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Cheap flights from Chicago to Arizona from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Arizona departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago to Arizona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:58 pm - 10:07 pmORD-LAS
4h 09mnonstop
Spirit Airlines Logo
11:59 pm - 5:32 amLAS-ORD
3h 33mnonstop
$136Spirit Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Spirit Airlines Logo
4:58 pm - 7:04 pmORD-LAS
4h 06mnonstop
Spirit Airlines Logo
11:59 pm - 5:32 amLAS-ORD
3h 33mnonstop
$137Spirit Airlines
Find Deal
Sat, Nov 29 - Mon, Dec 1
Frontier Logo
9:54 pm - 11:59 pmORD-LAS
4h 05mnonstop
Frontier Logo
12:59 am - 10:50 pmLAS-ORD
19h 51m1 stop
$138Frontier
Find Deal
Sun, Oct 26 - Tue, Oct 28
Frontier Logo
7:20 am - 3:24 pmORD-LAS
10h 04m1 stop
Frontier Logo
3:20 pm - 12:16 amLAS-ORD
6h 56m1 stop
$140Frontier
Find Deal
Wed, Oct 29 - Fri, Oct 31
Southwest Logo
12:05 pm - 2:00 pmMDW-LAS
3h 55mnonstop
Southwest Logo
11:40 pm - 5:05 amLAS-MDW
3h 25mnonstop
$141Southwest
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Wed, Nov 5 - Tue, Nov 11
United Airlines Logo
7:37 pm - 9:49 pmORD-LAS
4h 12mnonstop
United Airlines Logo
5:05 pm - 10:47 pmLAS-ORD
3h 42mnonstop
$145United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
7:37 pm - 9:49 pmORD-LAS
4h 12mnonstop
United Airlines Logo
5:05 pm - 10:47 pmLAS-ORD
3h 42mnonstop
$149United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Southwest Logo
12:30 pm - 4:40 pmMDW-LAS
6h 10m1 stop
Southwest Logo
11:40 pm - 5:05 amLAS-MDW
3h 25mnonstop
$151Southwest
Find Deal
Sat, Nov 8 - Tue, Nov 11
American Airlines Logo
7:40 pm - 9:48 pmORD-LAS
4h 08mnonstop
American Airlines Logo
8:00 am - 1:43 pmLAS-ORD
3h 43mnonstop
$159American Airlines
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Sun, Jan 11 - Sat, Jan 17
American Airlines Logo
9:45 am - 12:53 pmORD-TUS
4h 08mnonstop
American Airlines Logo
1:43 pm - 6:23 pmTUS-ORD
3h 40mnonstop
$291American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10

United Airlines flights from Chicago to Arizona

Our best United Airlines deals on Chicago to Arizona flight tickets
United Airlines
Nov 14
ORD7:37 pmChicago O'Hare Intl
4h 12m
LAS9:49 pmLas Vegas Harry Reid Intl
Nov 16
LAS5:05 pmLas Vegas Harry Reid Intl
3h 42m
ORD10:47 pmChicago O'Hare Intl
$145
Find similar
United Airlines
Nov 14
ORD7:37 pmChicago O'Hare Intl
4h 12m
LAS9:49 pmLas Vegas Harry Reid Intl
Nov 16
LAS5:05 pmLas Vegas Harry Reid Intl
3h 42m
ORD10:47 pmChicago O'Hare Intl
$149
Find similar
United Airlines
Dec 17
ORD7:55 pmChicago O'Hare Intl
4h 02m
PHX10:57 pmPhoenix Sky Harbor Intl
Dec 23
PHX12:45 amPhoenix Sky Harbor Intl
3h 25m
ORD5:10 amChicago O'Hare Intl
$188
Find similar

American Airlines flights from Chicago to Arizona

Our best American Airlines deals on Chicago to Arizona flight tickets
American Airlines
Jan 11
ORD7:40 pmChicago O'Hare Intl
4h 08m
LAS9:48 pmLas Vegas Harry Reid Intl
Jan 17
LAS8:00 amLas Vegas Harry Reid Intl
3h 43m
ORD1:43 pmChicago O'Hare Intl
$159
Find similar
American Airlines
Oct 27
ORD4:20 pmChicago O'Hare Intl
7h 47m
1 stop
FLG10:07 pmFlagstaff Pulliam
Nov 3
FLG4:04 pmFlagstaff Pulliam
7h 08m
1 stop
ORD12:12 amChicago O'Hare Intl
$516
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Chicago to Arizona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 11/14

