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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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
8 Apr — 15 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Perth

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 9 March 2026.

Fri 16/1014:00
ORD
-
PER
2 stops40h 10m
Multiple Airlines
Sun 1/1120:25
PER
-
ORD
2 stops49h 30m
Multiple Airlines
Deal found 8/3$1,839
Sun 19/416:15
ORD
-
PER
2 stops44h 00m
Multiple Airlines
Sun 26/420:30
PER
-
ORD
2 stops54h 25m
Multiple Airlines
Deal found 6/3$1,902
Sat 5/921:30
ORD
-
PER
2 stops53h 30m
Air New Zealand
Sat 21/1123:50
PER
-
ORD
2 stops36h 46m
Air New Zealand
Deal found 5/3$2,103
Mon 20/422:45
ORD
-
PER
2 stops58h 30m
Air New Zealand
Mon 27/419:50
PER
-
ORD
2 stops37h 56m
Air New Zealand
Deal found 6/3$2,104
Tue 21/416:15
ORD
-
PER
2 stops40h 30m
Multiple Airlines
Tue 28/414:15
PER
-
ORD
2 stops60h 40m
Multiple Airlines
Deal found 6/3$2,143
Wed 22/412:43
ORD
-
PER
2 stops38h 17m
Air New Zealand
Wed 29/419:50
PER
-
ORD
2 stops40h 25m
Air New Zealand
Deal found 8/3$2,200
Tue 17/1115:51
ORD
-
PER
2 stops34h 59m
Air New Zealand
Sun 29/1118:50
PER
-
ORD
2 stops48h 15m
Air New Zealand
Deal found 6/3$2,204
Sun 19/407:30
ORD
-
PER
2 stops43h 30m
Air New Zealand
Sun 26/419:50
PER
-
ORD
2 stops38h 41m
Air New Zealand
Deal found 4/3$2,220
Tue 30/615:47
ORD
-
PER
2 stops41h 28m
Air New Zealand
Wed 29/700:25
PER
-
ORD
2 stops34h 15m
Air New Zealand
Deal found 4/3$2,264
Tue 17/1115:51
ORD
-
PER
2 stops34h 59m
Air New Zealand
Thu 26/1123:50
PER
-
ORD
2 stops35h 56m
Air New Zealand
Deal found 6/3$2,275
Tue 21/416:00
ORD
-
PER
2 stops35h 00m
Air New Zealand
Thu 18/619:50
PER
-
ORD
2 stops42h 25m
Air New Zealand
Deal found 6/3$2,278

Find 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 9 March 2026.

Round-trip from

$1,902

One-way from

$718

Popular in

January

Cheapest in

August

Average price

$2,524
19/4-26/4
  • 19/4-26/4
  • 4 total stops
  • 98h 25m total
  • Chicago to Perth
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 47h 30m total
  • Chicago to Perth
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($220 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 9 March 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 30/6

15:47-22:15

2 stops41h 28m

Perth

Wed 29/7

00:25-21:40

2 stops34h 15m

$2,264

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/4

13:18-14:40

2 stops36h 22m

Perth

Thu 18/6

10:35-18:02

2 stops44h 27m

$2,519

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 21/3

20:05-18:45

1 stop33h 40m

Perth

Thu 26/3

22:45-15:45

1 stop30h 00m

$2,551
Fastest return journey

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 22/4

16:15-06:50

1 stop25h 35m

Perth

Tue 28/4

00:10-13:55

1 stop26h 45m

$2,554

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 22/4

19:20-11:55

1 stop27h 35m

Perth

Wed 29/4

22:45-15:05

1 stop29h 20m

$2,554

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 18/4

16:15-06:50

1 stop25h 35m

Perth

Fri 24/4

00:10-13:55

1 stop26h 45m

$2,593

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 19/4

16:15-06:50

1 stop25h 35m

Perth

Sun 26/4

08:20-13:55

1 stop42h 35m

$2,660

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/4

16:15-06:50

1 stop25h 35m

Perth

Thu 23/4

00:10-13:55

1 stop26h 45m

$2,701

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 19/4

16:15-16:55

2 stops35h 40m

Perth

Sun 26/4

08:20-13:55

1 stop42h 35m

$2,735

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 21/4

19:20-11:55

1 stop27h 35m

Perth

Sun 26/4

15:40-15:05

1 stop36h 25m

$2,789

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 19 resultsSorted by cheapest first
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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,801). Flying from Chicago O'Hare Intl Airport to Perth in May is currently the most expensive (average of $2,613). 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 $2,551, Air New Zealand can have you in Perth from Chicago O'Hare Intl Airport in 33h 40m. 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,801). Flying from Chicago O'Hare Intl Airport to Perth in May is currently the most expensive (average of $2,613). 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
Fremantle
Rottnest Island
Mandurah

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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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