How does KAYAK find such low prices on flights from Illinois to Phoenix?

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 Illinois to Phoenix.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix from Illinois 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 Illinois to Phoenix?

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 Phoenix with an airline and back to Illinois with another airline.

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

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 Phoenix from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$129 CHEAP FLIGHTS from Illinois to Phoenix (PHX)

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Flight Deals

Cheap Flights from Illinois to Phoenix

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Phoenix

Thu, Nov 26 - Thu, Dec 3

10:00 pm - 8:23 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

23h 23m1 stop Los Angeles

12:52 pm - 4:59 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

15h 07m1 stop Las Vegas Harry Reid Intl

$253Frontier

Sat, Dec 19 - Mon, Dec 21

8:35 pm - 12:44 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

17h 09m1 stop Orlando

10:53 pm - 7:30 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

19h 37m1 stop Orlando

$253Frontier

Tue, Dec 8 - Tue, Dec 15

7:27 am - 3:26 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

8h 59m1 stop San Diego

7:53 pm - 12:54 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

28h 01m1 stop Denver Intl

$258Multiple Airlines

Tue, Dec 8 - Tue, Dec 15

7:25 am - 4:49 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

10h 24m1 stop Denver Intl

11:09 am - 7:00 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

6h 51m1 stop San Diego

$258Multiple Airlines

Mon, Dec 21 - Thu, Dec 24

7:00 am - 3:50 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

9h 50m1 stop San Diego

6:00 am - 1:19 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

6h 19m1 stop San Diego

$263Alaska Airlines

Sat, Dec 19 - Mon, Dec 21

7:58 pm - 9:50 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

14h 52m1 stop San Diego

6:00 am - 1:19 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

6h 19m1 stop San Diego

$263Alaska Airlines

Fri, Dec 11 - Mon, Dec 14

7:00 pm - 10:01 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 01mnonstop

7:14 pm - 11:38 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 24mnonstop

$283American Airlines

Thu, Dec 24 - Wed, Dec 30

1:35 pm - 4:30 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

8:35 pm - 12:59 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 24mnonstop

$283American Airlines

Thu, Dec 17 - Fri, Dec 18

7:01 am - 10:04 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

8:05 am - 12:45 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$283United Airlines

Fri, Dec 4 - Mon, Dec 7

7:15 am - 10:18 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

4:02 pm - 8:40 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 38mnonstop

$283United Airlines

Recent last minute flight deals from Illinois to Phoenix

Sun, Nov 15 - Sun, Dec 6

5:15 pm - 11:09 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

6h 54m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:24 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 24mnonstop

$254Frontier

Sat, Nov 14 - Mon, Dec 21

4:36 pm - 11:55 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

8h 19m1 stop Dallas/Fort Worth

2:18 pm - 6:55 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$257Frontier

Sat, Nov 14 - Sun, Dec 20

4:36 pm - 11:55 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

8h 19m1 stop Dallas/Fort Worth

8:55 pm - 9:48 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

11h 53m2 stops Las Vegas Harry Reid Intl Minneapolis St Paul

$370Multiple Airlines

Mon, Nov 16 - Sun, Dec 20

5:15 pm - 11:09 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

6h 54m1 stop Las Vegas Harry Reid Intl

6:31 pm - 9:48 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

14h 17m2 stops Las Vegas Harry Reid Intl Minneapolis St Paul

$388Multiple Airlines

Sat, Nov 14 - Tue, Dec 8

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

4h 00mnonstop

7:14 pm - 11:38 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 24mnonstop

$408American Airlines

Sat, Nov 14 - Sat, Dec 19

1:26 pm - 4:25 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 59mnonstop

3:59 pm - 8:40 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 41mnonstop

$408American Airlines

Sat, Nov 14 - Tue, Dec 22

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

4h 03mnonstop

8:05 am - 12:45 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$408United Airlines

Sat, Nov 14 - Sat, Dec 19

9:15 am - 12:24 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 09mnonstop

5:25 pm - 10:00 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 35mnonstop

$408United Airlines

Sat, Nov 14 - Sat, Nov 21

5:13 pm - 11:26 pmMLI Moline Quad-City-PHX Phoenix Sky Harbor Intl

7h 13m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 11:08 pmPHX Phoenix Sky Harbor Intl-MLI Moline Quad-City

7h 08m1 stop Atlanta Hartsfield-Jackson

$434Delta

Fri, Nov 13 - Thu, Nov 26

6:01 am - 12:08 pmBMI Bloomington-Normal-PHX Phoenix Sky Harbor Intl

7h 07m1 stop Atlanta Hartsfield-Jackson

6:00 am - 2:54 pmPHX Phoenix Sky Harbor Intl-BMI Bloomington-Normal

7h 54m1 stop Atlanta Hartsfield-Jackson

$439Delta

Recent direct flight deals from Illinois to Phoenix

Fri, Feb 5 - Mon, Feb 8

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

4h 09mnonstop

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

3h 37mnonstop

$254Frontier

Mon, Dec 14 - Fri, Dec 18

11:29 am - 2:32 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

2:18 pm - 6:55 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$254Frontier

Mon, Feb 22 - Fri, Feb 26

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

4h 09mnonstop

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

3h 37mnonstop

$254Frontier

Fri, Feb 5 - Mon, Feb 8

6:55 pm - 9:55 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

4h 00mnonstop

7:30 pm - 11:50 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 20mnonstop

$283Southwest

Sat, Dec 12 - Tue, Dec 15

5:05 am - 7:55 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 50mnonstop

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

3h 10mnonstop

$283Southwest

Fri, Dec 11 - Mon, Dec 14

7:00 pm - 10:01 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 01mnonstop

7:14 pm - 11:38 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 24mnonstop

$283American Airlines

Thu, Dec 24 - Wed, Dec 30

1:35 pm - 4:30 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

8:35 pm - 12:59 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 24mnonstop

$283American Airlines

Fri, Dec 4 - Mon, Dec 7

7:15 am - 10:18 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

4:02 pm - 8:40 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 38mnonstop

$283United Airlines

Thu, Dec 17 - Fri, Dec 18

7:01 am - 10:04 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

8:05 am - 12:45 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$283United Airlines

Sat, Jan 30 - Sun, Feb 7

6:10 pm - 9:10 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

4h 00mnonstop

1:25 am - 5:45 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 20mnonstop

$283Southwest

Useful Info

Low season	July
High season	March
Cheapest flight	$129

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly with an average 3% increase in price.

Flight from Chicago Midway Airport to Phoenix Sky Harbor Airport

JanieFlew with SWISS-Feb 2025

I think you should prebook food or bring your own food.

Verified travelerFlew with United Airlines-Apr 2024

Use the find my gate feature on the flights phone app if available as the airport is a bit confusing

How does KAYAK find such low prices on flights from Illinois to Phoenix?
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 Illinois to Phoenix.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Phoenix?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix from Illinois 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 Illinois to Phoenix?
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 Phoenix with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Phoenix?
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 Phoenix from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.