What is the cheapest airline that flies from Illinois to Perth?

Philippine Airlines and Cathay Pacific are the most popular carriers operating 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 were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Perth Airport.

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

The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$783 Cheap Flights from Illinois to Perth in 2025/26

1 adult

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Find the cheapest flights from Illinois to Perth

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:10 - 01:35

ORD

PER

46h 25m2 stops

11:30 - 07:35

PER

ORD

34h 05m2 stops

$1,695Multiple Airlines

Mon, 26 Jan - Mon, 2 Feb

13:10 - 17:40

ORD

PER

38h 30m2 stops

04:55 - 07:35

PER

ORD

40h 40m2 stops

$1,746Multiple Airlines

Wed, 28 Jan - Tue, 10 Feb

14:35 - 01:15

ORD

PER

44h 40m2 stops

18:00 - 12:55

PER

ORD

56h 55m2 stops

$1,756Multiple Airlines

Tue, 27 Jan - Tue, 3 Feb

14:35 - 01:15

ORD

PER

44h 40m2 stops

15:35 - 12:55

PER

ORD

59h 20m2 stops

$1,814Multiple Airlines

Tue, 3 Feb - Wed, 18 Feb

14:10 - 19:45

ORD

PER

40h 35m2 stops

20:25 - 08:35

PER

ORD

49h 10m2 stops

$1,847Multiple Airlines

Wed, 11 Mar - Sat, 21 Mar

11:25 - 20:35

ORD

PER

44h 10m2 stops

18:25 - 18:15

PER

ORD

36h 50m2 stops

$1,896Multiple Airlines

Thu, 14 May - Mon, 18 May

11:14 - 07:45

STL

PER

31h 31m2 stops

00:10 - 21:48

PER

STL

34h 38m2 stops

$2,051Cathay Pacific

Mon, 20 Apr - Wed, 29 Apr

11:14 - 07:45

STL

PER

31h 31m2 stops

09:15 - 21:48

PER

STL

49h 33m2 stops

$2,072Cathay Pacific

Mon, 20 Apr - Wed, 29 Apr

11:14 - 07:45

STL

PER

31h 31m2 stops

00:10 - 22:29

PER

STL

35h 19m2 stops

$2,112Cathay Pacific

Mon, 20 Apr - Mon, 27 Apr

15:52 - 08:50

ORD

PER

27h 58m2 stops

10:30 - 23:55

PER

ORD

26h 25m2 stops

$2,235Qantas Airways

Sat, 23 May - Sun, 31 May

Cathay Pacific flights from Illinois to Perth

Our best Cathay Pacific deals on Illinois to Perth flight tickets

Cathay Pacific

20 Apr

STL11:14Lambert-St Louis

31h 31m

2 stops

PER07:45Perth

29 Apr

PER00:10Perth

34h 38m

2 stops

STL21:48Lambert-St Louis

$2,051

Find similar

Cathay Pacific

20 Apr

STL11:14Lambert-St Louis

31h 31m

2 stops

PER07:45Perth

29 Apr

PER09:15Perth

49h 33m

2 stops

STL21:48Lambert-St Louis

$2,072

Find similar

Cathay Pacific

20 Apr

STL11:14Lambert-St Louis

31h 31m

2 stops

PER07:45Perth

27 Apr

PER00:10Perth

35h 19m

2 stops

STL22:29Lambert-St Louis

$2,112

Find similar

Qantas Airways flights from Illinois to Perth

Our best Qantas Airways deals on Illinois to Perth flight tickets

Qantas Airways

23 May

ORD15:52Chicago O'Hare Intl

27h 58m

2 stops

PER08:50Perth

31 May

PER10:30Perth

26h 25m

2 stops

ORD23:55Chicago O'Hare Intl

$2,235

Find similar

Qantas Airways

28 Jan

ORD13:15Chicago O'Hare Intl

28h 30m

2 stops

PER07:45Perth

4 Feb

PER05:30Perth

27h 59m

2 stops

ORD19:29Chicago O'Hare Intl

$2,269

Find similar

Qantas Airways

28 Jan

ORD11:56Chicago O'Hare Intl

29h 49m

2 stops

PER07:45Perth

17 Feb

PER05:00Perth

26h 45m

2 stops

ORD17:45Chicago O'Hare Intl

$2,299

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 26/1

13:10-01:35

2 stops46h 25m

Perth

Mon 2/2

11:30-07:35

2 stops34h 05m

$1,695

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 28/1

13:10-17:40

2 stops38h 30m

Perth

Tue 10/2

04:55-07:35

2 stops40h 40m

$1,746

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 27/1

14:35-01:15

2 stops44h 40m

Perth

Tue 3/2

18:00-12:55

2 stops56h 55m

$1,756

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/2

14:35-01:15

2 stops44h 40m

Perth

Wed 18/2

15:35-12:55

2 stops59h 20m

$1,814

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 11/3

14:10-19:45

2 stops40h 35m

Perth

Sat 21/3

20:25-08:35

2 stops49h 10m

$1,847

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 14/5

11:25-20:35

2 stops44h 10m

Perth

Mon 18/5

18:25-18:15

2 stops36h 50m

$1,896

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 20/4

11:14-07:45

2 stops31h 31m

Perth

Wed 29/4

00:10-21:48

2 stops34h 38m

$2,051

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 20/4

11:14-07:45

2 stops31h 31m

Perth

Wed 29/4

09:15-21:48

2 stops49h 33m

$2,072

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 20/4

11:14-07:45

2 stops31h 31m

Perth

Mon 27/4

00:10-22:29

2 stops35h 19m

$2,112

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 23/5

15:52-08:50

2 stops27h 58m

Perth

Sun 31/5

10:30-23:55

2 stops26h 25m

$2,235

Flights are sorted by cheapest return 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

Prices

Airlines

Can stopping save me money on Illinois to Perth flights?

You could potentially save up to 16% 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

Fastest flight time	28h 23m
Direct flights	None

The fastest flight from Illinois to Perth takes 28h 23m

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 were last updated today.
How old do you have to be to fly from Illinois to Perth Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Fremantle

Mandurah

Scarborough

Rottnest Island

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Perth. momondo saves you time and could save you money on your trip.

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?

momondo provides multiple filters to help you find the best flight to Perth from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Illinois to Perth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.