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Cheap flights from Arizona to Illinois from $81

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Arizona to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:04 pm - 1:10 pmLAS  Las Vegas Harry Reid Intl-STL Lambert-St Louis
13h 06m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
2:29 pm - 10:26 pmSTL  Lambert-St Louis-LAS Las Vegas Harry Reid Intl
9h 57m1 stop Atlanta Hartsfield-Jackson
$174Frontier
Tue, Sep 29 - Wed, Sep 30
Frontier Logo
10:04 pm - 9:20 amLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
9h 16m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:55 pm - 11:05 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 10mnonstop
$175Frontier
Sat, Oct 3 - Sun, Oct 4
Multiple Airlines Logo
9:00 am - 6:34 amLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
19h 34m1 stop Los Angeles
Multiple Airlines Logo
7:00 am - 4:11 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
11h 11m1 stop Seattle/Tacoma Intl
$224Multiple Airlines
Sat, Oct 10 - Sat, Oct 17
Multiple Airlines Logo
2:55 pm - 6:34 amLAS  Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
13h 39m1 stop Los Angeles
Multiple Airlines Logo
3:49 pm - 11:59 pmORD  Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
10h 10m1 stop Seattle/Tacoma Intl
$224Multiple Airlines
Wed, Oct 21 - Wed, Oct 28
Allegiant Air Logo
7:30 am - 12:37 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 07mnonstop
Allegiant Air Logo
1:27 pm - 2:58 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 31mnonstop
$234Allegiant Air
Mon, Oct 19 - Mon, Oct 26
Allegiant Air Logo
3:02 pm - 7:09 pmAZA  Phoenix-Mesa Gateway-RFD Chicago Greater Rockford
3h 07mnonstop
Allegiant Air Logo
1:13 pm - 3:58 pmRFD  Chicago Greater Rockford-AZA Phoenix-Mesa Gateway
3h 45mnonstop
$242Allegiant Air
Mon, Jan 4 - Mon, Jan 11
American Airlines Logo
7:16 am - 12:59 pmPHX  Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl
3h 43mnonstop
American Airlines Logo
8:40 pm - 10:38 pmORD  Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl
3h 58mnonstop
$267American Airlines
Tue, Oct 6 - Tue, Oct 13
American Airlines Logo
5:57 pm - 11:30 pmPHX  Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl
3h 33mnonstop
American Airlines Logo
6:48 am - 8:55 amORD  Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl
4h 07mnonstop
$267American Airlines
Thu, Oct 22 - Sat, Oct 24
Southwest Logo
7:55 pm - 1:15 amPHX  Phoenix Sky Harbor Intl-MDW Chicago Midway
3h 20mnonstop
Southwest Logo
10:55 pm - 12:45 amMDW  Chicago Midway-PHX Phoenix Sky Harbor Intl
3h 50mnonstop
$267Southwest
Thu, Oct 8 - Thu, Oct 15
Southwest Logo
1:35 am - 5:45 amPHX  Phoenix Sky Harbor Intl-MDW Chicago Midway
3h 10mnonstop
Southwest Logo
8:50 pm - 11:35 pmMDW  Chicago Midway-PHX Phoenix Sky Harbor Intl
3h 45mnonstop
$267Southwest
Mon, Nov 16 - Wed, Dec 2

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Alaska Airlines flights from Arizona to Illinois

Our best Alaska Airlines deals on Arizona to Illinois flight tickets
Alaska Airlines
Oct 1
TUS3:12 pmTucson
30h 47m
1 stop
ORD11:59 pmChicago O'Hare Intl
Oct 4
ORD6:00 amChicago O'Hare Intl
18h 01m
1 stop
TUS10:01 pmTucson
$383
Alaska Airlines
Oct 17
TUS7:24 amTucson
20h 16m
1 stop
ORD5:40 amChicago O'Hare Intl
Oct 25
ORD6:00 amChicago O'Hare Intl
18h 01m
1 stop
TUS10:01 pmTucson
$428
Alaska Airlines
Sep 11
TUS3:12 pmTucson
13h 08m
1 stop
ORD6:20 amChicago O'Hare Intl
Sep 12
ORD1:03 pmChicago O'Hare Intl
10h 23m
1 stop
TUS9:26 pmTucson
$573

Frontier flights from Arizona to Illinois

Our best Frontier deals on Arizona to Illinois flight tickets
Frontier
Sep 29
LAS10:04 pmLas Vegas Harry Reid Intl
13h 06m
1 stop
STL1:10 pmLambert-St Louis
Sep 30
STL2:29 pmLambert-St Louis
9h 57m
1 stop
LAS10:26 pmLas Vegas Harry Reid Intl
$174
Frontier
Oct 3
LAS10:04 pmLas Vegas Harry Reid Intl
9h 16m
1 stop
ORD9:20 amChicago O'Hare Intl
Oct 4
ORD8:55 pmChicago O'Hare Intl
4h 10m
LAS11:05 pmLas Vegas Harry Reid Intl
$175
Frontier
Oct 16
LAS11:29 pmLas Vegas Harry Reid Intl
3h 47m
ORD5:16 amChicago O'Hare Intl
Oct 18
ORD3:30 pmChicago O'Hare Intl
4h 16m
LAS5:46 pmLas Vegas Harry Reid Intl
$176

