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$54+ Cheap flights from Phoenix to Illinois

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from Phoenix to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Illinois (USIL). 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 December 19, 2024.

Round-trip from

$135
(Kiwi.com)

One-way from

$54
(Mytrip)
From Phoenix to Illinois
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One-way flight from Phoenix to Illinois
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Find flight deals from Phoenix to Illinois

Cheapest flights from Phoenix to Illinois
Explore the most affordable flight options available from Phoenix to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Frontier deal was found by Cheapflights users on 12/18. 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 12/318:09 pmPHX - MDW
Nonstop3h 18mFrontier
Mon 1/68:41 pmMDW - PHX
1 stop12h 37mFrontier
Deal found 12/18$168
This Kiwi.com deal was found by Cheapflights users on 12/18. 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 12/316:44 pmPHX - ORD
Nonstop3h 19mFrontier
Mon 1/64:41 pmORD - PHX
1 stop8h 54mFrontier
Deal found 12/18$170
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
Mon 12/301:19 amPHX - ORD
1 stop6h 18mMultiple Airlines
Mon 1/66:00 amORD - PHX
1 stop10h 00mMultiple Airlines
Deal found 12/18$201
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/258:20 amAZA - RFD
Nonstop3h 07mAllegiant Air
Fri 1/108:11 pmRFD - AZA
Nonstop3h 50mAllegiant Air
Deal found 12/17$209
This Frontier deal was found by Cheapflights users on 12/17. 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.
Thu 12/269:00 pmPHX - STL
1 stop10h 13mFrontier
Mon 12/306:49 pmSTL - PHX
1 stop6h 50mFrontier
Deal found 12/17$268
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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.
Mon 12/301:19 amPHX - ORD
1 stop6h 18mSpirit Airlines
Fri 1/1010:47 pmORD - PHX
1 stop13h 14mSpirit Airlines
Deal found 12/18$288
This Southwest deal was found by Cheapflights users on 12/18. 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.
Tue 12/316:35 pmPHX - ORD
Nonstop3h 30mSouthwest
Wed 1/12:55 pmORD - PHX
Nonstop4h 00mSouthwest
Deal found 12/18$321
This Delta deal was found by Cheapflights users on 12/18. 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 12/3111:45 pmPHX - MDW
1 stop8h 05mDelta
Fri 1/101:26 pmMDW - PHX
1 stop9h 09mDelta
Deal found 12/18$331
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/259:43 amPHX - STL
Nonstop3h 10mAmerican Airlines
Wed 1/17:24 amSTL - PHX
Nonstop3h 31mAmerican Airlines
Deal found 12/18$369
This Delta deal was found by Cheapflights users on 12/18. 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.
Mon 12/231:58 pmPHX - MLI
1 stop7h 26mDelta
Mon 1/65:05 pmMLI - PHX
1 stop7h 37mDelta
Deal found 12/18$378
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/2312:00 pmPHX - MLI
1 stop8h 03mUnited Airlines
Mon 1/63:45 pmMLI - PHX
2 stops8h 22mUnited Airlines
Deal found 12/18$383
This Sun Country Air deal was found by Cheapflights users on 12/18. 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 12/2612:59 amPHX - ORD
1 stop8h 46mSun Country Air
Mon 12/307:30 pmORD - PHX
1 stop25h 30mSun Country Air
Deal found 12/18$390

Find flights from Phoenix to Illinois within your budget

Customize your flight search to find flights from Phoenix to Illinois 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 2/20

