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

Philippine Airlines is the most popular carrier operating from Illinois to Perth

What airlines fly to Perth?

Cathay Pacific, Qatar Airways and Qantas Airways are the top three most popular airlines that fly to Perth from Illinois according to our data. Cathay Pacific is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Perth. Keep in mind that there are 3 different airlines that fly to Perth on a routine basis, so you have a few additional options to choose from.

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 March 2026, there are 3 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.

$503 Cheap Flights from Illinois to Perth in 2026

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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.

4:15 pm - 1:15 am

ORD

PER

44h 00m

2 stops

8:30 pm - 1:55 pm

PER

ORD

54h 25m

2 stops

$1,336Multiple Airlines

Sun, Apr 19 - Sun, Apr 26

8:10 pm - 1:15 am

ORD

PER

40h 05m

2 stops

8:30 pm - 9:40 am

PER

ORD

50h 10m

2 stops

$1,429Multiple Airlines

Sun, Apr 19 - Sun, Jun 21

2:00 pm - 4:20 am

ORD

PER

49h 20m

2 stops

6:25 pm - 8:35 am

PER

ORD

51h 10m

2 stops

$1,461Multiple Airlines

Mon, Mar 30 - Mon, Apr 6

10:45 pm - 10:15 pm

ORD

PER

58h 30m

2 stops

7:50 pm - 8:46 pm

PER

ORD

37h 56m

2 stops

$1,478Air New Zealand

Mon, Apr 20 - Mon, Apr 27

4:15 pm - 9:45 pm

ORD

PER

40h 30m

2 stops

2:15 pm - 1:55 pm

PER

ORD

60h 40m

2 stops

$1,505Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

9:35 pm - 4:00 pm

ORD

PER

53h 25m

2 stops

7:50 pm - 11:15 pm

PER

ORD

40h 25m

2 stops

$1,556Air New Zealand

Sat, Apr 18 - Sat, Apr 25

7:00 am - 6:35 pm

STL

PER

46h 35m

2 stops

3:40 pm - 11:59 pm

PER

STL

45h 19m

2 stops

$1,574Qatar Airways

Mon, Apr 20 - Mon, Apr 27

4:13 pm - 8:50 am

STL

PER

27h 37m

2 stops

11:55 pm - 11:57 pm

PER

STL

37h 02m

2 stops

$1,602Qantas Airways

Mon, Mar 30 - Mon, Apr 6

4:05 pm - 9:30 pm

STL

PER

64h 25m

3 stops

11:55 pm - 3:25 pm

PER

STL

52h 30m

3 stops

$1,953Air Canada

Mon, Apr 20 - Mon, Apr 27

1:34 pm - 12:35 pm

STL

PER

34h 01m

3 stops

11:55 pm - 11:57 pm

PER

STL

37h 02m

2 stops

$2,133Qantas Airways

Mon, Mar 30 - Mon, Apr 6

Cathay Pacific flights from Illinois to Perth

Our best Cathay Pacific deals on Illinois to Perth flight tickets

Cathay Pacific

Apr 21

ORD4:15 pmChicago O'Hare Intl

25h 35m

1 stop

PER6:50 amPerth

Apr 28

PER8:20 amPerth

42h 35m

1 stop

ORD1:55 pmChicago O'Hare Intl

$1,777

Cathay Pacific

Apr 20

ORD4:15 pmChicago O'Hare Intl

41h 25m

1 stop

PER10:40 pmPerth

Apr 26

PER12:10 amPerth

26h 45m

1 stop

ORD1:55 pmChicago O'Hare Intl

$1,792

Cathay Pacific

Apr 16

ORD4:15 pmChicago O'Hare Intl

41h 25m

1 stop

PER10:40 pmPerth

Apr 22

PER12:10 amPerth

26h 45m

1 stop

ORD1:55 pmChicago O'Hare Intl

$1,793

Air Canada flights from Illinois to Perth

Our best Air Canada deals on Illinois to Perth flight tickets

Air Canada

Apr 20

ORD2:00 pmChicago O'Hare Intl

36h 45m

3 stops

PER3:45 pmPerth

Apr 27

PER10:40 pmPerth

29h 05m

2 stops

ORD2:45 pmChicago O'Hare Intl

$1,880

Air Canada

Apr 20

STL4:05 pmLambert-St Louis

64h 25m

3 stops

PER9:30 pmPerth

Apr 27

PER11:55 pmPerth

52h 30m

3 stops

STL3:25 pmLambert-St Louis

$1,953

Air Canada

Jun 30

ORD12:55 pmChicago O'Hare Intl

37h 50m

3 stops

PER3:45 pmPerth

Jul 30

PER10:40 pmPerth

29h 01m

2 stops

ORD2:41 pmChicago O'Hare Intl

$1,957

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 4/19

4:15 pm-1:15 am

2 stops44h 00m

Perth

Sun 4/26

8:30 pm-1:55 pm

2 stops54h 25m

$1,336

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 4/19

8:10 pm-1:15 am

2 stops40h 05m

Perth

Sun 6/21

8:30 pm-9:40 am

2 stops50h 10m

$1,429

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 3/30

2:00 pm-4:20 am

2 stops49h 20m

Perth

Mon 4/6

6:25 pm-8:35 am

2 stops51h 10m

$1,461

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 4/20

10:45 pm-10:15 pm

2 stops58h 30m

Perth

Mon 4/27

7:50 pm-8:46 pm

2 stops37h 56m

$1,478

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 4/21

4:15 pm-9:45 pm

2 stops40h 30m

Perth

Tue 4/28

2:15 pm-1:55 pm

2 stops60h 40m

$1,505

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 4/18

9:35 pm-4:00 pm

2 stops53h 25m

Perth

Sat 4/25

7:50 pm-11:15 pm

2 stops40h 25m

$1,556

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 4/20

7:00 am-6:35 pm

2 stops46h 35m

Perth

Mon 4/27

3:40 pm-11:59 pm

2 stops45h 19m

$1,574

Quickest round-trip

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 3/30

4:13 pm-8:50 am

2 stops27h 37m

Perth

Mon 4/6

11:55 pm-11:57 pm

2 stops37h 02m

$1,602

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 4/20

4:05 pm-9:30 pm

3 stops64h 25m

Perth

Mon 4/27

11:55 pm-3:25 pm

3 stops52h 30m

$1,953

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 3/30

1:34 pm-12:35 pm

3 stops34h 01m

Perth

Mon 4/6

11:55 pm-11:57 pm

2 stops37h 02m

$2,133

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

Prices

Airlines

Can stopping save me money on Illinois to Perth flights?

You could potentially save up to 52% 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	34h 30m
Direct flights	None

The fastest flight from Illinois to Perth takes 34h 30m

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?
As of March 2026, there are 3 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
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.4 3,746 reviews	Search Qatar Airways flights
Qantas Airways	PriceFrom $1,269	Free Cancellation	Rating 7.5 1,002 reviews	Search Qantas Airways flights
Cathay Pacific	PriceFrom $1,470	Free Cancellation	Rating 7.6 1,195 reviews	Search Cathay Pacific flights

Fremantle

Mandurah

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.