Illinois

$779+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
jun. 17 — jun. 241
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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 junio 12, 2025.

Round-trip from

$1,133
(Mytrip)

One-way from

$779
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,369
From Perth to Illinois
One-way flight from Perth to Illinois
Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/199:35 pmPER - ORD
1 stop30h 20mANA
mié. 7/307:40 pmORD - PER
2 stops59h 20mANA
Deal found 6/11$1,133
This BYOjet deal was found by Cheapflights users on 6/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1512:10 amPER - ORD
2 stops28h 50mJapan Airlines
mar. 7/291:30 amORD - PER
2 stops34h 10mJapan Airlines
Deal found 6/11$1,209
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/71:10 amPER - ORD
2 stops34h 29mMultiple Airlines
mié. 11/193:20 pmORD - PER
2 stops42h 35mMultiple Airlines
Deal found 6/11$1,398
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:55 pmPER - ORD
2 stops28h 30mAmerican Airlines
mar. 12/303:23 pmORD - PER
2 stops30h 37mAmerican Airlines
Deal found 6/9$1,533
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1512:10 amPER - ORD
1 stop27h 15mCathay Pacific
mié. 7/304:00 pmORD - PER
1 stop26h 45mCathay Pacific
Deal found 6/11$1,748
This Aunt Betty deal was found by Cheapflights users on 6/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/810:45 pmPER - ORD
1 stop29h 45mQatar Airways
mié. 11/192:50 pmORD - PER
2 stops31h 10mQatar Airways
Deal found 6/11$1,931
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/310:20 pmPER - ORD
1 stop30h 25mEmirates
mié. 11/127:45 pmORD - PER
2 stops38h 10mEmirates
Deal found 6/10$2,031
This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:45 pmPER - ORD
2 stops29h 54mAir Canada
mar. 12/307:10 amORD - PER
3 stops41h 20mAir Canada
Deal found 6/9$2,186

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 junio 12, 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

sáb. 7/19

9:35 pm-2:55 pm

1 stop30h 20m

Chicago O'Hare Intl

mié. 7/30

7:40 pm-8:00 pm

2 stops59h 20m

$1,133

PerthChicago

PER - ORD

PERORD

Perth

mar. 7/15

12:10 am-4:00 pm

2 stops28h 50m

Chicago O'Hare Intl

mar. 7/29

1:30 am-12:40 am

2 stops34h 10m

$1,209

PerthChicago

PER - ORD

PERORD

Perth

vie. 11/7

1:10 am-9:39 pm

2 stops34h 29m

Chicago O'Hare Intl

mié. 11/19

3:20 pm-11:55 pm

2 stops42h 35m

$1,398

PerthChicago

PER - ORD

PERORD

Perth

lun. 11/10

10:55 pm-1:25 pm

2 stops28h 30m

Chicago O'Hare Intl

mar. 12/30

3:23 pm-12:00 pm

2 stops30h 37m

$1,533

PerthChicago

PER - ORD

PERORD

Perth

mar. 7/15

12:10 am-2:25 pm

1 stop27h 15m

Chicago O'Hare Intl

mié. 7/30

4:00 pm-7:45 am

1 stop26h 45m

$1,748

PerthChicago

PER - ORD

PERORD

Perth

sáb. 11/8

10:45 pm-2:30 pm

1 stop29h 45m

Chicago O'Hare Intl

mié. 11/19

2:50 pm-12:00 pm

2 stops31h 10m

$1,931

PerthChicago

PER - ORD

PERORD

Perth

mié. 9/3

10:20 pm-3:45 pm

1 stop30h 25m

Chicago O'Hare Intl

mié. 11/12

7:45 pm-11:55 pm

2 stops38h 10m

$2,031

PerthChicago

PER - ORD

PERORD

Perth

lun. 11/10

10:45 pm-2:39 pm

2 stops29h 54m

Chicago O'Hare Intl

mar. 12/30

7:10 am-2:30 pm

3 stops41h 20m

$2,186

PerthChicago

PER - ORD

PERORD

Perth

jue. 6/26

5:10 am-2:55 pm

3 stops46h 45m

$779

PerthChicago

PER - ORD

PERORD

Perth

mié. 6/25

12:10 am-4:00 pm

2 stops28h 50m

$1,069

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 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.

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 junio 12, 2025.
See what other customers who have flown with Japan Airlines, ANA and Emirates from Perth to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

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.

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

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.
8.3
Very good

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

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.

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

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.

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

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.

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

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.

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

    $1,069 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on ANA and Cathay Pacific, with prices starting from $1,460 and $1,521, respectively.

  • 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.

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