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

Cathay Pacific is the most popular carrier 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 August 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.

$605 Cheap Flights from Chicago to Perth in 2026

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

38h 45m2 stops Istanbul Singapore Changi

1:10 am - 9:40 amPER Perth-ORD Chicago O'Hare Intl

45h 30m2 stops Singapore Changi Istanbul

$1,407Multiple Airlines

Sun, Oct 18 - Thu, Oct 22

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

37h 50m2 stops Doha Hamad Intl Melbourne

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

29h 20m1 stop Doha Hamad Intl

$1,424Qatar Airways

Mon, Oct 12 - Wed, Oct 21

7:20 pm - 11:10 pmORD Chicago O'Hare Intl-PER Perth

38h 50m2 stops Doha Hamad Intl Melbourne

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

29h 20m1 stop Doha Hamad Intl

$1,469Qatar Airways

Sat, Sep 5 - Sat, Sep 12

9:00 pm - 7:20 amORD Chicago O'Hare Intl-PER Perth

68h 20m2 stops Los Angeles Manila Ninoy Aquino Intl

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

22h 20m1 stop Manila Ninoy Aquino Intl

$1,474Multiple Airlines

Sun, Nov 1 - Mon, Nov 16

2:00 pm - 5:50 amORD Chicago O'Hare Intl-PER Perth

50h 50m3 stops Abu Dhabi Zayed Intl Singapore Changi Kuala Lumpur Intl

12:45 am - 8:35 amPER Perth-ORD Chicago O'Hare Intl

44h 50m3 stops Kuala Lumpur Intl Singapore Changi Abu Dhabi Zayed Intl

$1,489Multiple Airlines

Sun, Oct 18 - Thu, Oct 22

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

37h 50m2 stops Doha Hamad Intl Melbourne

10:45 pm - 11:59 pmPER Perth-ORD Chicago O'Hare Intl

38h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,495Qatar Airways

Mon, Oct 12 - Wed, Oct 21

2:10 pm - 4:50 pmORD Chicago O'Hare Intl-PER Perth

36h 40m2 stops Los Angeles Auckland Intl

6:50 pm - 8:22 pmPER Perth-ORD Chicago O'Hare Intl

39h 32m2 stops Auckland Intl Los Angeles

$1,520Air New Zealand

Wed, Feb 3 - Wed, Feb 24

4:00 pm - 6:50 amORD Chicago O'Hare Intl-PER Perth

25h 50m1 stop Hong Kong Intl

12:10 am - 1:55 pmPER Perth-ORD Chicago O'Hare Intl

26h 45m1 stop Hong Kong Intl

$1,728Cathay Pacific

Tue, Sep 15 - Mon, Sep 21

2:35 pm - 6:55 amORD Chicago O'Hare Intl-PER Perth

26h 20m1 stop Hong Kong Intl

8:30 am - 12:55 pmPER Perth-ORD Chicago O'Hare Intl

42h 25m1 stop Hong Kong Intl

$1,761Cathay Pacific

Wed, Feb 3 - Wed, Feb 24

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

$1,766Cathay Pacific

Thu, Oct 1 - Thu, Oct 8

Cheap last minute flights

Enter your travel dates to find the best prices.

7:20 pm - 11:10 pmORD Chicago O'Hare Intl-PER Perth

38h 50m2 stops Doha Hamad Intl Melbourne

10:45 pm - 9:46 pmPER Perth-ORD Chicago O'Hare Intl

36h 01m2 stops Doha Hamad Intl Houston George Bush Intcntl

$1,621Qatar Airways

Tue, Aug 25 - Tue, Sep 1

4:00 pm - 10:40 pmORD Chicago O'Hare Intl-PER Perth

41h 40m1 stop Hong Kong Intl

12:10 am - 2:20 pmPER Perth-ORD Chicago O'Hare Intl

27h 10m1 stop Hong Kong Intl

$1,798Cathay Pacific

Tue, Aug 25 - Mon, Aug 31

7:20 pm - 9:10 pmORD Chicago O'Hare Intl-PER Perth

36h 50m2 stops Doha Hamad Intl Melbourne

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

29h 20m1 stop Doha Hamad Intl

$2,003Qatar Airways

Tue, Aug 25 - Tue, Sep 1

12:30 am - 10:30 pmORD Chicago O'Hare Intl-PER Perth

33h 00m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City

12:30 pm - 7:45 amPER Perth-ORD Chicago O'Hare Intl

32h 15m2 stops Singapore Changi Tokyo Haneda

$2,111Multiple Airlines

Sat, Aug 22 - Tue, Aug 25

4:00 pm - 6:50 amORD Chicago O'Hare Intl-PER Perth

25h 50m1 stop Hong Kong Intl

12:30 pm - 7:45 amPER Perth-ORD Chicago O'Hare Intl

32h 15m2 stops Singapore Changi Tokyo Haneda

$2,162Multiple Airlines

Sun, Aug 23 - Tue, Aug 25

8:40 am - 6:50 amORD Chicago O'Hare Intl-PER Perth

33h 10m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Hong Kong Intl

12:30 pm - 10:45 amPER Perth-ORD Chicago O'Hare Intl

35h 15m2 stops Singapore Changi Tokyo Haneda

$2,187Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

8:40 am - 6:50 amORD Chicago O'Hare Intl-PER Perth

33h 10m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Hong Kong Intl

12:30 pm - 7:45 amPER Perth-ORD Chicago O'Hare Intl

32h 15m2 stops Singapore Changi Tokyo Haneda

$2,194Multiple Airlines

Sun, Aug 23 - Tue, Aug 25

7:11 am - 6:50 amORD Chicago O'Hare Intl-PER Perth

34h 39m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Hong Kong Intl

11:20 pm - 8:45 pmPER Perth-ORD Chicago O'Hare Intl

34h 25m3 stops Singapore Changi Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$2,320Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

