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$867+ Cheap flights to Illinois

— ORD
4 Nov — 11 Nov1
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

Tue 10/1108:00 -
3 stops35h 21m
Wed 18/1110:40 -
3 stops33h 05m
Deal found 30/9$1,956
Mon 23/1114:50 -
2 stops34h 24m
Tue 8/1206:21 -
3 stops36h 14m
Deal found 4/10$2,006
Mon 23/1113:20 -
2 stops20h 00m
Tue 8/1205:30 -
1 stop33h 25m
Deal found 4/10$2,188
Mon 16/1114:50 -
3 stops33h 23m
Mon 23/1106:40 -
2 stops28h 10m
Deal found 1/10$2,220

Find flight deals to Illinois

Return from

$1,949

One-way from

$1,000

Popular in

May

Cheapest in

November

Average price

$2,535
Qantas Airways
  • Qantas Airways
  • 11/1-11/2
  • 2 total stops
  • 56h 51m total
  • Auckland to Chicago
Search Deals
7/11-31/12
  • 7/11-31/12
  • 3 total stops
  • 37h 45m total
  • Auckland to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($164 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($53 potential savings vs. average return price).
Search Deals
Average for return flights in October 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

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Sat 27/2

16:20-07:05

3 stops57h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$993

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 23/11

14:50-06:14

2 stops34h 24m

Chicago O'Hare Intl

Tue 8/12

06:21-13:35

3 stops36h 14m

$2,006

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 10/11

08:00-00:21

3 stops35h 21m

Chicago O'Hare Intl

Wed 18/11

06:30-14:05

3 stops36h 35m

$2,101

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 23/11

13:20-14:20

2 stops20h 00m

Chicago O'Hare Intl

Tue 8/12

05:30-09:55

1 stop33h 25m

$2,188

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Wed 18/11

08:00-19:59

2 stops30h 59m

Chicago O'Hare Intl

Wed 25/11

15:30-18:25

2 stops31h 55m

$2,200

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 10/11

13:20-09:05

2 stops38h 45m

Chicago O'Hare Intl

Wed 18/11

19:04-09:10

1 stop19h 06m

$2,307

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 10/11

20:20-22:59

1 stop21h 39m

Chicago O'Hare Intl

Wed 18/11

14:00-05:50

1 stop20h 50m

$2,393
Fastest return journey

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 14/1

19:50-22:59

1 stop22h 09m

Chicago O'Hare Intl

Mon 8/2

13:55-05:00

1 stop20h 05m

$2,464

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Sorted by cheapest first

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 22 hours 40 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 $1,825
Qantas Airways
Qantas Airways
From $1,874
United Airlines
United Airlines
From $2,005

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Auckland to Illinois are Air New Zealand, 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

Comfort

7.9

Food

7.5

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

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

Comfort

7.9

Food

7.5

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

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
1,103 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Comfort

7.9

Food

7.5

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

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
10,289 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Comfort

7.9

Food

7.5

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

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, Air New Zealand 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 $307, while return flights cost around $314.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $316, however they can be found for as little as $314.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Christchurch offers the quickest one-way flight (22 hours 22 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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