HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$82+ Cheap flights from Phoenix to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Chicago with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phoenix to Chicago are usually found in January or February, booked 87 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Phoenix to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$137
(Cheapflightsfares)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$238
From Phoenix to Chicago (CHI)
Search Deals
One-way flight from Phoenix to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Phoenix to Chicago

Cheapest flights from Phoenix to Chicago
Explore the most affordable flight options available from Phoenix to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This eDestinos deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/317:45 pmPHX - ORD
Nonstop3h 30mFrontier
dom. 11/25:00 amORD - PHX
1 stop6h 25mFrontier
Deal found 9/17$136
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/82:23 pmPHX - ORD
1 stop8h 06mFrontier
mar. 11/1111:00 amORD - PHX
Nonstop3h 52mFrontier
Deal found 9/17$137
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1610:39 amPHX - MDW
Nonstop3h 26mFrontier
lun. 10/2010:56 pmMDW - PHX
Nonstop3h 51mFrontier
Deal found 9/15$137
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/233:30 pmPHX - ORD
Nonstop3h 40mFrontier
lun. 10/271:53 pmORD - PHX
Nonstop3h 56mFrontier
Deal found 9/15$138
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2310:39 amPHX - MDW
Nonstop3h 26mFrontier
lun. 10/2710:56 pmMDW - PHX
Nonstop3h 51mFrontier
Deal found 9/15$138
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:08 pmPHX - ORD
Nonstop3h 35mFrontier
vie. 11/71:36 pmORD - PHX
1 stop10h 27mFrontier
Deal found 9/17$139
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3011:28 amPHX - MDW
Nonstop3h 25mFrontier
dom. 11/29:00 amMDW - PHX
Nonstop3h 54mFrontier
Deal found 9/17$139
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/78:08 pmPHX - ORD
Nonstop3h 35mFrontier
dom. 11/93:30 pmORD - PHX
Nonstop4h 04mFrontier
Deal found 9/16$140
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1312:58 pmPHX - MDW
Nonstop3h 24mFrontier
dom. 11/169:00 amMDW - PHX
Nonstop3h 54mFrontier
Deal found 9/16$140
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1712:28 pmPHX - MDW
Nonstop3h 24mFrontier
jue. 12/46:00 amMDW - PHX
Nonstop4h 04mFrontier
Deal found 9/15$141
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/233:30 pmPHX - ORD
Nonstop3h 40mFrontier
jue. 10/301:36 pmORD - PHX
1 stop11h 27mFrontier
Deal found 9/14$142
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/141:45 pmAZA - RFD
Nonstop3h 05mAllegiant Air
mié. 11/192:05 pmRFD - AZA
Nonstop3h 33mAllegiant Air
Deal found 9/17$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Phoenix to Chicago that are best for you.

Fly from

Phoenix

Fly to

Chicago

Route

Depart

Return

Price

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

vie. 10/31

3:25 pm-8:35 pm

Nonstop3h 10m

Chicago Greater Rockford

lun. 11/3

8:40 pm-11:11 pm

Nonstop3h 31m

$150

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

vie. 11/14

1:45 pm-5:50 pm

Nonstop3h 05m

Chicago Greater Rockford

mié. 11/19

2:05 pm-4:38 pm

Nonstop3h 33m

$152

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

vie. 10/24

3:25 pm-8:35 pm

Nonstop3h 10m

Chicago Greater Rockford

lun. 10/27

9:40 pm-11:11 pm

Nonstop3h 31m

$161

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

sáb. 10/11

7:00 am-12:10 pm

Nonstop3h 10m

Chicago Greater Rockford

sáb. 10/18

1:00 pm-2:31 pm

Nonstop3h 31m

$161

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

vie. 10/3

2:55 pm-8:05 pm

Nonstop3h 10m

Chicago Greater Rockford

vie. 10/10

8:55 pm-10:26 pm

Nonstop3h 31m

$182

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

mié. 10/15

2:56 pm-8:06 pm

Nonstop3h 10m

Chicago Greater Rockford

sáb. 10/18

1:00 pm-2:31 pm

Nonstop3h 31m

$188

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

vie. 10/3

2:55 pm-8:05 pm

Nonstop3h 10m

Chicago Greater Rockford

lun. 10/6

8:55 pm-10:26 pm

Nonstop3h 31m

$193

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

mié. 10/15

6:50 pm-12:05 am

Nonstop3h 15m

Chicago Midway

mié. 10/22

10:35 am-12:20 pm

Nonstop3h 45m

$199

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

mié. 10/29

6:50 pm-12:05 am

Nonstop3h 15m

Chicago Midway

sáb. 12/13

5:15 am-8:05 am

Nonstop3h 50m

$199

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mar. 10/21

2:40 pm-8:20 pm

Nonstop3h 40m

Chicago O'Hare Intl

dom. 11/2

9:15 am-12:22 pm

Nonstop4h 07m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Phoenix to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Chicago

How far ahead should I book a flight from Phoenix to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Chicago. Price data was last updated on September 12, 2025.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phoenix to Chicago?

