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Cheap flights from Chicago O'Hare Intl Airport to Perth from $841

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 24 October 2025.

Thu 30/1018:03ORD - PER
2 stops29h 22mQantas Airways
Thu 6/1115:20PER - ORD
2 stops46h 39mQantas Airways
Deal found 22/10$2,048
Sun 30/1115:43ORD - PER
2 stops29h 37mUnited Airlines
Wed 10/1223:45PER - ORD
2 stops34h 40mUnited Airlines
Deal found 23/10$2,284
Sun 30/1118:23ORD - PER
2 stops28h 02mQantas Airways
Wed 10/1205:00PER - ORD
2 stops30h 25mQantas Airways
Deal found 23/10$2,309
Sun 30/1116:25ORD - PER
1 stop37h 45mMultiple Airlines
Wed 10/1218:05PER - ORD
2 stops63h 30mMultiple Airlines
Deal found 23/10$2,523
Wed 29/1000:30ORD - PER
2 stops30h 25mMultiple Airlines
Thu 6/1123:10PER - ORD
2 stops34h 25mMultiple Airlines
Deal found 22/10$2,586
Sun 30/1110:30ORD - PER
1 stop43h 40mANA
Wed 10/1221:55PER - ORD
2 stops34h 55mANA
Deal found 23/10$2,649
Thu 30/1015:35ORD - PER
1 stop42h 20mCathay Pacific
Wed 5/1100:25PER - ORD
1 stop26h 30mCathay Pacific
Deal found 22/10$2,792
Fri 12/1213:10ORD - PER
2 stops37h 35mMultiple Airlines
Thu 15/117:45PER - ORD
2 stops34h 56mMultiple Airlines
Deal found 21/10$2,846
Sat 27/1216:46ORD - PER
2 stops33h 59mQantas Airways
Sun 11/111:35PER - ORD
2 stops38h 50mQantas Airways
Deal found 23/10$2,847

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 24 October 2025.

Round-trip from

$1,906

One-way from

$841

Popular in

December

Cheapest in

August

Average price

$2,495
Qantas Airways
  • Qantas Airways
  • 28/1-17/2
  • 4 total stops
  • 67h 05m total
  • Chicago to Perth
Search Deals
7/12
  • 7/12
  • 3 total stops
  • 56h 49m total
  • Chicago to Perth
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($465 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($109 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 24 October 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

Sun 19/4

17:30-13:35

2 stops31h 05m

Perth

Tue 21/4

23:55-19:27

2 stops32h 32m

$2,023

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 11/2

18:06-23:55

2 stops39h 49m

Perth

Mon 16/2

01:15-23:59

2 stops36h 44m

$2,025

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 1/3

12:46-14:45

2 stops35h 59m

Perth

Sat 7/3

07:20-00:59

2 stops31h 39m

$2,277

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 1/3

07:00-14:45

3 stops41h 45m

Perth

Fri 6/3

01:15-23:59

2 stops36h 44m

$2,323

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 5/3

07:00-14:45

3 stops41h 45m

Perth

Sat 14/3

17:05-21:33

3 stops41h 28m

$2,557

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 14/3

17:10-12:25

2 stops30h 15m

Perth

Fri 20/3

00:25-14:45

2 stops27h 20m

$2,650

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 28/1

14:35-22:55

1 stop42h 20m

Perth

Tue 17/2

08:30-12:55

1 stop42h 25m

$2,792

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 11/2

14:35-06:55

1 stop26h 20m

Perth

Tue 17/2

08:30-12:55

1 stop42h 25m

$2,792

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 13/3

07:00-14:45

3 stops42h 45m

Perth

Fri 20/3

01:15-17:53

2 stops29h 38m

$2,832

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 28/1

11:45-22:55

2 stops45h 10m

Perth

Mon 16/2

00:25-12:55

1 stop26h 30m

$2,835

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 19 results
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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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,814). Flying from Chicago O'Hare Intl Airport to Perth in June is currently the most expensive (average of $3,193). 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 $2,023, Qantas Airways can have you in Perth from Chicago O'Hare Intl Airport in 31h 05m. 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,814). Flying from Chicago O'Hare Intl Airport to Perth in June is currently the most expensive (average of $3,193). 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
Scarborough
Mandurah
Fremantle
Rottnest Island

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How does Cheapflights help users find flights from O'Hare Intl to Perth?

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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Perth for you. Better yet — we are completely free to use.

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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