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$720+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Perth to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$1,181
(Gotogate)

One-way from

$720
(Qantas Airways)
From Perth to Illinois
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One-way flight from Perth to Illinois
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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 January 21, 2025.

This Globehunters deal was found by Cheapflights users on 1/20. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:45 pmPER - ORD
1 stop30h 10mANA
Wed 11/57:35 pmORD - PER
2 stops58h 55mANA
Deal found 1/20$1,119
This Gotogate deal was found by Cheapflights users on 1/20. 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 2/1712:25 pmPER - ORD
2 stops33h 10mJapan Airlines
Mon 2/2410:35 amORD - PER
2 stops47h 50mJapan Airlines
Deal found 1/20$1,181
This BYOjet deal was found by Cheapflights users on 1/20. 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.
Thu 10/2310:55 pmPER - ORD
2 stops31h 54mQantas Airways
Wed 11/51:23 pmORD - PER
2 stops37h 57mQantas Airways
Deal found 1/20$1,228
This Trip.com deal was found by Cheapflights users on 1/20. 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.
Thu 3/66:00 amPER - ORD
2 stops31h 57mMultiple Airlines
Thu 3/138:20 pmORD - PER
2 stops29h 10mMultiple Airlines
Deal found 1/20$1,250
This BYOjet deal was found by Cheapflights users on 1/20. 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 10/221:10 amPER - ORD
2 stops29h 40mSingapore Airlines
Wed 11/56:50 pmORD - PER
2 stops39h 05mSingapore Airlines
Deal found 1/20$1,442
This BYOjet deal was found by Cheapflights users on 1/20. 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.
Thu 10/2311:35 pmPER - ORD
2 stops28h 20mAir Canada
Wed 11/52:00 pmORD - PER
3 stops35h 30mAir Canada
Deal found 1/20$1,523
This BYOjet deal was found by Cheapflights users on 1/21. 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.
Fri 3/2110:45 pmPER - ORD
2 stops33h 54mQatar Airways
Sun 3/237:50 pmORD - PER
1 stop33h 55mQatar Airways
Deal found 1/21$1,646
This Emirates deal was found by Cheapflights users on 1/19. 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.
Thu 4/176:00 amPER - ORD
1 stop46h 45mEmirates
Sun 5/48:35 pmORD - PER
1 stop32h 00mEmirates
Deal found 1/19$1,720
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:15 amPER - ORD
1 stop26h 45mCathay Pacific
Fri 3/143:40 pmORD - PER
1 stop28h 55mCathay Pacific
Deal found 1/21$1,936
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 9/21:10 amPER - ORD
2 stops41h 50mUnited Airlines
Tue 9/307:15 amORD - PER
2 stops32h 55mUnited Airlines
Deal found 1/20$7,985

Find flights from Perth to Illinois within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PerthChicago

PER - ORD

PERORD

Perth

Mon 2/17

12:25 pm-7:35 am

2 stops33h 10m

Chicago O'Hare Intl

Mon 2/24

10:35 am-12:25 am

2 stops47h 50m

$1,181

PerthChicago

PER - ORD

PERORD

Perth

Fri 3/7

5:25 am-11:57 pm

2 stops32h 32m

Chicago O'Hare Intl

Fri 3/14

5:10 pm-12:25 pm

2 stops30h 15m

$1,248

PerthChicago

PER - ORD

PERORD

Perth

Thu 3/6

6:00 am-11:57 pm

2 stops31h 57m

Chicago O'Hare Intl

Thu 3/13

8:20 pm-2:30 pm

2 stops29h 10m

$1,250

PerthChicago

PER - ORD

PERORD

Perth

Mon 2/17

9:55 pm-1:50 pm

1 stop29h 55m

Chicago O'Hare Intl

Mon 2/24

10:15 am-8:30 pm

2 stops68h 15m

$1,485

PerthChicago

PER - ORD

PERORD

Perth

Wed 3/5

1:10 am-4:58 pm

2 stops29h 48m

Chicago O'Hare Intl

Thu 3/13

7:00 pm-5:25 am

2 stops45h 25m

$1,580

PerthChicago

PER - ORD

PERORD

Perth

Fri 3/21

10:45 pm-7:39 pm

2 stops33h 54m

Chicago O'Hare Intl

Sun 3/23

7:50 pm-6:45 pm

1 stop33h 55m

$1,646

PerthChicago

PER - ORD

PERORD

Perth

Thu 4/17

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

$1,720

PerthChicago

PER - ORD

PERORD

Perth

Thu 3/6

12:15 am-1:00 pm

1 stop26h 45m

Chicago O'Hare Intl

Fri 3/14

3:40 pm-9:35 am

1 stop28h 55m

$1,936

PerthChicago

PER - ORD

PERORD

Perth

Thu 4/17

3:30 pm-8:55 am

3 stops54h 25m

Chicago O'Hare Intl

Sun 5/4

4:41 pm-9:30 pm

3 stops63h 49m

$2,230

PerthChicago

PER - ORD

PERORD

Perth

Mon 6/30

9:05 am-12:16 am

2 stops28h 11m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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.

Travel insights for flights from Perth to Illinois

Get recent, data-driven insights about flights from Perth to Illinois including ideal travel times, pricing trends, and more.

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 $320). 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 January 21, 2025.
ANA
8.4
Very good
852 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
852 reviews
ANA
8.4
Very good
852 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Japan Airlines
8.3
Very good
1,449 reviews
ANA
8.4
Very good
852 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Emirates
8.1
Very good
3,360 reviews
ANA
8.4
Very good
852 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Singapore Airlines
8.1
Very good
1,328 reviews
ANA
8.4
Very good
852 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Qatar Airways
7.5
Good
3,752 reviews
ANA
8.4
Very good
852 reviews

Overall

8.4

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Crew

8.7

Food

7.7

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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 $320). 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,184Average$1,411FlexibilityNo cancel feeOn-time71%
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