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.

$121 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

Fri, Nov 6 - Fri, Nov 20

12:20 pm - 11:55 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

12h 35m1 stop Dallas/Fort Worth

7:34 pm - 7:37 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

11h 03m1 stop Dallas/Fort Worth

$257Frontier

Wed, Dec 9 - Sun, Dec 13

10:20 am - 8:34 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

11h 14m1 stop Dallas/Fort Worth

9:29 pm - 9:25 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

10h 56m1 stop Dallas/Fort Worth

$257Frontier

Fri, Nov 27 - Thu, Dec 3

6:00 am - 1:50 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

8h 50m1 stop Atlanta Hartsfield-Jackson

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

8h 14m1 stop Atlanta Hartsfield-Jackson

$257Delta

Fri, Feb 26 - Mon, Mar 1

7:40 am - 12:45 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

6h 05m1 stop Louisville Intl

11:10 am - 4:45 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

4h 35m1 stop Wichita Eisenhower National

$258Southwest

Mon, Nov 9 - Wed, Nov 11

7:00 am - 11:44 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

5h 44m1 stop Denver Intl

6:20 pm - 10:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 38mnonstop

$258United Airlines

Fri, Nov 13 - Mon, Nov 16

10:15 am - 2:25 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

5h 10m1 stop Wichita Eisenhower National

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

3h 10mnonstop

$259Southwest

Fri, Jan 8 - Fri, Jan 8

7:00 am - 10:03 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

5:11 pm - 9:45 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 34mnonstop

$261United Airlines

Fri, Nov 13 - Mon, Nov 16

5:29 pm - 8:36 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 07mnonstop

5:00 am - 9:31 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 31mnonstop

$261American Airlines

Thu, Nov 12 - Thu, Nov 12

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

4h 15mnonstop

4:13 pm - 9:00 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 47mnonstop

$261American Airlines

Fri, Dec 11 - Wed, Dec 16

5:30 pm - 12:28 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

7h 58m1 stop Minneapolis St Paul

12:59 am - 8:55 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

6h 56m1 stop Minneapolis St Paul

$266Delta

Recent last minute flight deals from Illinois to Phoenix

Tue, Oct 13 - Wed, Dec 9

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

19h 18m1 stop Denver Intl

10:24 am - 12:54 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

13h 30m1 stop Denver Intl

$270Frontier

Tue, Oct 13 - Tue, Dec 8

8:01 pm - 5:56 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

23h 55m1 stop Los Angeles

7:52 pm - 12:54 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

28h 02m1 stop Denver Intl

$270Frontier

Tue, Oct 13 - Tue, Dec 8

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

8h 02m1 stop Houston George Bush Intcntl

7:00 am - 4:31 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

8h 31m1 stop Seattle/Tacoma Intl

$334Multiple Airlines

Tue, Oct 13 - Tue, Dec 8

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

8h 02m1 stop Houston George Bush Intcntl

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

6h 51m1 stop San Diego

$334Multiple Airlines

Tue, Oct 13 - Tue, Dec 8

10:45 pm - 12:44 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 59mnonstop

7:06 am - 11:39 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 33mnonstop

$344American Airlines

Tue, Oct 13 - Wed, Dec 9

10:45 pm - 12:44 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 59mnonstop

4:17 pm - 8:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 41mnonstop

$344American Airlines

Tue, Oct 13 - Tue, Dec 8

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

3h 54mnonstop

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

3h 39mnonstop

$344United Airlines

Tue, Oct 13 - Mon, Dec 7

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

3h 45mnonstop

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

3h 10mnonstop

$344Southwest

Tue, Oct 13 - Tue, Dec 8

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

3h 45mnonstop

1:35 pm - 7:50 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

5h 15m1 stop Louisville Intl

$350Southwest

Tue, Oct 13 - Tue, Dec 8

7:00 am - 10:48 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

5h 48m1 stop Denver Intl

8:00 am - 12:39 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 39mnonstop

$354United Airlines

Recent direct flight deals from Illinois to Phoenix

Wed, Feb 24 - Sun, Feb 28

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

$257Frontier

Thu, Feb 25 - Sun, Feb 28

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

$257Frontier

Sat, Mar 6 - Sat, Mar 13

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

$257Frontier

Fri, Nov 13 - Mon, Nov 16

5:29 pm - 8:36 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 07mnonstop

5:00 am - 9:31 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 31mnonstop

$261American Airlines

Thu, Nov 12 - Thu, Nov 12

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

4h 15mnonstop

4:13 pm - 9:00 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 47mnonstop

$261American Airlines

Fri, Jan 8 - Fri, Jan 8

7:00 am - 10:03 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 03mnonstop

5:11 pm - 9:45 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 34mnonstop

$261United Airlines

Fri, Dec 11 - Fri, Dec 11

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

4h 09mnonstop

6:20 pm - 10:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 38mnonstop

$261United Airlines

Mon, Nov 2 - Thu, Nov 5

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

4h 00mnonstop

5:18 pm - 9:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$261American Airlines

Wed, Nov 25 - Mon, Jan 4

10:55 pm - 1:55 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

4h 00mnonstop

7:35 pm - 11:45 pmPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

3h 10mnonstop

$263Southwest

Wed, Nov 18 - Sat, Nov 21

8:50 pm - 11:40 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 50mnonstop

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

3h 10mnonstop

$263Southwest

Useful Info

Low season	August
High season	March
Cheapest flight	$121

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 O'Hare 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.