What are the cheapest airlines to fly from Illinois to Perth one-way?

To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $889. Air Canada flights start at $1,958 while deals on Qatar Airways start at $2,095 one-way. Find deals

What is the cheapest month to fly from Illinois to Perth?

The best pricing can be found in the month of February. Prices to Perth from Illinois average $2,365. You can even find prices in February for less than $2,365, as users have found deals to Perth from as low as $1,856. The month of December appears to be one of the more expensive times to travel to Perth from Illinois. Flying in the targeted month can save you up to 40%.

What is the cheapest time of day to fly from IL to PER?

When flying from Illinois to Perth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Perth from Illinois?

Perth (PER) is the airport you will fly into if you book a flight from Illinois to Perth. It is only a 10.2 km journey from Perth (PER) to Perth’s city centre.

Can I find deals for flights from Illinois to Perth that include hotel bookings?

Yes. In addition to deals on Illinois to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Illinois to Perth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Perth.

Can I find deals for business class flights from Illinois to Perth?

Yes. Cheapflights offers flight deals from Illinois to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$889+ Flights from Illinois to Perth

Cheap flight deals from Illinois to Perth

Round-trip from	$1,833
One-way from	$889
Popular in	December
Cheapest in	February
Average price	$1,856

Qantas Airways
8/3-16/3
4 total stops
63h 03m total
Illinois to Perth

Search Deals

Qantas Airways
3/7
2 total stops
33h 40m total
Illinois to Perth

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($432 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($139 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Illinois to Perth

Cheapest flights from Illinois to Perth
Explore the most affordable flight options available from Illinois to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Mon 24/213:10ORD - PER

3 stops34h 10mMultiple Airlines

Mon 10/323:10PER - ORD

3 stops42h 35mMultiple Airlines

Deal found 20/2$1,816

Tue 25/215:19ORD - PER

2 stops27h 51mQantas Airways

Sun 16/305:35PER - ORD

2 stops31h 43mQantas Airways

Deal found 20/2$1,828

Fri 4/415:18ORD - PER

2 stops30h 57mAmerican Airlines

Fri 11/423:50PER - ORD

2 stops29h 06mAmerican Airlines

Deal found 20/2$2,124

Mon 24/214:40ORD - PER

1 stop28h 55mCathay Pacific

Sun 9/300:15PER - ORD

1 stop26h 45mCathay Pacific

Deal found 20/2$2,203

Sun 2/307:00STL - PER

2 stops45h 45mQatar Airways

Sun 9/322:45PER - STL

2 stops38h 14mQatar Airways

Deal found 20/2$2,275

Tue 25/210:30ORD - PER

1 stop44h 00mANA

Mon 10/321:55PER - ORD

2 stops35h 30mANA

Deal found 20/2$2,371

Sat 1/315:21STL - PER

2 stops61h 24mMultiple Airlines

Sun 9/322:45PER - STL

2 stops38h 14mMultiple Airlines

Deal found 20/2$2,425

Tue 14/1009:04ORD - PER

2 stops40h 41mAir Canada

Tue 28/1015:15PER - ORD

3 stops41h 17mAir Canada

Deal found 20/2$2,681

Sat 24/506:09STL - PER

2 stops47h 36mAir New Zealand

Sun 3/808:05PER - STL

2 stops33h 53mAir New Zealand

Deal found 21/2$2,709

Sat 22/314:10ORD - PER

2 stops40h 55mEtihad Airways

Sat 29/311:20PER - ORD

2 stops58h 35mEtihad Airways

Deal found 20/2$2,758

Sat 1/306:10STL - PER

2 stops37h 25mCathay Pacific

Sat 8/300:15PER - STL

2 stops59h 54mCathay Pacific

Deal found 20/2$2,875

Tue 14/1019:20ORD - PER

1 stop27h 35mQatar Airways

Tue 28/1022:45PER - ORD

1 stop29h 45mQatar Airways

Deal found 20/2$3,173

Best flights from Illinois to Perth
Discover carefully curated flight deals from Illinois to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Sat 8/317:10ORD - PER

