Cheap flights from Chicago to Australia from $447
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Australia departing on 8/12. 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 Chicago 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 Chicago, with most prices found around $863. If you aren’t able to travel during the month of August, then book flights to Australia from Chicago during April instead. Flights to Australia in April, while not as cheap as those in August, still average around $867.
What is the cheapest day to depart on your flight to Australia?
The cheapest day to depart from Chicago 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 Chicago 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 Chicago 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 Chicago 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 Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,110 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Chicago for as low as $931 on momondo.
What is the cheapest airline that flies from Chicago to Australia?
Alaska Airlines, Fiji Airways, and ANA are the most popular carriers operating from Chicago 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 Chicago according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
Cheap Chicago to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Australia
When did momondo last update prices for flights from Chicago to Australia?
Prices for flights from Chicago to Australia were last updated today.
How many operators does momondo search for flights from Chicago to Australia?
The number of operators available for flights from Chicago to Australia is 9 as of July 2025.
How old do you have to be to fly from Chicago 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 Chicago to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Chicago to Australia
Compare and see reviews for airlines that fly from Chicago to Australia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $647 | Free Cancellation | Rating 7.5 872 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 8.4 893 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $772 | Free Cancellation | Rating 8.0 202 reviews | |||
| PriceFrom $852 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $953 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $1,164 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $1,330 | Free Cancellation | Rating 8.0 485 reviews | |||
| PriceFrom $1,468 | Free Cancellation | Rating 7.6 924 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Australia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Chicago.
Can I find flights from Chicago to Australia with flexible booking policies on momondo?
Flights from Chicago to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Australia?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Australia.
I’m not ready to book a flight from Chicago to Australia right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.