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$87+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Chicago are usually found in September or October, 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 August 21, 2025.

Round-trip from

$135
(flugladen.de)

One-way from

$87
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$240
From Phoenix to Chicago (CHI)
Search Deals
One-way flight from Phoenix to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 21, 2025.

This flugladen.de deal was found by Cheapflights users on 8/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:06 pmPHX - ORD
Nonstop3h 34mFrontier
Thu 9/112:07 pmORD - PHX
Nonstop4h 04mFrontier
Deal found 8/21$135
This Justfly.com deal was found by Cheapflights users on 8/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:16 pmPHX - MDW
Nonstop3h 29mFrontier
Thu 9/46:30 amMDW - PHX
1 stop8h 57mFrontier
Deal found 8/19$135
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/52:49 pmAZA - RFD
Nonstop3h 08mAllegiant Air
Mon 9/87:46 pmRFD - AZA
Nonstop3h 29mAllegiant Air
Deal found 8/21$135
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:00 amPHX - ORD
1 stop11h 28mFrontier
Thu 9/182:07 pmORD - PHX
Nonstop4h 04mFrontier
Deal found 8/21$136
This Frontier deal was found by Cheapflights users on 8/21. 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.
Thu 11/612:28 pmPHX - MDW
Nonstop3h 24mFrontier
Sat 11/82:57 pmMDW - PHX
Nonstop3h 53mFrontier
Deal found 8/21$136
This Mytrip deal was found by Cheapflights users on 8/21. 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.
Fri 9/55:06 pmPHX - ORD
Nonstop3h 34mFrontier
Mon 9/86:00 amORD - PHX
1 stop19h 27mFrontier
Deal found 8/21$137
This Gotogate deal was found by Cheapflights users on 8/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:35 pmPHX - MDW
Nonstop3h 23mFrontier
Sun 9/141:53 pmMDW - PHX
Nonstop3h 47mFrontier
Deal found 8/21$137
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:06 pmPHX - ORD
Nonstop3h 34mFrontier
Mon 10/62:07 pmORD - PHX
Nonstop4h 04mFrontier
Deal found 8/21$138
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:21 amPHX - MDW
1 stop15h 15mFrontier
Sun 10/127:50 amMDW - PHX
Nonstop3h 50mFrontier
Deal found 8/19$138
This CheapOair deal was found by Cheapflights users on 8/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:30 amPHX - ORD
Nonstop3h 45mFrontier
Wed 8/277:20 amORD - PHX
1 stop28h 10mFrontier
Deal found 8/21$139
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:37 amPHX - MDW
1 stop5h 16mFrontier
Sun 9/71:53 pmMDW - PHX
Nonstop3h 47mFrontier
Deal found 8/21$139
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:35 pmPHX - MDW
Nonstop3h 23mFrontier
Sat 9/1311:23 amMDW - PHX
1 stop28h 18mFrontier
Deal found 8/19$140

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 August 21, 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

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 11/1

9:30 am-2:57 pm

Nonstop3h 27m

Chicago Midway

Mon 11/3

8:30 am-11:23 am

Nonstop3h 53m

$135

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Fri 9/5

2:49 pm-7:57 pm

Nonstop3h 08m

Chicago Greater Rockford

Mon 9/8

7:46 pm-9:15 pm

Nonstop3h 29m

$135

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 11/8

9:30 am-1:57 pm

Nonstop3h 27m

Chicago Midway

Sun 11/9

8:30 am-11:23 am

Nonstop3h 53m

$136

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Thu 11/6

12:28 pm-4:52 pm

Nonstop3h 24m

Chicago Midway

Sat 11/8

2:57 pm-5:50 pm

Nonstop3h 53m

$136

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 10/2

5:06 pm-10:40 pm

Nonstop3h 34m

Chicago O'Hare Intl

Sun 10/5

10:42 am-11:57 pm

1 stop15h 15m

$137

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Mon 9/29

5:06 pm-10:40 pm

Nonstop3h 34m

Chicago O'Hare Intl

Sun 10/5

10:42 am-11:57 pm

1 stop15h 15m

$137

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 9/18

5:06 pm-10:40 pm

Nonstop3h 34m

Chicago O'Hare Intl

Mon 9/22

6:00 am-5:13 pm

1 stop13h 13m

$137

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 9/20

2:05 pm-9:23 am

1 stop17h 18m

Chicago Midway

Thu 9/25

1:53 pm-3:40 pm

Nonstop3h 47m

$137

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Thu 9/11

4:35 pm-9:58 pm

Nonstop3h 23m

Chicago Midway

Sun 9/14

1:53 pm-3:40 pm

Nonstop3h 47m

$137

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Thu 10/16

10:39 am-4:05 pm

Nonstop3h 26m

Chicago Midway

Mon 10/20

5:20 pm-10:32 pm

1 stop7h 12m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results
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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 August 8, 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 August 21, 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 44% 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. Monday 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 August 21, 2025.

The most flights from PH1 to CHI are scheduled on a Thursday (67 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (45 on average).

How much does it cost to fly round-trip from Phoenix to Chicago?

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 August 21, 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
4,245 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
8,930 reviews
Southwest
8.0
Very good
4,245 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
4,245 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
8,035 reviews
Southwest
8.0
Very good
4,245 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
3,207 reviews
Southwest
8.0
Very good
4,245 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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 $135, Frontier can have you in Chicago from Phoenix in 3h 08m. 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 $91 and $135, respectively. Spirit Airlines is currently priced 69% below the average price you’ll pay for this route.

  • 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 (87%), SWISS (86%) or Brussels Airlines (84%) 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 $98. On average you can expect to pay $1,009. The most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), can usually be booked for $116.

  • 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

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Alternative routes for Phoenix to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Phoenix to Chicago

Discover the top 7 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$197FlexibilityNo cancel feeOn-time65%
FrontierCheapest$91Average$210FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$135Average$243FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$149Average$277FlexibilityNo cancel feeOn-time69%
DeltaCheapest$162Average$293FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$310FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$351FlexibilityNo cancel feeOn-time63%

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