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Perth

$580+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Perth (PER). 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 January 21, 2025.

Round-trip from

$1,181
(Mytrip)

One-way from

$580
(Trip.com)
From Illinois to Perth
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One-way flight from Illinois to Perth
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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 January 21, 2025.

This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:45 pmORD - PER
2 stops30h 30mQantas Airways
Tue 11/115:30 amPER - ORD
2 stops31h 30mQantas Airways
Deal found 1/20$1,179
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Tue 3/45:15 amORD - PER
3 stops36h 30mMultiple Airlines
Tue 3/112:45 pmPER - ORD
3 stops45h 21mMultiple Airlines
Deal found 1/20$1,181
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 3/43:19 pmORD - PER
2 stops29h 51mAmerican Airlines
Tue 3/111:00 pmPER - ORD
2 stops29h 04mAmerican Airlines
Deal found 1/20$1,241
This SmartFares deal was found by Cheapflights users on 1/21. 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.
Tue 3/42:40 pmORD - PER
1 stop42h 05mCathay Pacific
Mon 3/1012:15 amPER - ORD
1 stop26h 45mCathay Pacific
Deal found 1/21$1,436
This Gurufare deal was found by Cheapflights users on 1/21. 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 10/209:00 pmORD - PER
2 stops37h 55mSingapore Airlines
Mon 11/101:10 amPER - ORD
2 stops29h 09mSingapore Airlines
Deal found 1/21$1,556
This Air Canada deal was found by Cheapflights users on 1/21. 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 10/203:40 pmORD - PER
2 stops35h 30mAir Canada
Tue 11/1110:55 pmPER - ORD
3 stops34h 37mAir Canada
Deal found 1/21$1,720
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:10 pmSTL - PER
2 stops29h 25mAir New Zealand
Sun 8/38:05 amPER - STL
2 stops25h 16mAir New Zealand
Deal found 1/21$1,983
This Air New Zealand deal was found by Cheapflights users on 1/21. 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 5/241:30 pmSTL - PER
3 stops37h 30mMultiple Airlines
Sun 8/38:05 amPER - STL
2 stops25h 16mMultiple Airlines
Deal found 1/21$2,141
This United deal was found by Cheapflights users on 1/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:09 amSTL - PER
2 stops34h 01mUnited Airlines
Sat 8/21:10 amPER - STL
2 stops40h 48mUnited Airlines
Deal found 1/21$2,516

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 January 21, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/4

5:15 am-7:45 am

3 stops36h 30m

Perth

Tue 3/11

2:45 pm-11:06 pm

3 stops45h 21m

$1,181

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/4

2:13 pm-11:10 am

2 stops30h 57m

Perth

Tue 3/11

7:30 am-9:06 pm

2 stops26h 36m

$1,198

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/4

3:19 pm-11:10 am

2 stops29h 51m

Perth

Tue 3/11

1:00 pm-5:04 am

2 stops29h 04m

$1,241

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/4

2:40 pm-10:45 pm

1 stop42h 05m

Perth

Mon 3/10

12:15 am-2:00 pm

1 stop26h 45m

$1,436

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/4

7:00 pm-5:25 am

2 stops44h 25m

Perth

Mon 3/10

1:10 am-6:00 pm

2 stops29h 50m

$1,750

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 2/10

3:40 pm-9:35 pm

2 stops39h 55m

Perth

Thu 2/20

10:55 pm-7:37 pm

3 stops34h 42m

$1,768

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 5/24

7:10 pm-1:35 pm

2 stops29h 25m

Perth

Sun 8/3

8:05 am-8:21 pm

2 stops25h 16m

$1,983

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 5/24

1:30 pm-4:00 pm

3 stops37h 30m

Perth

Sun 8/3

8:05 am-8:21 pm

2 stops25h 16m

$2,141

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 5/24

6:09 am-5:10 am

2 stops34h 01m

Perth

Sat 8/2

1:10 am-4:58 am

2 stops40h 48m

$2,516

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 2/10

5:40 pm-9:40 pm

2 stops38h 00m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 14 results
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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, October is the cheapest month in which you can book a flight from Illinois to Perth (average of $1,511). 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 January 21, 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 January 21, 2025.
Singapore Airlines
8.1
Very good
1,328 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 10

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
1,328 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 10

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.

Air New Zealand
7.9
Good
483 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 10

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
7.5
Good
3,752 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 10

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
7.5
Good
824 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 10

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
830 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 10

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 American Airlines, which is currently one of the cheapest options available, starting at $606. Qatar Airways flights start at $884 while deals on Cathay Pacific start at $966 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, October is the cheapest month in which you can book a flight from Illinois to Perth (average of $1,511). 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?

Book flights to Illinois if you plan to visit one of these locations
Mandurah
Fremantle
Rottnest Island
Scarborough

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Alternative routes for Illinois to Perth

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,224Average$1,486FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,305Average$1,487FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$1,421Average$1,704FlexibilityNo cancel feeOn-time81%
Air New ZealandCheapest$1,484Average$1,576FlexibilityNo cancel feeOn-time78%
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