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Cheap flights from Philadelphia to Perth from $923

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — PER
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

$2,174

One-way from

$923

Popular in

June

Cheapest in

March

Average price

$2,306
Qatar Airways
  • Qatar Airways
  • 25/10-1/11
  • 2 total stops
  • 81h 30m total
  • Philadelphia to Perth
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26/10
  • 26/10
  • 3 total stops
  • 48h 38m total
  • Philadelphia to Perth
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($1,228 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($155 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to Perth

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 September 2025.

Sat 25/1020:35PHL - PER
1 stop34h 10mQatar Airways
Sat 1/1122:45PER - PHL
1 stop47h 20mQatar Airways
Deal found 10/9$2,174
Wed 8/1014:00PHL - PER
2 stops40h 40mQatar Airways
Tue 14/1022:45PER - PHL
1 stop46h 15mQatar Airways
Deal found 10/9$2,265
Sun 26/1020:35PHL - PER
1 stop34h 10mQatar Airways
Sun 2/1122:45PER - PHL
1 stop47h 20mQatar Airways
Deal found 11/9$2,304
Sat 11/1018:45PHL - PER
2 stops35h 55mQatar Airways
Sat 18/1022:45PER - PHL
1 stop46h 15mQatar Airways
Deal found 11/9$2,465

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 September 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 26/10

20:35-18:45

1 stop34h 10m

Perth

Sun 2/11

22:45-09:05

1 stop47h 20m

$2,304

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sat 11/10

18:45-18:40

2 stops35h 55m

Perth

Sat 18/10

22:45-09:00

1 stop46h 15m

$2,465

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 26/10

09:20-15:30

3 stops42h 10m

Perth

Sun 2/11

22:55-22:56

3 stops37h 01m

$3,069

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 18/12

19:50-01:35

2 stops40h 45m

Perth

Sat 10/1

03:35-09:00

2 stops42h 25m

$4,331

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 26/10

07:02-19:40

3 stops48h 38m

$923

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 5/11

07:02-04:20

3 stops56h 18m

$942

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 4/11

06:00-16:35

3 stops45h 35m

$995

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 6/11

06:00-04:20

3 stops57h 20m

$995

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 26/10

20:35-18:45

1 stop34h 10m

$1,448

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 6/11

19:40-18:45

1 stop34h 05m

$1,494

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 13 results
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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, May is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $286). Flying from Philadelphia to Perth in December is currently the most expensive (average of $409). 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 34h 10m. Qatar Airways provides one of the quickest options available for as low as $2,304. The distance from Philadelphia to Perth is about 18664 km.

  • 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, May is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $286). Flying from Philadelphia to Perth in December is currently the most expensive (average of $409). 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
Mandurah
Scarborough
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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