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$707+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$1,283
(BYOjet)

One-way from

$707
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$1,325
From Perth to Illinois
Search Deals
One-way flight from Perth to Illinois
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Highest demand for flights based on searches. 3% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This BYOjet deal was found by Cheapflights users on 3/31. 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.
Wed 9/312:25 pmPER - ORD
2 stops33h 40mJapan Airlines
Sun 9/71:05 amORD - PER
2 stops34h 35mJapan Airlines
Deal found 3/31$1,283
This Trip.com deal was found by Cheapflights users on 3/30. 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.
Tue 4/19:55 amPER - ORD
2 stops48h 05mMultiple Airlines
Sat 4/1912:30 amORD - PER
2 stops42h 40mMultiple Airlines
Deal found 3/30$1,330
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Thu 4/39:35 pmPER - ORD
1 stop30h 20mANA
Sat 4/195:45 pmORD - PER
1 stop37h 15mANA
Deal found 3/31$1,452
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Mon 9/111:35 pmPER - ORD
2 stops30h 07mAir Canada
Tue 9/93:40 pmORD - PER
2 stops32h 15mAir Canada
Deal found 3/31$1,456
This Aunt Betty deal was found by Cheapflights users on 3/31. 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.
Tue 9/210:45 pmPER - ORD
1 stop29h 20mQatar Airways
Mon 9/82:37 pmORD - PER
2 stops32h 18mQatar Airways
Deal found 3/31$1,599
This Qantas Airways deal was found by Cheapflights users on 3/31. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:30 amPER - ORD
2 stops26h 13mQantas Airways
Wed 9/103:52 pmORD - PER
2 stops31h 28mQantas Airways
Deal found 3/31$1,618
This American Airlines deal was found by Cheapflights users on 3/31. 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 8/3110:30 amPER - ORD
2 stops44h 12mAmerican Airlines
Sat 9/67:03 pmORD - PER
2 stops51h 12mAmerican Airlines
Deal found 3/31$1,713
This BYOjet deal was found by Cheapflights users on 3/30. 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.
Wed 4/212:10 amPER - ORD
1 stop27h 15mCathay Pacific
Wed 4/164:00 pmORD - PER
1 stop26h 45mCathay Pacific
Deal found 3/30$1,727
This Emirates deal was found by Cheapflights users on 3/30. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/276:00 amPER - ORD
1 stop46h 45mEmirates
Sun 5/48:35 pmORD - PER
1 stop32h 00mEmirates
Deal found 3/30$1,867
This Aunt Betty deal was found by Cheapflights users on 3/31. 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.
Mon 9/11:10 amPER - ORD
2 stops31h 53mSingapore Airlines
Mon 9/81:35 pmORD - PER
3 stops45h 20mSingapore Airlines
Deal found 3/31$1,883

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 March 31, 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

Wed 9/3

12:25 pm-9:05 am

2 stops33h 40m

Chicago O'Hare Intl

Sun 9/7

1:05 am-12:40 am

2 stops34h 35m

$1,283

PerthChicago

PER - ORD

PERORD

Perth

Mon 5/12

11:15 pm-9:40 am

2 stops47h 25m

Chicago O'Hare Intl

Thu 5/22

11:25 am-9:45 pm

3 stops45h 20m

$1,451

PerthChicago

PER - ORD

PERORD

Perth

Mon 9/1

11:35 pm-4:42 pm

2 stops30h 07m

Chicago O'Hare Intl

Tue 9/9

3:40 pm-12:55 pm

2 stops32h 15m

$1,456

PerthChicago

PER - ORD

PERORD

Perth

Mon 9/1

9:35 pm-2:55 pm

1 stop30h 20m

Chicago O'Hare Intl

Tue 9/9

5:45 pm-8:00 pm

1 stop37h 15m

$1,552

PerthChicago

PER - ORD

PERORD

Perth

Tue 9/2

10:45 pm-3:05 pm

1 stop29h 20m

Chicago O'Hare Intl

Mon 9/8

2:37 pm-11:55 am

2 stops32h 18m

$1,599

PerthChicago

PER - ORD

PERORD

Perth

Wed 9/3

10:30 am-11:43 pm

2 stops26h 13m

Chicago O'Hare Intl

Wed 9/10

3:52 pm-12:20 pm

2 stops31h 28m

$1,618

PerthChicago

PER - ORD

PERORD

Perth

Sun 8/31

10:30 am-5:42 pm

2 stops44h 12m

Chicago O'Hare Intl

Sat 9/6

7:03 pm-11:15 am

2 stops51h 12m

$1,713

PerthChicago

PER - ORD

PERORD

Perth

Thu 5/15

12:10 am-2:25 pm

1 stop27h 15m

Chicago O'Hare Intl

Sat 5/31

4:00 pm-7:45 am

1 stop26h 45m

$1,752

PerthChicago

PER - ORD

PERORD

Perth

Sun 4/27

6:00 am-3:45 pm

1 stop46h 45m

Chicago O'Hare Intl

Sun 5/4

8:35 pm-5:35 pm

1 stop32h 00m

$1,867

PerthChicago

PER - ORD

PERORD

Perth

Mon 9/1

1:10 am-8:03 pm

2 stops31h 53m

Chicago O'Hare Intl

Mon 9/8

1:35 pm-11:55 pm

3 stops45h 20m

$1,883

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 20 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 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 $323). 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 March 31, 2025.
See what other customers who have flown with Japan Airlines, ANA and Singapore Airlines 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.
Japan Airlines
8.3
Very good
1,440 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

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
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

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
831 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

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
1,286 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

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.
Emirates
8.0
Very good
3,192 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

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
1,267 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

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.

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

    $915 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Qantas Airways and Japan Airlines, with prices starting from $992 and $1,065, 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 $323). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,184Average$1,404FlexibilityNo cancel feeOn-time71%
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