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Cheap flights from Arizona to Chicago from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Chicago departing on 3/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:12 am - 4:53 pm
PHX
-
ORD
3h 41mnonstop
Frontier Logo
7:43 am - 10:02 am
ORD
-
PHX
4h 19mnonstop
$84Frontier
Fri, Apr 17 - Mon, Apr 20
Frontier Logo
11:24 am - 4:01 pm
PHX
-
ORD
3h 37mnonstop
Frontier Logo
7:00 am - 9:14 am
ORD
-
PHX
4h 14mnonstop
$85Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
11:59 pm - 3:52 pm
PHX
-
ORD
14h 53m
1 stop
Frontier Logo
7:00 am - 9:14 am
ORD
-
PHX
4h 14mnonstop
$92Frontier
Tue, Mar 3 - Tue, Mar 10
Frontier Logo
11:12 am - 4:53 pm
PHX
-
ORD
3h 41mnonstop
Frontier Logo
7:43 am - 10:02 am
ORD
-
PHX
4h 19mnonstop
$93Frontier
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
8:02 pm - 5:31 am
PHX
-
ORD
7h 29m
1 stop
Multiple Airlines Logo
7:43 am - 10:02 am
ORD
-
PHX
4h 19mnonstop
$100Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
2:05 pm - 5:31 am
PHX
-
ORD
13h 26m
1 stop
Multiple Airlines Logo
7:43 am - 10:02 am
ORD
-
PHX
4h 19mnonstop
$105Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Spirit Airlines Logo
11:59 pm - 5:31 am
LAS
-
ORD
3h 32mnonstop
Spirit Airlines Logo
6:00 am - 10:26 am
ORD
-
LAS
6h 26m
1 stop
$136Spirit Airlines
Wed, May 27 - Wed, Jun 3
Spirit Airlines Logo
6:00 am - 8:25 pm
LAS
-
ORD
12h 25m
1 stop
Spirit Airlines Logo
8:53 pm - 10:54 pm
ORD
-
LAS
4h 01mnonstop
$139Spirit Airlines
Fri, Apr 17 - Sun, Apr 19
American Airlines Logo
12:28 pm - 6:05 pm
TUS
-
ORD
3h 37mnonstop
American Airlines Logo
10:06 pm - 11:58 pm
ORD
-
TUS
3h 52mnonstop
$302American Airlines
Wed, Apr 8 - Sat, Apr 11
American Airlines Logo
4:50 pm - 12:51 am
FLG
-
ORD
6h 01m
1 stop
American Airlines Logo
5:00 am - 11:11 am
ORD
-
FLG
8h 11m
1 stop
$356American Airlines
Tue, Mar 31 - Sun, Apr 5

Spirit Airlines flights from Arizona to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on Arizona to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
May 27
LAS11:59 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:31 amChicago O'Hare Intl
Jun 3
ORD6:00 amChicago O'Hare Intl
6h 26m
1 stop
LAS10:26 amLas Vegas Harry Reid Intl
$136
Spirit Airlines
Apr 17
LAS11:59 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:31 amChicago O'Hare Intl
Apr 19
ORD9:20 pmChicago O'Hare Intl
15h 06m
1 stop
LAS10:26 amLas Vegas Harry Reid Intl
$139
Spirit Airlines
Apr 16
LAS11:59 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:31 amChicago O'Hare Intl
Apr 19
ORD9:20 pmChicago O'Hare Intl
15h 06m
1 stop
LAS10:26 amLas Vegas Harry Reid Intl
$140

Frontier flights from Arizona to Chicago O'Hare Intl Airport

Our best Frontier deals on Arizona to Chicago O'Hare Intl Airport flight tickets
Frontier
Apr 17
PHX11:12 amPhoenix Sky Harbor Intl
3h 41m
ORD4:53 pmChicago O'Hare Intl
Apr 20
ORD7:43 amChicago O'Hare Intl
4h 19m
PHX10:02 amPhoenix Sky Harbor Intl
$84
Frontier
Mar 6
PHX11:24 amPhoenix Sky Harbor Intl
3h 37m
ORD4:01 pmChicago O'Hare Intl
Mar 9
ORD7:00 amChicago O'Hare Intl
4h 14m
PHX9:14 amPhoenix Sky Harbor Intl
$85
Frontier
Mar 3
PHX11:59 pmPhoenix Sky Harbor Intl
14h 53m
1 stop
ORD3:52 pmChicago O'Hare Intl
Mar 10
ORD7:00 amChicago O'Hare Intl
4h 14m
PHX9:14 amPhoenix Sky Harbor Intl
$92

