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$172+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — AKL
20 Apr — 27 Apr1
1 adult

What to know about flights from Illinois

Discover essential information about flights departing from Illinois, including flight schedules, destinations, airlines operating at the Illinois airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 15 April 2025.

Good round-trip deal

$514 or less

Good one-way deal

$284 or less
Price to beat on a round-trip flight from Illinois.
Price to beat on a one-way flight from Illinois.

Find flights from Illinois

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 15 April 2025.

Wed 21/507:35ORD - PHX
Nonstop3h 59mUnited Airlines
Wed 21/512:50PHX - ORD
Nonstop3h 35mUnited Airlines
Deal found 14/4$297
Sun 11/507:35ORD - PHX
Nonstop4h 07mFrontier
Sun 18/507:15PHX - ORD
1 stop6h 42mFrontier
Deal found 15/4$314
Sun 11/521:02ORD - PHX
1 stop13h 11mMultiple Airlines
Sun 18/507:15PHX - ORD
1 stop6h 42mMultiple Airlines
Deal found 15/4$334
Tue 13/506:15ORD - PHX
1 stop7h 25mSouthwest
Tue 20/516:50PHX - ORD
Nonstop3h 30mSouthwest
Deal found 15/4$372
Sat 31/507:00ORD - PHX
1 stop8h 05mAlaska Airlines
Sat 7/607:00PHX - ORD
1 stop14h 56mAlaska Airlines
Deal found 15/4$402
Sat 10/507:10ORD - PHX
1 stop8h 40mDelta
Tue 13/515:00PHX - ORD
1 stop6h 58mDelta
Deal found 15/4$404
Fri 29/820:10ORD - PHX
1 stop23h 10mSun Country Air
Mon 1/911:05PHX - ORD
1 stop6h 07mSun Country Air
Deal found 13/4$528
Sat 7/607:00ORD - PHX
1 stop8h 05mHawaiian Airlines
Sun 8/614:05PHX - ORD
1 stop7h 51mHawaiian Airlines
Deal found 13/4$649
Tue 29/413:36ORD - PHX
1 stop8h 17mAmerican Airlines
Wed 30/401:04PHX - ORD
Nonstop3h 26mAmerican Airlines
Deal found 14/4$682
Sun 11/510:00ORD - PHX
3 stops24h 13mSpirit Airlines
Sun 18/509:19PHX - ORD
2 stops24h 17mSpirit Airlines
Deal found 15/4$706
Thu 5/617:15MLI - PHL
1 stop4h 40mDelta
Thu 12/617:17PHL - MLI
1 stop6h 30mDelta
Deal found 15/4$762
Tue 13/514:36PIA - ABE
1 stop6h 09mUnited Airlines
Sun 18/506:37ABE - PIA
1 stop4h 35mUnited Airlines
Deal found 15/4$774

Find flights from Illinois within your budget

Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 15 April 2025. In the last 7 days, Cheapflights users made a total of 134,765 searches

Fly to

Auckland

Route

Departure

Return

Price

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Wed 21/5

07:35-09:34

Nonstop3h 59m

Phoenix Sky Harbor Intl

Wed 21/5

12:50-18:25

Nonstop3h 35m

$297

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 11/5

07:35-09:42

Nonstop4h 07m

Phoenix Sky Harbor Intl

Sun 18/5

07:15-15:57

1 stop6h 42m

$314

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 11/5

21:02-08:13

1 stop13h 11m

Phoenix Sky Harbor Intl

Sun 18/5

07:15-15:57

1 stop6h 42m

$334

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 13/5

06:15-11:40

1 stop7h 25m

Phoenix Sky Harbor Intl

Tue 20/5

16:50-22:20

Nonstop3h 30m

$372

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 31/5

07:00-13:05

1 stop8h 05m

Phoenix Sky Harbor Intl

Sat 7/6

07:00-23:56

1 stop14h 56m

$402

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 10/5

15:33-20:08

1 stop6h 35m

Phoenix Sky Harbor Intl

Tue 13/5

10:00-18:20

1 stop6h 20m

$404

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Fri 29/8

20:10-17:20

1 stop23h 10m

Phoenix Sky Harbor Intl

Mon 1/9

11:05-19:12

1 stop6h 07m

$528

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 7/6

07:00-13:05

1 stop8h 05m

Phoenix Sky Harbor Intl

Sun 8/6

14:05-23:56

1 stop7h 51m

$649

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 29/4

13:36-19:53

1 stop8h 17m

Phoenix Sky Harbor Intl

Wed 30/4

01:04-06:30

Nonstop3h 26m

$682

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sun 11/5

10:00-08:13

3 stops24h 13m

Phoenix Sky Harbor Intl

Sun 18/5

09:19-11:36

2 stops24h 17m

$706

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 53 results
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Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois with our price prediction graph.
Estimated return 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 Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Illinois (average of $372). Flying from Illinois in September will prove the most costly (average of $2,100). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Illinois

Get insights into the airlines that provide service from Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Illinois. In the last 7 days, Cheapflights users made a total of 134,765 searches.

Overall

8.8

Food

7.8

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Overall

8.8

Food

7.8

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Overall

8.8

Food

7.8

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Overall

8.8

Food

7.8

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Overall

8.8

Food

7.8

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Overall

8.8

Food

7.8

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 15 April 2025.
  • What is the cheapest month to fly from Illinois?

    At the present moment the cheapest month to fly from Illinois is currently August; with September being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Illinois?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Illinois?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois.

  • Can Cheapflights find flights from Illinois with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Illinois become cheaper?

    Not ready to book yet? You can track prices for flights from Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois.

Can Cheapflights find flights from Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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