7:20 pm - 6:35 pmORD Chicago O'Hare Intl-PER Perth

34h 15m1 stop Doha Hamad Intl

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

29h 20m1 stop Doha Hamad Intl

$2,521Qatar Airways

Sun, Aug 23 - Tue, Aug 25

7:11 am - 6:50 amORD Chicago O'Hare Intl-PER Perth

34h 39m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Hong Kong Intl

11:40 am - 7:45 amPER Perth-ORD Chicago O'Hare Intl

33h 05m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Tokyo Narita

$2,726Multiple Airlines

Sun, Aug 23 - Tue, Aug 25

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Qatar Airways flights from Chicago to Perth

Our best Qatar Airways deals on Chicago to Perth flight tickets

Qatar Airways

Oct 12

ORD7:20 pmChicago O'Hare Intl

37h 50m

2 stops

PER10:10 pmPerth

Oct 21

PER10:45 pmPerth

29h 20m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,424

Qatar Airways

Sep 5

ORD7:20 pmChicago O'Hare Intl

38h 50m

2 stops

PER11:10 pmPerth

Sep 12

PER10:45 pmPerth

29h 20m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,469

Qatar Airways

Oct 12

ORD7:20 pmChicago O'Hare Intl

37h 50m

2 stops

PER10:10 pmPerth

Oct 21

PER10:45 pmPerth

38h 14m

2 stops

ORD11:59 pmChicago O'Hare Intl

$1,495

Cathay Pacific flights from Chicago to Perth

Our best Cathay Pacific deals on Chicago to Perth flight tickets

Cathay Pacific

Sep 15

ORD4:00 pmChicago O'Hare Intl

25h 50m

1 stop

PER6:50 amPerth

Sep 21

PER12:10 amPerth

26h 45m

1 stop

ORD1:55 pmChicago O'Hare Intl

$1,728

Cathay Pacific

Feb 3

ORD2:35 pmChicago O'Hare Intl

26h 20m

1 stop

PER6:55 amPerth

Feb 24

PER8:30 amPerth

42h 25m

1 stop

ORD12:55 pmChicago O'Hare Intl

$1,761

Cathay Pacific

Oct 1

ORD4:15 pmChicago O'Hare Intl

25h 35m

1 stop

PER6:50 amPerth

Oct 8

PER8:20 amPerth

42h 35m

1 stop

ORD1:55 pmChicago O'Hare Intl

$1,766

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 10/18

8:10 pm-11:55 pm

2 stops38h 45m

Perth

Thu 10/22

1:10 am-9:40 am

2 stops45h 30m

$1,407

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 10/12

7:20 pm-10:10 pm

2 stops37h 50m

Perth

Wed 10/21

10:45 pm-3:05 pm

1 stop29h 20m

$1,424

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sat 9/5

7:20 pm-11:10 pm

2 stops38h 50m

Perth

Sat 9/12

10:45 pm-3:05 pm

1 stop29h 20m

$1,469

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 11/1

9:00 pm-7:20 am

2 stops68h 20m

Perth

Mon 11/16

8:35 am-4:55 pm

1 stop22h 20m

$1,474

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 10/18

2:00 pm-5:50 am

3 stops50h 50m

Perth

Thu 10/22

12:45 am-8:35 am

3 stops44h 50m

$1,489

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 10/12

7:20 pm-10:10 pm

2 stops37h 50m

Perth

Wed 10/21

10:45 pm-11:59 pm

2 stops38h 14m

$1,495

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/3

2:10 pm-4:50 pm

2 stops36h 40m

Perth

Wed 2/24

6:50 pm-8:22 pm

2 stops39h 32m

$1,520

Quickest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 9/15

4:00 pm-6:50 am

1 stop25h 50m

Perth

Mon 9/21

12:10 am-1:55 pm

1 stop26h 45m

$1,728

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/3

2:35 pm-6:55 am

1 stop26h 20m

Perth

Wed 2/24

8:30 am-12:55 pm

1 stop42h 25m

$1,761

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Thu 10/1

4:15 pm-6:50 am

1 stop25h 35m

Perth

Thu 10/8

8:20 am-1:55 pm

1 stop42h 35m

$1,766

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 45% 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	$605
Fastest flight time	26h 20m
Direct flights	None

The best one-way flight to Perth from Chicago in the past 72 hours is $605. The best round-trip flight deal from Chicago to Perth found on momondo in the last 72 hours is $1,407.

The fastest flight from Chicago to Perth takes 26h 20m

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 20m 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 August 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 1,455 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,629	Free Cancellation	Rating 7.4 3,736 reviews		Search Qatar Airways flights

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Fremantle

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Scarborough

Waikiki

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.