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

Philippine Airlines, Qatar Airways, 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.

$784 Cheap Flights from Illinois to Perth in 2025

1 adult

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Find the cheapest flights from Illinois to Perth

Round-trip

One-way

Cheap return flights

16:25 - 16:35ORD-PER

34h 10m2 stops

17:50 - 13:50PER-ORD

34h 00m2 stops

$1,457

Find Deal

Wed, 5 Nov - Wed, 12 Nov

14:40 - 04:20ORD-PER

47h 40m2 stops

05:35 - 13:00PER-ORD

45h 25m2 stops

$1,517

Find Deal

Sun, 2 Nov - Mon, 10 Nov

15:40 - 21:35ORD-PER

39h 55m2 stops

22:55 - 19:30PER-ORD

34h 35m3 stops

$1,976Air Canada

Find Deal

Sun, 2 Nov - Mon, 10 Nov

15:40 - 15:55ORD-PER

34h 15m2 stops

15:15 - 19:30PER-ORD

42h 15m3 stops

$2,073Air Canada

Find Deal

Wed, 5 Nov - Wed, 12 Nov

16:00 - 07:45ORD-PER

26h 45m1 stop

00:10 - 14:25PER-ORD

27h 15m1 stop

$2,079Cathay Pacific

Find Deal

Wed, 24 Sep - Tue, 30 Sep

14:40 - 22:50ORD-PER

42h 10m1 stop

00:15 - 13:00PER-ORD

26h 45m1 stop

$2,142Cathay Pacific

Find Deal

Sat, 8 Nov - Wed, 19 Nov

22:10 - 07:20ORD-PER

67h 10m2 stops

08:40 - 06:43PER-ORD

36h 03m2 stops

$2,146Philippine Airlines

Find Deal

Thu, 6 Nov - Thu, 13 Nov

18:50 - 12:00ORD-PER

27h 10m1 stop

22:45 - 14:30PER-ORD

29h 45m1 stop

$2,171Qatar Airways

Find Deal

Thu, 6 Nov - Thu, 13 Nov

19:20 - 18:40ORD-PER

34h 20m1 stop

22:45 - 14:50PER-ORD

29h 05m1 stop

$2,174Qatar Airways

Find Deal

Wed, 8 Oct - Mon, 13 Oct

06:03 - 07:25ORD-PER

36h 22m2 stops

08:45 - 12:31PER-ORD

40h 46m2 stops

$2,205Philippine Airlines

Find Deal

Tue, 7 Oct - Mon, 13 Oct

Air Canada flights from Illinois to Perth

Our best Air Canada deals on Illinois to Perth flight tickets

Air Canada

2 Nov

ORD15:40Chicago O'Hare Intl

39h 55m

2 stops

PER21:35Perth

10 Nov

PER22:55Perth

34h 35m

3 stops

ORD19:30Chicago O'Hare Intl

$1,976

Find similar

Air Canada

5 Nov

ORD15:40Chicago O'Hare Intl

34h 15m

2 stops

PER15:55Perth

12 Nov

PER15:15Perth

42h 15m

3 stops

ORD19:30Chicago O'Hare Intl

$2,073

Find similar

Air Canada

6 Nov

ORD15:40Chicago O'Hare Intl

34h 15m

2 stops

PER15:55Perth

13 Nov

PER22:55Perth

34h 35m

3 stops

ORD19:30Chicago O'Hare Intl

$2,168

Find similar

Cathay Pacific flights from Illinois to Perth

Our best Cathay Pacific deals on Illinois to Perth flight tickets

Cathay Pacific

24 Sept

ORD16:00Chicago O'Hare Intl

26h 45m

1 stop

PER07:45Perth

30 Sept

PER00:10Perth

27h 15m

1 stop

ORD14:25Chicago O'Hare Intl

$2,079

Find similar

Cathay Pacific

8 Nov

ORD14:40Chicago O'Hare Intl

42h 10m

1 stop

PER22:50Perth

19 Nov

PER00:15Perth

26h 45m

1 stop

ORD13:00Chicago O'Hare Intl

$2,142

Find similar

Cathay Pacific

2 Nov

ORD14:40Chicago O'Hare Intl

26h 15m

1 stop

PER06:55Perth

10 Nov

PER08:30Perth

42h 30m

1 stop

ORD13:00Chicago O'Hare Intl

$2,145

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 5/11

16:25-16:35

2 stops34h 10m

Perth

Wed 12/11

17:50-13:50

2 stops34h 00m

$1,457

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 2/11

14:40-04:20

2 stops47h 40m

Perth

Mon 10/11

05:35-13:00

2 stops45h 25m

$1,517

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 2/11

15:40-21:35

2 stops39h 55m

Perth

Mon 10/11

22:55-19:30

3 stops34h 35m

$1,976

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 5/11

15:40-15:55

2 stops34h 15m

Perth

Wed 12/11

15:15-19:30

3 stops42h 15m

$2,073

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 24/9

16:00-07:45

1 stop26h 45m

Perth

Tue 30/9

00:10-14:25

1 stop27h 15m

$2,079

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 8/11

14:40-22:50

1 stop42h 10m

Perth

Wed 19/11

00:15-13:00

1 stop26h 45m

$2,142

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 6/11

22:10-07:20

2 stops67h 10m

Perth

Thu 13/11

08:40-06:43

2 stops36h 03m

$2,146

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 6/11

18:50-12:00

1 stop27h 10m

Perth

Thu 13/11

22:45-14:30

1 stop29h 45m

$2,171

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 8/10

19:20-18:40

1 stop34h 20m

Perth

Mon 13/10

22:45-14:50

1 stop29h 05m

$2,174

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 7/10

06:03-07:25

2 stops36h 22m

Perth

Mon 13/10

08:45-12:31

2 stops40h 46m

$2,205

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

What is the cheapest month to fly to Perth?

The month of February is, on average, the cheapest month to fly to Perth from Illinois, with most prices found around $1,814. If you’re not able to fly to Perth in February, then March is your next best option. Flight prices from Illinois to Perth during March average around $1,927.

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

The cheapest day to depart from Illinois to Perth is on a Thursday. Travellers who choose to depart for Perth on a Thursday will often find tickets for as low as $2,768. The most expensive day to fly to Perth is Friday, with ticket prices averaging around $3,989.

Can stopping save me money on Illinois to Perth flights?

You could potentially save up to 8% 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	$784
Fastest flight time	26h 15m
Direct flights	None
Airports in Perth	1 airport

The best one-way flight to Perth from Illinois in the past 72 hours is $784. The best return flight deal from Illinois to Perth found on momondo in the last 72 hours is $1,457.

The fastest flight from Illinois to Perth takes 26h 15m

There are no direct flights from Illinois to Perth. Popular non-direct routes for this connection are Lambert-St Louis Airport - Perth Airport and Chicago O'Hare Intl Airport - Perth Airport.

There is 1 airport near Perth: Perth (PER)

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

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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.