$853 Cheap Flights from Chicago (ORD) to Perth (PER)

View $853 flight on Thu, Oct 23, 2025Opens in a new window

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

Find available prices by choosing your travel dates.

Cheap Flights from Chicago to Perth (ORD-PER)

Prices were available within the past 7 days and start at $853 for one-way flights and $1,475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, May 5 - Mon, May 19
ORD
Chicago
PER
Perth
$1,475 Roundtrip, found 1 day ago
$1,475
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, May 5 from Chicago to Perth, returning Mon, May 19, priced at $1,475 found 1 day ago
Cathay Pacific
Mon, May 5 - Thu, Oct 23
ORD
Chicago
PER
Perth
$1,476 Roundtrip, found 3 days ago
$1,476
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Mon, May 5 from Chicago to Perth, returning Thu, Oct 23, priced at $1,476 found 3 days ago
Cathay Pacific
Wed, Oct 29 - Mon, Nov 3
ORD
Chicago
PER
Perth
$1,477 Roundtrip, found 3 days ago
$1,477
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Wed, Oct 29 from Chicago to Perth, returning Mon, Nov 3, priced at $1,477 found 3 days ago
American Airlines
Sat, Sep 13 - Sat, Sep 20
ORD
Chicago
PER
Perth
$1,485 Roundtrip, found 4 days ago
$1,485
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 13 from Chicago to Perth, returning Sat, Sep 20, priced at $1,485 found 4 days ago
Cathay Pacific
Mon, May 5 - Sun, May 11
ORD
Chicago
PER
Perth
$1,490 Roundtrip, found 1 day ago
$1,490
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, May 5 from Chicago to Perth, returning Sun, May 11, priced at $1,490 found 1 day ago
Air New Zealand
Tue, Aug 19 - Sun, Aug 31
ORD
Chicago
PER
Perth
$1,603 Roundtrip, found 5 days ago
$1,603
Roundtrip
found 5 days ago
Select Air New Zealand flight, departing Tue, Aug 19 from Chicago to Perth, returning Sun, Aug 31, priced at $1,603 found 5 days ago
Singapore Airlines
Mon, Sep 8 - Tue, Sep 16
ORD
Chicago
PER
Perth
$1,623 Roundtrip, found 4 days ago
$1,623
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Mon, Sep 8 from Chicago to Perth, returning Tue, Sep 16, priced at $1,623 found 4 days ago
Etihad Airways
Mon, May 5 - Thu, May 22
ORD
Chicago
PER
Perth
$1,662 Roundtrip, found 4 days ago
$1,662
Roundtrip
found 4 days ago
Select Etihad Airways flight, departing Mon, May 5 from Chicago to Perth, returning Thu, May 22, priced at $1,662 found 4 days ago
Swiss International Air Lines
Mon, Sep 8 - Tue, Sep 16
ORD
Chicago
PER
Perth
$1,750 Roundtrip, found 4 days ago
$1,750
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Sep 8 from Chicago to Perth, returning Tue, Sep 16, priced at $1,750 found 4 days ago
Lufthansa
Wed, Oct 22 - Thu, Nov 6
ORD
Chicago
PER
Perth
$1,828 Roundtrip, found 4 days ago
$1,828
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Oct 22 from Chicago to Perth, returning Thu, Nov 6, priced at $1,828 found 4 days ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Perth Airport (PER) cost?
Discover the latest flight deals from ORD to PER by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ORD to PER?
The cheapest flights from ORD to PER are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ORD to PER?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ORD to PER. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.
*Available to One Key members.