2 stops31h 20mQantas Airways

Sun 16/305:35PER - ORD

2 stops31h 43mQantas Airways

Deal found 20/2$1,833

Sun 20/414:10ORD - PER

2 stops35h 45mMultiple Airlines

Tue 29/423:55PER - ORD

2 stops37h 04mMultiple Airlines

Deal found 19/2$1,855

Fri 4/415:18ORD - PER

2 stops30h 57mAmerican Airlines

Fri 11/423:50PER - ORD

2 stops29h 06mAmerican Airlines

Deal found 20/2$2,124

Sun 6/416:00ORD - PER

1 stop41h 40mCathay Pacific

Sun 13/409:15PER - ORD

1 stop42h 10mCathay Pacific

Deal found 20/2$2,364

Sat 24/506:09STL - PER

2 stops47h 36mAir New Zealand

Sun 3/808:05PER - STL

2 stops33h 53mAir New Zealand

Deal found 21/2$2,709

Sat 22/314:10ORD - PER

2 stops40h 55mEtihad Airways

Sat 29/311:20PER - ORD

2 stops58h 35mEtihad Airways

Deal found 20/2$2,758

Sun 20/419:20ORD - PER

1 stop34h 20mQatar Airways

Tue 29/422:45PER - ORD

1 stop29h 20mQatar Airways

Deal found 19/2$3,176

Thu 3/411:50ORD - PER

1 stop43h 25mANA

Thu 10/421:45PER - ORD

1 stop30h 10mANA

Deal found 20/2$3,355

Fri 4/418:56ORD - PER

2 stops45h 14mSingapore Airlines

Thu 10/401:10PER - ORD

2 stops30h 06mSingapore Airlines

Deal found 20/2$3,379

Sun 6/418:25ORD - PER

2 stops31h 15mUnited Airlines

Sun 13/423:45PER - ORD

2 stops34h 29mUnited Airlines

Deal found 20/2$3,454

Sat 24/513:42STL - PER

3 stops37h 18mMultiple Airlines

Sun 3/808:05PER - STL

2 stops27h 10mMultiple Airlines

Deal found 21/2$2,479

Sat 24/506:09STL - PER

2 stops41h 21mUnited Airlines

Sun 3/801:10PER - STL

2 stops40h 48mUnited Airlines

Deal found 20/2$3,642

Last-minute flights from Illinois to Perth
Discover last-minute flight deals from Illinois to Perth. Data last updated 21 February 2025 and is based on user searches.

Mon 24/213:10ORD - PER

3 stops34h 10mMultiple Airlines

Mon 10/323:10PER - ORD

3 stops42h 35mMultiple Airlines

Deal found 20/2$1,816

Mon 24/215:17ORD - PER

2 stops31h 23mAmerican Airlines

Thu 27/308:00PER - ORD

2 stops28h 59mAmerican Airlines

Deal found 20/2$2,148

Mon 24/214:40ORD - PER

1 stop28h 55mCathay Pacific

Sun 9/300:15PER - ORD

1 stop26h 45mCathay Pacific

Deal found 20/2$2,203

Mon 24/219:05ORD - PER

1 stop33h 40mJetBlue

Mon 10/322:45PER - ORD

1 stop29h 45mJetBlue

Deal found 20/2$3,434

Mon 24/219:05ORD - PER

2 stops40h 20mMalaysia Airlines

Sun 9/302:25PER - ORD

2 stops50h 05mMalaysia Airlines

Deal found 20/2$3,697

Tue 25/215:19ORD - PER

2 stops27h 51mQantas Airways

Sun 16/305:35PER - ORD

2 stops31h 43mQantas Airways

Deal found 20/2$1,828

Tue 25/211:25ORD - PER

2 stops30h 20mMultiple Airlines

Sun 16/323:35PER - ORD

3 stops42h 10mMultiple Airlines

Deal found 20/2$2,209

Tue 25/214:40ORD - PER

1 stop42h 05mCathay Pacific

Sun 9/300:15PER - ORD

1 stop26h 45mCathay Pacific

Deal found 20/2$2,300

Tue 25/210:30ORD - PER

1 stop44h 00mANA

Mon 10/321:55PER - ORD

2 stops35h 30mANA

Deal found 20/2$2,371

Tue 25/214:05ORD - PER

3 stops40h 15mAir Canada

Sun 16/322:55PER - ORD

3 stops36h 11mAir Canada

Deal found 20/2$5,384

Sat 1/315:21STL - PER

2 stops61h 24mMultiple Airlines

Sun 9/322:45PER - STL

2 stops38h 14mMultiple Airlines

Deal found 20/2$2,425

Sat 1/306:10STL - PER

2 stops37h 25mCathay Pacific

Sat 8/300:15PER - STL

2 stops59h 54mCathay Pacific

Deal found 20/2$2,875

One-way flights from Illinois to Perth
Search for one-way flight options from Illinois to Perth. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Thu 3/718:25ORD - PER

2 stops33h 40mQantas Airways

Deal found 20/2$889

Thu 3/714:00ORD - PER

3 stops36h 45mAir Canada

Deal found 20/2$1,958

Thu 3/719:20ORD - PER

1 stop27h 35mQatar Airways

Deal found 20/2$2,095

Find flights from Illinois to Perth within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 8/3

