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Perth

$772+ Cheap flights from Chicago (CHI) 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PER
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Chicago to Perth

Cheapest flights from Chicago to Perth
Explore the most affordable flight options available from Chicago to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:35 pmORD - PER
1 stop42h 20mCathay Pacific
Sun 1/118:30 amPER - ORD
1 stop42h 25mCathay Pacific
Deal found 12/21$1,970
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:50 pmORD - PER
1 stop27h 05mQatar Airways
Sun 1/1111:45 pmPER - ORD
2 stops52h 45mQatar Airways
Deal found 12/21$2,529
This oojo deal was found by Cheapflights users on 12/22. 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 12/277:22 pmORD - PER
2 stops31h 58mQantas Airways
Sun 1/1110:45 pmPER - ORD
2 stops32h 04mQantas Airways
Deal found 12/22$2,561
This Expedia deal was found by Cheapflights users on 12/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amORD - PER
2 stops39h 55mMultiple Airlines
Wed 12/3110:30 amPER - ORD
2 stops35h 05mMultiple Airlines
Deal found 12/23$2,722
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Wed 12/242:00 pmORD - PER
3 stops34h 30mAir Canada
Wed 12/3110:55 pmPER - ORD
3 stops37h 10mAir Canada
Deal found 12/23$3,008
This Air Canada deal was found by Cheapflights users on 12/22. 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.
Sat 12/271:13 pmORD - PER
3 stops35h 17mAir Canada
Sun 1/1110:30 pmPER - ORD
2 stops30h 11mAir Canada
Deal found 12/22$3,442

Find flight deals from Chicago to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,421
(oojo)

One-way from

$772
(oojo)

Popular in

September

Cheapest in

February

Average price

$2,246
Provider with most accurate pricing for Chicago (CHI)-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Perth flights.
Search Deals
From Chicago (CHI) to Perth
Search Deals
One-way flight from Chicago (CHI) to Perth
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($288 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 December 23, 2025.
Use the filters below to find and compare flights from Chicago to Perth that are best for you.

Fly from

Chicago

Fly to

Perth

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 3/23

7:24 pm-5:25 am

2 stops45h 01m

Perth

Mon 3/30

1:45 pm-6:26 pm

2 stops41h 41m

$1,421

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 1/21

1:15 pm-7:45 am

2 stops28h 30m

Perth

Wed 1/28

10:55 pm-2:57 pm

2 stops30h 02m

$1,542

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 2/4

9:40 am-11:55 pm

3 stops48h 15m

Perth

Wed 2/11

5:05 pm-4:33 pm

2 stops37h 28m

$1,618

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 2/4

9:40 am-11:55 pm

3 stops48h 15m

Perth

Wed 2/11

1:50 pm-11:21 pm

3 stops47h 31m

$1,664

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 5/3

3:40 pm-3:45 pm

2 stops35h 05m

Perth

Wed 5/20

10:40 pm-2:45 pm

2 stops29h 05m

$1,712

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 1/20

2:35 pm-6:55 am

1 stop26h 20m

Perth

Tue 3/17

12:25 am-1:55 pm

1 stop26h 30m

$1,800

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 2/5

2:35 pm-6:55 am

1 stop26h 20m

Perth

Wed 2/11

12:25 am-12:55 pm

1 stop26h 30m

$1,800

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 2/4

2:35 pm-6:55 am

1 stop26h 20m

Perth

Wed 2/11

8:30 am-12:55 pm

1 stop42h 25m

$1,800

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 5/3

7:20 pm-11:55 am

1 stop27h 35m

Perth

Wed 5/20

10:45 pm-2:50 pm

1 stop29h 05m

$1,844

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 3/31

9:28 am-7:15 am

2 stops56h 47m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 19 results
1
2

Compare providers for flights from Chicago to Perth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Perth in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Perth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Perth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Perth flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Perth

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

Currently, May is the cheapest month in which you can book a flight from Chicago to Perth (average of $1,231). Flying from Chicago to Perth in July is currently the most expensive (average of $1,615). 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 CHI to PER?

Find hourly flight availability from Chicago 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 December 23, 2025.

It’s typically best to fly out from Chicago to Perth in the evening. Doing so could potentially save you 2% on the flight price compared to flying in the morning, which is usually more expensive.

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 December 23, 2025.
Read through reviews of airlines operating flights from Chicago to Perth, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
949 reviews

Comfort

7.5

Overall

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
949 reviews
Qantas Airways
7.5
Good
949 reviews

Comfort

7.5

Overall

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Located just 6.3 mi from the city center, Perth is the airport most travelers will use when flying to Perth from Chicago. Booking flights from Chicago to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Chicago from 3 different airlines.

  • How long is the flight from Chicago to Perth?

    Departing from Chicago to Perth will take you 34h 57m. There are 10947 mi between Chicago and Perth.

  • What are the cheapest airlines flying from Chicago to Perth round-trip?

    According to our current data, Qantas Airways ($1,191), Qatar Airways ($1,229), and Cathay Pacific ($1,418) offers the cheapest pricing from Chicago to Perth. Qantas Airways is currently priced 29% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Chicago to Perth (average of $1,231). Flying from Chicago to Perth in July is currently the most expensive (average of $1,615). 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 Perth?

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

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Alternative routes for Chicago to Perth

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Perth flights
St. Louis to Perth flights
O'Hare Intl to Broome flights

Top 3 airlines flying from Chicago to Perth

Discover the top 3 airlines that operate flights from Chicago 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,191Average$1,522FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,229Average$2,092FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,418Average$1,773FlexibilityNo cancel feeOn-time72%

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