cities in Arizona

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

Arizona flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Arizona

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Arizona

Explore popular destinations other users love

According to popular flight searches on momondo this year