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.
$79+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
Mar 30 — Apr 61
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sky Harbor Intl 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 Sky Harbor Intl to Chicago are usually found in September or April, booked 90 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 March 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (CheapOair) |
One-way from | $79 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $259 |
Good round-trip deal | $207 or less |
Good one-way deal | $135 or less |
Find flight deals from Sky Harbor Intl to Chicago
Cheapest flights from Sky Harbor Intl to ChicagoExplore 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 March 25, 2025.
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 March 25, 2025.
This CheapOair deal was found by Cheapflights users on 3/24. 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 4/2410:43 amPHX - ORD
Nonstop3h 36mFrontier
Sat 4/261:34 pmORD - PHX
Nonstop4h 10mFrontier
Deal found 3/24![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 3/24. 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 4/246:00 amPHX - MDW
Nonstop3h 21mFrontier
Sat 4/2612:19 pmMDW - PHX
Nonstop3h 57mFrontier
Deal found 3/24![Frontier logo]()
$138
This eDestinos deal was found by Cheapflights users on 3/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/102:34 pmPHX - ORD
1 stop13h 59mSpirit Airlines
Mon 4/147:41 amORD - PHX
1 stop7h 47mSpirit Airlines
Deal found 3/23![Spirit Airlines logo]()
$145
This Booking.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/2410:43 amPHX - ORD
Nonstop3h 36mMultiple Airlines
Mon 4/287:41 amORD - PHX
1 stop7h 47mMultiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 3/23. 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 4/165:00 amPHX - ORD
Nonstop3h 34mAmerican Airlines
Wed 4/2310:00 pmORD - PHX
Nonstop3h 59mAmerican Airlines
Deal found 3/23![American Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 3/22. 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 5/76:30 pmPHX - MDW
Nonstop3h 20mSouthwest
Sat 5/1010:45 amMDW - PHX
Nonstop3h 55mSouthwest
Deal found 3/22![Southwest logo]()
$199
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 4/127:15 amPHX - ORD
Nonstop3h 31mUnited Airlines
Sat 5/39:25 amORD - PHX
Nonstop4h 06mUnited Airlines
Deal found 3/23![United Airlines logo]()
$214
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 5/39:00 amPHX - ORD
1 stop8h 10mHawaiian Airlines
Tue 5/66:00 amORD - PHX
1 stop10h 12mHawaiian Airlines
Deal found 3/24![Hawaiian Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 3/24. 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 6/2012:45 amPHX - ORD
1 stop5h 40mDelta
Sat 7/511:05 amORD - PHX
1 stop8h 40mDelta
Deal found 3/24![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 3/24. 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 5/2012:45 amPHX - MDW
1 stop5h 55mDelta
Wed 5/217:25 pmMDW - PHX
1 stop6h 21mDelta
Deal found 3/24![Delta logo]()
$237
This Sun Country Air deal was found by Cheapflights users on 3/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:08 amPHX - ORD
1 stop6h 18mSun Country Air
Sun 11/211:42 amORD - PHX
1 stop13h 00mSun Country Air
Deal found 3/24![Sun Country Air logo]()
$255
This Southwest deal was found by Cheapflights users on 3/23. 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.
Sat 5/173:40 pmPHX - ORD
1 stop5h 25mSouthwest
Tue 5/207:30 amORD - PHX
2 stops7h 55mSouthwest
Deal found 3/23![Southwest logo]()
$262
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 March 25, 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
Thu 4/24
10:43 am-4:19 pm
Nonstop3h 36m
Chicago O'Hare Intl
Sat 4/26
1:34 pm-3:44 pm
Nonstop4h 10m
$138
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Sat 5/3
6:00 am-11:23 am
Nonstop3h 23m
Chicago Midway
Tue 5/6
12:19 pm-2:13 pm
Nonstop3h 54m
$138
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 4/24
10:43 am-4:19 pm
Nonstop3h 36m
Chicago O'Hare Intl
Mon 4/28
7:41 am-1:28 pm
1 stop7h 47m
$155
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 4/10
2:34 pm-6:33 am
1 stop13h 59m
Chicago O'Hare Intl
Mon 4/14
7:41 am-1:28 pm
1 stop7h 47m
$159
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 4/15
1:09 am-6:32 am
Nonstop3h 23m
Chicago O'Hare Intl
Wed 4/23
6:00 am-7:55 am
Nonstop3h 55m
$189
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 4/30
12:45 pm-6:20 pm
Nonstop3h 35m
Chicago O'Hare Intl
Mon 5/5
8:07 pm-10:13 pm
Nonstop4h 06m
$208
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Fri 5/2
7:45 pm-1:05 am
Nonstop3h 20m
Chicago Midway
Tue 5/6
8:50 pm-10:35 pm
Nonstop3h 45m
$208
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 5/3
9:00 am-7:10 pm
1 stop8h 10m
Chicago O'Hare Intl
Tue 5/6
6:00 am-2:12 pm
1 stop10h 12m
$226
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 6/13
12:45 am-8:25 am
1 stop5h 40m
Chicago O'Hare Intl
Sat 6/21
3:58 pm-8:13 pm
1 stop6h 15m
$237
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Sat 5/3
11:15 pm-8:40 am
1 stop7h 25m
Chicago Midway
Wed 5/7
9:20 am-1:35 pm
1 stop6h 15m
$237
Showing 1-10 of 31 results
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
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
![United Airlines]()
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.
![Southwest]()
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.
Airports
Our travel experts
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 March 21, 2025.
Booking 90 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 $323). 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 March 25, 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 51% 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 March 23, 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 March 25, 2025.
The most flights from PHX to CHI are scheduled on a Monday (66 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (32 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 March 25, 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.
Food
7.1
Crew
8.5
Overall
8.0
Boarding
8.2
Comfort
7.9
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Crew
8.5
Overall
8.0
Boarding
8.2
Comfort
7.9
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Crew
8.5
Overall
8.0
Boarding
8.2
Comfort
7.9
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Crew
8.5
Overall
8.0
Boarding
8.2
Comfort
7.9
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Crew
8.5
Overall
8.0
Boarding
8.2
Comfort
7.9
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Crew
8.5
Overall
8.0
Boarding
8.2
Comfort
7.9
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
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.
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 locationsMerrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Sky Harbor Intl to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Sky Harbor Intl to Chicago
Discover the top 7 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 March 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$61 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$73 | Average$196 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$163 | Average$317 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$307 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$171 | Average$260 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$189 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$322 | FlexibilityNo cancel fee | On-timeN/A |