Cheap flights from Perth to Illinois from $827

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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 17 October 2025.

Thu 20/1121:55PER - ORD
1 stop29h 55mANA
Sun 30/1107:10ORD - PER
2 stops47h 00mANA
Deal found 16/10$1,912
Thu 20/1105:35PER - ORD
2 stops45h 20mMultiple Airlines
Sun 30/1114:35ORD - PER
2 stops47h 40mMultiple Airlines
Deal found 16/10$1,968
Fri 21/1120:40PER - ORD
2 stops60h 55mMultiple Airlines
Mon 1/1223:30ORD - PER
2 stops39h 00mMultiple Airlines
Deal found 16/10$2,014
Fri 21/1123:10PER - ORD
3 stops50h 20mMultiple Airlines
Sun 30/1110:30ORD - PER
1 stop43h 40mMultiple Airlines
Deal found 16/10$2,029
Tue 18/1107:35PER - ORD
3 stops41h 55mMultiple Airlines
Sun 30/1110:30ORD - PER
1 stop43h 40mMultiple Airlines
Deal found 16/10$2,049
Fri 21/1120:40PER - ORD
2 stops60h 55mMultiple Airlines
Thu 4/1223:30ORD - PER
2 stops39h 00mMultiple Airlines
Deal found 15/10$2,128
Sun 23/1105:35PER - ORD
3 stops43h 55mMultiple Airlines
Sun 30/1110:30ORD - PER
1 stop43h 40mMultiple Airlines
Deal found 16/10$2,140
Thu 20/1110:30PER - ORD
2 stops35h 00mJapan Airlines
Sun 30/1117:35ORD - PER
2 stops40h 20mJapan Airlines
Deal found 16/10$2,142

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 17 October 2025.

Round-trip from

$1,912

One-way from

$827

Popular in

December

Cheapest in

May

Average price

$1,889
ANA
  • ANA
  • 20/11-30/11
  • 3 total stops
  • 76h 55m total
  • Perth to Illinois
27/10
  • 27/10
  • 3 total stops
  • 48h 55m total
  • Perth to Illinois
Highest demand for flights based on searches. 12% potential increase in price ($487 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($132 potential savings vs. average return price).
Average for round-trip flights in October 2025

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 17 October 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

Fri 21/11

23:10-11:30

3 stops50h 20m

Chicago O'Hare Intl

Sun 30/11

10:30-20:10

1 stop43h 40m

$2,060

PerthChicago

PER - ORD

PERORD

Perth

Thu 20/11

00:25-13:40

2 stops27h 15m

Chicago O'Hare Intl

Sun 30/11

17:35-23:55

2 stops40h 20m

$2,191

PerthChicago

PER - ORD

PERORD

Perth

Fri 14/11

00:25-13:40

2 stops27h 15m

Chicago O'Hare Intl

Sun 30/11

17:35-23:55

2 stops40h 20m

$2,239

PerthChicago

PER - ORD

PERORD

Perth

Sat 15/11

05:35-07:28

3 stops39h 53m

Chicago O'Hare Intl

Sun 30/11

13:10-12:35

3 stops33h 25m

$2,342

PerthChicago

PER - ORD

PERORD

Perth

Fri 21/11

22:45-14:30

1 stop29h 45m

Chicago O'Hare Intl

Thu 4/12

13:31-11:55

2 stops32h 24m

$2,370

PerthChicago

PER - ORD

PERORD

Perth

Fri 21/11

23:10-14:55

2 stops53h 45m

Chicago O'Hare Intl

Thu 4/12

19:45-21:45

3 stops36h 00m

$2,539

PerthChicago

PER - ORD

PERORD

Perth

Fri 21/11

23:10-11:30

3 stops50h 20m

Chicago O'Hare Intl

Mon 1/12

10:30-20:10

1 stop43h 40m

$2,647

PerthChicago

PER - ORD

PERORD

Perth

Sat 29/11

23:50-19:56

2 stops34h 06m

Chicago O'Hare Intl

Sat 6/12

13:00-16:50

2 stops37h 50m

$2,665

PerthChicago

PER - ORD

PERORD

Perth

Mon 27/10

20:40-08:35

3 stops48h 55m

$827

PerthChicago

PER - ORD

PERORD

Perth

Thu 23/10

10:15-14:25

3 stops41h 10m

$1,049

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 15 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 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 $1,316). Flying from Perth to Illinois in December is currently the most expensive (average of $2,322). 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.

What is the cheapest time of day to fly from PER to IL?

Find hourly flight availability from Perth to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

It’s optimal to fly from Perth to Illinois in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight at midday.

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 17 October 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, 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.

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
8.4
Very Good

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

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 27h 15m. Japan Airlines provides one of the quickest options available for as low as $2,191. Airlines will cover a distance of 17617 km.

  • 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 $1,316). Flying from Perth to Illinois in December is currently the most expensive (average of $2,322). 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 3 airlines flying from Perth to Illinois

Discover the top 3 airlines 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,754Average$2,118FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest$1,991Average$2,290FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapest$2,513Average$2,783FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.