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Cheap flights from Perth to Illinois from $1,365

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
12 Jun — 19 Jun1
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 13 May 2026.

Tue 2/623:45
PER
-
ORD
2 stops32h 48m
Qantas Airways
Wed 10/615:50
ORD
-
PER
2 stops31h 25m
Qantas Airways
Deal found 9/5$2,071
Thu 13/823:45
PER
-
ORD
2 stops29h 09m
Qantas Airways
Sun 30/817:50
ORD
-
PER
2 stops52h 25m
Qantas Airways
Deal found 11/5$2,210
Wed 12/806:25
PER
-
ORD
2 stops26h 11m
Qantas Airways
Sun 30/821:05
ORD
-
PER
2 stops49h 10m
Qantas Airways
Deal found 11/5$2,300
Sun 26/723:45
PER
-
ORD
2 stops29h 14m
Qantas Airways
Tue 15/917:43
ORD
-
PER
2 stops28h 32m
Qantas Airways
Deal found 8/5$2,336
Sun 26/723:45
PER
-
ORD
2 stops29h 14m
Qantas Airways
Sun 16/815:21
ORD
-
PER
2 stops33h 24m
Qantas Airways
Deal found 8/5$2,346
Sat 23/516:55
PER
-
ORD
2 stops35h 57m
Qantas Airways
Thu 4/617:10
ORD
-
PER
2 stops29h 05m
Qantas Airways
Deal found 8/5$2,347
Sat 23/514:50
PER
-
ORD
2 stops40h 07m
Qantas Airways
Sun 31/508:15
ORD
-
PER
2 stops39h 00m
Qantas Airways
Deal found 8/5$2,356
Sun 28/605:35
PER
-
ORD
3 stops52h 25m
Multiple Airlines
Sun 20/900:30
ORD
-
PER
3 stops62h 50m
Multiple Airlines
Deal found 10/5$2,405
Wed 8/718:25
PER
-
ORD
2 stops33h 16m
Multiple Airlines
Tue 15/900:30
ORD
-
PER
2 stops32h 15m
Multiple Airlines
Deal found 8/5$2,451

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 13 May 2026.

Round-trip from

$2,071

One-way from

$1,365

Popular in

April

Cheapest in

May

Average price

$1,710
Qantas Airways
  • Qantas Airways
  • 2/6-10/6
  • 4 total stops
  • 64h 13m total
  • Perth to Illinois
Search Deals
29/7
  • 29/7
  • 3 total stops
  • 51h 12m total
  • Perth to Illinois
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($106 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 13 May 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

Sat 23/5

14:50-15:52

2 stops38h 02m

Chicago O'Hare Intl

Wed 3/6

17:10-11:15

2 stops29h 05m

$2,347

PerthChicago

PER - ORD

PERORD

Perth

Sat 23/5

14:50-15:52

2 stops38h 02m

Chicago O'Hare Intl

Mon 1/6

15:02-11:15

2 stops31h 13m

$2,347

PerthChicago

PER - ORD

PERORD

Perth

Sat 23/5

14:50-17:57

2 stops40h 07m

Chicago O'Hare Intl

Sun 31/5

08:15-12:15

2 stops39h 00m

$2,356

PerthChicago

PER - ORD

PERORD

Perth

Sun 8/11

10:30-13:35

2 stops41h 05m

Chicago O'Hare Intl

Wed 11/11

17:35-22:55

2 stops39h 20m

$2,728

PerthChicago

PER - ORD

PERORD

Perth

Tue 21/7

10:30-00:07

2 stops26h 37m

Chicago O'Hare Intl

Sun 20/9

17:43-17:00

2 stops34h 17m

$2,889

PerthChicago

PER - ORD

PERORD

Perth

Mon 26/10

22:45-15:30

1 stop29h 45m

Chicago O'Hare Intl

Thu 29/10

18:50-18:45

1 stop34h 55m

$2,906

PerthChicago

PER - ORD

PERORD

Perth

Thu 23/7

08:20-14:20

1 stop43h 00m

Chicago O'Hare Intl

Wed 23/9

16:15-06:50

1 stop25h 35m

$3,036
Fastest return journey

PerthChicago

PER - ORD

PERORD

Perth

Thu 28/5

09:05-00:30

3 stops28h 25m

Chicago O'Hare Intl

Thu 4/6

17:10-11:15

2 stops29h 05m

$3,047

PerthChicago

PER - ORD

PERORD

Perth

Sat 7/11

00:25-12:55

1 stop26h 30m

Chicago O'Hare Intl

Wed 11/11

14:35-22:55

1 stop42h 20m

$3,080
Cheapest one-way

PerthChicago

PER - ORD

PERORD

Perth

Wed 29/7

16:05-06:17

3 stops51h 12m

$1,365

Flights are sorted by cheapest return flights first.

Deals found on 12/5

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 $1,162). Flying from Perth to Illinois in January is currently the most expensive (average of $2,104). 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.

How much does it cost for a return flight from Perth to Illinois?

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 13 May 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
1,819 reviews
Check prices

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Japan Airlines
8.3
Very Good
1,819 reviews
Japan Airlines
8.3
Very Good
1,819 reviews
Check prices

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
ANA
8.3
Very Good
1,208 reviews
Japan Airlines
8.3
Very Good
1,819 reviews
Check prices

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Qantas Airways
7.5
Good
1,035 reviews
Japan Airlines
8.3
Very Good
1,819 reviews
Check prices

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Qatar Airways
7.4
Good
3,728 reviews
Japan Airlines
8.3
Very Good
1,819 reviews
Check prices

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
American Airlines
7.1
Good
11,665 reviews
Japan Airlines
8.3
Very Good
1,819 reviews
Check prices

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.

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 38h 02m. Qantas Airways provides one of the quickest options available for as low as $2,347. 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 $1,162). Flying from Perth to Illinois in January is currently the most expensive (average of $2,104). 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 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,789Average$2,384FlexibilityNo 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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