What is the cheapest airline that flies from Chicago to Perth?

Cathay Pacific and Qantas Airways are the most popular carriers operating from Chicago to Perth

When did momondo last update prices for flights from Chicago to Perth Airport?

Prices for flights from Chicago to Perth Airport refresh daily.

How many operators does momondo search for flights from Chicago to Perth Airport?

As of September 2026, there are 2 operators available to choose from for flights from Chicago to Perth Airport.

How old do you have to be to fly from Chicago to Perth Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$668 Cheap Flights from Chicago to Perth in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 5:10 pmORD Chicago O'Hare Intl-PER Perth

32h 00m2 stops Istanbul Singapore Changi

9:10 pm - 11:00 amPER Perth-ORD Chicago O'Hare Intl

50h 50m2 stops Singapore Changi Istanbul

$1,269Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

8:10 pm - 5:50 amORD Chicago O'Hare Intl-PER Perth

44h 40m3 stops Istanbul Singapore Changi Kuala Lumpur Intl

11:10 pm - 11:00 amPER Perth-ORD Chicago O'Hare Intl

48h 50m3 stops Kuala Lumpur Intl Singapore Changi Istanbul

$1,352Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

6:50 pm - 10:00 pmORD Chicago O'Hare Intl-PER Perth

37h 10m2 stops Doha Hamad Intl Melbourne

10:45 pm - 3:30 pmPER Perth-ORD Chicago O'Hare Intl

29h 45m1 stop Doha Hamad Intl

$1,417Qatar Airways

Wed, Mar 10 - Sat, Mar 20

7:50 pm - 6:45 pmORD Chicago O'Hare Intl-PER Perth

33h 55m1 stop Doha Hamad Intl

1:20 pm - 2:30 pmPER Perth-ORD Chicago O'Hare Intl

39h 10m2 stops Brisbane Doha Hamad Intl

$1,498Qatar Airways

Tue, Oct 27 - Tue, Nov 3

3:10 pm - 4:35 pmORD Chicago O'Hare Intl-PER Perth

36h 25m2 stops Hong Kong Intl Singapore Changi

9:10 pm - 12:30 pmPER Perth-ORD Chicago O'Hare Intl

29h 20m2 stops Singapore Changi Hong Kong Intl

$1,509Multiple Airlines

Fri, Oct 30 - Fri, Nov 6

3:30 pm - 8:10 pmORD Chicago O'Hare Intl-PER Perth

39h 40m2 stops Vancouver Intl Brisbane

3:15 pm - 7:05 pmPER Perth-ORD Chicago O'Hare Intl

41h 50m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,522Air Canada

Fri, Oct 30 - Fri, Nov 6

7:50 pm - 10:00 pmORD Chicago O'Hare Intl-PER Perth

37h 10m2 stops Doha Hamad Intl Melbourne

10:45 pm - 2:30 pmPER Perth-ORD Chicago O'Hare Intl

29h 45m1 stop Doha Hamad Intl

$1,583Qatar Airways

Wed, Oct 28 - Wed, Nov 4

4:15 pm - 6:50 amORD Chicago O'Hare Intl-PER Perth

25h 35m1 stop Hong Kong Intl

8:20 am - 1:55 pmPER Perth-ORD Chicago O'Hare Intl

42h 35m1 stop Hong Kong Intl

$1,805Cathay Pacific

Mon, Oct 12 - Mon, Oct 19

2:10 pm - 6:55 amORD Chicago O'Hare Intl-PER Perth

26h 45m1 stop Hong Kong Intl

8:30 am - 12:30 pmPER Perth-ORD Chicago O'Hare Intl

42h 00m1 stop Hong Kong Intl

$1,818Cathay Pacific

Sat, Nov 21 - Sun, Jan 17

3:10 pm - 10:55 pmORD Chicago O'Hare Intl-PER Perth

42h 45m1 stop Hong Kong Intl

12:25 am - 12:30 pmPER Perth-ORD Chicago O'Hare Intl

26h 05m1 stop Hong Kong Intl

$1,851Cathay Pacific

Sat, Oct 31 - Mon, Nov 16

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Air New Zealand flights from Chicago to Perth

