$779+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Illinois in 2025
Find the latest flights to Illinois in 2025, 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 8 July 2025.
Return from | $1,449 |
---|---|
One-way from | $779 |
Popular in | April |
Cheapest in | February |
Average price | $2,326 |
Find flight deals to Illinois
Cheapest flights to IllinoisExplore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 8 July 2025.
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 8 July 2025.
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 8 July 2025.
Use the filters below to find and compare flights to Illinois that are best for you.
Fly from
Route
Departure
Return
Price
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Thu 30/10
15:50-12:11
1 stop38h 21m
Chicago O'Hare Intl
Sun 2/11
09:00-09:25
1 stop29h 25m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Thu 25/9
15:50-05:30
2 stops30h 40m
Chicago O'Hare Intl
Sat 25/10
17:17-09:25
1 stop22h 08m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Thu 30/10
06:15-16:38
2 stops28h 23m
Chicago O'Hare Intl
Sun 2/11
15:40-16:50
2 stops30h 10m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Mon 11/8
19:55-05:38
2 stops50h 43m
Chicago O'Hare Intl
Tue 9/9
19:41-14:55
2 stops26h 14m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Wed 20/8
19:45-14:55
1 stop36h 10m
Chicago O'Hare Intl
Wed 27/8
07:00-06:00
2 stops30h 00m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Mon 11/8
06:00-15:55
2 stops26h 55m
Chicago O'Hare Intl
Tue 9/9
17:46-13:45
2 stops26h 59m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Fri 26/9
19:45-21:24
1 stop18h 39m
Chicago O'Hare Intl
Fri 10/10
21:13-08:10
1 stop40h 57m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Sun 28/9
14:25-14:25
1 stop42h 00m
Chicago O'Hare Intl
Fri 17/10
16:00-10:50
1 stop48h 50m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Tue 12/8
06:35-05:38
2 stops40h 03m
AucklandChicago
AKL - ORD
AKLORD
Auckland Intl
Tue 12/8
06:45-19:29
3 stops29h 44m
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.
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 27 hours 7 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.
When is the cheapest time to fly to Illinois?
Use this chart to determine the cheapest time to fly return from Auckland to Illinois. Price data was last updated on 16 December 2024.
Users looking for the lowest fares to Illinois should consider flying on Saturday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.
What are the most popular airlines that fly to Illinois?
The most popular airlines flying from Auckland to Illinois are Qantas Airways, Air New Zealand and United Airlines.
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
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 8 July 2025.
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 8 July 2025.
Get a feel of what it's like to fly with Air New Zealand, Cathay Pacific, andQantas Airways 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.
Comfort
Food
Entertainment
Boarding
Crew
Overall
Reviews
Anonymous,May 2025
AKL - SFO
Comfort
Food
Entertainment
Boarding
Crew
Overall
Reviews
Anonymous,May 2025
AKL - SFO
Comfort
Food
Entertainment
Boarding
Crew
Overall
Reviews
Anonymous,May 2025
AKL - SFO
Comfort
Food
Entertainment
Boarding
Crew
Overall
Reviews
Anonymous,May 2025
AKL - SFO
Comfort
Food
Entertainment
Boarding
Crew
Overall
Reviews
Anonymous,May 2025
AKL - SFO
Comfort
Food
Entertainment
Boarding
Crew
Overall
Reviews
Anonymous,May 2025
AKL - SFO
FAQs about flying to Illinois
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Fly with Cheapflights
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!