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Cheap flights from Philadelphia to Perth from $2,391

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — PER
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Philadelphia to Perth
Explore the most affordable flight options available from Philadelphia to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Mon 22/1219:40PHL - PER
1 stop34h 05mMultiple Airlines
Tue 6/116:35PER - PHL
1 stop29h 25mMultiple Airlines
Deal found 9/12$12,081
Mon 22/1215:08PHL - PER
2 stops31h 47mQatar Airways
Tue 6/122:45PER - PHL
2 stops32h 38mQatar Airways
Deal found 9/12$13,664
Mon 22/1207:50PHL - PER
3 stops41h 40mAir Canada
Tue 6/122:55PER - PHL
3 stops36h 51mAir Canada
Deal found 9/12$32,210

Find flight deals from Philadelphia to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 12 December 2025.

Round-trip from

$2,391
Qantas Airways
  • Qantas Airways
  • 25/1-1/2
  • 4 total stops
  • 63h 31m total
  • Philadelphia to Perth
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Philadelphia 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 647,157 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Philadelphia to Perth that are best for you.

Fly from

Philadelphia

Fly to

Perth

Route

Depart

Return

Price

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 25/1

12:08-07:45

2 stops30h 37m

Perth

Sun 1/2

11:35-07:29

2 stops32h 54m

$2,391

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 13/1

15:20-11:55

2 stops31h 35m

Perth

Sat 24/1

22:45-09:00

1 stop47h 15m

$2,496

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 2/3

19:55-18:45

1 stop33h 50m

Perth

Thu 5/3

15:55-22:45

2 stops43h 50m

$2,648

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 13/1

14:30-18:15

2 stops38h 45m

Perth

Sat 24/1

22:55-23:48

2 stops37h 53m

$2,727

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 2/3

11:35-16:15

2 stops39h 40m

Perth

Thu 5/3

23:55-23:39

2 stops36h 44m

$2,812

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 25/1

07:50-13:50

3 stops41h 00m

Perth

Sun 1/2

22:40-22:46

3 stops37h 06m

$3,201

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Best time to book a flight from Philadelphia to Perth

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

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

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $1,808). Flying from Philadelphia to Perth in June is currently the most expensive (average of $2,323). 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.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Perth?

    A quick flight from Philadelphia to Perth can take about 30h 37m. Qantas Airways provides one of the quickest options available for as low as $2,391. The distance from Philadelphia to Perth is about 18664 km. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $1,808). Flying from Philadelphia to Perth in June is currently the most expensive (average of $2,323). 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

Travelling to a place near Perth?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Perth

See prices for flight routes from nearby airports that may be better suited for you.
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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 Philadelphia to Perth?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Perth from Philadelphia today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Perth?

Cheapflights simply makes it quick and affordable to book flights from Philadelphia to Perth 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 Philadelphia to Perth with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia to Perth, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Philadelphia to Perth become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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