Cheap flights from Illinois to Australia from $453
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Australia departing on 5/15. 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 Illinois to Australia
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 Australia?
The month of August is, on average, the cheapest month to fly to Australia from Illinois, with most prices found around $864. If you aren’t able to travel during the month of August, then book flights to Australia from Illinois during April instead. Flights to Australia in April, while not as cheap as those in August, still average around $877.
What is the cheapest day to depart on your flight to Australia?
The cheapest day to depart from Illinois to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $935. On the other hand, Thursday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,415.
What is the cheapest time of day to depart on your flight to Australia?
Flying to Australia from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,185 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,417 on average. Flights to Australia from Illinois in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Australia?
You are more likely to see cheaper flights to Australia from Illinois when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,102 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Illinois for as low as $843 on momondo.
What is the cheapest airline that flies from Illinois to Australia?
Fiji Airways, ANA, and Qantas Airways are the most popular carriers operating from Illinois to Australia
What airlines fly to Australia?
American Airlines, Qantas Airways and United Airlines are the top three most popular airlines that fly to Australia from Illinois according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 10 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Australia
When did momondo last update prices for flights from Illinois to Australia?
Prices for flights from Illinois to Australia refresh daily.
How many operators does momondo search for flights from Illinois to Australia?
As of April 2025, there are 10 operators available to choose from for flights from Illinois to Australia.
How old do you have to be to fly from Illinois to Australia?
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 Illinois to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Australia
Compare and see reviews for airlines that fly from Illinois to Australia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $630 | Free Cancellation | Rating 7.5 819 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 8.3 844 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $852 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $953 | Free Cancellation | Rating 7.0 9,139 reviews | |||
| PriceFrom $1,164 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $1,217 | Free Cancellation | Rating 8.0 185 reviews | |||
| PriceFrom $1,256 | Free Cancellation | Rating 8.0 467 reviews | |||
| PriceFrom $1,305 | Free Cancellation | Rating 7.5 849 reviews | |||
| PriceFrom $1,421 | Free Cancellation | Rating 8.1 1,288 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Australia?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Australia for you.
Can I find flights from Illinois to Australia with flexible booking policies on momondo?
Yes. All flights to Australia from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Illinois to Australia?
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 Australia from Illinois.
I’m not ready to book a flight from Illinois to Australia right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Illinois to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.