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.

$105 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 13 - Sat, Nov 14

9:45 pm - 12:40 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

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

3h 10mnonstop

$261Southwest

Fri, Dec 11 - Sat, Dec 12

5:15 am - 8:10 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

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

3h 10mnonstop

$261Southwest

Fri, Feb 19 - Fri, Feb 26

2:54 pm - 11:16 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

9h 22m1 stop San Diego

10:15 am - 7:55 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

8h 40m1 stop Seattle/Tacoma Intl

$261Alaska Airlines

Fri, Feb 5 - Mon, Feb 8

6:21 am - 5:43 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

12h 22m1 stop Denver Intl

9:38 pm - 12:26 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

25h 48m1 stop Denver Intl

$261Frontier

Wed, Dec 23 - Mon, Jan 11

8:00 pm - 11:09 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 09mnonstop

4:28 pm - 8:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 30mnonstop

$261Frontier

Wed, Dec 2 - Mon, Dec 7

10:42 pm - 1:39 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 57mnonstop

12:23 am - 5:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$263American Airlines

Tue, Jan 19 - Sat, Jan 23

7:20 am - 10:24 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 04mnonstop

1:19 pm - 5:59 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$263American Airlines

Mon, Dec 21 - Tue, Dec 29

8:00 pm - 11:06 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 06mnonstop

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

3h 40mnonstop

$263United Airlines

Sat, Nov 14 - Sat, Nov 14

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

4h 09mnonstop

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

3h 38mnonstop

$263United Airlines

Wed, Dec 2 - Tue, Mar 30

9:00 am - 7:51 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

11h 51m1 stop Seattle/Tacoma Intl

12:55 pm - 11:59 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

9h 04m1 stop Seattle/Tacoma Intl

$272Alaska Airlines

Recent last minute flight deals from Illinois to Phoenix

Wed, Oct 28 - Tue, Nov 10

12:27 pm - 11:00 pmMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

12h 33m1 stop Dallas/Fort Worth

7:21 pm - 11:22 amPHX Phoenix Sky Harbor Intl-MDW Chicago Midway

15h 01m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

$275Frontier

Wed, Oct 28 - Tue, Nov 10

2:11 pm - 12:51 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

24h 40m1 stop Houston George Bush Intcntl

7:21 pm - 3:31 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

19h 10m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

$280Frontier

Wed, Oct 28 - Tue, Nov 10

6:17 pm - 8:21 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 04mnonstop

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

3h 31mnonstop

$360American Airlines

Wed, Oct 28 - Tue, Nov 10

3:13 pm - 5:15 pmORD 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

$360American Airlines

Wed, Oct 28 - Mon, Nov 9

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

3h 45mnonstop

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

3h 10mnonstop

$360Southwest

Wed, Oct 28 - Tue, Nov 10

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

3h 45mnonstop

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

3h 10mnonstop

$360Southwest

Tue, Oct 27 - Tue, Nov 3

7:20 am - 3:00 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

9h 40m1 stop San Diego

3:46 pm - 12:21 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

7h 35m1 stop Denver Intl

$381Multiple Airlines

Wed, Oct 28 - Tue, Nov 10

11:15 am - 11:42 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

14h 27m3 stops Cape Girardeau Dallas/Fort Worth Denver Intl

7:21 pm - 3:31 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

19h 10m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

$409Multiple Airlines

Fri, Oct 30 - Sat, Jan 9

8:41 am - 12:37 pmPIA Greater Peoria-PHX Phoenix Sky Harbor Intl

5h 56m1 stop Denver Intl

12:55 pm - 9:10 pmPHX Phoenix Sky Harbor Intl-PIA Greater Peoria

7h 15m1 stop Denver Intl

$429United Airlines

Fri, Oct 30 - Fri, Jan 8

6:25 am - 1:14 pmPIA Greater Peoria-PHX Phoenix Sky Harbor Intl

8h 49m1 stop Chicago O'Hare Intl

12:21 pm - 6:57 pmPHX Phoenix Sky Harbor Intl-PIA Greater Peoria

5h 36m1 stop Chicago O'Hare Intl

$429United Airlines

Recent direct flight deals from Illinois to Phoenix

Wed, Dec 23 - Mon, Jan 11

8:00 pm - 11:09 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 09mnonstop

4:28 pm - 8:58 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 30mnonstop

$261Frontier

Fri, Nov 13 - Sat, Nov 14

9:45 pm - 12:40 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

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

3h 10mnonstop

$261Southwest

Fri, Dec 11 - Sat, Dec 12

5:15 am - 8:10 amMDW Chicago Midway-PHX Phoenix Sky Harbor Intl

3h 55mnonstop

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

3h 10mnonstop

$261Southwest

Fri, Nov 20 - Mon, Nov 23

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

$262Frontier

Fri, Feb 19 - Mon, Feb 22

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

$262Frontier

Wed, Dec 2 - Mon, Dec 7

10:42 pm - 1:39 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

3h 57mnonstop

12:23 am - 5:00 amPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 37mnonstop

$263American Airlines

Tue, Jan 19 - Sat, Jan 23

7:20 am - 10:24 amORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 04mnonstop

1:19 pm - 5:59 pmPHX Phoenix Sky Harbor Intl-ORD Chicago O'Hare Intl

3h 40mnonstop

$263American Airlines

Mon, Dec 21 - Tue, Dec 29

8:00 pm - 11:06 pmORD Chicago O'Hare Intl-PHX Phoenix Sky Harbor Intl

4h 06mnonstop

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

3h 40mnonstop

$263United Airlines

Sat, Nov 14 - Sat, Nov 14

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

4h 09mnonstop

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

3h 38mnonstop

$263United Airlines

Tue, Dec 8 - Mon, Dec 14

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	$105

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 Moline 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.