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Cheap flights from Chicago O'Hare Intl Airport to Perth from $718

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
31 Aug — 7 Sep1
1 adult

Cheap flight deals from O'Hare Intl to Perth

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Round-trip from

$2,065

One-way from

$718

Popular in

December

Cheapest in

August

Average price

$2,000
Qatar Airways
  • Qatar Airways
  • 14/10-27/10
  • 2 total stops
  • 57h 20m total
  • Chicago to Perth
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15/9
  • 15/9
  • 3 total stops
  • 58h 20m total
  • Chicago to Perth
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Highest demand for flights based on searches. 9% potential increase in price ($402 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($115 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from O'Hare Intl to Perth

Cheapest flights from O'Hare Intl to Perth
Explore the most affordable flight options available from O'Hare Intl to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Tue 14/1019:20ORD - PER
1 stop27h 35mQatar Airways
Mon 27/1022:45PER - ORD
1 stop29h 45mQatar Airways
Deal found 24/8$2,065
Fri 17/1017:59ORD - PER
2 stops48h 26mPhilippine Airlines
Sat 1/1108:40PER - ORD
2 stops41h 29mPhilippine Airlines
Deal found 24/8$2,091
Mon 25/818:03ORD - PER
2 stops48h 22mPhilippine Airlines
Mon 1/908:45PER - ORD
2 stops40h 45mPhilippine Airlines
Deal found 24/8$2,099
Mon 1/916:00ORD - PER
1 stop26h 45mCathay Pacific
Sun 14/900:10PER - ORD
1 stop27h 15mCathay Pacific
Deal found 25/8$2,111
Thu 16/1019:20ORD - PER
1 stop34h 20mQatar Airways
Thu 13/1122:45PER - ORD
1 stop29h 45mQatar Airways
Deal found 24/8$2,126
Mon 25/816:00ORD - PER
1 stop26h 45mCathay Pacific
Mon 1/909:15PER - ORD
1 stop42h 10mCathay Pacific
Deal found 24/8$2,131
Fri 19/919:20ORD - PER
1 stop34h 20mQatar Airways
Mon 29/922:45PER - ORD
1 stop29h 05mQatar Airways
Deal found 24/8$2,143
Mon 20/1016:00ORD - PER
1 stop26h 45mCathay Pacific
Wed 12/1108:30PER - ORD
1 stop42h 30mCathay Pacific
Deal found 24/8$2,152
Sun 12/1019:20ORD - PER
1 stop34h 20mQatar Airways
Sat 25/1022:45PER - ORD
1 stop29h 45mQatar Airways
Deal found 24/8$2,171
Sat 18/1019:20ORD - PER
1 stop34h 20mQatar Airways
Wed 12/1122:45PER - ORD
1 stop29h 45mQatar Airways
Deal found 24/8$2,186
Mon 22/919:20ORD - PER
2 stops40h 50mQatar Airways
Tue 30/922:45PER - ORD
1 stop29h 05mQatar Airways
Deal found 24/8$2,189

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Perth that are best for you.

Fly from

O'Hare Intl

Fly to

Perth

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 17/10

17:59-07:25

2 stops48h 26m

Perth

Sat 1/11

08:40-13:09

2 stops41h 29m

$2,091

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 14/10

19:20-11:55

1 stop27h 35m

Perth

Sat 25/10

22:45-15:30

1 stop29h 45m

$2,126

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 16/10

19:20-18:40

1 stop34h 20m

Perth

Fri 31/10

15:05-15:30

1 stop37h 25m

$2,126

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/10

16:00-07:45

1 stop26h 45m

Perth

Tue 4/11

08:30-13:00

1 stop42h 30m

$2,152

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/10

16:00-22:40

1 stop41h 40m

Perth

Sun 2/11

08:30-14:00

1 stop42h 30m

$2,152

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/10

16:00-07:45

1 stop26h 45m

Perth

Wed 29/10

08:30-14:00

1 stop42h 30m

$2,152

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/10

16:00-07:45

1 stop26h 45m

Perth

Sun 9/11

08:30-13:00

1 stop42h 30m

$2,152

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/10

16:00-07:45

1 stop26h 45m

Perth

Tue 11/11

00:15-13:00

1 stop26h 45m

$2,152

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/10

16:00-07:45

1 stop26h 45m

Perth

Mon 10/11

00:15-13:00

1 stop26h 45m

$2,152

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 15/9

06:30-05:50

3 stops58h 20m

$718

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 15 results
1
2

Best time to book a flight from O'Hare Intl to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Perth

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Perth?

Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $286). Flying from Chicago O'Hare Intl Airport to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Perth from Chicago O'Hare Intl?

    Perth (PER), located 10.2 km from the city centre, is the airport you fly into when you book flights from Chicago O'Hare Intl to Perth. 0 airlines have flights to Perth from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Perth should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Perth?

    For as low as $2,152, Philippine Airlines can have you in Perth from Chicago O'Hare Intl Airport in 26h 45m. There are 17617 km between Chicago O'Hare Intl Airport and Perth. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from O'Hare Intl to Perth that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Perth.

  • Can I find deals for business class flights from O'Hare Intl to Perth?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Perth?

    Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $286). Flying from Chicago O'Hare Intl Airport to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Scarborough
Fremantle
Rottnest Island

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Deals for O'Hare Intl to Perth flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Perth?

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Can Cheapflights find flights from O'Hare Intl to Perth with no change fees?

Certainly. Search results for flights to Perth from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Perth become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Perth from O'Hare Intl today and book when prices fit your budget.

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