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

Cathay Pacific and Qatar 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 October 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.

$661 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 7:20 amORD Chicago O'Hare Intl-PER Perth

42h 35m1 stop Manila Ninoy Aquino Intl

8:35 am - 4:55 pmPER Perth-ORD Chicago O'Hare Intl

22h 20m1 stop Manila Ninoy Aquino Intl

$1,187Philippine Airlines

Wed, Feb 24 - Mon, Mar 1

7:50 pm - 12:05 amORD Chicago O'Hare Intl-PER Perth

39h 15m2 stops Doha Hamad Intl Brisbane

10:45 pm - 3:05 pmPER Perth-ORD Chicago O'Hare Intl

29h 20m1 stop Doha Hamad Intl

$1,367Qatar Airways

Wed, Mar 17 - Mon, Mar 29

6:50 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

$1,373Qatar Airways

Wed, Feb 10 - Wed, Feb 17

6:50 pm - 9:10 pmORD Chicago O'Hare Intl-PER Perth

36h 20m2 stops Doha Hamad Intl Melbourne

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

29h 45m1 stop Doha Hamad Intl

$1,413Qatar Airways

Wed, Mar 10 - Wed, Mar 17

10:45 pm - 7:20 amORD Chicago O'Hare Intl-PER Perth

42h 35m1 stop Manila Ninoy Aquino Intl

8:35 am - 5:00 amPER Perth-ORD Chicago O'Hare Intl

34h 25m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,453Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

2:10 pm - 1:20 amORD Chicago O'Hare Intl-PER Perth

45h 10m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

9:20 pm - 4:55 pmPER Perth-ORD Chicago O'Hare Intl

33h 35m1 stop Manila Ninoy Aquino Intl

$1,495Multiple Airlines

Wed, Feb 10 - Tue, Feb 16

9:50 pm - 11:55 pmORD Chicago O'Hare Intl-PER Perth

36h 05m2 stops Munich Franz Josef Strauss Singapore Changi

2:40 pm - 6:25 pmPER Perth-ORD Chicago O'Hare Intl

41h 45m2 stops Bangkok Suvarnabhumi Munich Franz Josef Strauss

$1,502Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

2:10 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

$1,798Cathay Pacific

Thu, Nov 5 - Tue, Nov 10

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

$1,799Cathay Pacific

Wed, Feb 24 - Mon, Mar 1

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

$1,849Cathay Pacific

Sat, Oct 31 - Mon, Nov 16

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Philippine Airlines flights from Chicago to Perth

Our best Philippine Airlines deals on Chicago to Perth flight tickets

Philippine Airlines

Feb 24

ORD10:45 pmChicago O'Hare Intl

42h 35m

1 stop

PER7:20 amPerth

Mar 1

PER8:35 amPerth

22h 20m

1 stop

ORD4:55 pmChicago O'Hare Intl

$1,187

Philippine Airlines

Nov 9

ORD10:45 pmChicago O'Hare Intl

42h 35m

1 stop

PER7:20 amPerth

Nov 23

PER8:35 amPerth

22h 20m

1 stop

ORD4:55 pmChicago O'Hare Intl

$1,518

Qatar Airways flights from Chicago to Perth

Our best Qatar Airways deals on Chicago to Perth flight tickets

Qatar Airways

Mar 17

ORD7:50 pmChicago O'Hare Intl

39h 15m

2 stops

PER12:05 amPerth

Mar 29

PER10:45 pmPerth

29h 20m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,367

Qatar Airways

Feb 10

ORD6:50 pmChicago O'Hare Intl

33h 55m

1 stop

PER6:45 pmPerth

Feb 17

PER1:20 pmPerth

39h 10m

2 stops

ORD2:30 pmChicago O'Hare Intl

$1,373

Qatar Airways

Mar 10

ORD6:50 pmChicago O'Hare Intl

36h 20m

2 stops

PER9:10 pmPerth

Mar 17

PER10:45 pmPerth

29h 45m

1 stop

ORD3:30 pmChicago O'Hare Intl

$1,413

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/24

10:45 pm-7:20 am

1 stop42h 35m

Perth

Mon 3/1

8:35 am-4:55 pm

1 stop22h 20m

$1,187

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 3/17

7:50 pm-12:05 am

2 stops39h 15m

Perth

Mon 3/29

10:45 pm-3:05 pm

1 stop29h 20m

$1,367

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/10

6:50 pm-6:45 pm

1 stop33h 55m

Perth

Wed 2/17

1:20 pm-2:30 pm

2 stops39h 10m

$1,373

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 3/10

6:50 pm-9:10 pm

2 stops36h 20m

Perth

Wed 3/17

10:45 pm-3:30 pm

1 stop29h 45m

$1,413

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 11/9

10:45 pm-7:20 am

1 stop42h 35m

Perth

Mon 11/23

8:35 am-5:00 am

2 stops34h 25m

$1,453

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/10

2:10 pm-1:20 am

2 stops45h 10m

Perth

Tue 2/16

9:20 pm-4:55 pm

1 stop33h 35m

$1,495

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 11/9

9:50 pm-11:55 pm

2 stops36h 05m

Perth

Mon 11/23

2:40 pm-6:25 pm

2 stops41h 45m

$1,502

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Thu 11/5

2:10 pm-10:55 pm

1 stop42h 45m

Perth

Tue 11/10

12:25 am-12:30 pm

1 stop26h 05m

$1,798

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/24

2:10 pm-6:55 am

1 stop26h 45m

Perth

Mon 3/1

8:30 am-12:30 pm

1 stop42h 00m

$1,799

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

$1,849

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 41% 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	$661
Fastest flight time	26h 45m
Direct flights	None

The best one-way flight to Perth from Chicago in the past 72 hours is $661. The best round-trip flight deal from Chicago to Perth found on momondo in the last 72 hours is $1,187.

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 October 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 1,511 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,581	Free Cancellation	Rating 7.3 3,726 reviews		Search Qatar Airways flights

Fremantle

Mandurah

Rottnest Island

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.