17:10-14:30

2 stops31h 20m

Perth

Sun 16/3

05:35-00:18

2 stops31h 43m

$1,833

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 20/4

14:10-14:55

2 stops35h 45m

Perth

Tue 29/4

23:55-23:59

2 stops37h 04m

$1,855

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 4/4

15:18-11:15

2 stops30h 57m

Perth

Fri 11/4

23:50-15:56

2 stops29h 06m

$2,124

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 6/4

16:00-22:40

1 stop41h 40m

Perth

Sun 13/4

09:15-14:25

1 stop42h 10m

$2,364

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 24/5

13:42-16:00

3 stops37h 18m

Perth

Sun 3/8

08:05-22:15

2 stops27h 10m

$2,479

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 24/5

06:09-18:45

2 stops47h 36m

Perth

Sun 3/8

08:05-04:58

2 stops33h 53m

$2,709

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 22/3

14:10-20:05

2 stops40h 55m

Perth

Sat 29/3

11:20-08:55

2 stops58h 35m

$2,758

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 20/4

19:20-18:40

1 stop34h 20m

Perth

Tue 29/4

22:45-15:05

1 stop29h 20m

$3,176

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 3/4

11:50-20:15

1 stop43h 25m

Perth

Thu 10/4

21:45-14:55

1 stop30h 10m

$3,355

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 4/4

18:56-05:10

2 stops45h 14m

Perth

Thu 10/4

01:10-18:16

2 stops30h 06m

$3,379

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 15 results

Best time to book a flight from Illinois to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Illinois with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Perth

Get recent, data-driven insights about flights from Illinois to Perth including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Perth?

Currently, July is the cheapest month in which you can book a flight from Illinois to Perth (average of $302). Flying from Illinois to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Perth by month

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

Temperature in Perth by month

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Perth

Read through reviews of airlines operating flights from Illinois to Perth, such as ANA, Singapore Airlines and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA

8.4

Very Good

836 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Singapore Airlines

8.1

Very Good

1,299 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Air New Zealand

7.9

Good

460 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Cathay Pacific

7.5

Good

821 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Qatar Airways

7.4

Good

3,609 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Related info for your journey

What airport do you fly into for flights to Perth from Illinois?
Perth (PER) is the airport you will fly into if you book a flight from Illinois to Perth. It is only a 10.2 km journey from Perth (PER) to Perth’s city centre.
What are the cheapest airlines to fly from Illinois to Perth one-way?
To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $889. Air Canada flights start at $1,958 while deals on Qatar Airways start at $2,095 one-way.
Can I find deals for flights from Illinois to Perth that include hotel bookings?
Yes. In addition to deals on Illinois to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Illinois to Perth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Perth.
Can I find deals for business class flights from Illinois to Perth?
Yes. Cheapflights offers flight deals from Illinois to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Illinois to Perth?
Currently, July is the cheapest month in which you can book a flight from Illinois to Perth (average of $302). Flying from Illinois to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Mandurah

Scarborough

Fremantle

Rottnest Island

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Fly with Cheapflights

How does Cheapflights help users find flights from Illinois to Perth?

When you search for this flight from Illinois to Perth, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Perth?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois to Perth for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Illinois to Perth with no change fees?

Need flexible booking options for your flight to Perth from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Perth become cheaper?

Yes! Start tracking prices for Illinois to Perth flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Illinois to Perth from $889

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Perth

Keep the following information in mind while searching for Illinois to Perth flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Perth

Cheapest flights from Illinois to PerthExplore the most affordable flight options available from Illinois to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Illinois to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Illinois to Perth within your budget

Best time to book a flight from Illinois to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Illinois with our price prediction graph.

Travel insights for flights from Illinois to Perth

Get recent, data-driven insights about flights from Illinois to Perth including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Perth?

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

Reviews of airlines servicing Perth

Read through reviews of airlines operating flights from Illinois to Perth, such as ANA, Singapore Airlines and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Perth from Illinois?

What are the cheapest airlines to fly from Illinois to Perth one-way?

Can I find deals for flights from Illinois to Perth that include hotel bookings?

How can I find direct flights from Illinois to Perth?

Can I find deals for business class flights from Illinois to Perth?

What is the cheapest month to book a flight from Illinois to Perth?

Travelling to a place near Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Perth

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Perth?

Why should you use Cheapflights to find cheap flight tickets from Illinois to Perth?

Can Cheapflights find flights from Illinois to Perth with no change fees?

Can Cheapflights notify me if prices for flights from Illinois to Perth become cheaper?

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Travel Smart

Cheapest flights from Illinois to Perth
Explore the most affordable flight options available from Illinois to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.