momondo Fare Finder

 
Customize your flight search to find flights from Arizona to Chicago O'Hare Intl Airport 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 February 8, 2026.
Use the filters below to find and compare flights from Arizona to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 4/17

11:12 am-4:53 pm

Nonstop3h 41m

Chicago O'Hare Intl

Mon 4/20

7:43 am-10:02 am

Nonstop4h 19m

$84

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 3/6

11:24 am-4:01 pm

Nonstop3h 37m

Chicago O'Hare Intl

Mon 3/9

7:00 am-9:14 am

Nonstop4h 14m

$85

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 3/3

11:59 pm-3:52 pm

1 stop14h 53m

Chicago O'Hare Intl

Tue 3/10

7:00 am-9:14 am

Nonstop4h 14m

$92

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 4/24

11:12 am-4:53 pm

Nonstop3h 41m

Chicago O'Hare Intl

Mon 4/27

7:43 am-10:02 am

Nonstop4h 19m

$93

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 4/15

8:02 pm-5:31 am

1 stop7h 29m

Chicago O'Hare Intl

Sun 4/19

7:43 am-10:02 am

Nonstop4h 19m

$100

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 4/15

2:05 pm-5:31 am

1 stop13h 26m

Chicago O'Hare Intl

Sun 4/19

7:43 am-10:02 am

Nonstop4h 19m

$105

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 5/27

11:59 pm-5:31 am

Nonstop3h 32m

Chicago O'Hare Intl

Wed 6/3

6:00 am-10:26 am

1 stop6h 26m

$136

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 4/17

6:00 am-8:25 pm

1 stop12h 25m

Chicago O'Hare Intl

Sun 4/19

8:53 pm-10:54 pm

Nonstop4h 01m

$139

TucsonChicago

TUS - ORD

TUSORD

Tucson

Wed 4/8

12:28 pm-6:05 pm

Nonstop3h 37m

Chicago O'Hare Intl

Sat 4/11

10:06 pm-11:58 pm

Nonstop3h 52m

$302

FlagstaffChicago

FLG - ORD

FLGORD

Flagstaff Pulliam

Tue 3/31

4:50 pm-12:51 am

1 stop6h 01m

Chicago O'Hare Intl

Sun 4/5

5:00 am-11:11 am

1 stop8h 11m

$356

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 Chicago from

How to get the cheapest flight ticket from Arizona to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Arizona averaging around $217.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $350. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Arizona because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $598.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Arizona in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $309 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $576. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Arizona to Chicago O'Hare Intl flight route?

Fly from Phoenix Sky Harbor Intl to Chicago O'Hare Intl for the best Arizona - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $274 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Arizona for as low as $237 on momondo.

What cabin class options are available on Arizona to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Arizona to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Arizona to Chicago O'Hare Intl Airport.

Cheap Arizona to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Arizona to Chicago O'Hare Intl Airport

Best Price Found

$143

Fastest flight time

3h 25m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Arizona in the past 72 hours is $143. The best round-trip flight deal from Arizona to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $251.
The fastest flight from Arizona to Chicago O'Hare Intl Airport takes 3h 25m
Direct flights go from Arizona to Chicago O'Hare Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Arizona to Chicago O'Hare Intl Airport?

    Prices for flights from Arizona to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Arizona to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Arizona to Chicago O'Hare Intl Airport?

    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 Arizona to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. 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 Chicago O'Hare Intl Airport?

Best airlines flying from Arizona to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Arizona to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $65Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $79Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,172 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Oak Brook
Joliet
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Arizona to Chicago for you.

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

Flights from Arizona to Chicago 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 Chicago?

momondo helps you find the best flight between Arizona and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Arizona and alert you when they change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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