Our best Air New Zealand deals on Chicago to Perth flight tickets

Air New Zealand

Oct 31

ORD8:45 amChicago O'Hare Intl

43h 05m

2 stops

PER4:50 pmPerth

Nov 17

PER6:50 pmPerth

39h 47m

2 stops

ORD8:37 pmChicago O'Hare Intl

$1,530

Air New Zealand

Oct 31

ORD2:00 pmChicago O'Hare Intl

37h 50m

2 stops

PER4:50 pmPerth

Nov 17

PER6:50 pmPerth

42h 09m

2 stops

ORD10:59 pmChicago O'Hare Intl

$1,531

Air New Zealand

Oct 31

ORD3:47 pmChicago O'Hare Intl

36h 03m

2 stops

PER4:50 pmPerth

Nov 17

PER6:50 pmPerth

38h 06m

2 stops

ORD6:56 pmChicago O'Hare Intl

$1,532

Qatar Airways flights from Chicago to Perth

Our best Qatar Airways deals on Chicago to Perth flight tickets

Qatar Airways

Mar 10

ORD6:50 pmChicago O'Hare Intl

37h 10m

2 stops

PER10:00 pmPerth

Mar 20

PER10:45 pmPerth

29h 45m

1 stop

ORD3:30 pmChicago O'Hare Intl

$1,417

Qatar Airways

Oct 27

ORD7:50 pmChicago O'Hare Intl

33h 55m

1 stop

PER6:45 pmPerth

Nov 3

PER1:20 pmPerth

39h 10m

2 stops

ORD2:30 pmChicago O'Hare Intl

$1,498

Qatar Airways

Oct 28

ORD7:50 pmChicago O'Hare Intl

37h 10m

2 stops

PER10:00 pmPerth

Nov 4

PER10:45 pmPerth

29h 45m

1 stop

ORD2:30 pmChicago O'Hare Intl

$1,583

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 10/21

8:10 pm-5:10 pm

2 stops32h 00m

Perth

Wed 10/28

9:10 pm-11:00 am

2 stops50h 50m

$1,269

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 10/21

8:10 pm-5:50 am

3 stops44h 40m

Perth

Wed 10/28

11:10 pm-11:00 am

3 stops48h 50m

$1,352

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 3/10

6:50 pm-10:00 pm

2 stops37h 10m

Perth

Sat 3/20

10:45 pm-3:30 pm

1 stop29h 45m

$1,417

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/27

7:50 pm-6:45 pm

1 stop33h 55m

Perth

Tue 11/3

1:20 pm-2:30 pm

2 stops39h 10m

$1,498

Quickest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Fri 10/30

3:10 pm-4:35 pm

2 stops36h 25m

Perth

Fri 11/6

9:10 pm-12:30 pm

2 stops29h 20m

$1,509

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Fri 10/30

3:30 pm-8:10 pm

2 stops39h 40m

Perth

Fri 11/6

3:15 pm-7:05 pm

3 stops41h 50m

$1,522

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 10/28

7:50 pm-10:00 pm

2 stops37h 10m

Perth

Wed 11/4

10:45 pm-2:30 pm

1 stop29h 45m

$1,583

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 10/12

4:15 pm-6:50 am

1 stop25h 35m

Perth

Mon 10/19

8:20 am-1:55 pm

1 stop42h 35m

$1,805

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sat 11/21

2:10 pm-6:55 am

1 stop26h 45m

Perth

Sun 1/17

8:30 am-12:30 pm

1 stop42h 00m

$1,818

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sat 10/31

3:10 pm-10:55 pm

1 stop42h 45m

Perth

Mon 11/16

12:25 am-12:30 pm

1 stop26h 05m

$1,851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Perth?

In general, May is the cheapest month to fly from Chicago to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Perth during the month of May, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Chicago to Perth flights?

You could potentially save up to 35% on your flight if you consider stops on a Chicago to Perth flight.

When to book flights from Chicago to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Perth (CHI to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Perth

Best Price Found	$668
Fastest flight time	26h 45m
Direct flights	None

The best one-way flight to Perth from Chicago in the past 72 hours is $668. The best round-trip flight deal from Chicago to Perth found on momondo in the last 72 hours is $1,269.

The fastest flight from Chicago to Perth takes 26h 45m

There are no direct flights from Chicago to Perth. There are no popular flight routes from Chicago to Perth.

Search flight deals

Frequently asked questions about flying from Chicago to Perth

How far is Chicago to Perth by plane?
A flight from Chicago to Perth will travel around 10968.5 mi. 26h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Perth Airport?
Prices for flights from Chicago to Perth Airport refresh daily.
How many operators does momondo search for flights from Chicago to Perth Airport?
As of September 2026, there are 2 operators available to choose from for flights from Chicago to Perth Airport.
How old do you have to be to fly from Chicago to Perth Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Perth

Compare and see reviews for airlines that fly from Chicago to Perth with momondo

Airline	Rating	Free Cancellation	Price
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,486 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,629	Free Cancellation	Rating 7.4 3,732 reviews		Search Qatar Airways flights

Rottnest Island

Fremantle

Mandurah

Scarborough

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Perth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Perth from Chicago.

Can I find flights from Chicago to Perth with flexible booking policies on momondo?

Flights from Chicago to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Perth?

Once you have performed a search for Chicago to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Perth right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Perth now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Perth and let you know when they change.