7:58 pm-10:07 pm

Nonstop4h 09m

Las Vegas Harry Reid Intl

Mon 11/17

11:59 pm-5:32 am

Nonstop3h 33m

$136

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 11/29

4:58 pm-7:04 pm

Nonstop4h 06m

Las Vegas Harry Reid Intl

Mon 12/1

11:59 pm-5:32 am

Nonstop3h 33m

$137

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 10/26

9:54 pm-11:59 pm

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 10/28

12:59 am-10:50 pm

1 stop19h 51m

$138

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 10/29

7:20 am-3:24 pm

1 stop10h 04m

Las Vegas Harry Reid Intl

Fri 10/31

3:20 pm-12:16 am

1 stop6h 56m

$140

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

Wed 11/5

12:05 pm-2:00 pm

Nonstop3h 55m

Las Vegas Harry Reid Intl

Tue 11/11

11:40 pm-5:05 am

Nonstop3h 25m

$141

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 11/14

7:37 pm-9:49 pm

Nonstop4h 12m

Las Vegas Harry Reid Intl

Sun 11/16

5:05 pm-10:47 pm

Nonstop3h 42m

$145

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 11/14

7:37 pm-9:49 pm

Nonstop4h 12m

Las Vegas Harry Reid Intl

Sun 11/16

5:05 pm-10:47 pm

Nonstop3h 42m

$149

ChicagoLas Vegas

MDW - LAS

MDWLAS

Chicago Midway

Sat 11/8

12:30 pm-4:40 pm

1 stop6h 10m

Las Vegas Harry Reid Intl

Tue 11/11

11:40 pm-5:05 am

Nonstop3h 25m

$151

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 1/11

7:40 pm-9:48 pm

Nonstop4h 08m

Las Vegas Harry Reid Intl

Sat 1/17

8:00 am-1:43 pm

Nonstop3h 43m

$159

ChicagoTucson

ORD - TUS

ORDTUS

Chicago O'Hare Intl

Sat 12/6

9:45 am-12:53 pm

Nonstop4h 08m

Tucson

Wed 12/10

1:43 pm-6:23 pm

Nonstop3h 40m

$291

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 Arizona from

How to get the cheapest flight ticket from Chicago 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

What is the cheapest month to fly to Arizona?

The month of August is, on average, the cheapest month to fly to Arizona from Chicago, with most prices found around $229. If you aren’t able to travel to Arizona during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $229.

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

On average, the least expensive day to fly to Arizona from Chicago is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $303. 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 $401.

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 afternoon. Flights from Chicago to Arizona during this time can be as low as $286. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $376 on average. Flights to Arizona from Chicago in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Arizona flight route?

Fly from Chicago Greater Rockford to Phoenix-Mesa Gateway for the best Chicago - Arizona flight prices

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

You are more likely to see cheaper flights to Arizona from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Arizona for around $292 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Arizona from Chicago for as low as $255 on momondo.

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

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

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

Cheap Chicago to Arizona flight deals and tips

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

Best Price Found

$142

Fastest flight time

3h 30m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Arizona

2 airports
The best one-way flight to Arizona from Chicago in the past 72 hours is $142. The best round-trip flight deal from Chicago to Arizona found on momondo in the last 72 hours is $159.
The fastest flight from Chicago to Arizona takes 3h 30m
Direct flights go from Chicago to Arizona on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines and Southwest.
There are 2 airports near Arizona: Phoenix-Mesa Gateway (AZA), Las Vegas Harry Reid Intl (LAS)
Search flight deals

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

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

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

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

    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 Chicago to Arizona.

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

    The travel and health documents required for your trip to Arizona 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 Arizona. 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 Chicago to Arizona?

Best airlines flying from Chicago to Arizona

Compare and see reviews for airlines that fly from Chicago to Arizona with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $69Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,096 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $124Free CancellationRating
7.2
693 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $154Free CancellationRating
8.0
11,095 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $184Free CancellationRating
7.4
8,979 reviews
Search United Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,979 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Arizona. momondo saves you time and could save you money on your trip.

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

All flight searches from Chicago to Arizona on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Arizona from Chicago.

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

Yes momondo offers price alerts on flights to Arizona from Chicago. 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.

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