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Cheap flights from Chicago O'Hare Intl Airport to Perth from $706

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
5 Mar — 12 Mar1
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 3 February 2026.

Sun 19/416:15
ORD
-
PER
2 stops44h 00m
Multiple Airlines
Sun 21/620:30
PER
-
ORD
2 stops54h 50m
Multiple Airlines
Deal found 2/2$1,664
Mon 4/506:00
ORD
-
PER
3 stops46h 10m
Multiple Airlines
Fri 22/504:40
PER
-
ORD
3 stops39h 06m
Multiple Airlines
Deal found 3/2$2,029
Sat 25/420:10
ORD
-
PER
2 stops40h 05m
Multiple Airlines
Sun 28/620:30
PER
-
ORD
2 stops50h 10m
Multiple Airlines
Deal found 2/2$2,079
Tue 7/415:40
ORD
-
PER
2 stops35h 05m
Air Canada
Tue 14/422:40
PER
-
ORD
2 stops34h 18m
Air Canada
Deal found 2/2$2,145
Tue 16/615:40
ORD
-
PER
2 stops32h 15m
Singapore Airlines
Mon 6/722:40
PER
-
ORD
2 stops29h 01m
Singapore Airlines
Deal found 2/2$2,173
Mon 6/400:30
ORD
-
PER
3 stops35h 00m
Multiple Airlines
Mon 13/401:30
PER
-
ORD
3 stops42h 16m
Multiple Airlines
Deal found 2/2$2,203
Mon 12/1015:40
ORD
-
PER
2 stops39h 50m
Multiple Airlines
Fri 23/1022:55
PER
-
ORD
2 stops33h 58m
Multiple Airlines
Deal found 2/2$2,205
Sat 18/415:40
ORD
-
PER
2 stops40h 50m
Multiple Airlines
Sat 25/417:15
PER
-
ORD
2 stops39h 43m
Multiple Airlines
Deal found 2/2$2,206
Mon 12/1015:40
ORD
-
PER
2 stops39h 50m
Air Canada
Fri 23/1022:55
PER
-
ORD
3 stops36h 04m
Air Canada
Deal found 2/2$2,223
Tue 28/406:00
ORD
-
PER
2 stops35h 50m
Multiple Airlines
Thu 25/600:10
PER
-
ORD
1 stop27h 10m
Multiple Airlines
Deal found 2/2$2,239

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 3 February 2026.

Round-trip from

$1,664

One-way from

$706

Popular in

November

Cheapest in

August

Average price

$2,172
19/4-21/6
  • 19/4-21/6
  • 4 total stops
  • 98h 50m total
  • Chicago to Perth
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 49h 05m total
  • Chicago to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($372 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 3 February 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

O'Hare Intl

Fly to

Perth

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 4/5

06:00-17:10

3 stops46h 10m

Perth

Fri 22/5

04:40-06:46

3 stops39h 06m

$2,029

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 15/2

13:24-16:45

2 stops37h 21m

Perth

Thu 5/3

10:20-23:47

2 stops27h 27m

$2,369

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 1/4

15:40-16:00

2 stops35h 20m

Perth

Thu 9/4

00:50-13:05

3 stops49h 15m

$2,463

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 17/3

16:44-12:05

2 stops30h 21m

Perth

Wed 1/4

08:05-23:47

2 stops28h 42m

$2,465

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 15/2

18:50-12:20

1 stop27h 30m

Perth

Thu 5/3

15:55-14:30

1 stop36h 35m

$2,487

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 17/3

06:45-14:45

3 stops43h 00m

Perth

Sun 22/3

13:50-22:56

3 stops46h 06m

$2,529

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 4/5

19:20-18:35

1 stop34h 15m

Perth

Fri 22/5

22:45-15:05

1 stop29h 20m

$2,569

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 17/3

15:35-22:55

1 stop42h 20m

Perth

Sun 22/3

08:30-13:55

1 stop42h 25m

$2,574

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 28/4

16:15-06:50

1 stop25h 35m

Perth

Mon 22/6

00:10-18:44

2 stops31h 34m

$2,600

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 15/3

14:10-04:15

3 stops49h 05m

$706

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 18 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 $1,757). Flying from Chicago O'Hare Intl Airport to Perth in July is currently the most expensive (average of $2,305). 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.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Perth?

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 $2,369, Qantas Airways can have you in Perth from Chicago O'Hare Intl Airport in 37h 21m. 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, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,757). Flying from Chicago O'Hare Intl Airport to Perth in July is currently the most expensive (average of $2,305). 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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