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$981+ Cheap flights to Illinois

— ORD
21 Sep — 28 Sep1
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 17/1113:20 -
1 stop24h 00m
Wed 2/1221:00 -
1 stop41h 55m
Deal found 19/8$1,657
Thu 5/1106:00 -
2 stops42h 02m
Mon 9/1121:06 -
2 stops65h 19m
Deal found 20/8$1,713
Mon 9/1120:20 -
2 stops32h 41m
Tue 24/1119:10 -
1 stop38h 50m
Deal found 17/8$2,149
Wed 11/1119:00 -
2 stops23h 59m
Tue 24/1119:10 -
1 stop38h 50m
Deal found 17/8$2,217
Thu 12/1116:05 -
3 stops27h 28m
Tue 24/1119:10 -
1 stop39h 40m
Deal found 17/8$2,224
Tue 10/1116:05 -
2 stops22h 59m
Tue 24/1115:25 -
2 stops27h 15m
Deal found 17/8$2,229
Tue 10/1116:05 -
2 stops40h 26m
Mon 23/1121:00 -
2 stops45h 40m
Deal found 17/8$2,237
Mon 9/1120:20 -
2 stops32h 41m
Thu 26/1119:10 -
1 stop38h 50m
Deal found 17/8$2,241
Fri 13/1119:00 -
2 stops24h 33m
Tue 24/1119:10 -
1 stop38h 50m
Deal found 17/8$2,274
Tue 10/1120:20 -
2 stops32h 41m
Thu 26/1119:10 -
1 stop38h 50m
Deal found 17/8$2,291

Find flights to Illinois

Explore Illinois
Flights to Chicago
Flights to St. Louis

Find flight deals to Illinois

Return from

$1,401

One-way from

$981

Popular in

June

Cheapest in

February

Average price

$2,326
American Airlines
  • American Airlines
  • 31/1-2/2
  • 3 total stops
  • 52h 45m total
  • Auckland to Chicago
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5/11
  • 5/11
  • 3 total stops
  • 33h 23m total
  • Auckland to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($305 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($42 potential savings vs. average return price).
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Average for return flights in August 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

Sun 31/1

13:20-15:00

1 stop20h 40m

Chicago O'Hare Intl

Tue 2/2

05:57-09:55

1 stop32h 58m

$1,406

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Sun 31/1

16:05-18:38

2 stops21h 33m

Chicago O'Hare Intl

Tue 2/2

15:20-13:40

2 stops27h 20m

$2,241

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 5/11

06:00-05:02

2 stops42h 02m

Chicago O'Hare Intl

Mon 9/11

21:06-09:25

2 stops65h 19m

$2,279
Fastest return journey

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Sun 15/11

14:45-13:32

1 stop17h 47m

Chicago O'Hare Intl

Mon 23/11

18:28-08:55

1 stop19h 27m

$2,415

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Fri 13/11

14:45-21:47

2 stops26h 02m

Chicago O'Hare Intl

Fri 27/11

17:00-08:55

1 stop20h 55m

$2,415

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 12/11

14:45-13:32

1 stop17h 47m

Chicago O'Hare Intl

Thu 26/11

17:00-08:55

1 stop20h 55m

$2,415

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 17/11

06:50-16:57

2 stops29h 07m

Chicago O'Hare Intl

Wed 2/12

17:15-14:45

2 stops26h 30m

$2,420

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Thu 5/11

20:20-23:59

2 stops22h 39m

Chicago O'Hare Intl

Mon 9/11

16:01-09:10

1 stop22h 09m

$2,448

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 12/10

16:05-23:30

2 stops25h 25m

Chicago O'Hare Intl

Sun 25/10

18:55-17:55

2 stops29h 00m

$2,448

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 11/1

19:00-00:15

2 stops24h 15m

Chicago O'Hare Intl

Sat 6/2

20:00-05:50

1 stop38h 50m

$2,458

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 12 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 33 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 Air Canada.

Air New Zealand
Air New Zealand
From $1,706
Qantas Airways
Qantas Airways
From $1,405
Air Canada
Air Canada
From $1,226
American Airlines
American Airlines
From $1,474

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
663 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Food

7.5

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
663 reviews
Air New Zealand
8.0
Very Good
663 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Food

7.5

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,084 reviews
Air New Zealand
8.0
Very Good
663 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Food

7.5

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
10,110 reviews
Air New Zealand
8.0
Very Good
663 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Food

7.5

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,988 reviews
Air New Zealand
8.0
Very Good
663 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Food

7.5

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,514 reviews
Air New Zealand
8.0
Very Good
663 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Food

7.5

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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 $289, while return flights cost around $295.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $297, however they can be found for as little as $295.

  • 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 33 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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