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Cheap flights from Perth to Illinois from $1,512

PER — ORD
7 Nov — 14 Nov1
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

Mon 9/1108:35 -
1 stop22h 20m
Mon 16/1122:45 -
1 stop42h 35m
Deal found 5/10$1,751
Thu 19/1108:35 -
2 stops35h 05m
Fri 4/1222:45 -
1 stop42h 35m
Deal found 4/10$1,823
Mon 9/1108:35 -
2 stops35h 05m
Mon 16/1122:45 -
1 stop42h 35m
Deal found 5/10$1,833
Tue 3/1104:40 -
3 stops43h 20m
Wed 11/1113:30 -
3 stops48h 10m
Deal found 6/10$1,959
Wed 4/1118:50 -
2 stops41h 10m
Thu 12/1114:30 -
2 stops41h 50m
Deal found 5/10$2,270
Wed 18/1118:50 -
2 stops39h 05m
Wed 25/1114:30 -
2 stops36h 20m
Deal found 3/10$2,271
Wed 7/1022:45 -
1 stop30h 10m
Tue 20/1016:26 -
2 stops37h 09m
Deal found 3/10$2,336

Find flight deals from Perth to Illinois

Round-trip from

$1,421

Popular in

April

Cheapest in

December

Average price

$2,826
Philippine Airlines
  • Philippine Airlines
  • 1/3-29/3
  • 2 total stops
  • 64h 50m total
  • Perth to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($530 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($296 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Mon 1/3

08:35-16:55

1 stop22h 20m

Chicago O'Hare Intl

Wed 31/3

23:45-07:15

1 stop42h 30m

$1,512

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Wed 18/11

18:50-19:55

2 stops39h 05m

Chicago O'Hare Intl

Wed 25/11

14:30-16:50

2 stops36h 20m

$2,271

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Wed 11/11

10:30-10:00

2 stops37h 30m

Chicago O'Hare Intl

Sun 15/11

13:30-23:55

2 stops44h 25m

$2,562

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Thu 19/11

22:55-10:00

2 stops49h 05m

Chicago O'Hare Intl

Fri 4/12

10:25-22:55

2 stops46h 30m

$2,617

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Wed 3/3

16:15-12:30

2 stops58h 15m

Chicago O'Hare Intl

Wed 31/3

16:15-14:50

2 stops57h 35m

$2,628

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Wed 18/11

14:15-08:30

2 stops32h 15m

Chicago O'Hare Intl

Wed 25/11

22:45-07:20

1 stop42h 35m

$2,756

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Wed 2/12

21:55-13:50

1 stop29h 55m

Chicago O'Hare Intl

Mon 7/12

10:30-20:15

1 stop43h 45m

$2,928

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Mon 1/3

00:25-12:30

1 stop26h 05m

Chicago O'Hare Intl

Fri 2/4

16:15-06:50

1 stop25h 35m

$2,948

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Tue 2/3

14:00-05:02

2 stops29h 02m

Chicago O'Hare Intl

Tue 30/3

10:00-12:35

3 stops37h 35m

$2,950

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Sat 19/12

14:15-06:40

3 stops54h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$4,954

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 16 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

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, March is the cheapest month in which you can book a flight from Perth to Illinois (average of $2,000). Flying from Perth to Illinois in February is currently the most expensive (average of $3,129). 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 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
1,934 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.
Japan Airlines
8.3
Very Good
1,934 reviews
Japan Airlines
8.3
Very Good
1,934 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.
ANA
8.3
Very Good
1,320 reviews
Japan Airlines
8.3
Very Good
1,934 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.
Qantas Airways
7.5
Good
1,103 reviews
Japan Airlines
8.3
Very Good
1,934 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.

Related info for your journey

  • 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 22h 20m. Philippine Airlines provides one of the quickest options available for as low as $1,512. 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, March is the cheapest month in which you can book a flight from Perth to Illinois (average of $2,000). Flying from Perth to Illinois in February is currently the most expensive (average of $3,129). 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

Top airline flying from Perth to Illinois

AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$2,142Average$2,859FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

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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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