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$78+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Phoenix Sky Harbor Intl to Chicago are usually found in April or September, booked 62 days in advance, depart on a Friday or Thursday and return on a Saturday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$120
(Cheapflightsfares)

One-way from

$78
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$219

Good round-trip deal

$209 or less

Good one-way deal

$159 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Chicago (CHI) flights.
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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. 14% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/44:39 pmPHX - MDW
Nonstop3h 21mFrontier
Tue 4/87:25 amMDW - PHX
Nonstop3h 56mFrontier
Deal found 2/19$120
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:02 pmPHX - ORD
2 stops19h 25mSpirit Airlines
Tue 3/259:57 pmORD - PHX
1 stop26h 05mSpirit Airlines
Deal found 2/19$121
This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:39 pmPHX - ORD
Nonstop3h 24mFrontier
Tue 4/84:26 pmORD - PHX
Nonstop4h 08mFrontier
Deal found 2/19$123
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Wed 3/265:15 amPHX - ORD
1 stop5h 38mMultiple Airlines
Wed 4/28:00 amORD - PHX
Nonstop4h 07mMultiple Airlines
Deal found 2/20$125
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 4/1610:35 pmPHX - ORD
1 stop9h 28mDelta
Tue 4/223:30 pmORD - PHX
1 stop9h 07mDelta
Deal found 2/20$237
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/256:00 amPHX - MDW
1 stop6h 15mDelta
Wed 4/21:16 pmMDW - PHX
1 stop9h 05mDelta
Deal found 2/19$237
This Southwest deal was found by Cheapflights users on 2/20. 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 4/27:10 pmPHX - MDW
Nonstop3h 15mSouthwest
Thu 4/310:40 pmMDW - PHX
Nonstop3h 50mSouthwest
Deal found 2/20$261
This Mytrip deal was found by Cheapflights users on 2/20. 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 3/2711:48 amPHX - RFD
1 stop6h 59mMultiple Airlines
Sun 3/309:37 pmRFD - PHX
1 stop19h 30mMultiple Airlines
Deal found 2/20$349
This Mytrip deal was found by Cheapflights users on 2/20. 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 3/75:08 pmPHX - RFD
2 stops24h 24mAllegiant Air
Tue 3/119:50 amRFD - PHX
2 stops25h 35mAllegiant Air
Deal found 2/20$453

Find flights from Sky Harbor Intl to Chicago within your budget

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 February 20, 2025.

Fly from

Sky Harbor Intl

Fly to

Chicago

Route

Depart

Return

Price

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Fri 4/4

4:39 pm-10:00 pm

Nonstop3h 21m

Chicago Midway

Tue 4/8

7:25 am-9:21 am

Nonstop3h 56m

$120

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 3/18

7:02 pm-4:27 pm

2 stops19h 25m

Chicago O'Hare Intl

Tue 3/25

9:57 pm-10:02 pm

1 stop26h 05m

$121

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 4/1

7:39 pm-1:03 am

Nonstop3h 24m

Chicago O'Hare Intl

Tue 4/8

4:26 pm-6:34 pm

Nonstop4h 08m

$123

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 3/26

5:15 am-12:53 pm

1 stop5h 38m

Chicago O'Hare Intl

Wed 4/2

8:00 am-10:07 am

Nonstop4h 07m

$125

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 4/16

10:35 pm-10:03 am

1 stop9h 28m

Chicago O'Hare Intl

Tue 4/22

3:30 pm-10:37 pm

1 stop9h 07m

$237

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Tue 3/25

6:00 am-2:15 pm

1 stop6h 15m

Chicago Midway

Wed 4/2

1:16 pm-8:21 pm

1 stop9h 05m

$237

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Wed 4/2

7:10 pm-12:25 am

Nonstop3h 15m

Chicago Midway

Thu 4/3

10:40 pm-12:30 am

Nonstop3h 50m

$261

PhoenixChicago

PHX - RFD

PHXRFD

Phoenix Sky Harbor Intl

Thu 3/27

11:48 am-8:47 pm

1 stop6h 59m

Chicago Greater Rockford

Sun 3/30

9:37 pm-3:07 pm

1 stop19h 30m

$349

PhoenixChicago

PHX - RFD

PHXRFD

Phoenix Sky Harbor Intl

Fri 3/7

5:08 pm-6:32 pm

2 stops24h 24m

Chicago Greater Rockford

Tue 3/11

9:50 am-9:25 am

2 stops25h 35m

$453

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 2/28

8:33 pm-1:03 am

Nonstop3h 30m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 results
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Compare providers for flights from Sky Harbor Intl to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Chicago in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
FareScanPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Sky Harbor Intl to Chicago

Get recent, data-driven insights about flights from Sky Harbor Intl to Chicago including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 62 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 February 20, 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 54% 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 February 16, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Chicago flight should consider departing on Thursday afternoons 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 February 20, 2025.

The most flights from PHX to CHI are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $120, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Chicago.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Frontier is priced at 45% 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 Frontier, which is currently one of the cheapest options available, starting at $78. Spirit Airlines flights start at $80 while deals on United Airlines start at $109 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 (97%), Emirates (97%), Brussels Airlines (97%).

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

    Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Phoenix Sky Harbor Intl - Chicago O'Hare Intl) can be booked for $92 on average our data indicates $1,082 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
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$166FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$65Average$194FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$163Average$304FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$316FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$185Average$380FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$332FlexibilityNo cancel feeOn-timeN/A
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