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.

$632 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.

7:20 pm - 11:55 pmORD Chicago O'Hare Intl-PER Perth

39h 35m2 stops Doha Hamad Intl Brisbane

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

29h 45m1 stop Doha Hamad Intl

$1,373Qatar Airways

Tue, Oct 20 - Mon, Nov 2

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

34h 15m1 stop Doha Hamad Intl

3:30 pm - 3:05 pmPER Perth-ORD Chicago O'Hare Intl

36h 35m2 stops Melbourne Doha Hamad Intl

$1,433Qatar Airways

Tue, Sep 29 - Tue, Oct 6

7:20 pm - 11:55 pmORD Chicago O'Hare Intl-PER Perth

39h 35m2 stops Doha Hamad Intl Brisbane

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

39h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,444Qatar Airways

Tue, Oct 20 - Mon, Nov 2

7:15 am - 4:50 pmORD Chicago O'Hare Intl-PER Perth

43h 35m2 stops Los Angeles Los Angeles Auckland Intl

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

39h 32m2 stops Auckland Intl Los Angeles Los Angeles

$1,521Air New Zealand

Wed, Feb 3 - Wed, Feb 24

8:10 pm - 4:20 amORD Chicago O'Hare Intl-PER Perth

43h 10m2 stops Istanbul Singapore Changi

6:25 pm - 9:40 amPER Perth-ORD Chicago O'Hare Intl

52h 15m2 stops Singapore Changi Istanbul

$1,523Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

8:50 am - 9:15 pmORD Chicago O'Hare Intl-PER Perth

47h 25m2 stops Los Angeles Los Angeles Auckland Intl

6:50 pm - 8:35 pmPER Perth-ORD Chicago O'Hare Intl

39h 45m2 stops Auckland Intl Los Angeles Los Angeles

$1,530Air New Zealand

Tue, Oct 20 - Mon, Nov 2

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

25h 35m1 stop Hong Kong Intl

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

26h 45m1 stop Hong Kong Intl

$1,694Cathay Pacific

Tue, Sep 29 - Mon, Oct 5

4:15 pm - 10:40 pmORD Chicago O'Hare Intl-PER Perth

41h 25m1 stop Hong Kong Intl

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

26h 45m1 stop Hong Kong Intl

$1,713Cathay Pacific

Tue, Sep 29 - Mon, Oct 5

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

25h 35m1 stop Hong Kong Intl

12:25 am - 12:55 pmPER Perth-ORD Chicago O'Hare Intl

26h 30m1 stop Hong Kong Intl

$1,761Cathay Pacific

Tue, Oct 20 - Sun, Nov 1

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

$1,620Qatar Airways

Tue, Aug 18 - Tue, Aug 25

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

$1,767Cathay Pacific

Mon, Aug 17 - Mon, Aug 31

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

41h 40m1 stop Hong Kong Intl

8:20 am - 2:20 pmPER Perth-ORD Chicago O'Hare Intl

43h 00m1 stop Hong Kong Intl

$1,772Cathay Pacific

Tue, Aug 18 - Tue, Aug 25

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

$1,907Qatar Airways

Tue, Aug 18 - Tue, Aug 25

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

41h 40m1 stop Hong Kong Intl

9:20 am - 8:45 pmPER Perth-ORD Chicago O'Hare Intl

48h 25m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$2,015Multiple Airlines

Mon, Aug 17 - Tue, Sep 1

3:54 pm - 11:15 amORD Chicago O'Hare Intl-PER Perth

30h 21m2 stops Dallas/Fort Worth Melbourne

10:30 am - 3:54 pmPER Perth-ORD Chicago O'Hare Intl

42h 24m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

$2,177American Airlines

Mon, Aug 17 - Tue, Sep 1

10:30 pm - 9:25 pmORD Chicago O'Hare Intl-PER Perth

57h 55m3 stops Frankfurt am Main Victoria Seychelles Intl Port Louis Sir Seewoosagur Ram.

