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 September 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.

$602 Cheap Flights from Illinois to Perth in 2026

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.

8:25 pm - 4:20 amORD Chicago O'Hare Intl-PER Perth

42h 55m2 stops Abu Dhabi Zayed Intl Singapore Changi

9:10 pm - 8:55 amPER Perth-ORD Chicago O'Hare Intl

48h 45m2 stops Singapore Changi Abu Dhabi Zayed Intl

$1,246Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

8:25 pm - 4:20 amORD Chicago O'Hare Intl-PER Perth

42h 55m2 stops Abu Dhabi Zayed Intl Singapore Changi

9:10 pm - 8:55 amPER Perth-ORD Chicago O'Hare Intl

48h 45m2 stops Singapore Changi Abu Dhabi Zayed Intl

$1,262Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

8:25 pm - 4:20 amORD Chicago O'Hare Intl-PER Perth

42h 55m2 stops Abu Dhabi Zayed Intl Singapore Changi

5:50 pm - 8:55 amPER Perth-ORD Chicago O'Hare Intl

52h 05m2 stops Singapore Changi Abu Dhabi Zayed Intl

$1,274Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

8:25 pm - 3:45 amORD Chicago O'Hare Intl-PER Perth

42h 20m3 stops Abu Dhabi Zayed Intl Singapore Changi Kuala Lumpur Intl

5:15 am - 8:55 amPER Perth-ORD Chicago O'Hare Intl

64h 40m3 stops Kuala Lumpur Intl Singapore Changi Abu Dhabi Zayed Intl

$1,327Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

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

34h 15m1 stop Doha Hamad Intl

1:20 pm - 3:30 pmPER Perth-ORD Chicago O'Hare Intl

39h 10m2 stops Brisbane Doha Hamad Intl

$1,497Qatar Airways

Tue, Oct 20 - Tue, Oct 27

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

34h 15m1 stop Doha Hamad Intl

1:20 pm - 3:30 pmPER Perth-ORD Chicago O'Hare Intl

39h 10m2 stops Brisbane Doha Hamad Intl

$1,502Qatar Airways

Tue, Oct 20 - Tue, Oct 27

7:00 am - 6:45 pmSTL Lambert-St Louis-PER Perth

45h 45m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:45 pm - 11:44 pmPER Perth-STL Lambert-St Louis

37h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,524Qatar Airways

Sun, Feb 28 - Mon, Mar 15

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

25h 35m1 stop Hong Kong Intl

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

26h 05m1 stop Hong Kong Intl

$1,734Cathay Pacific

Mon, Oct 19 - Sun, Nov 1

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

$1,769Cathay Pacific

Thu, Nov 19 - Sun, Nov 29

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

$1,801Cathay Pacific

Tue, Oct 6 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

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

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

5:20 pm - 8:35 amPER Perth-ORD Chicago O'Hare Intl

52h 15m3 stops Kuala Lumpur Intl Singapore Changi Abu Dhabi Zayed Intl

$1,368Multiple Airlines

Sun, Sep 13 - Mon, Sep 28

12:10 pm - 5:10 pmORD Chicago O'Hare Intl-PER Perth

40h 00m2 stops Incheon Intl Singapore Changi

9:55 am - 9:30 amPER Perth-ORD Chicago O'Hare Intl

36h 35m2 stops Singapore Changi Incheon Intl

$1,632Multiple Airlines

Sun, Sep 13 - Mon, Sep 28

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

$1,661Qatar Airways

Sun, Sep 13 - Mon, Sep 28

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

34h 15m1 stop Doha Hamad Intl

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

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

$1,758Qatar Airways

Sun, Sep 13 - Mon, Sep 28

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

41h 40m1 stop Hong Kong Intl

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

26h 45m1 stop Hong Kong Intl

$1,839Cathay Pacific

Sun, Sep 13 - Sun, Sep 27

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

34h 15m1 stop Doha Hamad Intl

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

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

$1,865Qatar Airways

Sun, Sep 13 - Mon, Sep 28

3:20 pm - 12:25 pmORD Chicago O'Hare Intl-PER Perth

32h 05m2 stops Los Angeles Melbourne

11:45 pm - 4:49 pmPER Perth-ORD Chicago O'Hare Intl

30h 04m2 stops Melbourne Los Angeles

$1,911American Airlines

Sun, Sep 13 - Mon, Sep 28

3:40 pm - 3:45 pmORD Chicago O'Hare Intl-PER Perth

35h 05m2 stops Vancouver Intl Sydney Kingsford Smith

4:25 pm - 7:48 pmPER Perth-ORD Chicago O'Hare Intl

40h 23m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$2,010Multiple Airlines

