Cheap flights from Chicago O'Hare Intl Airport to Australia from $419
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 O'Hare Intl Airport to Australia departing on 4/8. 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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One-way
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago O'Hare Intl Airport to Australia.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago O'Hare Intl Airport to Australia.
Cheap last minute flights
Planning a quick getaway from Chicago O'Hare Intl Airport to Australia? These are the last-minute flight deals available now.
Air Canada flights from Chicago O'Hare Intl Airport to Australia
Our best Air Canada deals on Chicago O'Hare Intl Airport to Australia flight tickets
Air Canada![Air Canada]()
Jun 10![Air Canada]()
Jun 17
ORD8:45 amChicago O'Hare Intl
31h 35m
2 stops
SYD7:20 amSydney Kingsford Smith
SYD9:20 amSydney Kingsford Smith
37h 39m
2 stops
ORD7:59 amChicago O'Hare Intl
Air Canada![Air Canada]()
Aug 19![Air Canada]()
Aug 27
ORD8:48 amChicago O'Hare Intl
31h 32m
2 stops
SYD7:20 amSydney Kingsford Smith
SYD9:20 amSydney Kingsford Smith
37h 39m
2 stops
ORD7:59 amChicago O'Hare Intl
Fiji Airways flights from Chicago O'Hare Intl Airport to Australia
Our best Fiji Airways deals on Chicago O'Hare Intl Airport to Australia flight tickets
Fiji Airways![Fiji Airways]()
May 10![Fiji Airways]()
May 24
ORD6:45 pmChicago O'Hare Intl
26h 00m
2 stops
SYD11:45 amSydney Kingsford Smith
SYD1:45 pmSydney Kingsford Smith
21h 39m
2 stops
ORD8:24 pmChicago O'Hare Intl
Fiji Airways![Fiji Airways]()
Apr 29![Fiji Airways]()
May 6
ORD6:45 pmChicago O'Hare Intl
36h 25m
2 stops
SYD10:10 pmSydney Kingsford Smith
SYD6:15 amSydney Kingsford Smith
29h 09m
2 stops
ORD8:24 pmChicago O'Hare Intl
See travel insights to Australia from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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
What is the cheapest month to fly to Australia?
The month of March is, on average, the cheapest month to fly to Australia from Chicago O'Hare Intl Airport, with most prices found around $857. If you aren’t able to travel during the month of March, then book flights to Australia from Chicago O'Hare Intl Airport during May instead. Flights to Australia in May, while not as cheap as those in March, still average around $885.
What is the cheapest day to depart on your flight to Australia?
The cheapest day to depart from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,120 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Chicago O'Hare Intl Airport for as low as $843 on momondo.
What is the cheapest airline that flies from Chicago O'Hare Intl to Australia?
Fiji Airways, ANA, and Alaska Airlines are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport 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 9 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
Cheap Chicago O'Hare Intl Airport to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Australia
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Australia?
Prices for flights from Chicago O'Hare Intl Airport to Australia were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Australia?
There are 9 operators available for flights from Chicago O'Hare Intl Airport to Australia as of April 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Chicago O'Hare Intl Airport to Australia
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Australia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $647 | Free Cancellation | Rating 7.5 813 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 8.3 830 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $852 | Free Cancellation | Rating 8.0 7,899 reviews | |||
| PriceFrom $953 | Free Cancellation | Rating 7.0 9,013 reviews | |||
| PriceFrom $1,138 | Free Cancellation | Rating 7.5 841 reviews | |||
| PriceFrom $1,164 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $1,179 | Free Cancellation | Rating 7.9 458 reviews | |||
| PriceFrom $1,421 | Free Cancellation | Rating 8.1 1,286 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Australia?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Australia. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Chicago to Australia with flexible booking policies on momondo?
momondo does allow users to show only those flights to Australia from Chicago which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Chicago to Australia?
Once all potential Chicago to Australia 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 Chicago to Australia right now. Can momondo alert me if prices change?
Price alerts on flights to Australia from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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