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

American Airlines and Singapore Airlines 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 May 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.

$985 Cheap Flights from Chicago O'Hare Intl Airport to Perth in 2026

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Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:42 pm - 5:10 am

ORD

PER

43h 28m

2 stops

1:15 am - 8:00 am

PER

ORD

43h 45m

2 stops

$1,609Multiple Airlines

Fri, Oct 16 - Sat, Oct 31

8:42 pm - 5:10 am

ORD

PER

43h 28m

2 stops

1:15 am - 8:00 am

PER

ORD

43h 45m

2 stops

$1,663Multiple Airlines

Fri, Oct 16 - Sat, Oct 31

3:49 pm - 5:10 am

ORD

PER

48h 21m

2 stops

1:15 am - 8:00 am

PER

ORD

43h 45m

2 stops

$1,678Multiple Airlines

Fri, Oct 16 - Sat, Oct 31

9:39 am - 11:55 pm

ORD

PER

49h 16m

3 stops

1:10 am - 11:59 pm

PER

ORD

35h 49m

2 stops

$1,728Multiple Airlines

Tue, Sep 1 - Mon, Sep 14

8:42 pm - 5:10 am

ORD

PER

43h 28m

2 stops

1:45 pm - 11:59 pm

PER

ORD

47h 14m

2 stops

$1,758Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

4:20 pm - 3:05 pm

ORD

PER

57h 45m

2 stops

4:20 pm - 1:20 pm

PER

ORD

34h 00m

2 stops

$1,795Austrian Airlines

Tue, Sep 22 - Wed, Oct 7

7:20 pm - 6:35 pm

ORD

PER

34h 15m

1 stop

1:45 pm - 3:05 pm

PER

ORD

38h 20m

2 stops

$1,798Qatar Airways

Tue, Sep 1 - Tue, Sep 15

4:20 pm - 3:05 pm

ORD

PER

57h 45m

2 stops

9:20 am - 1:20 pm

PER

ORD

41h 00m

2 stops

$1,800Austrian Airlines

Tue, Sep 22 - Thu, Oct 8

7:20 pm - 11:55 am

ORD

PER

27h 35m

1 stop

7:30 am - 3:05 pm

PER

ORD

44h 35m

2 stops

$1,816Qatar Airways

Tue, Sep 22 - Wed, Oct 7

4:00 pm - 4:20 am

ORD

PER

71h 20m

3 stops

5:35 am - 9:30 am

PER

ORD

40h 55m

3 stops

$1,822Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

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Austrian Airlines flights from Chicago O'Hare Intl Airport to Perth

Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to Perth flight tickets

Austrian Airlines

Sep 22

ORD4:20 pmChicago O'Hare Intl

57h 45m

2 stops

PER3:05 pmPerth

Oct 7

PER4:20 pmPerth

34h 00m

2 stops

ORD1:20 pmChicago O'Hare Intl

$1,795

Austrian Airlines

Sep 22

ORD4:20 pmChicago O'Hare Intl

57h 45m

2 stops

PER3:05 pmPerth

Oct 8

PER9:20 amPerth

41h 00m

2 stops

ORD1:20 pmChicago O'Hare Intl

$1,800

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

Sep 1

ORD7:20 pmChicago O'Hare Intl

34h 15m

1 stop

PER6:35 pmPerth

Sep 15

PER1:45 pmPerth

38h 20m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,798

Qatar Airways

Sep 22

ORD7:20 pmChicago O'Hare Intl

27h 35m

1 stop

PER11:55 amPerth

Oct 7

PER7:30 amPerth

44h 35m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,816

Qatar Airways

Aug 16

ORD7:20 pmChicago O'Hare Intl

34h 15m

1 stop

PER6:35 pmPerth

Aug 22

PER7:30 amPerth

44h 35m

2 stops

ORD3:05 pmChicago O'Hare Intl

$1,878

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

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 10/16

8:42 pm-5:10 am

2 stops43h 28m

Perth

Sat 10/31

1:15 am-8:00 am

2 stops43h 45m

$1,609

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 10/16

8:42 pm-5:10 am

2 stops43h 28m

Perth

Sat 10/31

1:15 am-8:00 am

2 stops43h 45m

$1,663

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 10/16

3:49 pm-5:10 am

2 stops48h 21m

Perth

Sat 10/31

1:15 am-8:00 am

2 stops43h 45m

$1,678

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/1

9:39 am-11:55 pm

3 stops49h 16m

Perth

Mon 9/14

1:10 am-11:59 pm

2 stops35h 49m

$1,728

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 9/16

8:42 pm-5:10 am

2 stops43h 28m

Perth

Wed 9/23

1:45 pm-11:59 pm

2 stops47h 14m

$1,758

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/22

4:20 pm-3:05 pm

2 stops57h 45m

Perth

Wed 10/7

4:20 pm-1:20 pm

2 stops34h 00m

$1,795

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/1

7:20 pm-6:35 pm

1 stop34h 15m

Perth

Tue 9/15

1:45 pm-3:05 pm

2 stops38h 20m

$1,798

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/22

4:20 pm-3:05 pm

2 stops57h 45m

Perth

Thu 10/8

9:20 am-1:20 pm

2 stops41h 00m

$1,800

Quickest round-trip

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/22

7:20 pm-11:55 am

1 stop27h 35m

Perth

Wed 10/7

7:30 am-3:05 pm

2 stops44h 35m

$1,816

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/1

4:00 pm-4:20 am

3 stops71h 20m

Perth

Tue 9/15

5:35 am-9:30 am

3 stops40h 55m

$1,822

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 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 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 August is also very affordable. Most momondo users find prices during this month for around $1,281.

Can stopping save me money on Chicago O'Hare Intl Airport to Perth flights?

You could potentially save up to 68% 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

Fastest flight time	31h 51m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Perth takes 31h 51m

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 31h 51m.
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 May 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 Qatar Airways (56% of total bookings). The next most popular airline is Cathay Pacific (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
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.4 3,723 reviews		Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,418	Free Cancellation	Rating 7.6 1,312 reviews		Search Cathay Pacific flights

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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.