$1,044+ Cheap flights to Illinois

— ORD
29 Nov — 6 Dec1
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

Fri 25/1215:50 -
1 stop32h 54m
Thu 28/113:44 -
1 stop24h 26m
Deal found 25/10$1,928
Wed 9/1214:00 -
1 stop19h 37m
Fri 25/1215:30 -
1 stop24h 30m
Deal found 29/10$2,194
Fri 25/1214:50 -
3 stops33h 59m
Thu 28/106:21 -
3 stops46h 54m
Deal found 25/10$2,241
Thu 29/1014:50 -
2 stops35h 06m
Wed 4/1121:57 -
1 stop40h 13m
Deal found 26/10$2,294
Mon 2/1114:55 -
1 stop40h 35m
Sun 15/1114:10 -
1 stop28h 15m
Deal found 27/10$2,308
Tue 3/1119:50 -
1 stop19h 05m
Tue 10/1112:42 -
1 stop25h 28m
Deal found 27/10$2,379
Mon 2/1114:55 -
1 stop40h 35m
Sun 15/1106:44 -
2 stops35h 41m
Deal found 27/10$2,388
Thu 10/1215:50 -
1 stop22h 15m
Thu 24/1205:30 -
1 stop29h 15m
Deal found 29/10$2,404
Tue 3/1114:55 -
1 stop40h 35m
Tue 10/1114:10 -
2 stops39h 15m
Deal found 27/10$2,420

Find flight deals to Illinois

Return from

$1,928

One-way from

$891

Popular in

October

Cheapest in

April

Average price

$3,544
Qantas Airways
  • Qantas Airways
  • 25/12-28/1
  • 2 total stops
  • 57h 20m total
  • Auckland to Chicago
1/3-31/12
  • 1/3-31/12
  • 2 total stops
  • 35h 15m total
  • Auckland to Illinois
Highest demand for flights based on searches. 11% potential increase in price ($323 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($91 potential savings vs. average return price).
Average for return flights in October 2026

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

Tue 24/11

07:30-06:14

2 stops41h 44m

Chicago O'Hare Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,190
Fastest return journey

AucklandMoline

AKL Auckland Intl - MLI Moline Quad-City

AKLMLI

Auckland Intl

Sun 14/3

06:40-21:54

2 stops34h 14m

Moline Quad-City

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,488

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Wed 9/12

14:00-14:37

1 stop19h 37m

Chicago O'Hare Intl

Fri 25/12

15:45-11:00

2 stops24h 15m

$2,258

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

$2,388

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Fri 25/12

14:00-20:04

1 stop25h 04m

Chicago O'Hare Intl

Thu 28/1

21:22-11:00

2 stops42h 38m

$2,481

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 5/11

14:45-16:40

2 stops20h 55m

Chicago O'Hare Intl

Fri 13/11

18:28-08:55

1 stop19h 27m

$2,493

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Fri 6/11

14:45-15:45

1 stop20h 00m

Chicago O'Hare Intl

Wed 11/11

18:28-08:55

1 stop19h 27m

$2,493

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 5/11

14:45-19:11

2 stops23h 26m

Chicago O'Hare Intl

Tue 10/11

18:28-08:55

1 stop19h 27m

$2,493

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Fri 6/11

14:45-15:45

1 stop20h 00m

Chicago O'Hare Intl

Mon 9/11

14:03-08:55

2 stops23h 52m

$2,493

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 7/12

14:45-23:56

2 stops28h 11m

Chicago O'Hare Intl

Thu 24/12

07:59-08:55

1 stop29h 56m

$2,543

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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 18 hours 49 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 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.

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

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

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

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

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

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

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

7.9

Crew

8.5

Overall

8.0

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 $313.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $315, however they can be found for as little as $313.

  • 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 (18 hours 49 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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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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