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Cheap flights from Chicago to Perth from $816

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PER
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Perth
Explore the most affordable flight options available from Chicago to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 February 2026.

Mon 31/815:40
ORD
-
PER
2 stops38h 05m
Multiple Airlines
Mon 7/922:40
PER
-
ORD
2 stops29h 08m
Multiple Airlines
Deal found 4/2$2,025
Sun 11/1015:40
ORD
-
PER
2 stops34h 05m
Multiple Airlines
Sat 17/1023:05
PER
-
ORD
2 stops28h 43m
Multiple Airlines
Deal found 8/2$2,045
Mon 20/415:40
ORD
-
PER
2 stops40h 50m
Air Canada
Mon 11/522:40
PER
-
ORD
2 stops34h 18m
Air Canada
Deal found 7/2$2,048
Sun 8/315:35
ORD
-
PER
2 stops34h 55m
Air Canada
Sat 14/316:45
PER
-
ORD
2 stops34h 56m
Air Canada
Deal found 8/2$2,056
Sat 10/1014:15
ORD
-
PER
3 stops35h 30m
Multiple Airlines
Sun 1/1122:30
PER
-
ORD
2 stops30h 11m
Multiple Airlines
Deal found 7/2$2,114
Mon 12/1015:40
ORD
-
PER
2 stops39h 50m
Air Canada
Fri 23/1022:55
PER
-
ORD
2 stops28h 53m
Air Canada
Deal found 8/2$2,206

Find flight deals from Chicago to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 8 February 2026.

Round-trip from

$2,048

One-way from

$816

Popular in

September

Cheapest in

March

Average price

$2,254
Air Canada
  • Air Canada
  • 20/4-11/5
  • 4 total stops
  • 75h 08m total
  • Chicago to Perth
Search Deals
22/3
  • 22/3
  • 2 total stops
  • 54h 15m total
  • Chicago to Perth
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($507 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($164 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 Chicago 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 8 February 2026.
Use the filters below to find and compare flights from Chicago to Perth that are best for you.

Fly from

Chicago

Fly to

Perth

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/4

15:40-21:30

2 stops40h 50m

Perth

Mon 11/5

22:40-19:58

2 stops34h 18m

$2,048

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 18/4

15:40-23:55

2 stops43h 15m

Perth

Sat 25/4

23:30-19:58

2 stops33h 28m

$2,217

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 24/3

12:20-22:55

2 stops45h 35m

Perth

Mon 30/3

00:10-13:55

1 stop26h 45m

$2,280

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 18/4

15:40-17:00

2 stops36h 20m

Perth

Sat 25/4

17:15-14:43

2 stops34h 28m

$2,330

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 3/4

15:40-14:40

2 stops34h 00m

Perth

Sat 11/4

16:25-14:43

2 stops35h 18m

$2,360

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 23/3

16:49-12:25

2 stops30h 36m

Perth

Mon 30/3

23:45-18:40

2 stops31h 55m

$2,377

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 20/4

16:15-06:50

1 stop25h 35m

Perth

Sun 10/5

00:10-19:52

2 stops32h 42m

$2,382

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 24/3

21:30-07:20

2 stops44h 50m

Perth

Tue 31/3

08:35-05:25

2 stops33h 50m

$2,411

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 22/3

15:35-10:50

2 stops54h 15m

$816

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 31/7

13:10-08:55

3 stops54h 45m

$834

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Chicago to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Chicago 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 to Perth

What is the cheapest month to book a flight from Chicago to Perth?

Currently, May is the cheapest month in which you can book a flight from Chicago to Perth (average of $1,754). Flying from Chicago to Perth in July is currently the most expensive (average of $2,301). 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.

What’s the top stopover airport for flights from Chicago to Perth?

Share of one-stop return flights from Chicago to Perth chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Hong Kong (HKG) – chosen by Cheapflights users on 67% of one-stop itineraries from Chicago to Perth on Cheapflights.

What’s the cheapest stopover airport for flights from Chicago to Perth?

Average return fare for one-stop flights from Chicago to Perth, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Doha (DOH) is the most affordable one-stop option, with an average return flight price of $1,990.

What’s the fastest stopover option from Chicago to Perth?

Shortest average travel time for one-stop one-way flights from Chicago to Perth, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 26h 20m.

Which airport typically offers the quickest stopover for flights from Chicago to Perth?

Average stopover duration for one-stop one-way flights from Chicago to Perth, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 3h 35m.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    For a flight from Chicago to Perth, you will be flying into Perth. Perth (PER) is just 10.2 km from the centre vof the city. Perth is the only Perth airport and it handles 0 inbound flights from Chicago per day. 0 airlines have flights to Perth from Chicago on a regular basis.

  • How long is the flight from Chicago to Perth?

    Departing from Chicago to Perth will take you 40h 50m. Chicago and Perth are separated by a distance of 17617 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Chicago to Perth that include hotel bookings?

    Yes. In addition to deals on Chicago to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Perth?

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

  • Can I find deals for business class flights from Chicago to Perth?

    Yes. Cheapflights offers flight deals from Chicago 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 to Perth?

    Currently, May is the cheapest month in which you can book a flight from Chicago to Perth (average of $1,754). Flying from Chicago to Perth in July is currently the most expensive (average of $2,301). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Perth

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Perth flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Perth?

Cheapflights helps you search for flights from Chicago to Perth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Perth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Perth.

Can Cheapflights find flights from Chicago to Perth with no change fees?

Certainly. Search results for flights to Perth from Chicago 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 Chicago to Perth become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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