Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Illinois from $1,155

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
26 Jan — 2 Feb1
1 adult

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 21 January 2025.

Round-trip from

$1,894

One-way from

$1,155
Japan Airlines
  • Japan Airlines
  • 17/2-24/2
  • 4 total stops
  • 81h 00m total
  • Perth to Illinois
30/6
  • 30/6
  • 2 total stops
  • 28h 11m total
  • Perth to Illinois

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 21 January 2025.

Thu 23/1021:45PER - ORD
1 stop30h 10mANA
Wed 5/1119:35ORD - PER
2 stops58h 55mANA
Deal found 20/1$1,795
Mon 17/212:25PER - ORD
2 stops33h 10mJapan Airlines
Mon 24/210:35ORD - PER
2 stops47h 50mJapan Airlines
Deal found 20/1$1,894
Thu 23/1022:55PER - ORD
2 stops31h 54mQantas Airways
Wed 5/1113:23ORD - PER
2 stops37h 57mQantas Airways
Deal found 20/1$1,970
Thu 6/306:00PER - ORD
2 stops31h 57mMultiple Airlines
Thu 13/320:20ORD - PER
2 stops29h 10mMultiple Airlines
Deal found 20/1$2,005
Wed 22/1001:10PER - ORD
2 stops29h 40mSingapore Airlines
Wed 5/1118:50ORD - PER
2 stops39h 05mSingapore Airlines
Deal found 20/1$2,313
Thu 23/1023:35PER - ORD
2 stops28h 20mAir Canada
Wed 5/1114:00ORD - PER
3 stops35h 30mAir Canada
Deal found 20/1$2,443
Fri 21/322:45PER - ORD
2 stops33h 54mQatar Airways
Sun 23/319:50ORD - PER
1 stop33h 55mQatar Airways
Deal found 21/1$2,640
Thu 17/406:00PER - ORD
1 stop46h 45mEmirates
Sun 4/520:35ORD - PER
1 stop32h 00mEmirates
Deal found 19/1$2,759
Thu 6/300:15PER - ORD
1 stop26h 45mCathay Pacific
Fri 14/315:40ORD - PER
1 stop28h 55mCathay Pacific
Deal found 21/1$3,106
Tue 2/901:10PER - ORD
2 stops41h 50mUnited Airlines
Tue 30/907:15ORD - PER
2 stops32h 55mUnited Airlines
Deal found 20/1$12,809

Find flights from Perth to Illinois within your budget

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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PerthChicago

PER - ORD

PERORD

Perth

Mon 17/2

12:25-07:35

2 stops33h 10m

Chicago O'Hare Intl

Mon 24/2

10:35-00:25

2 stops47h 50m

$1,894

PerthChicago

PER - ORD

PERORD

Perth

Fri 7/3

05:25-23:57

2 stops32h 32m

Chicago O'Hare Intl

Fri 14/3

17:10-12:25

2 stops30h 15m

$2,002

PerthChicago

PER - ORD

PERORD

Perth

Thu 6/3

06:00-23:57

2 stops31h 57m

Chicago O'Hare Intl

Thu 13/3

20:20-14:30

2 stops29h 10m

$2,005

PerthChicago

PER - ORD

PERORD

Perth

Mon 17/2

21:55-13:50

1 stop29h 55m

Chicago O'Hare Intl

Mon 24/2

10:15-20:30

2 stops68h 15m

$2,382

PerthChicago

PER - ORD

PERORD

Perth

Wed 5/3

01:10-16:58

2 stops29h 48m

Chicago O'Hare Intl

Thu 13/3

19:00-05:25

2 stops45h 25m

$2,535

PerthChicago

PER - ORD

PERORD

Perth

Fri 21/3

22:45-19:39

2 stops33h 54m

Chicago O'Hare Intl

Sun 23/3

19:50-18:45

1 stop33h 55m

$2,640

PerthChicago

PER - ORD

PERORD

Perth

Thu 17/4

06:00-15:45

1 stop46h 45m

Chicago O'Hare Intl

Sun 4/5

20:35-17:35

1 stop32h 00m

$2,759

PerthChicago

PER - ORD

PERORD

Perth

Thu 6/3

00:15-13:00

1 stop26h 45m

Chicago O'Hare Intl

Fri 14/3

15:40-09:35

1 stop28h 55m

$3,106

PerthChicago

PER - ORD

PERORD

Perth

Thu 17/4

15:30-08:55

3 stops54h 25m

Chicago O'Hare Intl

Sun 4/5

16:41-21:30

3 stops63h 49m

$3,577

PerthChicago

PER - ORD

PERORD

Perth

Mon 30/6

09:05-00:16

2 stops28h 11m

$1,155

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 12 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.

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 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 21 January 2025.

When flying from Perth to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 21 January 2025.
8.4
Very Good
852 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

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?

8.4
Very Good
852 reviews
8.4
Very Good
852 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

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?

8.3
Very Good
1,449 reviews
8.4
Very Good
852 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

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?

8.1
Very Good
3,360 reviews
8.4
Very Good
852 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

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?

8.1
Very Good
1,328 reviews
8.4
Very Good
852 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

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?

7.5
Good
3,754 reviews
8.4
Very Good
852 reviews

Crew

8.7

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Entertainment

7.9

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?

    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.

  • 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.

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 4 airlines flying from Perth to Illinois

Discover the top 4 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 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$1,971Average$2,238FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest$2,086Average$2,860FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest$2,127Average$2,849FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Singapore AirlinesCheapest$2,254Average$2,609FlexibilityNo cancel feeOn-time81%
Search Singapore 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.

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.