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Cheap flights from Chicago O'Hare Intl Airport to Perth from $1,248

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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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 7 November 2025.

Sun 7/1208:49ORD - PER
2 stops42h 01mAir New Zealand
Sat 13/1223:50PER - ORD
2 stops33h 00mAir New Zealand
Deal found 6/11$2,605
Fri 14/1116:20ORD - PER
2 stops57h 05mAustrian Airlines
Mon 24/1116:35PER - ORD
2 stops59h 25mAustrian Airlines
Deal found 7/11$2,671
Sat 8/1114:35ORD - PER
1 stop42h 20mMultiple Airlines
Tue 18/1105:15PER - ORD
3 stops40h 13mMultiple Airlines
Deal found 4/11$2,719
Wed 12/1116:20ORD - PER
2 stops49h 35mAustrian Airlines
Sun 23/1116:35PER - ORD
2 stops35h 25mAustrian Airlines
Deal found 7/11$2,722
Sat 15/1116:20ORD - PER
2 stops49h 35mAustrian Airlines
Mon 24/1116:35PER - ORD
2 stops59h 25mAustrian Airlines
Deal found 7/11$2,750
Wed 12/1116:20ORD - PER
2 stops49h 35mAustrian Airlines
Mon 24/1116:35PER - ORD
2 stops59h 25mAustrian Airlines
Deal found 7/11$2,758
Fri 7/1115:00ORD - PER
2 stops50h 20mPhilippine Airlines
Thu 13/1108:40PER - ORD
2 stops36h 03mPhilippine Airlines
Deal found 5/11$2,770
Thu 13/1114:35ORD - PER
1 stop42h 20mMultiple Airlines
Thu 20/1110:10PER - ORD
3 stops35h 25mMultiple Airlines
Deal found 6/11$2,799
Thu 13/1114:35ORD - PER
1 stop26h 20mCathay Pacific
Sun 23/1108:30PER - ORD
1 stop42h 25mCathay Pacific
Deal found 7/11$2,808
Wed 12/1114:35ORD - PER
1 stop26h 20mCathay Pacific
Tue 25/1100:25PER - ORD
1 stop26h 30mCathay Pacific
Deal found 7/11$2,821
Wed 12/1114:35ORD - PER
1 stop42h 20mCathay Pacific
Wed 26/1100:25PER - ORD
1 stop26h 30mCathay Pacific
Deal found 7/11$2,832

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 7 November 2025.

Round-trip from

$1,687

One-way from

$1,248

Popular in

December

Cheapest in

August

Average price

$3,225
4/3-17/3
  • 4/3-17/3
  • 4 total stops
  • 93h 20m total
  • Chicago to Perth
Search Deals
5/1
  • 5/1
  • 3 total stops
  • 57h 51m total
  • Chicago to Perth
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($464 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 7 November 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 1/3

13:10-21:45

3 stops42h 35m

Perth

Sat 14/3

23:10-08:35

2 stops46h 25m

$1,982

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 17/3

00:30-01:25

3 stops35h 55m

Perth

Wed 15/4

18:25-19:25

3 stops38h 00m

$2,548

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 10/1

15:40-20:10

2 stops38h 30m

Perth

Sat 31/1

16:45-14:41

2 stops35h 56m

$2,565

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 18/3

15:35-22:55

1 stop42h 20m

Perth

Wed 15/4

09:15-14:25

1 stop42h 10m

$2,790

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 28/1

14:35-06:55

1 stop26h 20m

Perth

Mon 16/2

00:25-12:55

1 stop26h 30m

$2,795

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 4/3

09:59-22:55

2 stops46h 56m

Perth

Tue 17/3

00:25-13:55

1 stop26h 30m

$2,838

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 5/1

19:44-19:35

3 stops57h 51m

$1,248

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 8/1

18:50-04:05

2 stops43h 15m

$1,265

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 31/3

08:15-07:15

2 stops34h 00m

$1,276

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 4/1

14:35-03:55

2 stops47h 20m

$1,311

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 16 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 $1,816). Flying from Chicago O'Hare Intl Airport to Perth in June is currently the most expensive (average of $3,196). 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 $2,565, Air Canada can have you in Perth from Chicago O'Hare Intl Airport in 38h 30m. There are 17617 km between Chicago O'Hare Intl Airport and Perth.

  • 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 $1,816). Flying from Chicago O'Hare Intl Airport to Perth in June is currently the most expensive (average of $3,196). 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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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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