This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
29 Nov — 6 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Flights to Illinois in 2026
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
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 30 October 2026.
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
Best flights to Illinois
Discover carefully curated flight deals to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.
Wed 9/1214:00 -
1 stop19h 37m
Fri 25/1215:45 -
2 stops24h 15m
Deal found 29/10$2,258
Mon 2/1114:55 -
1 stop40h 35m
Sun 15/1106:44 -
2 stops35h 41m
Deal found 27/10$2,388
Thu 5/1114:45 -
2 stops20h 55m
Fri 13/1118:28 -
1 stop19h 27m
Deal found 27/10$2,493
Fri 25/1208:15 -
2 stops26h 50m
Thu 28/115:30 -
2 stops27h 35m
Deal found 26/10$2,561
Fri 25/1214:00 -
1 stop25h 04m
Thu 28/121:22 -
2 stops42h 38m
Deal found 25/10$2,481
Fri 6/1114:45 -
1 stop20h 00m
Wed 11/1118:28 -
1 stop19h 27m
Deal found 27/10$2,493
Thu 5/1114:45 -
2 stops23h 26m
Tue 10/1118:28 -
1 stop19h 27m
Deal found 27/10$2,493
Fri 6/1114:45 -
1 stop20h 00m
Mon 9/1114:03 -
2 stops23h 52m
Deal found 27/10$2,493
Mon 7/1214:45 -
2 stops28h 11m
Thu 24/1207:59 -
1 stop29h 56m
Deal found 29/10$2,543
Last-minute flights to Illinois
Discover last-minute flight deals to Illinois. Data last updated 30 October 2026 and is based on user searches.
Thu 29/1014:50 -
2 stops35h 06m
Wed 4/1121:57 -
1 stop40h 13m
Deal found 26/10$2,294
Thu 29/1020:20 -
1 stop20h 39m
Wed 4/1118:30 -
1 stop40h 15m
Deal found 26/10$2,511
Thu 29/1014:50 -
1 stop19h 39m
Thu 5/1118:20 -
1 stop19h 50m
Deal found 26/10$2,523
Sat 31/1013:45 -
1 stop20h 00m
Sun 8/1118:59 -
1 stop18h 56m
Deal found 27/10$2,493
Mon 2/1114:55 -
1 stop40h 35m
Sun 15/1114:10 -
1 stop28h 15m
Deal found 27/10$2,308
Mon 2/1114:55 -
1 stop40h 35m
Sun 15/1106:44 -
2 stops35h 41m
Deal found 27/10$2,388
Mon 2/1120:20 -
1 stop20h 40m
Tue 10/1118:20 -
1 stop19h 50m
Deal found 27/10$2,450
Tue 3/1119:50 -
1 stop19h 05m
Tue 10/1112:42 -
1 stop25h 28m
Deal found 27/10$2,379
Tue 3/1114:55 -
1 stop40h 35m
Tue 10/1114:10 -
2 stops39h 15m
Deal found 27/10$2,420
Tue 3/1116:05 -
2 stops31h 57m
Tue 10/1106:29 -
2 stops36h 11m
Deal found 27/10$2,449
Tue 3/1116:05 -
2 stops22h 59m
Sun 8/1108:42 -
2 stops33h 58m
Deal found 27/10$2,481
Sat 21/1115:50 -
2 stops26h 23m
Sat 28/1119:15 -
2 stops42h 55m
Deal found 27/10$2,929
One-way flights to Illinois
Search for one-way flight options to Illinois. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.
Thu 3/1207:30 -
3 stops36h 23m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10$1,044
Sun 14/306:40 -
2 stops34h 14m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10$1,488
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 7,457,451 searches and data was last updated on 30 October 2026.
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 7,457,451 searches and data was last updated on 30 October 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 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.
AKL-ORD
AKL-PIA
AKL-MLI
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
AKL-USIL
AKL-ORD
AKL-PIA
AKL-MLI
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 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.
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
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 30 October 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 30 October 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.
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
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
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
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.
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.
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).
Not sure where to visit in United States? Start by selecting one of the most popular places in United States below to filter down your possible destination.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.