Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Illinois from $1,102

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
PER — ORD
31 Mar — 7 Apr1
1 adult

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 26 March 2025.

Round-trip from

$2,057

One-way from

$1,102

Popular in

June

Cheapest in

May

Average price

$2,081
Qantas Airways
  • Qantas Airways
  • 2/5-17/5
  • 4 total stops
  • 76h 01m total
  • Perth to Illinois
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 43h 26m total
  • Perth to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($239 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($137 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 26 March 2025.

Thu 16/1010:30PER - ORD
2 stops32h 39mAmerican Airlines
Sun 30/1113:23ORD - PER
2 stops30h 47mAmerican Airlines
Deal found 25/3$2,017
Fri 2/519:25PER - ORD
2 stops41h 34mQantas Airways
Sat 17/517:38ORD - PER
2 stops34h 27mQantas Airways
Deal found 25/3$2,057
Fri 9/510:30PER - ORD
2 stops26h 29mMultiple Airlines
Fri 16/517:38ORD - PER
2 stops28h 37mMultiple Airlines
Deal found 25/3$2,076
Tue 9/912:25PER - ORD
2 stops40h 20mJapan Airlines
Mon 6/1001:05ORD - PER
2 stops32h 35mJapan Airlines
Deal found 25/3$2,203
Thu 25/921:35PER - ORD
1 stop30h 20mANA
Fri 26/921:05ORD - PER
2 stops57h 55mANA
Deal found 26/3$2,365
Thu 16/1015:30PER - ORD
3 stops40h 59mAir Canada
Sun 30/1114:00ORD - PER
3 stops35h 30mAir Canada
Deal found 25/3$2,371
Wed 15/1000:10PER - ORD
1 stop27h 15mCathay Pacific
Sun 30/1114:40ORD - PER
1 stop42h 10mCathay Pacific
Deal found 25/3$2,840
Fri 9/522:20PER - ORD
1 stop30h 25mEmirates
Fri 16/520:35ORD - PER
1 stop39h 05mEmirates
Deal found 25/3$3,011
Thu 25/1222:55PER - ORD
2 stops31h 45mUnited Airlines
Mon 2/218:15ORD - PER
2 stops30h 30mUnited Airlines
Deal found 24/3$3,148
Thu 16/1022:45PER - ORD
1 stop29h 40mQatar Airways
Sun 30/1118:55ORD - PER
1 stop27h 05mQatar Airways
Deal found 25/3$3,205
Wed 24/901:10PER - ORD
2 stops28h 48mSingapore Airlines
Fri 26/913:35ORD - PER
3 stops45h 20mSingapore Airlines
Deal found 26/3$3,478
Thu 31/700:10PER - ORD
2 stops54h 15mFinnair
Sat 30/821:30ORD - PER
2 stops38h 10mFinnair
Deal found 25/3$4,981

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 26 March 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 2/5

19:25-23:59

2 stops41h 34m

Chicago O'Hare Intl

Sat 17/5

17:38-17:05

2 stops34h 27m

$2,057

PerthChicago

PER - ORD

PERORD

Perth

Fri 9/5

10:30-23:59

2 stops26h 29m

Chicago O'Hare Intl

Fri 16/5

17:38-11:15

2 stops28h 37m

$2,076

PerthChicago

PER - ORD

PERORD

Perth

Tue 9/9

12:25-15:45

2 stops40h 20m

Chicago O'Hare Intl

Mon 6/10

01:05-22:40

2 stops32h 35m

$2,203

PerthChicago

PER - ORD

PERORD

Perth

Tue 9/9

23:55-21:59

3 stops35h 04m

Chicago O'Hare Intl

Tue 7/10

10:00-20:30

3 stops45h 30m

$2,414

PerthChicago

PER - ORD

PERORD

Perth

Tue 9/9

11:15-08:40

2 stops34h 25m

Chicago O'Hare Intl

Tue 7/10

17:45-20:00

1 stop37h 15m

$2,944

PerthChicago

PER - ORD

PERORD

Perth

Fri 9/5

22:20-15:45

1 stop30h 25m

Chicago O'Hare Intl

Fri 16/5

20:35-00:40

1 stop39h 05m

$3,011

PerthChicago

PER - ORD

PERORD

Perth

Thu 8/5

00:10-14:25

1 stop27h 15m

Chicago O'Hare Intl

Fri 16/5

16:00-07:45

1 stop26h 45m

$3,197

PerthChicago

PER - ORD

PERORD

Perth

Tue 9/9

22:45-15:05

1 stop29h 20m

Chicago O'Hare Intl

Tue 7/10

19:20-11:55

1 stop27h 35m

$3,243

PerthChicago

PER - ORD

PERORD

Perth

Fri 29/8

01:10-20:03

2 stops31h 53m

Chicago O'Hare Intl

Tue 30/9

13:35-12:30

2 stops33h 55m

$4,741

PerthChicago

PER - ORD

PERORD

Perth

Thu 31/7

00:10-17:25

2 stops54h 15m

Chicago O'Hare Intl

Sat 30/8

21:30-00:40

2 stops38h 10m

$4,981

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 21 results
1
2
3

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 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 26 March 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 26 March 2025.
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Japan Airlines
8.3
Very Good
1,440 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
ANA
8.3
Very Good
828 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Singapore Airlines
8.1
Very Good
1,284 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Emirates
8.0
Very Good
3,190 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Finnair
7.6
Good
1,267 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

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.

  • What are the cheapest airlines to fly from Perth to Illinois one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $1,567. Qantas Airways flights start at $1,573 while deals on Japan Airlines start at $1,667 one-way.

  • 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.

Alternative routes for Perth to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Newark flights
Perth to LaGuardia flights
Perth to Los Angeles flights
Perth to John F Kennedy Intl flights
Perth to Boston flights
Perth to Ontario flights
Perth to Hobby flights
Perth to Honolulu flights
Perth to George Bush Intcntl flights
Perth to San Francisco flights
Perth to Dallas/Fort Worth flights
Perth to Las Vegas flights
Perth to Seattle flights
Perth to San Jose flights
Perth to Miami flights
Perth to Detroit flights
Perth to O'Hare Intl flights
Perth to Orlando flights
Perth to Kailua-Kona flights
Perth to Minneapolis flights
Perth to San Diego flights
Perth to Dulles Intl flights
Perth to Philadelphia flights
Perth to Baltimore flights
Perth to Denver flights
Perth to Atlanta flights
Perth to New Orleans flights
Perth to Reagan-National flights
Perth to Kahului flights
Perth to Portland flights
Perth to Fort Lauderdale flights
Perth to Cleveland flights
Perth to Anchorage flights
Perth to Indianapolis flights
Perth to Salt Lake City flights
Perth to Long Beach flights
Perth to Des Moines flights
Perth to San Antonio flights
Perth to Charlotte flights
Perth to Sacramento flights
Perth to Santa Rosa flights

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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,808Average$2,469FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$1,955Average$2,398FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Japan AirlinesCheapest$2,104Average$2,627FlexibilityNo 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.

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.