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Perth

$573+ Cheap flights from Illinois to Perth (PER)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Perth

Keep the following information in mind while searching for Illinois to Perth flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,169
(Gurufare)

One-way from

$573
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,184
Provider with most accurate pricing for Chicago (CHI)-Perth flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Perth flights.
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From Illinois to Perth
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One-way flight from Illinois to Perth
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Highest demand for flights based on searches. 10% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Illinois to Perth

Cheapest flights from Illinois to Perth
Explore the most affordable flight options available from Illinois to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/241:10 pmORD - PER
3 stops34h 10mMultiple Airlines
Mon 3/1011:10 pmPER - ORD
3 stops42h 35mMultiple Airlines
Deal found 2/20$1,158
This Gurufare deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/242:13 pmORD - PER
2 stops32h 27mQantas Airways
Mon 3/2410:40 pmPER - ORD
2 stops35h 26mQantas Airways
Deal found 2/19$1,166
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/43:18 pmORD - PER
2 stops30h 57mAmerican Airlines
Fri 4/1111:50 pmPER - ORD
2 stops29h 06mAmerican Airlines
Deal found 2/20$1,355
This SmartFares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/242:40 pmORD - PER
1 stop28h 55mCathay Pacific
Mon 3/1012:15 amPER - ORD
1 stop26h 45mCathay Pacific
Deal found 2/19$1,403
This Gurufare deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2510:30 amORD - PER
1 stop44h 00mANA
Mon 3/109:55 pmPER - ORD
2 stops35h 30mANA
Deal found 2/19$1,512
This Air New Zealand deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:42 pmSTL - PER
3 stops37h 18mMultiple Airlines
Sun 8/38:05 amPER - STL
2 stops27h 10mMultiple Airlines
Deal found 2/20$1,581
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:44 amSTL - PER
2 stops47h 01mQatar Airways
Wed 3/2610:45 pmPER - STL
2 stops38h 14mQatar Airways
Deal found 2/19$1,667
This Air Canada deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/172:00 pmORD - PER
3 stops38h 00mAir Canada
Sat 8/301:15 pmPER - ORD
2 stops38h 34mAir Canada
Deal found 2/19$1,710
This Gurufare deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:09 amSTL - PER
2 stops47h 36mAir New Zealand
Sun 8/38:05 amPER - STL
2 stops27h 10mAir New Zealand
Deal found 2/20$1,728
This oojo deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/222:10 pmORD - PER
2 stops40h 55mEtihad Airways
Sat 3/2911:20 amPER - ORD
2 stops58h 35mEtihad Airways
Deal found 2/20$1,759
This BYOjet deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:52 amSTL - PER
2 stops35h 53mCathay Pacific
Thu 6/512:10 amPER - STL
2 stops35h 48mCathay Pacific
Deal found 2/19$1,812
This Air Canada deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:30 amSTL - PER
3 stops43h 15mAir Canada
Fri 6/611:55 pmPER - STL
3 stops49h 41mAir Canada
Deal found 2/19$1,815

Find flights from Illinois to Perth within your budget

Customize your flight search to find flights from Illinois to Perth 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Illinois

Fly to

Perth

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 2/24

1:10 pm-1:20 pm

3 stops34h 10m

Perth

Mon 3/10

11:10 pm-4:45 am

3 stops42h 35m

$1,158

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 2/24

2:13 pm-12:40 pm

2 stops32h 27m

Perth

Mon 3/24

10:40 pm-9:06 pm

2 stops35h 26m

$1,166

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Fri 4/4

3:18 pm-11:15 am

2 stops30h 57m

Perth

Fri 4/11

11:50 pm-3:56 pm

2 stops29h 06m

$1,355

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 2/24

2:40 pm-9:35 am

1 stop28h 55m

Perth

Mon 3/10

12:15 am-2:00 pm

1 stop26h 45m

$1,403

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 2/25

10:30 am-8:30 pm

1 stop44h 00m

Perth

Mon 3/10

9:55 pm-8:25 pm

2 stops35h 30m

$1,512

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 5/24

1:42 pm-4:00 pm

3 stops37h 18m

Perth

Sun 8/3

8:05 am-10:15 pm

2 stops27h 10m

$1,581

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Wed 3/19

6:44 am-6:45 pm

2 stops47h 01m

Perth

Wed 3/26

10:45 pm-11:59 pm

2 stops38h 14m

$1,667

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 5/24

6:09 am-6:45 pm

2 stops47h 36m

Perth

Sun 8/3

8:05 am-10:15 pm

2 stops27h 10m

$1,728

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sat 3/22

2:10 pm-8:05 pm

2 stops40h 55m

Perth

Sat 3/29

11:20 am-8:55 am

2 stops58h 35m

$1,759

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 5/12

6:52 am-7:45 am

2 stops35h 53m

Perth

Thu 6/5

12:10 am-10:58 pm

2 stops35h 48m

$1,812

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Illinois to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Illinois with our price prediction graph.
Estimated round-trip 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 Illinois to Perth

Get recent, data-driven insights about flights from Illinois to Perth including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Perth?

Currently, February is the cheapest month in which you can book a flight from Illinois to Perth (average of $1,460). Flying from Illinois to Perth in December is currently the most expensive (average of $2,172). 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 IL to PER?

Find hourly flight availability from Illinois to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Illinois to Perth, 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 Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. 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 Perth. Reviews last updated February 20, 2025.
See what other customers who have flown with Singapore Airlines, Cathay Pacific and Qatar Airways from Illinois to Perth have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,299 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Singapore Airlines
8.1
Very good
1,299 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Cathay Pacific
7.5
Good
821 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Qatar Airways
7.4
Good
3,609 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Qantas Airways
7.4
Good
814 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

United Airlines
7.4
Good
8,766 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Perth. 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 into for flights to Perth from Illinois?

    If you book a flight to Perth from Illinois, you will be flying to Perth, which is the city’s only airport. Perth (PER) is located 6.3 mi from the center of Perth.

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

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $669. Cathay Pacific flights start at $1,052 while deals on Qatar Airways start at $1,311 one-way.

  • Can I find deals for flights from Illinois to Perth that include hotel bookings?

    Yes. In addition to deals on Illinois to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Perth.

  • Can I find deals for business class flights from Illinois to Perth?

    Yes. Cheapflights offers flight deals from Illinois to Perth 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 Illinois to Perth?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Perth (average of $1,460). Flying from Illinois to Perth in December is currently the most expensive (average of $2,172). 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

Traveling to a place near Illinois?

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Mandurah
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Alternative routes for Illinois to Perth

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Top 4 airlines flying from Illinois to Perth

Discover the top 4 airlines that operate flights from Illinois to Perth. 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,224Average$1,486FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,305Average$1,482FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$1,421Average$1,706FlexibilityNo cancel feeOn-time81%
Air New ZealandCheapest$1,484Average$1,518FlexibilityNo cancel feeOn-time78%
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