PHX

$81 Find Cheap Flights from Illinois to Phoenix

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Phoenix departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Phoenix Sky Harbor Intl Airport

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Phoenix

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Phoenix that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Phoenix

Tue, Jul 21 - Sat, Jul 25
Frontier Logo
9:57 pm - 10:11 am
ORD
-
PHX
14h 14m
1 stop
Frontier Logo
11:35 am - 6:17 am
PHX
-
ORD
16h 42m
1 stop
$259Frontier
Tue, Jul 21 - Tue, Jul 28
Southwest Logo
5:30 am - 9:40 am
MDW
-
PHX
6h 10m
1 stop
Southwest Logo
8:00 am - 2:35 pm
PHX
-
MDW
4h 35m
1 stop
$260Southwest
Mon, Aug 17 - Wed, Aug 19
Alaska Airlines Logo
2:20 pm - 10:39 pm
ORD
-
PHX
10h 19m
1 stop
Alaska Airlines Logo
3:15 pm - 1:22 pm
PHX
-
ORD
20h 07m
1 stop
$260Alaska Airlines
Tue, Jul 28 - Tue, Aug 4
Southwest Logo
10:00 am - 3:20 pm
MDW
-
PHX
7h 20m
2 stops
Southwest Logo
10:35 am - 5:10 pm
PHX
-
MDW
4h 35m
1 stop
$261Southwest
Sat, Jul 25 - Sat, Aug 1
Delta Logo
3:55 pm - 8:06 pm
ORD
-
PHX
6h 11m
1 stop
Delta Logo
5:45 am - 5:12 pm
PHX
-
ORD
9h 27m
1 stop
$265Delta
Sat, Jul 25 - Sat, Aug 1
Delta Logo
3:55 pm - 8:06 pm
ORD
-
PHX
6h 11m
1 stop
Delta Logo
1:10 pm - 9:20 pm
PHX
-
ORD
6h 10m
1 stop
$266Delta
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
1:06 pm - 11:24 pm
MLI
-
PHX
12h 18m
1 stop
Multiple Airlines Logo
10:09 pm - 12:16 pm
PHX
-
MLI
12h 07m
1 stop
$308Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
6:32 am - 11:17 am
BMI
-
PHX
6h 45m
1 stop
American Airlines Logo
3:55 pm - 11:59 pm
PHX
-
BMI
6h 04m
1 stop
$328American Airlines
Tue, Jul 28 - Tue, Aug 4
American Airlines Logo
4:30 pm - 9:02 pm
BMI
-
PHX
6h 32m
1 stop
American Airlines Logo
3:28 pm - 12:35 am
PHX
-
BMI
7h 07m
1 stop
$329American Airlines
Sun, Aug 9 - Wed, Aug 19
Multiple Airlines Logo
12:31 pm - 11:27 am
MLI
-
PHX
24h 56m
1 stop
Multiple Airlines Logo
10:09 pm - 12:16 pm
PHX
-
MLI
12h 07m
1 stop
$343Multiple Airlines
Useful Info

Good to know

Low seasonJune
Cheapest flight$81
Best time to beat the crowds but there is an average 17% increase in price.
Most popular time to fly with an average 11% increase in price.
Flight from St. Louis to Phoenix Sky Harbor Airport

Flights from Illinois to Phoenix: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Illinois to Phoenix 
Learn how KAYAK collects reviews and tips from users.
JanieFlew with SWISS
ORD
-
PHX
Feb 2025
I think you should prebook food or bring your own food.
Verified travelerFlew with United Airlines
ORD
-
PHX
Apr 2024
Use the find my gate feature on the flights phone app if available as the airport is a bit confusing

FAQs for booking Illinois to Phoenix flights

  • 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.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Paradise Valley
Globe
Cave Creek
Guadalupe
Morristown

Everything you need to know for your flight to Phoenix

Information on your arrival and departure airports

Phoenix (PHX)