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Cheap flights from Perth to Illinois from $845

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
27 Apr — 4 May1
1 adult

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 22 April 2025.

Round-trip from

$1,981

One-way from

$845

Popular in

June

Cheapest in

March

Average price

$2,477
Japan Airlines
  • Japan Airlines
  • 15/6-29/6
  • 4 total stops
  • 63h 00m total
  • Perth to Illinois
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 43h 26m total
  • Perth to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($259 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($115 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 22 April 2025.

Sun 15/600:10PER - ORD
2 stops28h 50mJapan Airlines
Sun 29/601:30ORD - PER
2 stops34h 10mJapan Airlines
Deal found 22/4$1,981
Tue 3/620:30PER - ORD
2 stops50h 10mMultiple Airlines
Tue 10/619:50ORD - PER
2 stops43h 40mMultiple Airlines
Deal found 20/4$2,240
Mon 16/610:30PER - ORD
2 stops26h 05mQantas Airways
Mon 30/620:36ORD - PER
2 stops50h 29mQantas Airways
Deal found 22/4$2,346
Sun 15/600:10PER - ORD
1 stop27h 15mCathay Pacific
Mon 30/616:00ORD - PER
1 stop26h 45mCathay Pacific
Deal found 22/4$2,626
Thu 5/621:35PER - ORD
2 stops35h 50mANA
Thu 12/611:50ORD - PER
1 stop43h 10mANA
Deal found 21/4$2,670
Tue 3/622:45PER - ORD
1 stop29h 20mQatar Airways
Tue 10/615:29ORD - PER
2 stops38h 11mQatar Airways
Deal found 21/4$2,816
Mon 16/622:20PER - ORD
1 stop30h 25mEmirates
Mon 30/620:35ORD - PER
1 stop32h 00mEmirates
Deal found 22/4$2,880
Mon 16/623:35PER - ORD
2 stops28h 08mAir Canada
Mon 30/613:01ORD - PER
3 stops37h 44mAir Canada
Deal found 22/4$3,089

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 22 April 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

Sun 15/6

00:10-16:00

2 stops28h 50m

Chicago O'Hare Intl

Sun 29/6

01:30-00:40

2 stops34h 10m

$1,981

PerthChicago

PER - ORD

PERORD

Perth

Tue 3/6

20:30-09:40

2 stops50h 10m

Chicago O'Hare Intl

Tue 10/6

19:50-04:30

2 stops43h 40m

$2,240

PerthChicago

PER - ORD

PERORD

Perth

Mon 16/6

10:30-23:35

2 stops26h 05m

Chicago O'Hare Intl

Mon 30/6

20:36-12:05

2 stops50h 29m

$2,346

PerthChicago

PER - ORD

PERORD

Perth

Sun 15/6

00:10-14:25

1 stop27h 15m

Chicago O'Hare Intl

Mon 30/6

16:00-07:45

1 stop26h 45m

$2,626

PerthChicago

PER - ORD

PERORD

Perth

Thu 5/6

21:35-20:25

2 stops35h 50m

Chicago O'Hare Intl

Thu 12/6

11:50-20:00

1 stop43h 10m

$2,670

PerthChicago

PER - ORD

PERORD

Perth

Tue 3/6

22:45-15:05

1 stop29h 20m

Chicago O'Hare Intl

Tue 10/6

15:29-18:40

2 stops38h 11m

$2,816

PerthChicago

PER - ORD

PERORD

Perth

Mon 16/6

22:20-15:45

1 stop30h 25m

Chicago O'Hare Intl

Mon 30/6

20:35-17:35

1 stop32h 00m

$2,880

PerthChicago

PER - ORD

PERORD

Perth

Mon 16/6

23:35-14:43

2 stops28h 08m

Chicago O'Hare Intl

Mon 30/6

13:01-15:45

3 stops37h 44m

$3,089

PerthChicago

PER - ORD

PERORD

Perth

Tue 20/5

05:10-11:36

3 stops43h 26m

$845

PerthChicago

PER - ORD

PERORD

Perth

Tue 27/5

00:10-14:25

1 stop27h 15m

$1,579

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 14 results
1
2

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 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.

Cheapflights Insights

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

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

Find hourly flight availability from Perth to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 April 2025.

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

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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 22 April 2025.
Japan Airlines
8.3
Very Good
1,450 reviews
Check prices

Crew

8.7

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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
1,450 reviews
Japan Airlines
8.3
Very Good
1,450 reviews
Check prices

Crew

8.7

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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
847 reviews
Japan Airlines
8.3
Very Good
1,450 reviews
Check prices

Crew

8.7

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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
1,290 reviews
Japan Airlines
8.3
Very Good
1,450 reviews
Check prices

Crew

8.7

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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.
Emirates
8.0
Very Good
3,205 reviews
Japan Airlines
8.3
Very Good
1,450 reviews
Check prices

Crew

8.7

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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.
Qantas Airways
7.5
Good
826 reviews
Japan Airlines
8.3
Very Good
1,450 reviews
Check prices

Crew

8.7

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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?

    Most people fly from Perth (PER) if they book a flight from Perth to Illinois. Perth is conveniently located just 10.2 km from Perth’s city centre.

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

    To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at $1,579. Japan Airlines flights start at $1,655 while deals on United Airlines start at $1,811 one-way.

  • 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 holiday 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.

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 3 airlines flying from Perth to Illinois

Discover the top 3 airlines 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 647,157 searches. Data last updated 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,775Average$2,425FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$2,048Average$2,675FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Japan AirlinesCheapest$2,105Average$2,487FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

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 Perth to Illinois?

Deals for Perth to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Perth to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Perth to Illinois, users can toggle the no change fees filter when performing a flight search.

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

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