9:20 am - 12:35 pmPER Perth-ORD Chicago O'Hare Intl

64h 15m2 stops Bangkok Suvarnabhumi Zurich

$2,457Multiple Airlines

Mon, Aug 17 - Tue, Sep 1

12:59 pm - 3:45 pmORD Chicago O'Hare Intl-PER Perth

37h 46m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

1:15 pm - 2:36 pmPER Perth-ORD Chicago O'Hare Intl

38h 21m2 stops Sydney Kingsford Smith Vancouver Intl

$2,640Air Canada

Tue, Aug 18 - Tue, Aug 25

10:43 am - 3:45 pmORD Chicago O'Hare Intl-PER Perth

40h 02m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

1:15 pm - 7:52 pmPER Perth-ORD Chicago O'Hare Intl

43h 37m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$2,901Air Canada

Tue, Aug 18 - 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 20

ORD7:20 pmChicago O'Hare Intl

39h 35m

2 stops

PER11:55 pmPerth

Nov 2

PER10:45 pmPerth

29h 45m

1 stop

ORD2:30 pmChicago O'Hare Intl

$1,373

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 29

ORD7:20 pmChicago O'Hare Intl

34h 15m

1 stop

PER6:35 pmPerth

Oct 6

PER3:30 pmPerth

36h 35m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,433

Air New Zealand flights from Chicago to Perth

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

Air New Zealand

Feb 3

ORD7:15 amChicago O'Hare Intl

43h 35m

2 stops

PER4:50 pmPerth

Feb 24

PER6:50 pmPerth

39h 32m

2 stops

ORD8:22 pmChicago O'Hare Intl

$1,521

Air New Zealand

Oct 20

ORD8:50 amChicago O'Hare Intl

47h 25m

2 stops

PER9:15 pmPerth

Nov 2

PER6:50 pmPerth

39h 45m

2 stops

ORD8:35 pmChicago O'Hare Intl

$1,530

Air New Zealand

Dec 6

ORD11:00 amChicago O'Hare Intl

39h 50m

2 stops

PER4:50 pmPerth

Dec 16

PER6:50 pmPerth

39h 02m

2 stops

ORD7:52 pmChicago O'Hare Intl

$1,531

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

7:20 pm-11:55 pm

2 stops39h 35m

Perth

Mon 11/2

10:45 pm-2:30 pm

1 stop29h 45m

$1,373

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

Tue 9/29

7:20 pm-6:35 pm

1 stop34h 15m

Perth

Tue 10/6

3:30 pm-3:05 pm

2 stops36h 35m

$1,433

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

7:20 pm-11:55 pm

2 stops39h 35m

Perth

Mon 11/2

10:45 pm-11:59 pm

2 stops39h 14m

$1,444

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 2/3

7:15 am-4:50 pm

2 stops43h 35m

Perth

Wed 2/24

6:50 pm-8:22 pm

2 stops39h 32m

$1,521

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sat 9/26

8:10 pm-4:20 am

2 stops43h 10m

Perth

Sat 10/3

6:25 pm-9:40 am

2 stops52h 15m

$1,523

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

8:50 am-9:15 pm

2 stops47h 25m

Perth

Mon 11/2

6:50 pm-8:35 pm

2 stops39h 45m

$1,530

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 9/29

4:15 pm-6:50 am

1 stop25h 35m

Perth

Mon 10/5

12:10 am-1:55 pm

1 stop26h 45m

$1,694

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 9/29

4:15 pm-10:40 pm

1 stop41h 25m

Perth

Mon 10/5

12:10 am-1:55 pm

1 stop26h 45m

$1,713

Quickest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

4:15 pm-6:50 am

1 stop25h 35m

Perth

Sun 11/1

12:25 am-12:55 pm

1 stop26h 30m

$1,761

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

Fastest flight time	26h 20m
Direct flights	None

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 1,453 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,629	Free Cancellation	Rating 7.4 3,739 reviews		Search Qatar Airways flights

Rottnest Island

Fremantle

Mandurah

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.