Currently, August is the cheapest month in which you can book a flight from Phoenix to Chicago (average of $245). Flying from Phoenix to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to CHI?

Find hourly flight availability from Phoenix to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

One of the essential ways to save on airfare from Phoenix to Chicago is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 42% on airfare.

What is the cheapest day to fly from Phoenix to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Chicago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix to Chicago flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to Chicago

Explore weekly flight availability from Phoenix to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 17, 2025.

The most flights from PH1 to CHI are scheduled on a Monday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 on average).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated septiembre 17, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Phoenix to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Phoenix to Chicago?

    For as low as $150, Allegiant Air can have you in Chicago from Phoenix in 3h 10m. The distance between Phoenix and Chicago is about 1371 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Phoenix to Chicago round-trip?

    Currently priced at $78, Spirit Airlines will fly you from Phoenix to Chicago and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Allegiant Air - these airlines can fly you to your destination from $99 and $131, respectively. Spirit Airlines is currently priced 69% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Phoenix to Chicago one-way?

    One-way options have recently been found by users for as low as $87 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $100 and Southwest from $100 one-way.

  • What are the most popular routes from Phoenix to Chicago?

    The most popular route from Phoenix to Chicago is Phoenix Sky Harbor Intl - Chicago O'Hare Intl. You may also consider Phoenix Sky Harbor Intl - Chicago Midway or Phoenix-Mesa Gateway - Chicago Greater Rockford.

  • What are the most reliable airlines from Phoenix to Chicago?

    Consider Cathay Pacific (90%), SWISS (86%) or Brussels Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from Phoenix to Chicago.

  • What are the cheapest flights from Phoenix to Chicago?

    The cheapest flight price from Phoenix to Chicago is $93. On average you can expect to pay $808. The most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), can usually be booked for $138.

  • Can I find deals for flights from Phoenix to Chicago that include hotel bookings?

    Yes. In addition to deals on Phoenix to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Chicago.

  • Can I find deals for business class flights from Phoenix to Chicago?

    Yes. Cheapflights offers flight deals from Phoenix to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Phoenix to Chicago (average of $245). Flying from Phoenix to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Chesterton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to O'Hare Intl flights
Sky Harbor Intl to Midway flights
Las Vegas to O'Hare Intl flights
Tucson to O'Hare Intl flights
Sky Harbor Intl to St. Louis flights
Las Vegas to Midway flights
Las Vegas to St. Louis flights
Tucson to Midway flights
Phoenix-Mesa Gateway to Rockford flights
Tucson to St. Louis flights
Sky Harbor Intl to Peoria flights
Sky Harbor Intl to Moline flights
Tucson to Bloomington flights
Tucson to Moline flights
Sky Harbor Intl to Evansville flights
Sky Harbor Intl to Decatur flights
Las Vegas to Peoria flights
Sky Harbor Intl to Bloomington flights
Flagstaff to O'Hare Intl flights
Las Vegas to Moline flights
Sky Harbor Intl to Champaign flights
Las Vegas to Bloomington flights
Las Vegas to Decatur flights
Las Vegas to Rockford flights
Tucson to Champaign flights
Yuma to O'Hare Intl flights
Sky Harbor Intl to Rockford flights
Tucson to Evansville flights
Sky Harbor Intl to Springfield flights
Sky Harbor Intl to Paducah flights
Las Vegas to Springfield flights
Sky Harbor Intl to Burlington flights
Las Vegas to Burlington flights
Sky Harbor Intl to Dubuque flights
Flagstaff to Springfield flights
Flagstaff to Peoria flights

Top 6 airlines flying from Phoenix to Chicago

Discover the top 6 airlines that operate flights from Phoenix to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$215FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$131Average$247FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$149Average$277FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$313FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$202Average$344FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.