How does KAYAK find such low prices on flights from Arizona to Chicago?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Arizona to Chicago?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Arizona with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to Chicago?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$125 CHEAP FLIGHTS from Arizona to Chicago

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Cheap Flights from Arizona to Chicago

Cheap flights from Arizona to Chicago with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Direct

Fri, Nov 20 - Wed, Dec 2

6:30 am - 11:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 30mnonstop

7:00 am - 8:58 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

14h 58m1 stop Denver Intl

$230Frontier

Thu, Jan 7 - Mon, Jan 11

7:47 am - 12:26 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

15h 39m2 stops Dallas/Fort Worth Denver Intl

8:14 pm - 11:23 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 09mnonstop

$230Frontier

Mon, Oct 26 - Thu, Oct 29

4:55 pm - 12:50 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

5h 55m1 stop San Diego

6:00 pm - 9:20 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

5h 20m1 stop El Paso

$234Southwest

Wed, Dec 2 - Mon, Dec 7

11:00 am - 3:11 pmAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 11mnonstop

1:01 pm - 3:45 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 44mnonstop

$235Allegiant Air

Wed, Nov 18 - Fri, Nov 27

1:35 am - 5:45 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 10mnonstop

5:10 am - 8:05 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

$236Southwest

Tue, Oct 27 - Fri, Oct 30

7:04 pm - 12:35 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 31mnonstop

5:00 am - 6:50 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 50mnonstop

$236American Airlines

Fri, Oct 30 - Mon, Nov 2

12:23 pm - 6:02 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

5:00 am - 8:15 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 15mnonstop

$236American Airlines

Fri, Dec 4 - Wed, Dec 9

1:45 pm - 6:24 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

10:43 am - 1:48 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 05mnonstop

$236United Airlines

Fri, Oct 30 - Mon, Nov 2

12:50 pm - 6:29 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

8:37 pm - 11:40 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

$236United Airlines

Mon, Nov 9 - Wed, Nov 11

7:00 am - 11:13 amAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 13mnonstop

1:13 pm - 3:44 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 31mnonstop

$238Allegiant Air

Tue, Oct 13 - Tue, Oct 20

3:29 pm - 12:24 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

6h 55m1 stop Denver Intl

8:46 am - 8:42 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

13h 56m1 stop Orlando

$262Frontier

Sat, Oct 10 - Wed, Oct 14

4:18 pm - 12:29 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

6h 11m1 stop Dallas/Fort Worth

6:30 am - 3:09 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

10h 39m1 stop Denver Intl

$262Frontier

Wed, Oct 14 - Wed, Oct 21

8:10 am - 1:17 pmAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 07mnonstop

2:07 pm - 3:38 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 31mnonstop

$286Allegiant Air

Sat, Oct 10 - Wed, Oct 14

3:01 pm - 8:08 pmAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 07mnonstop

2:07 pm - 3:38 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 31mnonstop

$297Allegiant Air

Tue, Oct 13 - Tue, Nov 3

11:33 pm - 5:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 27mnonstop

7:00 pm - 9:57 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 57mnonstop

$344American Airlines

Tue, Oct 13 - Tue, Nov 3

4:29 pm - 11:59 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

5h 30m1 stop Denver Intl

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

4h 02mnonstop

$354United Airlines

Mon, Oct 12 - Tue, Nov 3

12:35 am - 5:45 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 10mnonstop

5:20 pm - 9:20 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

5h 00m1 stop Kansas City

$354Southwest

Tue, Oct 13 - Tue, Nov 3

5:25 pm - 10:45 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 20mnonstop

10:15 am - 4:20 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

7h 05m2 stops Oklahoma City Will Rogers World Denver Intl

$355Southwest

Tue, Oct 13 - Fri, Oct 30

11:33 pm - 5:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 27mnonstop

5:00 am - 6:50 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 50mnonstop

$373American Airlines

Mon, Oct 12 - Tue, Oct 27

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

3h 39mnonstop

2:10 pm - 4:12 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 02mnonstop

$403United Airlines

Wed, Feb 24 - Sun, Feb 28

2:32 pm - 7:09 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

8:14 pm - 11:23 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 09mnonstop

$235Frontier

Wed, Dec 2 - Mon, Dec 7

11:00 am - 3:11 pmAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 11mnonstop

1:01 pm - 3:45 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 44mnonstop

$235Allegiant Air

Tue, Oct 27 - Fri, Oct 30

7:04 pm - 12:35 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 31mnonstop

5:00 am - 6:50 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 50mnonstop

$236American Airlines

Fri, Oct 30 - Mon, Nov 2

12:23 pm - 6:02 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

5:00 am - 8:15 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 15mnonstop

$236American Airlines

Fri, Dec 4 - Wed, Dec 9

1:45 pm - 6:24 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

10:43 am - 1:48 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 05mnonstop

$236United Airlines

Fri, Oct 30 - Mon, Nov 2

12:50 pm - 6:29 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

8:37 pm - 11:40 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

$236United Airlines

Wed, Nov 18 - Fri, Nov 27

1:35 am - 5:45 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 10mnonstop

5:10 am - 8:05 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

$236Southwest

Fri, Nov 6 - Mon, Nov 9

7:35 pm - 11:50 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 15mnonstop

8:50 pm - 11:35 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 45mnonstop

$236Southwest

Fri, Dec 4 - Thu, Dec 10

6:00 am - 10:30 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 30mnonstop

11:38 am - 2:37 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 59mnonstop

$238Frontier

Mon, Nov 9 - Wed, Nov 11

7:00 am - 11:13 amAZA Phoenix-Mesa Gateway-RFD Chicago Greater Rockford

3h 13mnonstop

1:13 pm - 3:44 pmRFD Chicago Greater Rockford-AZA Phoenix-Mesa Gateway

3h 31mnonstop

$238Allegiant Air

Low season	January
High season	July
Cheapest flight	$125

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Phoenix Sky Harbor Airport to Chicago O'Hare Airport

How does KAYAK find such low prices on flights from Arizona to Chicago?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to Chicago.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to Chicago?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Arizona to Chicago?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Arizona with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to Chicago?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.