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$1,314+ Cheap flights from Perth (PER) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$1,314
(Japan Airlines)

Popular in

June

Cheapest in

March

Average price

$1,517
From Perth to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Japan Airlines deal was found by Cheapflights users on 4/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/312:25 pmPER - ORD
2 stops33h 50mJapan Airlines
Wed 6/181:30 amORD - PER
2 stops32h 10mJapan Airlines
Deal found 4/30$1,314
This Trip.com deal was found by Cheapflights users on 4/30. 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.
Sat 6/148:45 amPER - ORD
2 stops51h 20mMultiple Airlines
Sat 6/216:10 amORD - PER
2 stops36h 15mMultiple Airlines
Deal found 4/30$1,409
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/149:35 pmPER - ORD
2 stops35h 36mANA
Sat 6/2111:50 amORD - PER
1 stop43h 10mANA
Deal found 4/30$1,637
This Aunt Betty deal was found by Cheapflights users on 4/30. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/229:15 amPER - ORD
1 stop42h 10mCathay Pacific
Sat 6/284:00 pmORD - PER
1 stop26h 45mCathay Pacific
Deal found 4/30$1,766
This SmartFares deal was found by Cheapflights users on 4/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:10 amPER - ORD
2 stops54h 40mFinnair
Sat 6/219:30 pmORD - PER
2 stops38h 10mFinnair
Deal found 4/30$1,807
This BYOjet deal was found by Cheapflights users on 4/30. 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.
Tue 6/310:45 pmPER - ORD
2 stops35h 38mQatar Airways
Thu 6/197:20 pmORD - PER
1 stop34h 20mQatar Airways
Deal found 4/30$1,875
This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:10 pmPER - ORD
2 stops39h 38mSingapore Airlines
Mon 10/61:35 pmORD - PER
2 stops33h 55mSingapore Airlines
Deal found 4/30$3,569

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 May 1, 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

Tue 6/3

12:25 pm-9:15 am

2 stops33h 50m

Chicago O'Hare Intl

Wed 6/18

1:30 am-10:40 pm

2 stops32h 10m

$1,314

PerthChicago

PER - ORD

PERORD

Perth

Sat 6/14

8:45 am-11:05 pm

2 stops51h 20m

Chicago O'Hare Intl

Sat 6/21

6:10 am-7:25 am

2 stops36h 15m

$1,409

PerthChicago

PER - ORD

PERORD

Perth

Sat 6/14

9:35 pm-8:11 pm

2 stops35h 36m

Chicago O'Hare Intl

Sat 6/21

11:50 am-8:00 pm

1 stop43h 10m

$1,637

PerthChicago

PER - ORD

PERORD

Perth

Sun 6/22

9:15 am-2:25 pm

1 stop42h 10m

Chicago O'Hare Intl

Sat 6/28

4:00 pm-7:45 am

1 stop26h 45m

$1,766

PerthChicago

PER - ORD

PERORD

Perth

Fri 6/13

12:10 am-5:50 pm

2 stops54h 40m

Chicago O'Hare Intl

Sat 6/21

9:30 pm-12:40 am

2 stops38h 10m

$1,807

PerthChicago

PER - ORD

PERORD

Perth

Tue 6/3

10:45 pm-9:23 pm

2 stops35h 38m

Chicago O'Hare Intl

Thu 6/19

7:20 pm-6:40 pm

1 stop34h 20m

$1,875

PerthChicago

PER - ORD

PERORD

Perth

Mon 9/22

5:10 pm-7:48 pm

2 stops39h 38m

Chicago O'Hare Intl

Mon 10/6

1:35 pm-12:30 pm

2 stops33h 55m

$3,569

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 May 1, 2025.
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Japan Airlines
8.3
Very good
1,464 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
ANA
8.3
Very good
852 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Singapore Airlines
8.1
Very good
1,292 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Finnair
7.6
Good
1,275 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Cathay Pacific
7.5
Good
855 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

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.

  • 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,184Average$1,404FlexibilityNo cancel feeOn-time71%

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