7:10 pm-11:39 pm

Nonstop3h 29m

Chicago O'Hare Intl

Fri 2/21

4:21 pm-7:26 pm

Nonstop4h 05m

$135

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Tue 1/7

9:00 am-12:13 am

1 stop14h 13m

Chicago Midway

Fri 1/10

12:43 pm-8:49 pm

1 stop9h 06m

$135

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Mon 1/6

1:19 am-8:37 am

1 stop6h 18m

Chicago O'Hare Intl

Mon 1/13

7:50 am-12:57 pm

1 stop6h 07m

$136

PhoenixChicago

AZA - RFD

AZARFD

Phoenix-Mesa Gateway

Mon 2/3

3:10 pm-7:21 pm

Nonstop3h 11m

Chicago Greater Rockford

Mon 2/10

8:11 pm-11:01 pm

Nonstop3h 50m

$138

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sat 1/18

11:56 am-9:52 pm

1 stop8h 56m

Chicago O'Hare Intl

Sat 1/25

10:47 pm-11:01 am

1 stop13h 14m

$159

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 1/31

12:45 am-5:11 am

Nonstop3h 26m

Chicago O'Hare Intl

Sat 2/1

7:00 am-9:51 am

Nonstop3h 51m

$172

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Sat 1/18

6:25 am-10:35 am

Nonstop3h 10m

Chicago Midway

Sat 1/25

7:10 am-10:20 am

Nonstop4h 10m

$178

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 1/14

11:59 pm-4:32 am

Nonstop3h 33m

Chicago O'Hare Intl

Sat 1/18

4:10 pm-7:11 pm

Nonstop4h 01m

$188

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 1/29

4:04 pm-11:59 pm

1 stop6h 55m

Chicago O'Hare Intl

Fri 1/31

1:45 pm-6:59 pm

1 stop6h 14m

$236

PhoenixChicago

PHX - MDW

PHXMDW

Phoenix Sky Harbor Intl

Fri 1/24

12:59 am-10:36 am

1 stop8h 37m

Chicago Midway

Mon 2/3

2:08 pm-10:49 pm

1 stop9h 41m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 59 results
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Best time to book a flight from Phoenix to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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.

Travel insights for flights from Phoenix to Illinois

Get recent, data-driven insights about flights from Phoenix to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Phoenix to Illinois?

Currently, September is the cheapest month in which you can book a flight from Phoenix to Illinois (average of $232). Flying from Phoenix to Illinois in June is currently the most expensive (average of $308). 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 IL?

Find hourly flight availability from Phoenix to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

When flying from Phoenix to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Phoenix to Illinois

Explore weekly flight availability from Phoenix to Illinois. 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 December 19, 2024.

The most flights from PH1 to USIL are scheduled on a Thursday (51 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 19, 2024.
Get a feel of what it's like to fly with Sun Country Air, American Airlines and Southwest from Phoenix to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,836 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,551 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,600 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,274 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
9,048 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Illinois. 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 to fly from Phoenix to Illinois one-way?

    The cheapest airlines for a one-way flight from Phoenix to Illinois are Frontier ($54), Allegiant Air ($79), and United Airlines ($89).

  • What are the most popular routes from Phoenix to Illinois?

    Most travelers choose Phoenix Sky Harbor Intl - Chicago O'Hare Intl, Phoenix Sky Harbor Intl - Chicago Midway or Phoenix Sky Harbor Intl - Lambert-St Louis when deciding on the best route from Phoenix to Illinois.

  • What are the most reliable airlines from Phoenix to Illinois?

    Before booking your flight to Illinois from Phoenix, check out the most reliable airlines to get you to your destination on time: Emirates (97%), Brussels Airlines (97%), Cathay Pacific( 96%).

  • What are the cheapest flights from Phoenix to Illinois?

    While on average a flight from Phoenix to Illinois is generally $1,479, our data shows the cheapest flight currently is $84. When looking at the most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), you can expect to pay $109 for that flight.

  • Can I find deals for flights from Phoenix to Illinois that include hotel bookings?

    Yes. In addition to deals on Phoenix to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Illinois.

  • Can I find deals for business class flights from Phoenix to Illinois?

    Yes. Cheapflights offers flight deals from Phoenix to Illinois 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 Illinois?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Illinois (average of $232). Flying from Phoenix to Illinois in June is currently the most expensive (average of $308). 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.

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Alternative routes for Phoenix to Illinois

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 Illinois

Discover the top 7 airlines that operate flights from Phoenix to Illinois. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$174FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$196FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$135Average$269FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$161Average$503FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$162Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$171Average$330FlexibilityNo cancel feeOn-time63%
DeltaCheapest$215Average$340FlexibilityNo cancel feeOn-timeN/A
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