$615 Cheap Flights from Chicago (ORD) to Perth (PER)

View $615 flight on Mon, Feb 16, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Perth Airport (PER)

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Cheap Flights from Chicago to Perth (ORD-PER)

Prices were available within the past 7 days and start at $615 for one-way flights and $1,227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, May 5 - Tue, May 19
ORD
Chicago
PER
Perth
$1,227 Roundtrip, found 3 days ago
$1,227
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, May 5 from Chicago to Perth, returning Tue, May 19, priced at $1,227 found 3 days ago
Air Canada
Tue, May 5 - Tue, May 26
ORD
Chicago
PER
Perth
$1,368 Roundtrip, found 17 hours ago
$1,368
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Tue, May 5 from Chicago to Perth, returning Tue, May 26, priced at $1,368 found 17 hours ago
United
Mon, Jan 26 - Sun, Feb 8
ORD
Chicago
PER
Perth
$1,477 Roundtrip, found 5 days ago
$1,477
Roundtrip
found 5 days ago
Select United flight, departing Mon, Jan 26 from Chicago to Perth, returning Sun, Feb 8, priced at $1,477 found 5 days ago
American Airlines
Thu, Mar 26 - Sat, Apr 4
ORD
Chicago
PER
Perth
$1,599 Roundtrip, found 2 days ago
$1,599
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Mar 26 from Chicago to Perth, returning Sat, Apr 4, priced at $1,599 found 2 days ago
JetBlue Airways
Fri, Feb 6 - Mon, Feb 23
ORD
Chicago
PER
Perth
$1,620 Roundtrip, found 5 days ago
$1,620
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Fri, Feb 6 from Chicago to Perth, returning Mon, Feb 23, priced at $1,620 found 5 days ago
Air New Zealand
Wed, Nov 26 - Sun, Dec 7
ORD
Chicago
PER
Perth
$1,665 Roundtrip, found 6 days ago
$1,665
Roundtrip
found 6 days ago
Select Air New Zealand flight, departing Wed, Nov 26 from Chicago to Perth, returning Sun, Dec 7, priced at $1,665 found 6 days ago
Qantas Airways
Tue, Nov 25 - Sat, Dec 6
ORD
Chicago
PER
Perth
$1,729 Roundtrip, found 1 day ago
$1,729
Roundtrip
found 1 day ago
Select Qantas Airways flight, departing Tue, Nov 25 from Chicago to Perth, returning Sat, Dec 6, priced at $1,729 found 1 day ago
All Nippon Airways
Mon, Dec 8 - Mon, Jan 19
ORD
Chicago
PER
Perth
$1,738 Roundtrip, found 2 days ago
$1,738
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Mon, Dec 8 from Chicago to Perth, returning Mon, Jan 19, priced at $1,738 found 2 days ago
Swiss International Air Lines
Sun, Apr 5 - Sun, Apr 26
ORD
Chicago
PER
Perth
$1,815 Roundtrip, found 1 day ago
$1,815
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Apr 5 from Chicago to Perth, returning Sun, Apr 26, priced at $1,815 found 1 day ago
Etihad Airways
Fri, Feb 6 - Sat, Feb 21
ORD
Chicago
PER
Perth
$1,829 Roundtrip, found 1 day ago
$1,829
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Fri, Feb 6 from Chicago to Perth, returning Sat, Feb 21, priced at $1,829 found 1 day ago

Find the cheapest month to fly from Chicago (ORD) to Perth (PER)

March is typically the cheapest month to fly

From $1,166 - $1,961 per traveler.

Alternative airports near Perth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Perth Airport PER. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,840
PER
Perth Airport
CheapestClosest
Average driving time to city center14 min
Flights from $1,840
Flights from Chicago (ORD) to Perth (PER)
Origin airport
O'Hare Intl.
Destination airport
Perth
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Austrian Airlines, Cathay Pacific, Emirates, Etihad Airways, JetBlue Airways, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Swiss International Air Lines, United
Roundtrip price
$1,227
Distance
10954 mi

Chicago to Perth Flights

The cheapest times to fly from Chicago to Perth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Perth are during the month of May. You can find some of the cheapest flights from Chicago to Perth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Perth

Sunday is one of the best days to book for cheap flights from Chicago to Perth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Perth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Perth in 2025. You can also book with separate airlines for your outbound and return journeys, from $615 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Perth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Perth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Perth Airport (PER) cost?
Secure a cheap one-way flight from $615 or cheap return flight from $1,227 from O'Hare Intl. Airport (ORD) to Perth Airport (PER) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Perth Airport (PER)?
The cheapest month to fly from ORD to PER is May, when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Perth Airport (PER)?
To find the cheapest airline flying from ORD to PER, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from O'Hare Intl. Airport (ORD) to Perth Airport (PER)?
You'll need to book a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Perth Airport (PER). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ORD to PER?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Perth Airport (PER)?
To avoid potential delays on the O'Hare Intl. Airport (ORD) to Perth Airport (PER) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Perth Airport (PER) last-minute?
Waiting until just before your departure to book a flight from ORD to PER often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for the best chance of scoring a bargain.
Is it cheaper to book an ORD to PER flight and hotel package?
You can save money by booking an ORD to PER flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Perth Airport (PER)?
Usually, it's possible to cancel or reschedule your ORD to PER flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.