Cheap flights from Australia to Illinois from $766
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 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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?
In general, March is the cheapest month to fly from Australia to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,138. If you’re not able to fly to Illinois in March, then May is your next best option. Flight prices from Australia to Illinois during May average around $1,148.
What is the cheapest day to depart on your flight to Illinois?
On average, the least expensive day to fly to Illinois from Australia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,724. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,030. These prices are subject to change though, so be sure to set up a Price Alert for flights to Illinois.
What is the cheapest time of day to depart on your flight to Illinois?
According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from Australia to Illinois in the afternoon for as low as $1,721. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Illinois are more costly in the morning, with an average ticket price of $1,904. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
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 $1,562 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 $1,302 on momondo.
What is the cheapest airline that flies from Australia to Illinois?
Air Canada, Cathay Pacific, and EVA Air are the most popular carriers operating from Australia to Illinois
Which airlines fly to Illinois?
Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Illinois from Australia according to our data. Qantas Airways is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 10 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 are updated daily.
How many operators does momondo search for flights from Australia to Illinois?
As of June 2025, there are 10 operators available to choose from for flights from Australia to Illinois.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 licence, 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 $982 | Free cancellation | Rating 7.5 854 reviews | |||
| PriceFrom $1,138 | Free cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,186 | Free cancellation | Rating 8.0 483 reviews | |||
| PriceFrom $1,277 | Free cancellation | Rating 7.1 9,528 reviews | |||
| PriceFrom $1,370 | Free cancellation | Rating 7.4 8,784 reviews | |||
| PriceFrom $1,543 | Free cancellation | Rating 8.4 1,202 reviews | |||
| PriceFrom $1,565 | Free cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $1,612 | Free cancellation | Rating 8.3 881 reviews | |||
| PriceFrom $1,769 | Free cancellation | Rating 7.5 407 reviews | |||
| PriceFrom $2,074 | Free cancellation | Rating 8.3 1,489 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Australia to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Illinois . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Australia to Illinois with flexible booking policies on momondo?
Yes. All flights to Illinois from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Australia to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Australia.
I’m not ready to book a flight from Australia to Illinois right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Australia to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.