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$111+ Cheap flights from Sky Harbor Intl (PHX) 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Chicago are usually found in September or October, booked 32 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 June 12, 2025.

Round-trip from

$195
(Trip.com)

One-way from

$111
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$274

Good round-trip deal

$242 or less

Good one-way deal

$139 or less
From Phoenix Sky Harbor Intl to Chicago (CHI)
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One-way flight from Phoenix Sky Harbor Intl to Chicago (CHI)
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Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Chicago (CHI).
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Chicago (CHI).
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Find flight deals from Sky Harbor Intl to Chicago

Cheapest flights from Sky Harbor Intl to Chicago
Explore the most affordable flight options available from Sky Harbor Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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.
Sun 8/317:25 amPHX - ORD
Nonstop3h 43mFrontier
Wed 9/37:20 amORD - PHX
1 stop5h 41mFrontier
Deal found 6/10$195
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/612:37 pmPHX - ORD
Nonstop3h 40mAmerican Airlines
Sat 8/98:25 pmORD - PHX
Nonstop3h 46mAmerican Airlines
Deal found 6/10$199
This FlightHub deal was found by Cheapflights users on 6/12. 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 9/412:12 pmPHX - ORD
1 stop9h 31mSpirit Airlines
Sat 9/133:21 pmORD - PHX
1 stop21h 56mSpirit Airlines
Deal found 6/12$201
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Thu 8/2812:00 pmPHX - ORD
1 stop6h 50mMultiple Airlines
Sun 9/287:00 pmORD - PHX
1 stop6h 16mMultiple Airlines
Deal found 6/9$202
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 9/184:35 pmPHX - MDW
Nonstop3h 26mFrontier
Sun 9/211:26 pmMDW - PHX
Nonstop3h 52mFrontier
Deal found 6/11$206
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/248:04 amPHX - ORD
1 stop12h 00mAlaska Airlines
Mon 9/296:20 amORD - PHX
1 stop19h 35mAlaska Airlines
Deal found 6/10$207
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/1312:35 pmPHX - ORD
Nonstop3h 41mUnited Airlines
Mon 8/189:15 amORD - PHX
Nonstop3h 54mUnited Airlines
Deal found 6/10$208
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 8/135:40 pmPHX - MDW
Nonstop3h 20mSouthwest
Mon 8/185:35 amMDW - PHX
Nonstop3h 35mSouthwest
Deal found 6/10$208
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 8/213:57 pmPHX - MDW
1 stop21h 05mAllegiant Air
Mon 8/259:32 amMDW - PHX
1 stop8h 03mAllegiant Air
Deal found 6/10$231
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/811:40 amPHX - ORD
1 stop5h 47mDelta
Mon 8/185:00 pmORD - PHX
1 stop7h 03mDelta
Deal found 6/11$247
This Southwest deal was found by Cheapflights users on 6/10. 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.
Thu 7/105:30 amPHX - ORD
2 stops8h 55mSouthwest
Thu 7/172:50 pmORD - PHX
Nonstop3h 50mSouthwest
Deal found 6/10$252
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:16 pmPHX - ORD
1 stop7h 23mHawaiian Airlines
Tue 7/297:00 amORD - PHX
1 stop8h 16mHawaiian Airlines
Deal found 6/10$256

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Chicago that are best for you.

