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$1,105+ Cheap flights to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
27 Jun — 4 Jul1
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
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 28 May 2026.

Fri 13/1120:10
AKL
-
ORD
1 stop19h 12m
Air New Zealand
Wed 25/1115:51
ORD
-
AKL
1 stop19h 14m
Air New Zealand
Deal found 26/5$2,315
Thu 11/613:50
AKL
-
ORD
1 stop33h 03m
United Airlines
Sat 13/605:30
ORD
-
AKL
1 stop31h 00m
United Airlines
Deal found 26/5$2,362
Tue 16/606:10
AKL
-
ORD
2 stops26h 39m
Qantas Airways
Fri 26/618:59
ORD
-
AKL
2 stops26h 11m
Qantas Airways
Deal found 26/5$2,376
Fri 13/1108:20
AKL
-
ORD
2 stops26h 35m
Qantas Airways
Wed 25/1115:00
ORD
-
AKL
2 stops28h 05m
Qantas Airways
Deal found 26/5$2,384
Tue 23/613:25
AKL
-
ORD
2 stops43h 24m
Qantas Airways
Tue 30/618:59
ORD
-
AKL
2 stops28h 51m
Qantas Airways
Deal found 25/5$2,447
Sun 14/615:35
AKL
-
ORD
2 stops32h 40m
Air Tahiti Nui
Tue 17/1118:03
ORD
-
AKL
2 stops24h 37m
Air Tahiti Nui
Deal found 27/5$2,449
Thu 17/906:10
AKL
-
ORD
2 stops26h 40m
Qantas Airways
Mon 21/918:02
ORD
-
AKL
2 stops27h 03m
Qantas Airways
Deal found 24/5$2,452
Mon 22/608:20
AKL
-
ORD
2 stops28h 08m
Qantas Airways
Wed 1/718:20
ORD
-
AKL
2 stops26h 50m
Qantas Airways
Deal found 26/5$2,454
Sun 14/615:35
AKL
-
ORD
2 stops32h 40m
Air Tahiti Nui
Mon 16/1120:40
ORD
-
AKL
2 stops46h 00m
Air Tahiti Nui
Deal found 27/5$2,457
Wed 26/813:25
AKL
-
ORD
2 stops27h 05m
American Airlines
Sun 30/815:21
ORD
-
AKL
2 stops29h 44m
American Airlines
Deal found 27/5$2,461
Thu 3/913:25
AKL
-
ORD
2 stops45h 22m
Qantas Airways
Thu 10/915:52
ORD
-
AKL
2 stops29h 13m
Qantas Airways
Deal found 24/5$2,464
Thu 16/714:00
AKL
-
ORD
2 stops24h 22m
Multiple Airlines
Thu 30/718:19
ORD
-
AKL
2 stops25h 26m
Multiple Airlines
Deal found 24/5$2,481

Find flights to Illinois

Browse one-way and return flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 28 May 2026
Explore Illinois
Flights to Chicago
Flights to St. Louis

Find flight deals to Illinois

Find the latest flights to Illinois in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 28 May 2026.

Return from

$2,315

One-way from

$1,154

Popular in

May

Cheapest in

February

Average price

$2,731
Air New Zealand
  • Air New Zealand
  • 13/11-25/11
  • 2 total stops
  • 38h 26m total
  • Auckland to Chicago
Search Deals
14/7
  • 14/7
  • 2 total stops
  • 43h 08m total
  • Auckland to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($239 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($61 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 28 May 2026.
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 - ORD

AKLORD

Auckland Intl

Thu 16/7

14:00-21:22

2 stops24h 22m

Chicago O'Hare Intl

Thu 30/7

18:19-12:45

2 stops25h 26m

$2,481

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Thu 17/9

10:15-13:55

1 stop44h 40m

Chicago O'Hare Intl

Mon 21/9

16:15-19:10

2 stops33h 55m

$2,515

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 26/6

08:20-19:28

2 stops28h 08m

Chicago O'Hare Intl

Sun 12/7

18:18-14:05

2 stops26h 47m

$2,641

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 17/7

16:25-10:02

1 stop34h 37m

Chicago O'Hare Intl

Fri 31/7

19:08-14:10

2 stops26h 02m

$2,700
Fastest return journey

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 10/7

19:00-00:45

2 stops22h 45m

Chicago O'Hare Intl

Fri 17/7

17:45-05:30

1 stop18h 45m

$2,806

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Tue 23/6

07:00-14:50

2 stops24h 50m

Chicago O'Hare Intl

Tue 30/6

07:00-05:00

1 stop29h 00m

$3,021

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 19/6

19:00-04:51

1 stop26h 51m

Chicago O'Hare Intl

Thu 2/7

18:20-07:10

1 stop19h 50m

$3,382

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Fri 26/6

20:15-23:16

1 stop20h 01m

Chicago O'Hare Intl

Sun 12/7

06:10-06:00

1 stop30h 50m

$3,424

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Tue 16/6

09:20-21:28

3 stops53h 08m

Chicago O'Hare Intl

Thu 25/6

00:30-14:50

2 stops45h 20m

$3,467
Cheapest one-way
Fastest single journey

AucklandChicago

AKL - ORD

AKLORD

Auckland Intl

Wed 19/8

14:00-06:20

3 stops33h 20m

$1,218

Flights are sorted by cheapest return flights first.

Deals found on 28/5

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 19 hours 12 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 $1,769
Qantas Airways
Qantas Airways
From $1,305
United Airlines
United Airlines
From $1,401
American Airlines
American Airlines
From $300

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Auckland to Illinois are American Airlines, Fiji Airways and Qantas Airways.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals 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

Plan your trip to Illinois by taking into account the average temperature totals 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?

Destination popularity is based on the amount of flight searches to Illinois in the last few years. This data was updated on 28 May 2026.
The most popular places in Illinois to fly to are Chicago and Champaign.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 28 May 2026.
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
648 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
648 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,043 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,751 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,639 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,095 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 $419, while return flights cost around $299.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $301, however they can be found for as little as $299.

  • 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 (19 hours 12 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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Flights to Chicago

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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!

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