Cheap flights from Illinois to Perth from $1,238

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Perth departing on 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Multiple Airlines Logo
8:20 pm - 4:15 amORD-PER
41h 55m2 stops
Multiple Airlines Logo
5:35 am - 10:05 amPER-ORD
42h 30m2 stops
$1,238Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Multiple Airlines Logo
1:10 pm - 4:15 amORD-PER
49h 05m2 stops
Multiple Airlines Logo
5:50 pm - 7:35 amPER-ORD
51h 45m2 stops
$1,272Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Cathay Pacific Logo
8:39 am - 6:55 amSTL-PER
32h 16m2 stops
Cathay Pacific Logo
12:25 am - 11:42 pmPER-STL
37h 17m2 stops
$1,425Cathay Pacific
Find Deal
Thu, Nov 13 - Sun, Nov 16
Cathay Pacific Logo
7:00 am - 10:55 pmSTL-PER
49h 55m2 stops
Cathay Pacific Logo
12:25 am - 10:58 pmPER-STL
36h 33m2 stops
$1,426Cathay Pacific
Find Deal
Thu, Nov 13 - Sun, Nov 16
JetBlue Logo
6:50 pm - 6:45 pmORD-PER
33h 55m1 stop
JetBlue Logo
10:45 pm - 2:30 pmPER-ORD
29h 45m1 stop
$1,439JetBlue
Find Deal
Sun, Nov 9 - Sun, Nov 16
Multiple Airlines Logo
7:00 am - 6:55 amSTL-PER
33h 55m2 stops
Multiple Airlines Logo
12:25 am - 11:42 pmPER-STL
37h 17m2 stops
$1,487Multiple Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
JetBlue Logo
6:50 pm - 6:45 pmORD-PER
33h 55m1 stop
JetBlue Logo
10:45 pm - 2:30 pmPER-ORD
29h 45m1 stop
$1,531JetBlue
Find Deal
Sat, Nov 8 - Sat, Nov 15
Air New Zealand Logo
7:10 am - 4:50 pmORD-PER
43h 40m2 stops
Air New Zealand Logo
6:50 pm - 7:56 pmPER-ORD
39h 06m2 stops
$1,533Air New Zealand
Find Deal
Sun, Nov 9 - Sun, Nov 16
Singapore Airlines Logo
6:45 am - 2:45 pmORD-PER
42h 00m3 stops
Singapore Airlines Logo
5:05 pm - 8:52 pmPER-ORD
41h 47m3 stops
$1,667Singapore Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Air New Zealand Logo
6:00 am - 4:50 pmSTL-PER
44h 50m2 stops
Air New Zealand Logo
3:20 pm - 10:00 pmPER-STL
44h 40m3 stops
$4,250Air New Zealand
Find Deal
Thu, Dec 18 - Thu, Jan 8

JetBlue flights from Illinois to Perth

Our best JetBlue deals on Illinois to Perth flight tickets
JetBlue
Nov 9
ORD6:50 pmChicago O'Hare Intl
33h 55m
1 stop
PER6:45 pmPerth
Nov 16
PER10:45 pmPerth
29h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl
JetBlue
Nov 8
ORD6:50 pmChicago O'Hare Intl
33h 55m
1 stop
PER6:45 pmPerth
Nov 15
PER10:45 pmPerth
29h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl

Qatar Airways flights from Illinois to Perth

Our best Qatar Airways deals on Illinois to Perth flight tickets
Qatar Airways
Nov 7
ORD6:50 pmChicago O'Hare Intl
27h 10m
1 stop
PER12:00 pmPerth
Nov 14
PER3:05 pmPerth
37h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
Qatar Airways
Nov 8
ORD6:50 pmChicago O'Hare Intl
27h 10m
1 stop
PER12:00 pmPerth
Nov 15
PER10:45 pmPerth
29h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl
Qatar Airways
Nov 9
ORD6:50 pmChicago O'Hare Intl
27h 30m
1 stop
PER12:20 pmPerth
Nov 15
PER2:25 amPerth
50h 05m
2 stops
ORD2:30 pmChicago O'Hare Intl

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 September 25, 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

Fri 11/7

8:20 pm-4:15 am

2 stops41h 55m

Perth

Fri 11/14

5:35 am-10:05 am

2 stops42h 30m

$1,238

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 11/8

1:10 pm-4:15 am

2 stops49h 05m

Perth

Sat 11/15

5:50 pm-7:35 am

2 stops51h 45m

$1,272

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 11/13

8:39 am-6:55 am

2 stops32h 16m

Perth

Sun 11/16

12:25 am-11:42 pm

2 stops37h 17m

$1,425

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 11/13

7:00 am-10:55 pm

2 stops49h 55m

Perth

Sun 11/16

12:25 am-10:58 pm

2 stops36h 33m

$1,426

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 11/9

6:50 pm-6:45 pm

1 stop33h 55m

Perth

Sun 11/16

10:45 pm-2:30 pm

1 stop29h 45m

$1,439

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 11/8

7:00 am-6:55 am

2 stops33h 55m

Perth

Fri 11/14

12:25 am-11:42 pm

2 stops37h 17m

$1,487

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 11/8

6:50 pm-6:45 pm

1 stop33h 55m

Perth

Sat 11/15

10:45 pm-2:30 pm

1 stop29h 45m

$1,531

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 11/9

7:10 am-4:50 pm

2 stops43h 40m

Perth

Sun 11/16

6:50 pm-7:56 pm

2 stops39h 06m

$1,533

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 11/9

6:45 am-2:45 pm

3 stops42h 00m

Perth

Sun 11/16

5:05 pm-8:52 pm

3 stops41h 47m

$1,667

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Thu 12/18

6:00 am-4:50 pm

2 stops44h 50m

Perth

Thu 1/8

3:20 pm-10:00 pm

3 stops44h 40m

$4,250

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 7% 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.
  • 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
908 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,229Free CancellationRating
7.4
3,631 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,470Free CancellationRating
7.6
1,009 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
Rottnest Island
Fremantle
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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1 adult
Sat 10/25
Sat 11/1

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