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Cheap flights from Perth to Illinois from $1,086

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Illinois

Enter your travel dates to find the best prices.

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 27 June 2026.

Fri 7/823:45
PER
-
ORD
2 stops32h 57m
Qantas Airways
Sat 22/817:16
ORD
-
PER
2 stops30h 09m
Qantas Airways
Deal found 25/6$1,969
Wed 5/806:25
PER
-
ORD
2 stops27h 05m
Qantas Airways
Wed 12/815:22
ORD
-
PER
2 stops30h 53m
Qantas Airways
Deal found 22/6$2,002
Thu 6/817:55
PER
-
ORD
2 stops35h 56m
Qantas Airways
Thu 20/817:16
ORD
-
PER
2 stops30h 09m
Qantas Airways
Deal found 26/6$2,005
Thu 6/823:50
PER
-
ORD
2 stops38h 25m
Air New Zealand
Tue 11/815:48
ORD
-
PER
2 stops41h 27m
Air New Zealand
Deal found 25/6$2,021
Mon 2/1102:25
PER
-
ORD
3 stops44h 05m
Multiple Airlines
Tue 24/1111:15
ORD
-
PER
3 stops48h 10m
Multiple Airlines
Deal found 23/6$2,075
Thu 23/718:25
PER
-
ORD
3 stops33h 30m
Multiple Airlines
Thu 30/717:45
ORD
-
PER
3 stops60h 45m
Multiple Airlines
Deal found 25/6$2,305
Wed 1/718:25
PER
-
ORD
2 stops58h 00m
Multiple Airlines
Wed 30/917:45
ORD
-
PER
2 stops45h 35m
Multiple Airlines
Deal found 24/6$2,314
Thu 6/810:30
PER
-
ORD
2 stops32h 47m
Multiple Airlines
Thu 20/809:20
ORD
-
PER
3 stops37h 45m
Multiple Airlines
Deal found 26/6$2,404
Thu 6/810:30
PER
-
ORD
2 stops32h 47m
Multiple Airlines
Tue 11/809:20
ORD
-
PER
3 stops36h 55m
Multiple Airlines
Deal found 25/6$2,408
Thu 23/723:55
PER
-
ORD
2 stops44h 43m
American Airlines
Wed 5/807:00
ORD
-
PER
2 stops39h 15m
American Airlines
Deal found 27/6$2,527

Find flight deals from Perth to Illinois

Keep the following information in mind while searching for Perth to Illinois flight deals. Data was last updated 27 June 2026.

Round-trip from

$1,969

One-way from

$1,086

Popular in

April

Cheapest in

May

Average price

$2,773
Qantas Airways
  • Qantas Airways
  • 7/8-22/8
  • 4 total stops
  • 63h 06m total
  • Perth to Illinois
Search Deals
19/7
  • 19/7
  • 3 total stops
  • 43h 37m total
  • Perth to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($538 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($311 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 27 June 2026.
Use the filters below to find and compare flights from Perth to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthChicago

PER - ORD

PERORD

Perth

Thu 6/8

10:30-06:17

2 stops32h 47m

Chicago O'Hare Intl

Tue 11/8

09:20-11:15

3 stops36h 55m

$2,408

PerthChicago

PER - ORD

PERORD

Perth

Thu 12/11

23:55-20:46

2 stops34h 51m

Chicago O'Hare Intl

Mon 16/11

06:00-12:50

2 stops40h 50m

$2,534

PerthChicago

PER - ORD

PERORD

Perth

Thu 23/7

08:20-14:20

1 stop43h 00m

Chicago O'Hare Intl

Wed 5/8

16:00-06:50

1 stop25h 50m

$2,731

PerthChicago

PER - ORD

PERORD

Perth

Thu 6/8

08:20-14:20

1 stop43h 00m

Chicago O'Hare Intl

Tue 11/8

16:00-22:40

1 stop41h 40m

$2,895

PerthChicago

PER - ORD

PERORD

Perth

Thu 12/11

08:30-12:55

1 stop42h 25m

Chicago O'Hare Intl

Mon 16/11

14:35-06:55

1 stop26h 20m

$2,956

PerthChicago

PER - ORD

PERORD

Perth

Fri 7/8

08:20-14:20

1 stop43h 00m

Chicago O'Hare Intl

Sat 22/8

16:00-22:40

1 stop41h 40m

$2,979

PerthChicago

PER - ORD

PERORD

Perth

Fri 7/8

10:30-00:28

3 stops26h 58m

Chicago O'Hare Intl

Sat 22/8

17:16-11:15

2 stops28h 59m

$2,988
Fastest return journey

PerthChicago

PER - ORD

PERORD

Perth

Tue 4/8

00:10-14:20

1 stop27h 10m

Chicago O'Hare Intl

Wed 12/8

16:00-06:50

1 stop25h 50m

$2,999

PerthChicago

PER - ORD

PERORD

Perth

Thu 12/11

00:25-12:55

1 stop26h 30m

Chicago O'Hare Intl

Tue 17/11

14:35-22:55

1 stop42h 20m

$3,015

PerthChicago

PER - ORD

PERORD

Perth

Wed 5/8

10:00-00:28

3 stops27h 28m

Chicago O'Hare Intl

Wed 12/8

17:16-11:15

2 stops28h 59m

$3,023

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 17 resultsSorted by cheapest first
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 month to book a flight from Perth to Illinois?

Currently, October is the cheapest month in which you can book a flight from Perth to Illinois (average of $1,218). Flying from Perth to Illinois in January is currently the most expensive (average of $2,205). 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.

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 27 June 2026.
Get a feel of what it's like to fly with Japan Airlines,ANA, andQantas Airways from Perth to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Japan Airlines
8.3
Very Good
1,851 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
ANA
8.3
Very Good
1,258 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Qantas Airways
7.5
Good
1,053 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Qatar Airways
7.3
Good
3,736 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
American Airlines
7.1
Good
11,777 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.

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.

  • How long is the flight from Perth to Illinois?

    A quick flight from Perth to Illinois can take about 34h 51m. American Airlines provides one of the quickest options available for as low as $2,534. Airlines will cover a distance of 17617 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from Perth to Illinois?

    Currently, October is the cheapest month in which you can book a flight from Perth to Illinois (average of $1,218). Flying from Perth to Illinois in January is currently the most expensive (average of $2,205). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 647,157 searches. Data last updated 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,414Average$2,813FlexibilityNo 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?

Not ready to book yet? You can track prices for flights from Perth to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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