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.

$128 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

Mon, Feb 15 - Tue, Feb 23

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

$260Frontier

Fri, Dec 25 - Wed, Dec 30

7:45 am - 9:04 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

14h 19m1 stop Denver Intl

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

3h 37mnonstop

$260Frontier

Sat, Dec 19 - Thu, Dec 24

9:42 pm - 12:47 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 05mnonstop

12:59 am - 10:23 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

8h 24m1 stop Minneapolis St Paul

$262Multiple Airlines

Mon, Dec 7 - Thu, Dec 10

7:18 pm - 12:47 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

6h 29m1 stop Salt Lake City

11:35 pm - 8:49 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

8h 14m1 stop Atlanta Hartsfield-Jackson

$263Delta

Thu, Dec 10 - Mon, Dec 14

6:49 am - 3:38 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

9h 49m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 7:59 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

7h 24m1 stop Detroit Metropolitan Wayne County

$263Delta

Tue, Nov 24 - Tue, Dec 1

12:22 pm - 6:49 pmRFD Chicago Greater Rockford-PHX Phoenix Sky Harbor Intl

7h 27m1 stop Las Vegas Harry Reid Intl

7:59 pm - 11:57 amPHX Phoenix Sky Harbor Intl-RFD Chicago Greater Rockford

38h 58m2 stops Salt Lake City Las Vegas Harry Reid Intl

$263Multiple Airlines

Mon, Dec 14 - Mon, Dec 14

6:05 am - 11:15 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

6h 10m1 stop Denver Intl

4:20 pm - 11:10 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

5h 50m1 stop Houston Hobby

$264Southwest

Thu, Jan 21 - Sun, Jan 24

5:44 pm - 8:49 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 05mnonstop

9:54 am - 2:36 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 42mnonstop

$266American Airlines

Thu, Nov 12 - Sat, Nov 14

9:30 pm - 12:32 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 02mnonstop

12:20 am - 5:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$266American Airlines

Fri, Dec 4 - Fri, Dec 18

3:45 pm - 8:00 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

5h 15m1 stop Albuquerque

5:10 am - 9:20 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 10mnonstop

$267Southwest

Recent last minute flight deals from Illinois to Phoenix

Wed, Oct 21 - Thu, Nov 12

7:40 am - 1:42 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

8h 02m1 stop Houston George Bush Intcntl

10:09 am - 12:21 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

13h 12m1 stop Denver Intl

$292Frontier

Wed, Oct 21 - Sat, Nov 21

6:30 am - 11:48 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

19h 18m1 stop Denver Intl

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

3h 30mnonstop

$292Frontier

Sun, Oct 25 - Thu, Nov 12

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

10h 39m1 stop Denver Intl

7:39 pm - 6:25 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

21h 46m1 stop Minneapolis St Paul

$394Multiple Airlines

Sun, Oct 25 - Thu, Nov 12

4:20 pm - 6:27 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 07mnonstop

7:39 pm - 6:25 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

21h 46m1 stop Minneapolis St Paul

$403Multiple Airlines

Wed, Oct 21 - Sat, Nov 21

11:05 am - 12:50 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 45mnonstop

8:30 pm - 12:50 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 20mnonstop

$410Southwest

Wed, Oct 21 - Sat, Nov 21

8:40 pm - 10:38 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 58mnonstop

11:26 am - 4:10 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 44mnonstop

$410American Airlines

Wed, Oct 21 - Sat, Nov 21

5:45 am - 7:30 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 45mnonstop

12:25 pm - 6:00 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

4h 35m1 stop Wichita Eisenhower National

$416Southwest

Wed, Oct 21 - Mon, Jan 4

6:48 am - 8:55 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 07mnonstop

12:45 am - 5:22 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$420American Airlines

Wed, Oct 21 - Tue, Jan 5

7:00 am - 8:54 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 54mnonstop

9:48 am - 2:30 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 42mnonstop

$420United Airlines

Sat, Oct 24 - Wed, Oct 28

8:25 am - 12:56 pmMLI Moline Quad-City-PHX Phoenix Sky Harbor Intl

6h 31m1 stop Chicago O'Hare Intl

12:00 pm - 9:12 pmPHX Phoenix Sky Harbor Intl-MLI Moline Quad-City

7h 12m1 stop Denver Intl

$444United Airlines

Recent direct flight deals from Illinois to Phoenix

Mon, Feb 15 - Tue, Feb 23

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

$260Frontier

Sun, Feb 14 - Thu, Feb 18

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

$260Frontier

Fri, Nov 20 - Sun, Nov 22

12:05 pm - 3:15 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 10mnonstop

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

3h 30mnonstop

$260Frontier

Thu, Jan 21 - Sun, Jan 24

5:44 pm - 8:49 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 05mnonstop

9:54 am - 2:36 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 42mnonstop

$266American Airlines

Thu, Nov 12 - Sat, Nov 14

9:30 pm - 12:32 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 02mnonstop

12:20 am - 5:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$266American Airlines

Fri, Jan 22 - Tue, Jan 26

12:30 pm - 3:15 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 45mnonstop

7:10 am - 11:20 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 10mnonstop

$268Southwest

Fri, Jan 15 - Sun, Jan 17

8:30 pm - 11:25 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

1:30 am - 5:45 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 15mnonstop

$280Southwest

Thu, Nov 12 - Mon, Nov 16

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

4h 03mnonstop

5:22 pm - 10:00 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 38mnonstop

$283United Airlines

Thu, Nov 5 - Fri, Nov 6

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

4h 03mnonstop

3:37 pm - 8:14 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$283United Airlines

Wed, Nov 11 - Thu, Nov 19

8:50 pm - 11:50 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 00mnonstop

4:51 pm - 9:32 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 41mnonstop

$283American Airlines

Useful Info

Low season	August
High season	March
Cheapest flight	$128

Best time to beat the crowds but there is an average 2% 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.