When did momondo last update prices for flights from Illinois to Perth Airport?

Prices for flights from Illinois to Perth Airport refresh daily.

How many operators does momondo search for flights from Illinois to Perth Airport?

As of October 2026, there are 2 operators available to choose from for flights from Illinois to Perth Airport.

How old do you have to be to fly from Illinois to Perth Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Perth Airport.

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

The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$591 Cheap Flights from Illinois to Perth in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 9:40 pmORD Chicago O'Hare Intl-PER Perth

41h 00m2 stops Vancouver Intl Sydney Kingsford Smith

5:15 pm - 2:50 pmPER Perth-ORD Chicago O'Hare Intl

34h 35m2 stops Brisbane Vancouver Intl

$1,183Air Canada

Mon, Apr 19 - Mon, May 10

11:45 pm - 7:15 amORD Chicago O'Hare Intl-PER Perth

42h 30m1 stop Manila Ninoy Aquino Intl

8:30 am - 5:55 pmPER Perth-ORD Chicago O'Hare Intl

22h 25m1 stop Manila Ninoy Aquino Intl

$1,188Philippine Airlines

Mon, Apr 19 - Mon, May 10

12:50 pm - 9:40 pmORD Chicago O'Hare Intl-PER Perth

43h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

1:45 pm - 2:50 pmPER Perth-ORD Chicago O'Hare Intl

38h 05m2 stops Brisbane Vancouver Intl

$1,227Air Canada

Mon, Apr 19 - Mon, May 10

9:03 pm - 2:10 pmORD Chicago O'Hare Intl-PER Perth

51h 07m2 stops Los Angeles Brisbane

2:00 pm - 4:42 pmPER Perth-ORD Chicago O'Hare Intl

40h 42m2 stops Melbourne Los Angeles

$1,380Qantas Airways

Mon, Nov 23 - Mon, Nov 30

7:20 pm - 8:25 pmORD Chicago O'Hare Intl-PER Perth

36h 05m2 stops Doha Hamad Intl Adelaide

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

29h 20m1 stop Doha Hamad Intl

$1,480Qatar Airways

Fri, Apr 23 - Sat, May 8

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

33h 55m1 stop Doha Hamad Intl

12:20 pm - 2:30 pmPER Perth-ORD Chicago O'Hare Intl

40h 10m2 stops Adelaide Doha Hamad Intl

$1,486Qatar Airways

Thu, Nov 26 - Fri, Dec 11

7:20 pm - 8:25 pmORD Chicago O'Hare Intl-PER Perth

36h 05m2 stops Doha Hamad Intl Adelaide

4:35 pm - 3:53 pmPER Perth-ORD Chicago O'Hare Intl

36h 18m2 stops Doha Hamad Intl New York John F Kennedy Intl

$1,623Qatar Airways

Fri, Apr 23 - Sat, May 8

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

$1,799Cathay Pacific

Wed, Nov 25 - Wed, Dec 2

2:10 pm - 6:55 amORD Chicago O'Hare Intl-PER Perth

26h 45m1 stop Hong Kong Intl

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

26h 05m1 stop Hong Kong Intl

$1,837Cathay Pacific

Tue, Nov 24 - Mon, Nov 30

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

$1,849Cathay Pacific

Sun, Nov 8 - Sun, Nov 15

Cheap last minute flights

Enter your travel dates to find the best prices.

5:53 pm - 2:30 pmORD Chicago O'Hare Intl-PER Perth

31h 37m2 stops Los Angeles Melbourne

5:00 am - 6:30 pmPER Perth-ORD Chicago O'Hare Intl

27h 30m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,402Qantas Airways

Sat, Oct 31 - Tue, Nov 17

2:50 pm - 9:40 amORD Chicago O'Hare Intl-PER Perth

29h 50m2 stops Dallas/Fort Worth Melbourne

5:00 am - 6:30 pmPER Perth-ORD Chicago O'Hare Intl

27h 30m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,426Multiple Airlines

Sat, Oct 31 - Tue, Nov 17

3:30 pm - 12:05 amORD Chicago O'Hare Intl-PER Perth

43h 35m2 stops Vancouver Intl Brisbane

12:15 pm - 7:58 pmPER Perth-ORD Chicago O'Hare Intl

45h 43m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,553Multiple Airlines

Sat, Oct 31 - Tue, Nov 17

3:30 pm - 1:45 pmORD Chicago O'Hare Intl-PER Perth

33h 15m2 stops Vancouver Intl Sydney Kingsford Smith

3:15 pm - 7:58 pmPER Perth-ORD Chicago O'Hare Intl

42h 43m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,717Multiple Airlines

Sat, Oct 31 - Tue, Nov 17

7:50 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

$1,798Qatar Airways

Sat, Oct 31 - Tue, Nov 17

7:50 pm - 9:10 pmORD Chicago O'Hare Intl-PER Perth

36h 20m2 stops Doha Hamad Intl Melbourne

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

29h 45m1 stop Doha Hamad Intl

$1,804Qatar Airways

Sat, Oct 31 - Tue, Nov 17

7:50 pm - 9:10 pmORD Chicago O'Hare Intl-PER Perth

36h 20m2 stops Doha Hamad Intl Melbourne

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

29h 45m1 stop Doha Hamad Intl

$1,805Qatar Airways

Sat, Oct 31 - Tue, Nov 17

3:10 pm - 6:55 amORD Chicago O'Hare Intl-PER Perth

26h 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

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

$1,850Cathay Pacific

Sat, Oct 31 - Mon, Nov 16

7:50 pm - 9:10 pmORD Chicago O'Hare Intl-PER Perth

36h 20m2 stops Doha Hamad Intl Melbourne

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

29h 45m1 stop Doha Hamad Intl

$1,962Qatar Airways

Sat, Oct 31 - Tue, Nov 17

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Qatar Airways flights from Illinois to Perth

