HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$94+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 September or October, booked 32 days in advance, depart on a Friday or Thursday and return on a Saturday

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 abril 29, 2025.

Round-trip from

$175
(CheapOair)

One-way from

$94
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$253
From Phoenix to Chicago (CHI)
Search Deals
One-way flight from Phoenix to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 abril 29, 2025.

This CheapOair deal was found by Cheapflights users on 4/28. 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.
vie. 5/306:15 pmPHX - ORD
Nonstop3h 26mMultiple Airlines
dom. 6/19:02 pmORD - PHX
1 stop13h 11mMultiple Airlines
Deal found 4/28$175
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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. 5/306:15 pmPHX - ORD
Nonstop3h 26mFrontier
lun. 6/23:18 pmORD - PHX
Nonstop4h 02mFrontier
Deal found 4/27$176
This Frontier deal was found by Cheapflights users on 4/27. 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. 5/1911:23 amPHX - MDW
1 stop10h 24mFrontier
dom. 5/258:36 pmMDW - PHX
Nonstop3h 55mFrontier
Deal found 4/27$176
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/117:00 amAZA - RFD
Nonstop3h 10mAllegiant Air
vie. 10/178:55 pmRFD - AZA
Nonstop3h 31mAllegiant Air
Deal found 4/28$179
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/42:34 pmPHX - ORD
1 stop13h 59mSpirit Airlines
lun. 5/57:41 amORD - PHX
1 stop7h 47mSpirit Airlines
Deal found 4/27$200
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/136:15 amPHX - ORD
Nonstop3h 35mAmerican Airlines
mar. 5/206:00 amORD - PHX
Nonstop3h 52mAmerican Airlines
Deal found 4/28$224
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/107:30 pmPHX - MDW
Nonstop3h 20mSouthwest
mar. 6/175:55 amMDW - PHX
Nonstop3h 40mSouthwest
Deal found 4/28$242
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/47:00 amPHX - ORD
1 stop14h 56mAlaska Airlines
mié. 6/116:00 amORD - PHX
1 stop10h 47mAlaska Airlines
Deal found 4/27$246
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1111:20 pmPHX - ORD
1 stop6h 29mDelta
mié. 6/185:05 pmORD - PHX
1 stop7h 02mDelta
Deal found 4/28$249
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1712:45 amPHX - MDW
1 stop5h 59mDelta
sáb. 6/217:21 pmMDW - PHX
1 stop5h 53mDelta
Deal found 4/28$249
This Mytrip deal was found by Cheapflights users on 4/28. 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.
jue. 5/89:19 amPHX - RFD
1 stop9h 27mMultiple Airlines
dom. 5/119:36 pmRFD - PHX
1 stop12h 37mMultiple Airlines
Deal found 4/28$262
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/156:00 amPHX - ORD
Nonstop3h 31mUnited Airlines
mié. 5/214:07 pmORD - PHX
Nonstop4h 02mUnited Airlines
Deal found 4/28$264

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 abril 29, 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 - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 5/30

6:15 pm-11:41 pm

Nonstop3h 26m

Chicago O'Hare Intl

dom. 6/1

9:02 pm-8:13 am

1 stop13h 11m

$175

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 5/30

6:15 pm-11:41 pm

Nonstop3h 26m

Chicago O'Hare Intl

lun. 6/2

3:18 pm-5:20 pm

Nonstop4h 02m

$176

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

lun. 5/19

11:23 am-11:47 pm

1 stop10h 24m

Chicago Midway

dom. 5/25

8:36 pm-10:31 pm

Nonstop3h 55m

$176

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 5/30

9:19 am-5:25 am

1 stop18h 06m

Chicago O'Hare Intl

sáb. 5/31

9:02 pm-8:13 am

1 stop13h 11m

$178

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

vie. 7/25

7:00 am-12:10 pm

Nonstop3h 10m

Chicago Greater Rockford

vie. 8/1

1:00 pm-2:22 pm

Nonstop3h 22m

$182

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mar. 5/13

6:15 am-11:50 am

Nonstop3h 35m

Chicago O'Hare Intl

mar. 5/20

6:00 am-7:52 am

Nonstop3h 52m

$224

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

mar. 6/10

7:30 pm-12:50 am

Nonstop3h 20m

Chicago Midway

mar. 6/17

5:55 am-7:35 am

Nonstop3h 40m

$242

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mié. 6/4

7:00 am-11:56 pm

1 stop14h 56m

Chicago O'Hare Intl

mié. 6/11

6:00 am-2:47 pm

1 stop10h 47m

$246

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mié. 6/11

11:20 pm-7:49 am

1 stop6h 29m

Chicago O'Hare Intl

mié. 6/18

5:05 pm-10:07 pm

1 stop7h 02m

$249

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

mar. 6/17

12:45 am-8:44 am

1 stop5h 59m

Chicago Midway

sáb. 6/21

7:21 pm-11:14 pm

1 stop5h 53m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 31 results
1
2
3
4

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 April 25, 2025.

Booking 32 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 abril 29, 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 50% 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 evenings when fares are most often at their lowest. Sunday 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 abril 29, 2025.

The most flights from PH1 to CHI are scheduled on a Monday (69 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (60 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 abril 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Phoenix to Chicago to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $176, Frontier will fly you from Phoenix to Chicago and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Allegiant Air - these airlines can fly you to your destination from $178 and $179, respectively. Frontier is currently priced 26% 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 $94 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $97 and Spirit Airlines from $99 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 Japan Airlines (97%), Brussels Airlines (95%) or Cathay Pacific (90%) 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 $97. On average you can expect to pay $937. The most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), can usually be booked for $166.

  • 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 Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
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
Las Vegas to O'Hare Intl flights
Sky Harbor Intl to Midway flights
Las Vegas to Midway flights
Tucson to O'Hare Intl flights
Sky Harbor Intl to St. Louis flights
Tucson to Midway flights
Las Vegas to St. Louis flights
Phoenix-Mesa Gateway to Rockford flights
Tucson to St. Louis flights
Sky Harbor Intl to Moline flights
Las Vegas to Moline flights
Tucson to Moline flights
Sky Harbor Intl to Evansville flights
Sky Harbor Intl to Peoria flights
Las Vegas to Rockford flights
Las Vegas to Peoria flights
Flagstaff to O'Hare Intl flights
Sky Harbor Intl to Rockford flights
Las Vegas to Decatur flights
Las Vegas to Springfield flights
Las Vegas to Bloomington flights
Yuma to O'Hare Intl flights
Sky Harbor Intl to Champaign flights
Sky Harbor Intl to Bloomington flights
Sky Harbor Intl to Springfield flights
Tucson to Champaign flights
Tucson to Evansville flights
Sky Harbor Intl to Dubuque flights
Flagstaff to Peoria flights
Sky Harbor Intl to Paducah flights
Sky Harbor Intl to Decatur flights
Tucson to Bloomington flights
Sky Harbor Intl to Burlington flights
Las Vegas to Burlington flights
Flagstaff to Springfield flights

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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$81Average$203FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$139Average$241FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$164Average$284FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$168Average$308FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$189Average$378FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$322FlexibilityNo cancel feeOn-timeN/A

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.