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$738+ Cheap flights from O'Hare Intl (ORD) 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PER
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Perth

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 July 29, 2025.

Round-trip from

$1,048
(Trip.com)

One-way from

$738
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$1,772
From Chicago O'Hare Intl to Perth
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One-way flight from Chicago O'Hare Intl to Perth
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Highest demand for flights based on searches. 5% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from O'Hare Intl to Perth

Cheapest flights from O'Hare Intl to Perth
Explore the most affordable flight options available from O'Hare Intl to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:40 pmORD - PER
2 stops47h 40mMultiple Airlines
Tue 11/115:35 amPER - ORD
2 stops45h 25mMultiple Airlines
Deal found 7/28$1,048
This oojo deal was found by Cheapflights users on 7/27. 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.
Tue 9/97:20 pmORD - PER
1 stop27h 35mQatar Airways
Tue 9/2310:45 pmPER - ORD
1 stop29h 20mQatar Airways
Deal found 7/27$1,329
This Air Canada deal was found by Cheapflights users on 7/29. 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 8/133:40 pmORD - PER
2 stops36h 20mAir Canada
Wed 8/205:15 pmPER - ORD
2 stops34h 39mAir Canada
Deal found 7/29$1,349
This oojo deal was found by Cheapflights users on 7/28. 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 9/103:52 pmORD - PER
2 stops50h 33mPhilippine Airlines
Mon 9/228:45 amPER - ORD
2 stops40h 33mPhilippine Airlines
Deal found 7/28$1,431
This eDestinos deal was found by Cheapflights users on 7/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:00 pmORD - PER
1 stop41h 40mCathay Pacific
Wed 9/1712:10 amPER - ORD
1 stop27h 15mCathay Pacific
Deal found 7/28$1,456

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 July 29, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Perth that are best for you.

Fly from

O'Hare Intl

Fly to

Perth

Route

Depart

Return

Price

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Sun 11/2

2:40 pm-4:20 am

2 stops47h 40m

Perth

Tue 11/11

5:35 am-1:00 pm

2 stops45h 25m

$1,048

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Tue 9/9

7:20 pm-11:55 am

1 stop27h 35m

Perth

Tue 9/23

10:45 pm-3:05 pm

1 stop29h 20m

$1,329

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 8/13

3:40 pm-5:00 pm

2 stops36h 20m

Perth

Wed 8/20

5:15 pm-2:54 pm

2 stops34h 39m

$1,349

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Wed 9/10

3:52 pm-7:25 am

2 stops50h 33m

Perth

Mon 9/22

8:45 am-12:18 pm

2 stops40h 33m

$1,431

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 9/11

4:00 pm-10:40 pm

1 stop41h 40m

Perth

Wed 9/17

12:10 am-2:25 pm

1 stop27h 15m

$1,456

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 8/18

7:20 pm-11:55 am

1 stop27h 35m

$738

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 8/18

7:03 pm-7:25 am

2 stops47h 22m

$793

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 8/18

1:55 pm-12:40 am

2 stops45h 45m

$880

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Mon 8/18

4:15 pm-12:55 am

3 stops43h 40m

$1,594

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 8/21

4:00 pm-10:40 pm

1 stop41h 40m

$5,330

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from O'Hare Intl to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from O'Hare Intl 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 O'Hare Intl Airport to Perth

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Perth?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,455). Flying from Chicago O'Hare Intl Airport 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 ORD to PER?

Find hourly flight availability from O'Hare Intl 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 July 29, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Perth in the evening. Doing so could potentially save you 3% 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 July 29, 2025.
See what other customers who have flown with KLM, Cathay Pacific, and Qatar Airways from Chicago O'Hare Intl Airport to Perth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Cathay Pacific
7.6
Good
948 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,609 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Philippine Airlines
7.2
Good
894 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,826 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Located just 6.3 mi from the city center, Perth is the airport most travelers will use when flying to Perth from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 2 different airlines.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Perth round-trip?

    According to our current data, Qatar Airways ($1,329), Air Canada ($1,349), and Philippine Airlines ($1,431) offers the cheapest pricing from Chicago O'Hare Intl Airport to Perth. Qatar Airways is 19% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Perth one-way?

    To fly one-way, consider booking your trip with Qatar Airways, which is currently one of the cheapest options available, starting at $738. Philippine Airlines flights start at $793 while deals on KLM start at $1,594 one-way.

  • Can I find deals for flights from O'Hare Intl to Perth that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Perth?

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

  • Can I find deals for business class flights from O'Hare Intl to Perth?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Perth?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Perth (average of $1,455). Flying from Chicago O'Hare Intl Airport 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 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 O'Hare Intl to Perth

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

Top 2 airlines flying from O'Hare Intl to Perth

Discover the top 2 airlines that operate flights from O'Hare Intl 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,191Average$1,522FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,470Average$1,564FlexibilityNo cancel feeOn-time72%

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