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasSt. Louis

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

LASSTL

Las Vegas Harry Reid Intl

Tue 9/29

10:04 pm-1:10 pm

1 stop13h 06m

Lambert-St Louis

Wed 9/30

2:29 pm-10:26 pm

1 stop9h 57m

$174

Las VegasChicago

LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl

LASORD

Las Vegas Harry Reid Intl

Sat 10/3

10:04 pm-9:20 am

1 stop9h 16m

Chicago O'Hare Intl

Sun 10/4

8:55 pm-11:05 pm

Nonstop4h 10m

$175

Las VegasChicago

LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl

LASORD

Las Vegas Harry Reid Intl

Sat 10/10

9:00 am-6:34 am

1 stop19h 34m

Chicago O'Hare Intl

Sat 10/17

7:00 am-4:11 pm

1 stop11h 11m

$224

Las VegasChicago

LAS Las Vegas Harry Reid Intl - ORD Chicago O'Hare Intl

LASORD

Las Vegas Harry Reid Intl

Wed 10/21

2:55 pm-6:34 am

1 stop13h 39m

Chicago O'Hare Intl

Wed 10/28

3:49 pm-11:59 pm

1 stop10h 10m

$224
Quickest round-trip

PhoenixChicago

AZA Phoenix-Mesa Gateway - RFD Chicago Greater Rockford

AZARFD

Phoenix-Mesa Gateway

Mon 10/19

7:30 am-12:37 pm

Nonstop3h 07m

Chicago Greater Rockford

Mon 10/26

1:27 pm-2:58 pm

Nonstop3h 31m

$234

PhoenixChicago

AZA Phoenix-Mesa Gateway - RFD Chicago Greater Rockford

AZARFD

Phoenix-Mesa Gateway

Mon 1/4

3:02 pm-7:09 pm

Nonstop3h 07m

Chicago Greater Rockford

Mon 1/11

1:13 pm-3:58 pm

Nonstop3h 45m

$242

PhoenixChicago

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

PHXORD

Phoenix Sky Harbor Intl

Tue 10/6

7:16 am-12:59 pm

Nonstop3h 43m

Chicago O'Hare Intl

Tue 10/13

8:40 pm-10:38 pm

Nonstop3h 58m

$267

PhoenixChicago

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

PHXORD

Phoenix Sky Harbor Intl

Thu 10/22

5:57 pm-11:30 pm

Nonstop3h 33m

Chicago O'Hare Intl

Sat 10/24

6:48 am-8:55 am

Nonstop4h 07m

$267

PhoenixChicago

PHX Phoenix Sky Harbor Intl - MDW Chicago Midway

PHXMDW

Phoenix Sky Harbor Intl

Thu 10/8

7:55 pm-1:15 am

Nonstop3h 20m

Chicago Midway

Thu 10/15

10:55 pm-12:45 am

Nonstop3h 50m

$267

PhoenixChicago

PHX Phoenix Sky Harbor Intl - MDW Chicago Midway

PHXMDW

Phoenix Sky Harbor Intl

Mon 11/16

1:35 am-5:45 am

Nonstop3h 10m

Chicago Midway

Wed 12/2

8:50 pm-11:35 pm

Nonstop3h 45m

$267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Arizona to Illinois

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Arizona is in January. Flight prices, which tend to average around $229, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois 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 $231.

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

The cheapest day to depart from Arizona to Illinois is on a Thursday when prices can be found for as low as $376. Flights from Arizona to Illinois on a Sunday will generally be more expensive and average around $543. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Arizona to Illinois during this time can be as low as $354. Flights at noon are often more expensive with an average ticket price of $443.

What is the cheapest Arizona to Illinois flight route?

Fly from Phoenix-Mesa Gateway to Moline Quad-City for the best Arizona - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $297 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Arizona for as low as $246 on momondo.

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

There are 4 cabin classes available to choose from on Arizona to Illinois 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 Arizona to Illinois flights?

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

Cheap Arizona to Illinois flight deals and tips

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

Best Price Found

$81

Fastest flight time

2h 50m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Arizona in the past 72 hours is $81. The best round-trip flight deal from Arizona to Illinois found on momondo in the last 72 hours is $174.
The fastest flight from Arizona to Illinois takes 2h 50m
Direct flights go from Arizona to Illinois every day.
There are 98 airports in Illinois. From Arizona there are direct flights to Chicago Greater Rockford (RFD), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Arizona to Illinois

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

    Prices for flights from Arizona to Illinois refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Arizona to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Arizona to Illinois?

Best airlines flying from Arizona to Illinois

Compare and see reviews for airlines that fly from Arizona to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.6
2,611 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.8
8,553 reviews
Search Delta flights
Allegiant AirPriceFrom $124Free CancellationRating
7.3
679 reviews
Search Allegiant Air flights
JetBluePriceFrom $173Free CancellationRating
7.1
3,041 reviews
Search JetBlue flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
10,194 reviews
Search United Airlines flights
American AirlinesPriceFrom $198Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from Arizona is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Flights from Arizona to Illinois 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 Arizona to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Arizona to Illinois.

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

If you are not ready to book a flight from Arizona to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois 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 Illinois

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