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$779+ Cheap flights 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
13 Jul — 20 Jul1
1 adult

Flights to Illinois in 2025

Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 8 July 2025.

Return from

$1,449

One-way from

$779

Popular in

April

Cheapest in

February

Average price

$2,326
American Airlines
  • American Airlines
  • 25/9-25/10
  • 3 total stops
  • 52h 48m total
  • Auckland to Chicago
Air Canada
  • Air Canada
  • 12/8
  • 2 total stops
  • 40h 03m total
  • Auckland to Illinois
Highest demand for flights based on searches. 4% potential increase in price ($156 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Average for return flights in July 2025

Find flight deals to Illinois

Cheapest flights to Illinois
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 8 July 2025.

Thu 30/1015:50AKL - ORD
1 stop38h 21mBritish Airways
Sun 2/1109:00ORD - AKL
1 stop29h 25mBritish Airways
Deal found 6/7$1,416
Thu 25/915:50AKL - ORD
2 stops30h 40mAmerican Airlines
Sat 25/1017:17ORD - AKL
1 stop22h 08mAmerican Airlines
Deal found 6/7$1,449
Thu 30/1006:15AKL - ORD
2 stops28h 23mAir Canada
Sun 2/1115:40ORD - AKL
2 stops30h 10mAir Canada
Deal found 6/7$1,528
Mon 11/819:55AKL - ORD
2 stops50h 43mMultiple Airlines
Tue 9/919:41ORD - AKL
2 stops26h 14mMultiple Airlines
Deal found 6/7$1,722
Wed 20/819:45AKL - ORD
1 stop36h 10mUnited Airlines
Wed 27/807:00ORD - AKL
2 stops30h 00mUnited Airlines
Deal found 6/7$2,017
Mon 11/806:00AKL - ORD
2 stops26h 55mQantas Airways
Tue 9/917:46ORD - AKL
2 stops26h 59mQantas Airways
Deal found 7/7$2,117
Fri 26/919:45AKL - ORD
1 stop18h 39mAir New Zealand
Fri 10/1021:13ORD - AKL
1 stop40h 57mAir New Zealand
Deal found 6/7$2,122
Sun 28/914:25AKL - ORD
1 stop42h 00mCathay Pacific
Fri 17/1016:00ORD - AKL
1 stop48h 50mCathay Pacific
Deal found 7/7$2,127

Cheapflights Fare Finder

Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 8 July 2025.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Auckland

Route

Departure

Return

Price

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Thu 30/10

15:50-12:11

1 stop38h 21m

Chicago O'Hare Intl

Sun 2/11

09:00-09:25

1 stop29h 25m

$1,416

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Thu 25/9

15:50-05:30

2 stops30h 40m

Chicago O'Hare Intl

Sat 25/10

17:17-09:25

1 stop22h 08m

$1,449

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Thu 30/10

06:15-16:38

2 stops28h 23m

Chicago O'Hare Intl

Sun 2/11

15:40-16:50

2 stops30h 10m

$1,528

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Mon 11/8

19:55-05:38

2 stops50h 43m

Chicago O'Hare Intl

Tue 9/9

19:41-14:55

2 stops26h 14m

$1,722

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Wed 20/8

19:45-14:55

1 stop36h 10m

Chicago O'Hare Intl

Wed 27/8

07:00-06:00

2 stops30h 00m

$2,017

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Mon 11/8

06:00-15:55

2 stops26h 55m

Chicago O'Hare Intl

Tue 9/9

17:46-13:45

2 stops26h 59m

$2,117

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 26/9

19:45-21:24

1 stop18h 39m

Chicago O'Hare Intl

Fri 10/10

21:13-08:10

1 stop40h 57m

$2,122

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Sun 28/9

14:25-14:25

1 stop42h 00m

Chicago O'Hare Intl

Fri 17/10

16:00-10:50

1 stop48h 50m

$2,127

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Tue 12/8

06:35-05:38

2 stops40h 03m

$779

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Tue 12/8

06:45-19:29

3 stops29h 44m

$892

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 16 results
1
2

Best time to book a flight to Illinois

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

Cheapflights Insights

Everything you need to know about your flight to Illinois

How long is the flight to Illinois?

On average, a flight from Auckland to Illinois takes 27 hours 7 minutes. Flights to Illinois from other popular cities in New Zealand will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Illinois?

Use this chart to determine the cheapest time to fly return from Auckland to Illinois. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Illinois should consider flying on Saturday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Auckland to Illinois are Air Canada, Qantas Airways and United Airlines.

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 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What are the most popular places to fly to in Illinois?

Destination popularity is based on the amount of flight searches to Illinois in the last few years. This data was updated on 8 July 2025.
The most popular places in Illinois to fly to are Chicago and Champaign.

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 8 July 2025.
Get a feel of what it's like to fly with Air New Zealand, Cathay Pacific, andQantas Airways to the United States by reading reviews from past customers. 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.

Comfort

8.0

Food

7.3

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

Comfort

8.0

Food

7.3

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

Comfort

8.0

Food

7.3

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

Comfort

8.0

Food

7.3

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

Comfort

8.0

Food

7.3

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

Comfort

8.0

Food

7.3

Entertainment

7.4

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

FAQs about flying to Illinois

  • Can I find cheaper flights to Illinois if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Illinois on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Illinois?

    Based on reviews from Cheapflights users, Qantas Airways is rated the highest out of the airlines that fly to Illinois.

  • What is the cheapest airport to fly to in Illinois?

    Chicago Midway is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago Midway typically cost $162, while return flights cost around $145.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $105, however they can be found for as little as $87.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Wellington offers the quickest one-way flight (26 hours 50 minutes).

  • Does Chicago O'Hare Intl have rental cars?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

See more FAQs

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Illinois flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Illinois today and book when you’re ready!

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