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Cheap flights from Illinois to Perth from $669

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Perth departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:10 pm - 4:15 amORD-PER
49h 05m2 stops
Multiple Airlines Logo
5:45 pm - 8:35 amPER-ORD
51h 50m2 stops
$1,172Multiple Airlines
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Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
12:30 am - 4:55 amORD-PER
39h 25m2 stops
Multiple Airlines Logo
8:50 pm - 9:00 pmPER-ORD
61h 10m2 stops
$1,338Multiple Airlines
Find Deal
Fri, Apr 24 - Tue, May 12
Air Canada Logo
3:40 pm - 9:35 pmORD-PER
39h 55m2 stops
Air Canada Logo
3:15 pm - 7:30 pmPER-ORD
41h 15m3 stops
$1,670Air Canada
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Sun, Mar 1 - Sat, Mar 14
Air Canada Logo
3:40 pm - 9:35 pmORD-PER
39h 55m2 stops
Air Canada Logo
10:55 pm - 2:41 pmPER-ORD
29h 46m2 stops
$1,672Air Canada
Find Deal
Wed, Jan 28 - Tue, Feb 17
Air New Zealand Logo
9:10 pm - 4:00 pmORD-PER
53h 50m2 stops
Air New Zealand Logo
7:50 pm - 10:42 pmPER-ORD
39h 52m2 stops
$1,702Air New Zealand
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Sat, Apr 25 - Tue, May 12
Air New Zealand Logo
9:05 pm - 4:50 pmORD-PER
53h 45m2 stops
Air New Zealand Logo
11:50 pm - 9:28 pmPER-ORD
35h 38m2 stops
$1,718Air New Zealand
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Fri, Jan 30 - Sat, Feb 21
Cathay Pacific Logo
3:35 pm - 6:55 amORD-PER
26h 20m1 stop
Cathay Pacific Logo
8:30 am - 1:55 pmPER-ORD
42h 25m1 stop
$1,813Cathay Pacific
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Wed, Mar 18 - Wed, Mar 25
Cathay Pacific Logo
2:35 pm - 6:55 amORD-PER
26h 20m1 stop
Cathay Pacific Logo
8:30 am - 12:55 pmPER-ORD
42h 25m1 stop
$1,819Cathay Pacific
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Wed, Jan 28 - Tue, Feb 17
Qatar Airways Logo
7:20 pm - 6:40 pmORD-PER
34h 20m1 stop
Qatar Airways Logo
10:45 pm - 3:05 pmPER-ORD
29h 20m1 stop
$1,973Qatar Airways
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Sat, Apr 25 - Tue, May 12
Qatar Airways Logo
6:50 pm - 6:45 pmORD-PER
33h 55m1 stop
Qatar Airways Logo
10:45 pm - 2:30 pmPER-ORD
29h 45m1 stop
$2,012Qatar Airways
Find Deal
Sat, Jan 10 - Sat, Jan 31

Air Canada flights from Illinois to Perth

Our best Air Canada deals on Illinois to Perth flight tickets
Air Canada
Mar 1
ORD3:40 pmChicago O'Hare Intl
39h 55m
2 stops
PER9:35 pmPerth
Mar 14
PER3:15 pmPerth
41h 15m
3 stops
ORD7:30 pmChicago O'Hare Intl
$1,670
Find similar
Air Canada
Jan 28
ORD3:40 pmChicago O'Hare Intl
39h 55m
2 stops
PER9:35 pmPerth
Feb 17
PER10:55 pmPerth
29h 46m
2 stops
ORD2:41 pmChicago O'Hare Intl
$1,672
Find similar
Air Canada
Jan 28
ORD3:40 pmChicago O'Hare Intl
39h 55m
2 stops
PER9:35 pmPerth
Feb 17
PER3:15 pmPerth
42h 15m
3 stops
ORD7:30 pmChicago O'Hare Intl
$1,678
Find similar

Air New Zealand flights from Illinois to Perth

Our best Air New Zealand deals on Illinois to Perth flight tickets
Air New Zealand
Apr 25
ORD9:10 pmChicago O'Hare Intl
53h 50m
2 stops
PER4:00 pmPerth
May 12
PER7:50 pmPerth
39h 52m
2 stops
ORD10:42 pmChicago O'Hare Intl
$1,702
Find similar
Air New Zealand
Jan 30
ORD9:05 pmChicago O'Hare Intl
53h 45m
2 stops
PER4:50 pmPerth
Feb 21
PER11:50 pmPerth
35h 38m
2 stops
ORD9:28 pmChicago O'Hare Intl
$1,718
Find similar
Air New Zealand
Nov 12
ORD2:35 pmChicago O'Hare Intl
36h 15m
2 stops
PER4:50 pmPerth
Nov 26
PER6:50 pmPerth
40h 27m
2 stops
ORD9:17 pmChicago O'Hare Intl
$1,970
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Illinois to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 3/18

2:10 pm-4:15 am

2 stops49h 05m

Perth

Wed 3/25

5:45 pm-8:35 am

2 stops51h 50m

$1,172

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 4/24

12:30 am-4:55 am

2 stops39h 25m

Perth

Tue 5/12

8:50 pm-9:00 pm

2 stops61h 10m

$1,338

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 3/1

3:40 pm-9:35 pm

2 stops39h 55m

Perth

Sat 3/14

3:15 pm-7:30 pm

3 stops41h 15m

$1,670

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 1/28

3:40 pm-9:35 pm

2 stops39h 55m

Perth

Tue 2/17

10:55 pm-2:41 pm

2 stops29h 46m

$1,672

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 4/25

9:10 pm-4:00 pm

2 stops53h 50m

Perth

Tue 5/12

7:50 pm-10:42 pm

2 stops39h 52m

$1,702

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 1/30

9:05 pm-4:50 pm

2 stops53h 45m

Perth

Sat 2/21

11:50 pm-9:28 pm

2 stops35h 38m

$1,718

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 3/18

3:35 pm-6:55 am

1 stop26h 20m

Perth

Wed 3/25

8:30 am-1:55 pm

1 stop42h 25m

$1,813

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 1/28

2:35 pm-6:55 am

1 stop26h 20m

Perth

Tue 2/17

8:30 am-12:55 pm

1 stop42h 25m

$1,819

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 4/25

7:20 pm-6:40 pm

1 stop34h 20m

Perth

Tue 5/12

10:45 pm-3:05 pm

1 stop29h 20m

$1,973

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 1/10

6:50 pm-6:45 pm

1 stop33h 55m

Perth

Sat 1/31

10:45 pm-2:30 pm

1 stop29h 45m

$2,012

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Perth from

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 day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,512. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Friday, with ticket prices averaging around $2,664.

What is the cheapest time of day to depart on your flight to Perth?

In the evening is the cheapest time of day to fly from Illinois to Perth when you can find flight prices for as low as $1,629. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,712. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Illinois to Perth flights?

You could potentially save up to 37% 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

Direct flights

None
There are no direct flights from Illinois to Perth. There are no popular flight routes from Illinois to Perth.
Search flight deals

  • 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?

  • 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
Qantas AirwaysPriceFrom $1,191Free CancellationRating
7.5
933 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,229Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,470Free CancellationRating
7.6
1,056 reviews
Search Cathay Pacific flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Rottnest Island
Scarborough
Waikiki

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.

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