Cheap flights from Australia to Illinois from $470
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Illinois departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Australia to Illinois
Recent round-trip flight deals from Australia to Illinois
Recent one-way flight deals from Australia to Illinois
Recent last minute flight deals from Australia to Illinois
Cathay Pacific flights from Australia to Illinois
Our best Cathay Pacific deals on Australia to Illinois flight tickets
Qantas Airways flights from Australia to Illinois
Our best Qantas Airways deals on Australia to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from Australia to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Australia is in March. Flight prices, which tend to average around $748, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $759.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Australia to Illinois is on a Thursday when prices can be found for as low as $1,103. Flights from Australia to Illinois on a Monday will generally be more expensive and average around $1,626. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Australia to Illinois during this time can be as low as $1,141. Flights in the morning are often more expensive with an average ticket price of $1,365.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Australia when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,076 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Australia for as low as $857 on momondo.
What is the cheapest airline that flies from Australia to Illinois?
Cathay Pacific, United Airlines, and Delta are the most popular carriers operating from Australia to Illinois
What airlines fly to Illinois?
American Airlines, Qantas Airways and United Airlines are the top three most popular airlines that fly to Illinois from Australia according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Australia to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Australia to Illinois
When did momondo last update prices for flights from Australia to Illinois?
Prices for flights from Australia to Illinois were last updated today.
How many operators does momondo search for flights from Australia to Illinois?
There are 3 operators available for flights from Australia to Illinois as of April 2025.
How old do you have to be to fly from Australia to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Australia to Illinois
Compare and see reviews for airlines that fly from Australia to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $631 | Free Cancellation | Rating 7.5 828 reviews | |||
| PriceFrom $884 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,080 | Free Cancellation | Rating 7.4 8,685 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Australia to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Australia to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Australia to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Australia to Illinois?
Once all potential Australia to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Australia to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Australia and alert you when they change.