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$78+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Chicago are usually found in February or January, booked 87 days in advance, depart on a Thursday or Friday and return on a Wednesday

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 November 6, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Sun 12/77:00 amPHX - ORD
1 stop16h 12mFrontier
Mon 12/85:17 pmORD - PHX
1 stop8h 25mFrontier
Deal found 11/6$133
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Thu 12/45:50 pmPHX - ORD
1 stop28h 52mFrontier
Sun 12/76:11 amORD - PHX
1 stop10h 07mFrontier
Deal found 11/5$134
This CheapOair deal was found by Cheapflights users on 11/5. 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 12/46:15 amPHX - MDW
1 stop6h 49mFrontier
Sun 12/76:15 amMDW - PHX
1 stop10h 03mFrontier
Deal found 11/5$134
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 11/225:47 pmPHX - ORD
1 stop6h 05mFrontier
Thu 12/43:47 pmORD - PHX
1 stop7h 31mFrontier
Deal found 11/4$136
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 12/236:00 amPHX - MDW
Nonstop3h 19mFrontier
Wed 12/316:12 amMDW - PHX
1 stop8h 00mFrontier
Deal found 11/4$136
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Wed 11/1910:06 pmPHX - ORD
1 stop8h 40mFrontier
Sat 11/226:25 pmORD - PHX
1 stop6h 48mFrontier
Deal found 11/4$137
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Wed 11/1910:06 pmPHX - MDW
1 stop12h 24mFrontier
Sat 11/229:58 pmMDW - PHX
1 stop11h 57mFrontier
Deal found 11/4$137
This CheapOair deal was found by Cheapflights users on 11/6. 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.
Fri 12/56:00 amPHX - ORD
1 stop7h 40mFrontier
Sun 12/77:00 amORD - PHX
1 stop18h 44mFrontier
Deal found 11/6$138
This Frontier deal was found by Cheapflights users on 11/4. 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.
Fri 12/56:00 amPHX - MDW
1 stop12h 42mFrontier
Sun 12/76:15 amMDW - PHX
1 stop10h 03mFrontier
Deal found 11/4$138
This Gotogate deal was found by Cheapflights users on 11/6. 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.
Sun 12/710:26 pmPHX - ORD
1 stop24h 46mFrontier
Sun 12/143:47 pmORD - PHX
1 stop9h 44mFrontier
Deal found 11/6$139
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sun 11/237:40 amPHX - MDW
1 stop13h 37mFrontier
Fri 12/56:15 amMDW - PHX
Nonstop4h 04mFrontier
Deal found 11/4$139
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Wed 11/2610:11 pmPHX - ORD
1 stop24h 59mFrontier
Sun 12/73:47 pmORD - PHX
1 stop9h 44mFrontier
Deal found 11/6$140

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 November 6, 2025.

Round-trip from

$133
(Cheapflightsfares)

One-way from

$78
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$251
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 ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 6, 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

Wed 12/3

9:00 am-1:09 pm

Nonstop3h 09m

Chicago Greater Rockford

Mon 12/8

6:56 pm-9:28 pm

Nonstop3h 32m

$141

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 12/24

12:59 am-2:21 pm

1 stop12h 22m

Chicago O'Hare Intl

Thu 12/25

7:57 pm-8:31 am

1 stop13h 34m

$154

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Fri 12/5

1:57 pm-6:06 pm

Nonstop3h 09m

Chicago Greater Rockford

Mon 12/8

6:56 pm-9:28 pm

Nonstop3h 32m

$173

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Fri 11/14

1:45 pm-5:50 pm

Nonstop3h 05m

Chicago Greater Rockford

Mon 11/17

6:40 pm-9:10 pm

Nonstop3h 30m

$177

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 12/13

6:00 pm-10:15 pm

Nonstop3h 15m

Chicago Midway

Wed 12/17

5:25 am-8:15 am

Nonstop3h 50m

$182

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 12/9

12:57 pm-7:44 pm

1 stop5h 47m

Chicago O'Hare Intl

Mon 12/15

12:50 pm-3:48 pm

Nonstop3h 58m

$191

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Sun 12/28

8:10 am-12:19 pm

Nonstop3h 09m

Chicago Greater Rockford

Fri 1/2

8:32 pm-11:04 pm

Nonstop3h 32m

$194

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Thu 1/22

6:35 pm-10:50 pm

Nonstop3h 15m

Chicago Midway

Fri 1/23

7:50 pm-10:45 pm

Nonstop3h 55m

$201

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 12/6

6:00 pm-10:15 pm

Nonstop3h 15m

Chicago Midway

Tue 12/9

1:55 pm-6:00 pm

1 stop5h 05m

$204

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 12/23

8:36 pm-8:02 pm

1 stop22h 26m

Chicago O'Hare Intl

Mon 1/5

3:37 pm-11:53 pm

1 stop9h 16m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 October 31, 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, December is the cheapest month in which you can book a flight from Phoenix to Chicago (average of $64). Flying from Phoenix to Chicago in July is currently the most expensive (average of $192). 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 November 6, 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 evening could potentially save you up to 35% 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 Wednesday mornings when fares are most often at their lowest. Wednesday 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 November 6, 2025.

The most flights from PH1 to CHI are scheduled on a Thursday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 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 November 6, 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
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

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
9,007 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

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
11,040 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

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
8,123 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

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
3,115 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

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 $141, Allegiant Air can have you in Chicago from Phoenix in 3h 09m. The distance between Phoenix and Chicago is about 1371 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $79, 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 $79 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $83 and Southwest from $89 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 American Airlines (87%), Royal Jordanian (86%) or Aer Lingus (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 $63. On average you can expect to pay $886. The most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), can usually be booked for $60.

  • 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, December is the cheapest month in which you can book a flight from Phoenix to Chicago (average of $64). Flying from Phoenix to Chicago in July is currently the most expensive (average of $192). 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
Lansing
Hammond
Porter
Benton Harbor
Merrillville

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$218FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$213FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$131Average$226FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$149Average$299FlexibilityNo cancel feeOn-time69%
DeltaCheapest$162Average$355FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$311FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$205Average$346FlexibilityNo cancel feeOn-time63%

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