Cheap flights from Australia to Illinois from $577
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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Australia to Illinois
Keep the following information in mind while searching for Australia to Illinois flight deals. Data was last updated 31 March 2025.
Round-trip from | $1,511 |
---|---|
One-way from | $577 |
Popular in | December |
Cheapest in | February |
Average price | $1,458 |
Find flight deals from Australia to Illinois
Cheapest flights from Australia to IllinoisExplore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Australia to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 31 March 2025.
Use the filters below to find and compare flights from Australia to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
Tue 10/6
10:20-12:45
2 stops41h 25m
Chicago O'Hare Intl
Tue 17/6
08:40-07:05
2 stops31h 25m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Wed 14/5
13:15-06:42
2 stops32h 27m
Chicago O'Hare Intl
Wed 21/5
18:59-11:45
2 stops25h 46m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Thu 22/5
09:20-14:47
2 stops44h 27m
Chicago O'Hare Intl
Wed 4/6
15:35-07:20
1 stop24h 45m
SydneySt. Louis
SYD - STL
SYDSTL
Sydney Kingsford Smith
Wed 14/5
09:20-19:43
2 stops49h 23m
Lambert-St Louis
Wed 21/5
08:48-07:20
2 stops31h 32m
MelbourneChicago
MEL - ORD
MELORD
Melbourne
Mon 2/6
08:35-23:13
2 stops29h 38m
Chicago O'Hare Intl
Mon 25/8
16:35-10:50
2 stops27h 15m
MelbourneChicago
MEL - ORD
MELORD
Melbourne
Sat 24/5
12:55-23:05
2 stops25h 10m
Chicago O'Hare Intl
Wed 28/5
06:10-12:15
2 stops39h 05m
MelbourneChicago
MEL - ORD
MELORD
Melbourne
Mon 2/6
14:25-14:25
1 stop39h 00m
Chicago O'Hare Intl
Mon 25/8
16:00-11:15
1 stop28h 15m
MelbourneChicago
MEL - ORD
MELORD
Melbourne
Tue 12/8
06:00-14:49
2 stops23h 49m
Chicago O'Hare Intl
Mon 22/12
15:40-15:45
2 stops31h 05m
MelbourneChicago
MEL - ORD
MELORD
Melbourne
Mon 2/6
07:25-16:00
1 stop23h 35m
Chicago O'Hare Intl
Sun 24/8
01:30-08:50
2 stops40h 20m
PerthChicago
PER - ORD
PERORD
Perth
Wed 3/9
12:25-09:05
2 stops33h 40m
Chicago O'Hare Intl
Sun 7/9
01:05-00:40
2 stops34h 35m
Best time to book a flight from Australia to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Australia to Illinois
What is the cheapest time of day to fly from AU to IL?
Find hourly flight availability from Australia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Illinois as you normally would.
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 inches 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).
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 31 March 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, EVA Air and Korean Air from Australia to Illinois 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.
Boarding
Overall
Entertainment
Crew
Food
Comfort
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Overall
Entertainment
Crew
Food
Comfort
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Overall
Entertainment
Crew
Food
Comfort
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Overall
Entertainment
Crew
Food
Comfort
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Overall
Entertainment
Crew
Food
Comfort
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Overall
Entertainment
Crew
Food
Comfort
Reviews
Isabelle,Apr 2023
AKL - PPT
Related info for your journey
Find useful and relevant information for your journey from Australia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Australia to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Australia to Illinois
Discover the top 10 airlines that operate flights from Australia to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 31 March 2025.
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 from Australia to Illinois?
Cheapflights helps you search for flights from Australia to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Australia.
Can Cheapflights find flights from Australia to Illinois with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Illinois flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?
Yes, Cheapflights offers price alerts on Australia to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.