What is the cheapest airline that flies from Chicago O'Hare Intl to Perth?

Cathay Pacific and Qantas Airways are the most popular carriers operating from Chicago O'Hare Intl to Perth

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Perth Airport?

Prices for flights from Chicago O'Hare Intl Airport to Perth Airport are updated daily.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Perth Airport?

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

How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Perth Airport.

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

The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$888 Cheap Flights from Chicago O'Hare Intl Airport to Perth in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport 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

$1,226Philippine Airlines

Mon, Nov 9 - Mon, Nov 16

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

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

8:40 pm - 12:30 pmPER Perth-ORD Chicago O'Hare Intl

53h 50m2 stops Denpasar Bali Ngurah Rai Hong Kong Intl

$1,264Multiple Airlines

Wed, Nov 4 - Tue, Nov 24

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

42h 35m1 stop Manila Ninoy Aquino Intl

8:35 am - 5:02 amPER Perth-ORD Chicago O'Hare Intl

34h 27m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,314Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

2:10 pm - 9:45 pmORD Chicago O'Hare Intl-PER Perth

41h 35m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

11:10 pm - 12:30 pmPER Perth-ORD Chicago O'Hare Intl

51h 20m3 stops Kuala Lumpur Intl Denpasar Bali Ngurah Rai Hong Kong Intl

$1,421Multiple Airlines

Wed, Nov 4 - Tue, Nov 24

6:50 pm - 10:45 pmORD Chicago O'Hare Intl-PER Perth

37h 55m2 stops Doha Hamad Intl Brisbane

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

29h 45m1 stop Doha Hamad Intl

$1,448Qatar Airways

Fri, Mar 12 - Fri, Mar 19

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

33h 55m1 stop Doha Hamad Intl

12:30 pm - 3:30 pmPER Perth-ORD Chicago O'Hare Intl

40h 00m2 stops Melbourne Doha Hamad Intl

$1,471Qatar Airways

Sun, Oct 25 - Sun, Nov 1

6:50 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

$1,571Qatar Airways

Wed, Nov 11 - Wed, Nov 18

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

42h 45m1 stop Hong Kong Intl

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

42h 00m1 stop Hong Kong Intl

$1,791Cathay Pacific

Wed, Nov 11 - Wed, Nov 18

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

41h 25m1 stop Hong Kong Intl

12:25 am - 1:30 pmPER Perth-ORD Chicago O'Hare Intl

26h 05m1 stop Hong Kong Intl

$1,799Cathay Pacific

Thu, Oct 22 - Wed, Oct 28

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

25h 35m1 stop Hong Kong Intl

8:30 am - 1:30 pmPER Perth-ORD Chicago O'Hare Intl

42h 00m1 stop Hong Kong Intl

$1,849Cathay Pacific

Sun, Oct 18 - Sun, Oct 25

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Cathay Pacific flights from Chicago O'Hare Intl Airport to Perth

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Perth flight tickets

Cathay Pacific

Nov 11

ORD2:10 pmChicago O'Hare Intl

42h 45m

1 stop

PER10:55 pmPerth

Nov 18

PER8:30 amPerth

42h 00m

1 stop

ORD12:30 pmChicago O'Hare Intl

$1,791

Cathay Pacific

Oct 22

ORD4:15 pmChicago O'Hare Intl

41h 25m

1 stop

PER10:40 pmPerth

Oct 28

PER12:25 amPerth

26h 05m

1 stop

ORD1:30 pmChicago O'Hare Intl

$1,799

Cathay Pacific

Oct 31

ORD3:10 pmChicago O'Hare Intl

42h 45m

1 stop

PER10:55 pmPerth

Nov 16

PER12:25 amPerth

26h 05m

1 stop

ORD12:30 pmChicago O'Hare Intl

$1,849

Qatar Airways flights from Chicago O'Hare Intl Airport to Perth

Our best Qatar Airways deals on Chicago O'Hare Intl Airport to Perth flight tickets

