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$602+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This Gotogate deal was found by Cheapflights users on 2/10. 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 2/169:55 pm
PER
-
ORD
2 stops58h 46m
ANA
Mon 2/2310:30 am
ORD
-
PER
1 stop43h 40m
ANA
Deal found 2/10$1,232
This Japan Airlines deal was found by Cheapflights users on 2/9. 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 3/510:30 am
PER
-
ORD
2 stops41h 15m
Japan Airlines
Mon 3/96:40 pm
ORD
-
PER
2 stops39h 15m
Japan Airlines
Deal found 2/9$1,332
This flugladen.de deal was found by Cheapflights users on 2/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:35 am
PER
-
ORD
2 stops28h 00m
Multiple Airlines
Tue 3/1712:30 am
ORD
-
PER
2 stops38h 45m
Multiple Airlines
Deal found 2/11$1,443
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Sun 2/1512:25 am
PER
-
ORD
2 stops27h 20m
Japan Airlines
Mon 2/2310:35 am
ORD
-
PER
2 stops47h 20m
Japan Airlines
Deal found 2/10$1,474
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:45 pm
PER
-
ORD
2 stops43h 12m
United Airlines
Sat 7/189:20 pm
ORD
-
PER
2 stops50h 10m
United Airlines
Deal found 2/11$1,608
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:55 pm
PER
-
ORD
2 stops31h 07m
American Airlines
Sat 7/185:10 pm
ORD
-
PER
2 stops29h 05m
American Airlines
Deal found 2/10$1,658

Find flight deals from Perth to Illinois

Keep the following information in mind while searching for Perth to Illinois flight deals. Data was last updated February 13, 2026.

Round-trip from

$1,332
(Japan Airlines)

One-way from

$602
(Kiwi.com)

Popular in

October

Cheapest in

May

Average price

$1,525
From Perth to Illinois
Search Deals
One-way flight from Perth to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 13, 2026.
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 3/5

10:30 am-1:45 pm

2 stops41h 15m

Chicago O'Hare Intl

Mon 3/9

6:40 pm-10:55 pm

2 stops39h 15m

$1,332

PerthChicago

PER - ORD

PERORD

Perth

Wed 3/11

5:35 am-8:35 pm

2 stops28h 00m

Chicago O'Hare Intl

Tue 3/17

12:30 am-4:15 am

2 stops38h 45m

$1,443

PerthChicago

PER - ORD

PERORD

Perth

Sun 6/21

11:45 pm-5:57 am

2 stops43h 12m

Chicago O'Hare Intl

Sat 7/18

9:20 pm-12:30 pm

2 stops50h 10m

$1,608

PerthChicago

PER - ORD

PERORD

Perth

Sun 6/21

11:55 pm-6:02 pm

2 stops31h 07m

Chicago O'Hare Intl

Sat 7/18

5:10 pm-11:15 am

2 stops29h 05m

$1,658

PerthChicago

PER - ORD

PERORD

Perth

Wed 3/11

10:45 pm-3:45 pm

1 stop30h 00m

Chicago O'Hare Intl

Wed 3/18

4:05 pm-11:55 am

2 stops30h 50m

$1,665

PerthChicago

PER - ORD

PERORD

Perth

Thu 7/2

12:50 am-2:18 pm

2 stops26h 28m

Chicago O'Hare Intl

Mon 7/27

7:00 pm-1:35 pm

2 stops29h 35m

$1,680

PerthChicago

PER - ORD

PERORD

Perth

Thu 3/5

3:55 pm-1:56 pm

2 stops36h 01m

Chicago O'Hare Intl

Mon 3/9

8:05 pm-6:45 pm

1 stop33h 40m

$1,681

PerthChicago

PER - ORD

PERORD

Perth

Mon 3/23

11:45 pm-4:49 am

3 stops42h 04m

$602

PerthChicago

PER - ORD

PERORD

Perth

Mon 3/9

10:40 pm-4:49 am

3 stops43h 09m

$607

PerthChicago

PER - ORD

PERORD

Perth

Tue 3/10

2:45 pm-4:49 am

3 stops51h 04m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 13 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, October is the cheapest month in which you can book a flight from Perth to Illinois (average of $855). Flying from Perth to Illinois in January is currently the most expensive (average of $1,769). 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.

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 February 13, 2026.
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
1,704 reviews

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

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
1,704 reviews
Japan Airlines
8.3
Very good
1,704 reviews

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

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 Japan Airlines fly from Perth to Illinois in about 41h 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, October is the cheapest month in which you can book a flight from Perth to Illinois (average of $855). Flying from Perth to Illinois in January is currently the most expensive (average of $1,769). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$973Average$976FlexibilityNo cancel feeOn-time79%

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