Sun, Sep 13 - Mon, Sep 28

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

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

10:35 am - 9:30 amPER Perth-ORD Chicago O'Hare Intl

35h 55m3 stops Ho Chi Minh City Hanoi Noibai Incheon Intl

$2,111Multiple Airlines

Sat, Sep 12 - Mon, Sep 28

7:27 am - 6:35 pmSTL Lambert-St Louis-PER Perth

46h 08m2 stops Chicago O'Hare Intl Doha Hamad Intl

10:45 pm - 11:59 pmPER Perth-STL Lambert-St Louis

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

$9,106Qatar Airways

Sun, Sep 13 - Wed, Sep 16

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Air New Zealand flights from Illinois to Perth

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

Air New Zealand

Oct 31

ORD8:45 amChicago O'Hare Intl

43h 05m

2 stops

PER4:50 pmPerth

Nov 17

PER6:50 pmPerth

39h 47m

2 stops

ORD8:37 pmChicago O'Hare Intl

$1,532

Air New Zealand

Dec 23

ORD12:55 pmChicago O'Hare Intl

37h 55m

2 stops

PER4:50 pmPerth

Jan 3

PER6:50 pmPerth

40h 43m

2 stops

ORD9:33 pmChicago O'Hare Intl

$1,566

Air New Zealand

Oct 31

ORD3:47 pmChicago O'Hare Intl

36h 03m

2 stops

PER4:50 pmPerth

Nov 17

PER6:50 pmPerth

38h 06m

2 stops

ORD6:56 pmChicago O'Hare Intl

$1,590

American Airlines flights from Illinois to Perth

Our best American Airlines deals on Illinois to Perth flight tickets

American Airlines

Sep 13

ORD3:20 pmChicago O'Hare Intl

32h 05m

2 stops

PER12:25 pmPerth

Sep 28

PER11:45 pmPerth

30h 04m

2 stops

ORD4:49 pmChicago O'Hare Intl

$1,911

American Airlines

Sep 23

ORD1:46 pmChicago O'Hare Intl

32h 29m

2 stops

PER11:15 amPerth

Sep 26

PER11:40 pmPerth

31h 25m

2 stops

ORD6:05 pmChicago O'Hare Intl

$2,112

American Airlines

Dec 27

STL6:56 pmLambert-St Louis

29h 14m

2 stops

PER2:10 pmPerth

Dec 31

PER11:10 pmPerth

32h 56m

2 stops

STL6:06 pmLambert-St Louis

$2,283

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 10/21

8:25 pm-4:20 am

2 stops42h 55m

Perth

Wed 10/28

9:10 pm-8:55 am

2 stops48h 45m

$1,246

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 10/21

8:25 pm-4:20 am

2 stops42h 55m

Perth

Wed 10/28

9:10 pm-8:55 am

2 stops48h 45m

$1,262

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

8:25 pm-4:20 am

2 stops42h 55m

Perth

Tue 10/27

5:50 pm-8:55 am

2 stops52h 05m

$1,274

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Wed 10/21

8:25 pm-3:45 am

3 stops42h 20m

Perth

Wed 10/28

5:15 am-8:55 am

3 stops64h 40m

$1,327

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

7:20 pm-6:35 pm

1 stop34h 15m

Perth

Tue 10/27

1:20 pm-3:30 pm

2 stops39h 10m

$1,497

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/20

7:20 pm-6:35 pm

1 stop34h 15m

Perth

Tue 10/27

1:20 pm-3:30 pm

2 stops39h 10m

$1,502

St. LouisPerth

STL Lambert-St Louis - PER Perth

STLPER

Lambert-St Louis

Sun 2/28

7:00 am-6:45 pm

2 stops45h 45m

Perth

Mon 3/15

10:45 pm-11:44 pm

2 stops37h 59m

$1,524

Quickest round-trip

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Mon 10/19

4:15 pm-6:50 am

1 stop25h 35m

Perth

Sun 11/1

12:25 am-12:30 pm

1 stop26h 05m

$1,734

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Thu 11/19

2:10 pm-6:55 am

1 stop26h 45m

Perth

Sun 11/29

12:25 am-12:30 pm

1 stop26h 05m

$1,769

ChicagoPerth

ORD Chicago O'Hare Intl - PER Perth

ORDPER

Chicago O'Hare Intl

Tue 10/6

4:15 pm-6:50 am

1 stop25h 35m

Perth

Tue 10/13

8:20 am-1:55 pm

1 stop42h 35m

$1,801

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 35% 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	$602
Fastest flight time	26h 45m
Direct flights	None

The best one-way flight to Perth from Illinois in the past 72 hours is $602. The best round-trip flight deal from Illinois to Perth found on momondo in the last 72 hours is $1,246.

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 September 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 1,480 reviews		Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,629	Free Cancellation	Rating 7.4 3,733 reviews		Search Qatar Airways flights

Rottnest Island

Fremantle

Mandurah

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.