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

View AU$1,552 flight on Tue, 6 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 2 Sept - Thu, 19 Nov
ORD
Chicago
PER
Perth
AU$2,261 Return, found 6 days ago
AU$2,261
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 2 Sept from Chicago to Perth, returning Thu, 19 Nov, priced at AU$2,261 found 6 days ago
Alaska Airlines
Wed, 2 Sept - Thu, 19 Nov
ORD
Chicago
PER
Perth
AU$2,330 Return, found 6 days ago
AU$2,330
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 2 Sept from Chicago to Perth, returning Thu, 19 Nov, priced at AU$2,330 found 6 days ago
Qantas Airways
Wed, 29 July - Sun, 16 Aug
ORD
Chicago
PER
Perth
AU$2,375 Return, found 5 days ago
AU$2,375
Return
found 5 days ago
Select Qantas Airways flight, departing Wed, 29 July from Chicago to Perth, returning Sun, 16 Aug, priced at AU$2,375 found 5 days ago
Qantas Airways
Mon, 4 May - Mon, 11 May
ORD
Chicago
PER
Perth
AU$2,390 Return, found 5 days ago
AU$2,390
Return
found 5 days ago
Select Qantas Airways flight, departing Mon, 4 May from Chicago to Perth, returning Mon, 11 May, priced at AU$2,390 found 5 days ago
Qantas Airways
Mon, 4 May - Mon, 11 May
ORD
Chicago
PER
Perth
AU$2,400 Return, found 5 days ago
AU$2,400
Return
found 5 days ago
Select Qantas Airways flight, departing Mon, 4 May from Chicago to Perth, returning Mon, 11 May, priced at AU$2,400 found 5 days ago
Alaska Airlines
Wed, 2 Sept - Thu, 19 Nov
ORD
Chicago
PER
Perth
AU$2,402 Return, found 6 days ago
AU$2,402
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 2 Sept from Chicago to Perth, returning Thu, 19 Nov, priced at AU$2,402 found 6 days ago
United
Tue, 19 May - Sun, 31 May
ORD
Chicago
PER
Perth
AU$2,509 Return, found 6 days ago
AU$2,509
Return
found 6 days ago
Select United flight, departing Tue, 19 May from Chicago to Perth, returning Sun, 31 May, priced at AU$2,509 found 6 days ago
Singapore Airlines
Tue, 8 Sept - Fri, 11 Sept
ORD
Chicago
PER
Perth
AU$3,102 Return, found 6 days ago
AU$3,102
Return
found 6 days ago
Select Singapore Airlines flight, departing Tue, 8 Sept from Chicago to Perth, returning Fri, 11 Sept, priced at AU$3,102 found 6 days ago
Cathay Pacific
Wed, 2 Sept - Thu, 19 Nov
ORD
Chicago
PER
Perth
AU$3,282 Return, found 6 days ago
AU$3,282
Return
found 6 days ago
Select Cathay Pacific flight, departing Wed, 2 Sept from Chicago to Perth, returning Thu, 19 Nov, priced at AU$3,282 found 6 days ago
Air Canada
Tue, 8 Sept - Fri, 11 Sept
ORD
Chicago
PER
Perth
AU$3,321 Return, found 6 days ago
AU$3,321
Return
found 6 days ago
Select Air Canada flight, departing Tue, 8 Sept from Chicago to Perth, returning Fri, 11 Sept, priced at AU$3,321 found 6 days ago

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 centre is 14 minutes. Flights from AU$2,519
PER
Perth Airport
CheapestClosest
Average driving time to city centre14 min
Flights from AU$2,519

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Perth Airport?
If you're planning on travelling between O'Hare Airport and Perth Airport, round-trip flights start from AU$2,261. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ORD to Perth Airport (PER)?
Each airline has different terms and conditions. If you decide to cancel your holiday, visit our Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (ORD) to Perth Airport (PER) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Intl. Airport (ORD) to Perth Airport (PER) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to Perth Airport?
The distance is around 17 600 kilometres. Neck pillow? Check. Warm clothes? Double check. We suggest you pack all the travel comforts for this long-haul Chicago to Perth flight.
Which airlines fly direct from ORD to Perth Airport (PER)?
There are no direct flights, so you'll have to make at least one stop between O'Hare Airport and PER. Take advantage of the layover time to stretch your legs and freshen up.
Are ORD to Perth Airport (PER) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some super cheap fares from O'Hare Intl. Airport (ORD) to Perth Airport emerging a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices so far in advance.

Frequently asked questions

How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
There are approximately 41 connecting flights per day from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Perth, WA (PER) (PER). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Abu Dhabi Intl. (AUH).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ORD to PER. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) on a Tuesday, with around 45 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Alaska Airlines. Flight schedules are consistent throughout the week, so you'll find a good selection of flights on most days.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) are in the afternoon, from 3pm to 6pm. Around 32% of passengers reckon this time window's best. Heaps of major carriers, including American Airlines, Qantas Airways and Cathay Pacific, offer flights during this window. This timing works well because it allows you to have a productive morning before heading to the airport, and you'll arrive in Perth at a reasonable local time.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
Select the "Business class" and "First class" filters when looking for ORD to PER flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Perth, WA (PER) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Perth
Return price
AU$2,261
Distance
17526 km

Book with confidence

Your quick guide to flights from Chicago to Perth

Pick up great flights from Chicago to Perth

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Chicago to Perth. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Chicago to Perth that take around hours.

Find cheap flights from Chicago to Perth

From the great flight deals with prices currently ranging from AU$2,261 to AU$3,321, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Chicago to Perth around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Perth is normally in September.

Reasons to book your flight from Chicago to Perth with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Chicago to Perth across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Perth right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Chicago to Perth

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