Fly from

Sky Harbor Intl

Fly to

Chicago

Route

Depart

Return

Price

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sun 8/31

7:25 am-1:08 pm

Nonstop3h 43m

Chicago O'Hare Intl

Wed 9/3

7:20 am-11:01 am

1 stop5h 41m

$195

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 8/6

12:37 pm-6:17 pm

Nonstop3h 40m

Chicago O'Hare Intl

Sat 8/9

8:25 pm-10:11 pm

Nonstop3h 46m

$199

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 9/4

12:12 pm-11:43 pm

1 stop9h 31m

Chicago O'Hare Intl

Sat 9/13

3:21 pm-11:17 am

1 stop21h 56m

$201

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 8/28

12:00 pm-8:50 pm

1 stop6h 50m

Chicago O'Hare Intl

Sun 9/28

7:00 pm-11:16 pm

1 stop6h 16m

$202

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Thu 7/10

2:11 pm-7:41 pm

Nonstop3h 30m

Chicago Midway

Thu 7/17

8:38 pm-10:20 pm

Nonstop3h 42m

$206

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 8/13

12:35 pm-6:16 pm

Nonstop3h 41m

Chicago O'Hare Intl

Mon 8/18

9:15 am-11:09 am

Nonstop3h 54m

$208

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Wed 8/13

5:40 pm-11:00 pm

Nonstop3h 20m

Chicago Midway

Mon 8/18

5:35 am-7:10 am

Nonstop3h 35m

$208

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 8/6

7:05 am-11:59 pm

1 stop14h 54m

Chicago O'Hare Intl

Tue 8/12

7:00 am-1:16 pm

1 stop8h 16m

$224

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Thu 8/21

3:57 pm-3:02 pm

1 stop21h 05m

Chicago Midway

Mon 8/25

9:32 am-3:35 pm

1 stop8h 03m

$231

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 8/9

6:00 am-3:27 pm

1 stop7h 27m

Chicago Midway

Sat 8/16

9:15 am-12:34 pm

1 stop5h 19m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 30 results
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The best insider tips for Phoenix Sky Harbor Intl Airport to Chicago flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Chicago trip
Airlines
Frontier

Frontier's UpFront Plus seats offer a guaranteed empty middle seat for added comfort.


Frontier offers Zone 1 boarding for carry-on bag purchasers and Elite members.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.


United's Polaris Lounges offer showers, daybeds, and dining for premium passengers.

Read more about United Airlinesby Harriet Baskas
Southwest

Southwest offers two free checked bags with its Wanna Get Away fare.


Southwest's open seating policy allows passengers to choose any available seat.

Read more about Southwestby Marisa Garcia
Airports
PHX

PHX offers short security lines with wait times usually under 10 minutes, ensuring a smooth departure experience.

Read more about PHXby Brandon Schultz
ORD

Taking the 'L' train from ORD to downtown Chicago is often faster than driving due to traffic, providing a reliable arrival option.

Read more about ORDby Ramsey Qubein
MDW

The Orange Line train takes you from MDW to downtown Chicago in under 30 minutes, offering a convenient arrival option.

Read more about MDWby Ramsey Qubein
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Sky Harbor Intl to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Sky Harbor Intl 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 Sky Harbor Intl Airport to Chicago

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Chicago. Price data was last updated on June 9, 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Chicago?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Chicago (average of $245). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 June 12, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Chicago. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Chicago

Explore weekly flight availability from Sky Harbor Intl 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 June 12, 2025.

The most flights from PHX to CHI are scheduled on a Wednesday (62 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (43 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Phoenix to Chicago to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 Sky Harbor Intl 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 Sky Harbor Intl Airport to Chicago round-trip?

    Frontier, at $195, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Chicago.Alternate airlines to your destination round-trip include American Airlines and Spirit Airlines. Frontier is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Chicago one-way?

    To fly one-way, consider booking your trip with Sun Country Air, which is currently one of the cheapest options available, starting at $111. Frontier flights start at $112 while deals on Alaska Airlines start at $115 one-way.

  • What are the most popular routes from Phoenix Sky Harbor Intl Airport to Chicago?

    The most popular flight routes from Phoenix Sky Harbor Intl Airport to Chicago are Phoenix Sky Harbor Intl - Chicago O'Hare Intl, Phoenix Sky Harbor Intl - Chicago Midway and Phoenix Sky Harbor Intl - Chicago Greater Rockford.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Chicago on time: Japan Airlines (95%), SWISS (92%), Aer Lingus (90%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Chicago?

    Looking at all options, your cheapest flight can be booked for $115. While the most popular route (Phoenix Sky Harbor Intl - Chicago O'Hare Intl) can be booked for $167 on average our data indicates $1,566 when flying from Phoenix Sky Harbor Intl Airport to Chicago.

  • Can I find deals for flights from Sky Harbor Intl to Chicago that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Chicago?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Chicago?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Chicago (average of $245). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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Top 6 airlines flying from Sky Harbor Intl to Chicago

Discover the top 6 airlines that operate flights from Sky Harbor Intl 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$199FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$79Average$214FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$165Average$321FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$167Average$305FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$367FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$294FlexibilityNo cancel feeOn-timeN/A

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