Cheap flights from Illinois to Australia from $313
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 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Illinois to Australia that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Australia.
Cheap last minute flights
Planning a quick getaway from Illinois to Australia? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Australia, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Illinois to Australia
Find recent round-trip train or bus tickets from Illinois to Australia.
All round-trip flight deals to Australia
The cheapest plane tickets to Australia found on KAYAK recently.
Air Canada flights from Illinois to Australia
Our best Air Canada deals on Illinois to Australia flight tickets
Air Canada![Air Canada]()
May 21![Air Canada]()
May 27
STL1:30 pmLambert-St Louis
50h 50m
3 stops
SYD7:20 amSydney Kingsford Smith
SYD9:20 amSydney Kingsford Smith
44h 56m
2 stops
STL3:16 pmLambert-St Louis
Air Canada![Air Canada]()
Jan 15![Air Canada]()
Feb 4
ORD10:53 amChicago O'Hare Intl
29h 42m
2 stops
SYD9:35 amSydney Kingsford Smith
SYD11:20 amSydney Kingsford Smith
37h 45m
2 stops
ORD8:05 amChicago O'Hare Intl
Alaska Airlines flights from Illinois to Australia
Our best Alaska Airlines deals on Illinois to Australia flight tickets
Alaska Airlines![Alaska Airlines]()
Feb 2![Alaska Airlines]()
Feb 28
STL7:00 amLambert-St Louis
43h 45m
2 stops
SYD7:45 pmSydney Kingsford Smith
SYD9:40 pmSydney Kingsford Smith
33h 45m
2 stops
STL2:25 pmLambert-St Louis
See travel insights to Australia from
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
Prices
Airlines
Other information
What is the cheapest month to fly to Australia?
The month of March is, on average, the cheapest month to fly to Australia from Illinois, with most prices found around $938. If you aren’t able to travel during the month of March, then book flights to Australia from Illinois during February instead. Flights to Australia in February, while not as cheap as those in March, still average around $992.
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?
The best time to book a flight to Australia from Illinois is 37 days out, which is when prices tend to be around $1,199. Keep in mind that you might be able to find cheaper flights to Australia at any time. In fact, our users found flights for as low as $872 in the past 72 hours.
What is the cheapest airline that flies from Illinois to Australia?
ANA, Qantas Airways, and American Airlines 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 37% 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 January 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 $618 | Free Cancellation | Rating 7.5 811 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $688 | Free Cancellation | Rating 8.4 837 reviews | |||
| PriceFrom $851 | Free Cancellation | Rating 8.0 8,501 reviews | |||
| PriceFrom $916 | Free Cancellation | Rating 7.4 8,942 reviews | |||
| PriceFrom $953 | Free Cancellation | Rating 7.0 8,516 reviews | |||
| PriceFrom $1,138 | Free Cancellation | Rating 7.5 818 reviews | |||
| PriceFrom $1,181 | Free Cancellation | Rating 7.9 477 reviews | |||
| PriceFrom $1,570 | Free Cancellation | Rating 8.1 1,324 reviews | |||
| PriceFrom $1,700 | Free Cancellation | Rating 7.5 3,746 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.
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