Find flights
Airlines

$845+ Cheap flights to Illinois

— ORD
18 Nov — 25 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

Mon 2/1114:50 -
3 stops33h 23m
Mon 16/1106:30 -
3 stops35h 55m
Deal found 15/10$1,915
Tue 22/1215:50 -
1 stop32h 11m
Sun 3/118:20 -
1 stop19h 50m
Deal found 18/10$1,936
Wed 9/1214:00 -
1 stop19h 37m
Thu 24/1215:45 -
2 stops48h 15m
Deal found 17/10$2,178
Mon 2/1114:55 -
1 stop40h 35m
Mon 16/1114:10 -
1 stop28h 15m
Deal found 15/10$2,215
Tue 3/1113:20 -
2 stops38h 45m
Wed 18/1117:59 -
1 stop20h 11m
Deal found 17/10$2,281
Tue 3/1115:50 -
1 stop23h 32m
Wed 18/1116:35 -
1 stop21h 35m
Deal found 17/10$2,293
Fri 23/1014:25 -
1 stop41h 30m
Sun 8/1114:10 -
1 stop28h 15m
Deal found 15/10$2,300
Sun 13/1215:50 -
1 stop22h 15m
Mon 28/1205:30 -
1 stop29h 15m
Deal found 19/10$2,302
Wed 28/1019:55 -
1 stop27h 07m
Wed 4/1116:01 -
1 stop22h 09m
Deal found 14/10$2,307
Tue 10/1115:50 -
1 stop24h 55m
Wed 18/1107:35 -
1 stop30h 35m
Deal found 18/10$2,328

Find flight deals to Illinois

Return from

$1,915

One-way from

$845

Popular in

October

Cheapest in

March

Average price

$3,523
2/11-16/11
  • 2/11-16/11
  • 6 total stops
  • 69h 18m total
  • Auckland to Chicago
Search Deals
18/2-31/12
  • 18/2-31/12
  • 2 total stops
  • 35h 15m total
  • Auckland to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($333 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average return price).
Search Deals
Average for return flights in October 2026
Search Deals

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

Thu 26/11

07:30-06:14

2 stops41h 44m

Chicago O'Hare Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,017

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 3/11

15:50-20:22

1 stop23h 32m

Chicago O'Hare Intl

Wed 18/11

16:35-09:10

1 stop21h 35m

$2,293

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 10/11

15:50-21:45

1 stop24h 55m

Chicago O'Hare Intl

Wed 18/11

07:35-09:10

1 stop30h 35m

$2,328

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Tue 8/12

13:20-19:59

1 stop25h 39m

Chicago O'Hare Intl

Fri 8/1

08:30-09:55

1 stop30h 25m

$2,339

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

Mon 16/11

17:52-09:45

2 stops44h 53m

$2,342

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Sun 1/11

15:50-08:56

2 stops35h 06m

Chicago O'Hare Intl

Wed 4/11

07:35-09:10

1 stop30h 35m

$2,374

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Sun 1/11

06:50-15:37

2 stops26h 47m

Chicago O'Hare Intl

Wed 4/11

15:25-23:00

2 stops36h 35m

$2,387
Fastest return journey

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 16/11

19:50-21:40

1 stop20h 50m

Chicago O'Hare Intl

Sun 22/11

14:30-05:45

1 stop20h 15m

$2,415

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 16/11

14:50-05:13

3 stops33h 23m

Chicago O'Hare Intl

Sun 22/11

19:35-05:50

2 stops39h 15m

$2,434

AucklandChicago

AKL Auckland Intl - ORD Chicago O'Hare Intl

AKLORD

Auckland Intl

Mon 23/11

14:45-21:33

2 stops25h 48m

Chicago O'Hare Intl

Sat 5/12

16:30-08:55

1 stop21h 25m

$2,445

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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 23 hours 1 minute. 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 $1,812
Qantas Airways
Qantas Airways
From $1,861
United Airlines
United Airlines
From $1,991

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
675 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

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
675 reviews
Air New Zealand
8.0
Very Good
675 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

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
1,114 reviews
Air New Zealand
8.0
Very Good
675 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

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
7.3
Good
10,389 reviews
Air New Zealand
8.0
Very Good
675 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

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, 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 $305, while return flights cost around $311.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $313, however they can be found for as little as $311.

  • 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 (23 hours 1 minute).

  • 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

Browse thousands of different options on Cheapflights for your next trip

Find flights to Illinois

Flights to O'Hare Intl
Flights to Midway
Flights to Springfield
Flights to Belleville
Flights to Chicago

Fly with Cheapflights

How does Cheapflights help users find flights to Illinois?

Deals for Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Illinois?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Illinois with no change fees?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.