Our best Qatar Airways deals on Illinois to Perth flight tickets

Qatar Airways

Apr 23

ORD7:20 pmChicago O'Hare Intl

36h 05m

2 stops

PER8:25 pmPerth

May 8

PER10:45 pmPerth

29h 20m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,480

Qatar Airways

Nov 26

ORD6:50 pmChicago O'Hare Intl

33h 55m

1 stop

PER6:45 pmPerth

Dec 11

PER12:20 pmPerth

40h 10m

2 stops

ORD2:30 pmChicago O'Hare Intl

$1,486

Qatar Airways

Apr 23

ORD7:20 pmChicago O'Hare Intl

36h 05m

2 stops

PER8:25 pmPerth

May 8

PER4:35 pmPerth

36h 18m

2 stops

ORD3:53 pmChicago O'Hare Intl

$1,623

Air New Zealand flights from Illinois to Perth

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

Air New Zealand

Apr 24

ORD4:57 pmChicago O'Hare Intl

34h 03m

2 stops

PER4:00 pmPerth

May 9

PER7:50 pmPerth

38h 56m

2 stops

ORD9:46 pmChicago O'Hare Intl

$1,576

Air New Zealand

Feb 28

ORD3:47 pmChicago O'Hare Intl

35h 03m

2 stops

PER4:50 pmPerth

Mar 2

PER6:50 pmPerth

41h 09m

2 stops

ORD9:59 pmChicago O'Hare Intl

$1,611

Air New Zealand

Feb 27

ORD8:50 amChicago O'Hare Intl

42h 00m

2 stops

PER4:50 pmPerth

Mar 2

PER6:50 pmPerth

41h 09m

2 stops

ORD9:59 pmChicago O'Hare Intl

$1,661

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 4/19

3:40 pm-9:40 pm

2 stops41h 00m

Perth

Mon 5/10

5:15 pm-2:50 pm

2 stops34h 35m

$1,183

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 4/19

11:45 pm-7:15 am

1 stop42h 30m

Perth

Mon 5/10

8:30 am-5:55 pm

1 stop22h 25m

$1,188

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 4/19

12:50 pm-9:40 pm

3 stops43h 50m

Perth

Mon 5/10

1:45 pm-2:50 pm

2 stops38h 05m

$1,227

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 11/23

9:03 pm-2:10 pm

2 stops51h 07m

Perth

Mon 11/30

2:00 pm-4:42 pm

2 stops40h 42m

$1,380

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Fri 4/23

7:20 pm-8:25 pm

2 stops36h 05m

Perth

Sat 5/8

10:45 pm-3:05 pm

1 stop29h 20m

$1,480

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Thu 11/26

6:50 pm-6:45 pm

1 stop33h 55m

Perth

Fri 12/11

12:20 pm-2:30 pm

2 stops40h 10m

$1,486

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Fri 4/23

7:20 pm-8:25 pm

2 stops36h 05m

Perth

Sat 5/8

4:35 pm-3:53 pm

2 stops36h 18m

$1,623

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 11/25

2:10 pm-10:55 pm

1 stop42h 45m

Perth

Wed 12/2

8:30 am-12:30 pm

1 stop42h 00m

$1,799

Quickest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 11/24

2:10 pm-6:55 am

1 stop26h 45m

Perth

Mon 11/30

12:25 am-12:30 pm

1 stop26h 05m

$1,837

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Sun 11/8

2:10 pm-10:55 pm

1 stop42h 45m

Perth

Sun 11/15

8:30 am-12:30 pm

1 stop42h 00m

$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 Illinois 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

What is the cheapest month to fly to Perth?

In general, May is the cheapest month to fly from Illinois 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 Illinois 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 Illinois to Perth flights?

You could potentially save up to 41% on your flight if you consider stops on a Illinois to Perth flight.

Cheap Illinois to Perth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Perth

Best Price Found	$591
Fastest flight time	26h 45m
Direct flights	None

The best one-way flight to Perth from Illinois in the past 72 hours is $591. The best round-trip flight deal from Illinois to Perth found on momondo in the last 72 hours is $1,183.

The fastest flight from Illinois to Perth takes 26h 45m

There are no direct flights from Illinois to Perth. There are no popular flight routes from Illinois to Perth.

Search flight deals

Frequently asked questions about flying from Illinois to Perth

When did momondo last update prices for flights from Illinois to Perth Airport?
Prices for flights from Illinois to Perth Airport refresh daily.
How many operators does momondo search for flights from Illinois to Perth Airport?
As of October 2026, there are 2 operators available to choose from for flights from Illinois to Perth Airport.
How old do you have to be to fly from Illinois to Perth Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Perth

Compare and see reviews for airlines that fly from Illinois to Perth with momondo

Airline	Rating	Free Cancellation	Price
Cathay Pacific	PriceFrom $1,560	Free Cancellation	Rating 7.6 1,527 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,581	Free Cancellation	Rating 7.3 3,708 reviews		Search Qatar Airways flights

Fremantle

Mandurah

Rottnest Island

Scarborough

Why use momondo?

Why should I use momondo to find a flight deal from Illinois 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 Illinois.

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

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

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

Once all potential Illinois to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Illinois 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.