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$860+ Cheap flights to Illinois

— ORD
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Illinois in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Illinois

Thu 15/1015:00 -
2 stops33h 34m
Tue 20/1008:30 -
3 stops35h 35m
Deal found 16/9$1,721
Thu 15/1006:00 -
2 stops27h 59m
Tue 20/1020:18 -
1 stop39h 37m
Deal found 16/9$1,782
Wed 21/1020:15 -
1 stop28h 19m
Sat 24/1020:01 -
1 stop39h 49m
Deal found 15/9$1,876
Wed 14/1015:00 -
3 stops33h 34m
Mon 19/1006:30 -
3 stops37h 35m
Deal found 16/9$1,904
Tue 3/1113:20 -
1 stop18h 04m
Fri 25/1206:00 -
1 stop32h 55m
Deal found 16/9$1,923
Tue 3/1113:20 -
1 stop19h 52m
Thu 24/1206:00 -
1 stop32h 55m
Deal found 16/9$1,937
Mon 12/1019:50 -
1 stop29h 06m
Mon 19/1007:30 -
1 stop28h 00m
Deal found 16/9$1,968
Sat 31/1019:00 -
1 stop19h 37m
Sat 7/1121:57 -
1 stop36h 48m
Deal found 15/9$1,995
Mon 12/1020:15 -
1 stop28h 19m
Mon 19/1020:01 -
2 stops48h 04m
Deal found 16/9$2,002

Find flight deals to Illinois

Return from

$1,721

One-way from

$860

Popular in

May

Cheapest in

November

Average price

$2,679
15/10-20/10
  • 15/10-20/10
  • 5 total stops
  • 69h 09m total
  • Auckland to Chicago
Search Deals
17/2-31/12
  • 17/2-31/12
  • 2 total stops
  • 35h 15m total
  • Auckland to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($248 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Wed 17/2

14:50-00:26

3 stops28h 36m

Chicago O'Hare Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$896

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Wed 14/10

15:00-06:34

3 stops33h 34m

Chicago O'Hare Intl

Mon 19/10

06:30-14:05

3 stops37h 35m

$1,904

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Wed 14/10

19:50-21:42

1 stop19h 52m

Chicago O'Hare Intl

Mon 19/10

21:45-05:30

1 stop37h 45m

$1,968

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 12/10

20:15-06:34

1 stop28h 19m

Chicago O'Hare Intl

Mon 19/10

20:01-14:05

2 stops48h 04m

$2,002

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 12/11

14:55-12:30

1 stop40h 35m

Chicago O'Hare Intl

Tue 24/11

14:10-13:25

1 stop28h 15m

$2,247

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 2/11

14:55-12:30

1 stop40h 35m

Chicago O'Hare Intl

Sun 15/11

06:44-13:25

2 stops35h 41m

$2,297

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 17/12

15:50-16:05

1 stop19h 15m

Chicago O'Hare Intl

Sat 30/1

17:55-09:25

1 stop20h 30m

$2,299

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Sat 31/10

20:20-23:02

1 stop20h 42m

Chicago O'Hare Intl

Thu 24/12

06:00-05:50

1 stop28h 50m

$2,304

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 27/10

14:55-13:30

1 stop40h 35m

Chicago O'Hare Intl

Tue 3/11

14:10-13:25

1 stop28h 15m

$2,337

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Wed 28/10

14:55-13:30

1 stop40h 35m

Chicago O'Hare Intl

Wed 4/11

14:10-00:05

2 stops38h 55m

$2,431

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 11 resultsSorted by cheapest first
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

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 21 hours 45 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.

What are the most popular airlines that fly to Illinois?

The most popular airlines flying from Auckland to Illinois are Air New Zealand, Qantas Airways and United Airlines.

Air New Zealand
Air New Zealand
From $1,784
Qantas Airways
Qantas Airways
From $1,436
United Airlines
United Airlines
From $1,466
American Airlines
American Airlines
From $1,928

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

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

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?

The most popular places in Illinois to fly to are Chicago and Champaign.

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with Air New Zealand,Qantas Airways, andUnited Airlines 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.
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Overall

8.0

Food

7.5

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air New Zealand
8.0
Very Good
669 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Overall

8.0

Food

7.5

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Qantas Airways
7.5
Good
1,100 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Overall

8.0

Food

7.5

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
United Airlines
7.4
Good
10,214 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Overall

8.0

Food

7.5

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
American Airlines
7.1
Good
12,075 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Overall

8.0

Food

7.5

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air Canada
7.1
Good
11,644 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Overall

8.0

Food

7.5

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

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 O'Hare Intl is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl typically cost $301, while return flights cost around $307.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $309, however they can be found for as little as $307.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Auckland Intl offers the quickest one-way flight (21 hours 45 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.

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