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$1,117+ Cheap flights from Perth (PER) to Illinois

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
1 adult, Economy
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Cheap flight deals from Perth to Illinois

Keep the following information in mind while searching for Perth to Illinois flight deals. Data was last updated September 30, 2025.

Round-trip from

$1,155
(Gotogate)

One-way from

$1,117
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,558
From Perth to Illinois
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One-way flight from Perth to Illinois
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Highest demand for flights based on searches. 11% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Perth to Illinois

Cheapest flights from Perth to Illinois
Explore the most affordable flight options available from Perth to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2025.

This Gotogate deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:30 amPER - ORD
2 stops35h 00mJapan Airlines
Mon 11/35:35 pmORD - PER
2 stops64h 20mJapan Airlines
Deal found 9/29$1,155
This Trip.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:35 pmPER - ORD
2 stops34h 10mMultiple Airlines
Sun 10/2612:30 amORD - PER
2 stops46h 50mMultiple Airlines
Deal found 9/30$1,354
This Trip.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:35 amPER - ORD
2 stops45h 20mMultiple Airlines
Thu 11/202:35 pmORD - PER
2 stops47h 40mMultiple Airlines
Deal found 9/29$1,371
This BYOjet deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:45 pmPER - ORD
2 stops35h 27mQatar Airways
Mon 10/277:50 pmORD - PER
1 stop33h 55mQatar Airways
Deal found 9/30$1,463
This BestPriceTravel deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:10 amPER - ORD
2 stops28h 35mJapan Airlines
Mon 10/276:35 pmORD - PER
2 stops40h 20mJapan Airlines
Deal found 9/30$1,491
This Expedia deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:10 amPER - ORD
1 stop27h 15mCathay Pacific
Mon 10/273:35 pmORD - PER
1 stop26h 20mCathay Pacific
Deal found 9/30$1,522
This Trip.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:45 pmPER - ORD
2 stops59h 00mMultiple Airlines
Thu 10/2312:30 amORD - PER
2 stops54h 40mMultiple Airlines
Deal found 9/29$1,535
This Japan Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:30 amPER - ORD
2 stops41h 10mJapan Airlines
Mon 11/175:35 pmORD - PER
2 stops40h 20mJapan Airlines
Deal found 9/29$1,568
This Cathay Pacific deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:10 amPER - ORD
1 stop27h 15mCathay Pacific
Thu 10/303:35 pmORD - PER
1 stop26h 20mCathay Pacific
Deal found 9/30$1,577
This Air Canada deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:45 pmPER - ORD
2 stops29h 15mAir Canada
Mon 10/273:40 pmORD - PER
2 stops39h 40mAir Canada
Deal found 9/30$1,581

Cheapflights Fare Finder

 
Customize your flight search to find flights from Perth to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated September 30, 2025.
Use the filters below to find and compare flights from Perth to Illinois that are best for you.

Fly from

Perth

Fly to

Illinois

Route

Depart

Return

Price

PerthChicago

PER - ORD

PERORD

Perth

Thu 11/13

5:35 am-12:55 pm

2 stops45h 20m

Chicago O'Hare Intl

Thu 11/20

2:35 pm-4:15 am

2 stops47h 40m

$1,371

PerthChicago

PER - ORD

PERORD

Perth

Fri 10/17

10:45 pm-8:45 pm

2 stops59h 00m

Chicago O'Hare Intl

Thu 10/23

12:30 am-8:10 pm

2 stops54h 40m

$1,535

PerthChicago

PER - ORD

PERORD

Perth

Mon 10/13

12:10 am-2:25 pm

1 stop27h 15m

Chicago O'Hare Intl

Mon 10/27

3:35 pm-6:55 am

1 stop26h 20m

$1,577

PerthChicago

PER - ORD

PERORD

Perth

Tue 10/14

12:10 am-2:25 pm

1 stop27h 15m

Chicago O'Hare Intl

Thu 10/30

3:35 pm-6:55 am

1 stop26h 20m

$1,577

PerthChicago

PER - ORD

PERORD

Perth

Sun 10/12

12:10 am-2:25 pm

1 stop27h 15m

Chicago O'Hare Intl

Thu 10/30

3:35 pm-6:55 am

1 stop26h 20m

$1,577

PerthChicago

PER - ORD

PERORD

Perth

Tue 10/14

12:10 am-2:25 pm

1 stop27h 15m

Chicago O'Hare Intl

Wed 10/29

3:35 pm-6:55 am

1 stop26h 20m

$1,577

PerthChicago

PER - ORD

PERORD

Perth

Sun 10/19

9:15 am-2:25 pm

1 stop42h 10m

Chicago O'Hare Intl

Thu 10/30

3:35 pm-6:55 am

1 stop26h 20m

$1,619

PerthChicago

PER - ORD

PERORD

Perth

Fri 10/17

9:15 am-2:25 pm

1 stop42h 10m

Chicago O'Hare Intl

Wed 10/29

3:35 pm-6:55 am

1 stop26h 20m

$1,619

PerthChicago

PER - ORD

PERORD

Perth

Wed 11/12

12:25 am-7:30 am

2 stops45h 05m

Chicago O'Hare Intl

Mon 11/17

5:35 pm-11:55 pm

2 stops40h 20m

$1,675

PerthChicago

PER - ORD

PERORD

Perth

Fri 10/17

10:45 pm-9:12 pm

2 stops35h 27m

Chicago O'Hare Intl

Fri 10/24

7:40 pm-11:55 am

1 stop27h 15m

$1,686

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 15 results
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Best time to book a flight from Perth to Illinois

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

Cheapflights Insights

Everything you need to know about your flight from Perth to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Perth to Illinois (average of $245). Flying from Perth to Illinois in March is currently the most expensive (average of $321). 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.

How much does it cost to fly round-trip from Perth to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated September 30, 2025.
Read reviews from past customers who have flown Japan Airlines from Perth to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,570 reviews

Overall

8.3

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Japan Airlines
8.3
Very good
1,570 reviews
Japan Airlines
8.3
Very good
1,570 reviews

Overall

8.3

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Related info for your journey

Find useful and relevant information for your journey from Perth to Illinois. 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 from for flights from Perth to Illinois?

    For a flight from Perth to Illinois, you will be flying from Perth. Perth (PER) is just 6.3 mi from the center of the city.

  • How long is the flight from Perth to Illinois?

    Airlines like Cathay Pacific fly from Perth to Illinois in about 27h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from Perth to Illinois is about 10947 mi.

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

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

  • How can I find direct flights from Perth to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Perth to Illinois 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 Perth to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Perth to Illinois (average of $245). Flying from Perth to Illinois in March is currently the most expensive (average of $321). 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

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Alternative routes for Perth to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Perth to Illinois

Discover the top airline that operate flights from Perth to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$965Average$973FlexibilityNo cancel feeOn-time79%

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