Qatar Airways

Mar 12

ORD6:50 pmChicago O'Hare Intl

37h 55m

2 stops

PER10:45 pmPerth

Mar 19

PER10:45 pmPerth

29h 45m

1 stop

ORD3:30 pmChicago O'Hare Intl

$1,448

Qatar Airways

Oct 25

ORD7:50 pmChicago O'Hare Intl

33h 55m

1 stop

PER6:45 pmPerth

Nov 1

PER12:30 pmPerth

40h 00m

2 stops

ORD3:30 pmChicago O'Hare Intl

$1,471

Qatar Airways

Nov 11

ORD6:50 pmChicago O'Hare Intl

37h 10m

2 stops

PER10:00 pmPerth

Nov 18

PER10:45 pmPerth

29h 45m

1 stop

ORD2:30 pmChicago O'Hare Intl

$1,571

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Perth that are best for you.

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

Mon 11/9

10:45 pm-7:20 am

1 stop42h 35m

Perth

Mon 11/16

8:35 am-4:55 pm

1 stop22h 20m

$1,226

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 11/4

2:10 pm-1:20 am

2 stops45h 10m

Perth

Tue 11/24

8:40 pm-12:30 pm

2 stops53h 50m

$1,264

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 11/16

8:35 am-5:02 am

2 stops34h 27m

$1,314

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 11/4

2:10 pm-9:45 pm

2 stops41h 35m

Perth

Tue 11/24

11:10 pm-12:30 pm

3 stops51h 20m

$1,421

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Fri 3/12

6:50 pm-10:45 pm

2 stops37h 55m

Perth

Fri 3/19

10:45 pm-3:30 pm

1 stop29h 45m

$1,448

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 10/25

7:50 pm-6:45 pm

1 stop33h 55m

Perth

Sun 11/1

12:30 pm-3:30 pm

2 stops40h 00m

$1,471

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 11/11

6:50 pm-10:00 pm

2 stops37h 10m

Perth

Wed 11/18

10:45 pm-2:30 pm

1 stop29h 45m

$1,571

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 11/11

2:10 pm-10:55 pm

1 stop42h 45m

Perth

Wed 11/18

8:30 am-12:30 pm

1 stop42h 00m

$1,791

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Thu 10/22

4:15 pm-10:40 pm

1 stop41h 25m

Perth

Wed 10/28

12:25 am-1:30 pm

1 stop26h 05m

$1,799

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 10/18

4:15 pm-6:50 am

1 stop25h 35m

Perth

Sun 10/25

8:30 am-1:30 pm

1 stop42h 00m

$1,849

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Perth?

Prices are currently low for flights on this route.

Typical prices usually range from $1,866 to $2,071.
The lowest price recently found on this route was $1,226.

What is the cheapest month to fly to Perth?

In general, May is the cheapest month to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Perth flights?

You could potentially save up to 35% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Perth flight.

When to book flights from Chicago O'Hare Intl Airport to Perth

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

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Perth (ORD to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Perth

Best Price Found	$888
Fastest flight time	26h 45m
Direct flights	None

The best one-way flight to Perth from Chicago O'Hare Intl Airport in the past 72 hours is $888. The best round-trip flight deal from Chicago O'Hare Intl Airport to Perth found on momondo in the last 72 hours is $1,226.

The fastest flight from Chicago O'Hare Intl Airport to Perth takes 26h 45m

There are no direct flights from Chicago O'Hare Intl Airport to Perth. There are no popular flight routes from Chicago O'Hare Intl Airport to Perth.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Perth

How far is Chicago O'Hare Intl to Perth by plane?
Perth is 10952.6 mi away from Chicago O'Hare Intl. A reasonable flight in good conditions will take 26h 45m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Perth Airport?
Prices for flights from Chicago O'Hare Intl Airport to Perth Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Perth Airport?
As of September 2026, there are 2 operators available to choose from for flights from Chicago O'Hare Intl Airport to Perth Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Perth?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Perth is Cathay Pacific (56% of total bookings). The next most popular airline is Qatar Airways (44%).

Best airlines flying from Chicago O'Hare Intl Airport to Perth

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Perth with momondo

Airline	Rating	Free Cancellation	Price
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,504 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,581	Free Cancellation	Rating 7.3 3,729 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Perth. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Chicago to Perth on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Perth from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Perth from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.