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Cheap flights from Philadelphia to Perth from $979

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — PER
27 Feb — 6 Mar1
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 28 January 2026.

Mon 23/219:40
PHL
-
PER
1 stop34h 05m
Multiple Airlines
Mon 9/322:45
PER
-
PHL
1 stop46h 15m
Multiple Airlines
Deal found 26/1$1,973
Tue 10/214:30
PHL
-
PER
2 stops32h 55m
Qantas Airways
Mon 9/322:55
PER
-
PHL
2 stops32h 30m
Qantas Airways
Deal found 26/1$2,158
Tue 10/216:45
PHL
-
PER
2 stops30h 10m
Qatar Airways
Mon 9/322:45
PER
-
PHL
1 stop46h 15m
Qatar Airways
Deal found 26/1$2,261
Thu 19/319:00
PHL
-
PER
2 stops35h 00m
Qantas Airways
Mon 23/322:55
PER
-
PHL
2 stops32h 47m
Qantas Airways
Deal found 27/1$2,343
Sun 8/320:45
PHL
-
PER
1 stop34h 00m
Qatar Airways
Wed 11/322:45
PER
-
PHL
1 stop46h 15m
Qatar Airways
Deal found 25/1$2,352
Thu 19/320:45
PHL
-
PER
1 stop34h 00m
Qatar Airways
Mon 23/315:55
PER
-
PHL
2 stops39h 29m
Qatar Airways
Deal found 27/1$2,363
Tue 3/319:40
PHL
-
PER
1 stop34h 05m
Qatar Airways
Thu 5/322:45
PER
-
PHL
1 stop47h 15m
Qatar Airways
Deal found 27/1$2,556
Sun 8/319:00
PHL
-
PER
2 stops35h 15m
Qantas Airways
Wed 11/307:10
PER
-
PHL
2 stops29h 44m
Qantas Airways
Deal found 26/1$2,705
Tue 3/316:00
PHL
-
PER
2 stops31h 25m
Qantas Airways
Thu 5/322:40
PER
-
PHL
2 stops44h 20m
Qantas Airways
Deal found 27/1$2,784

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 28 January 2026.

Round-trip from

$1,973

One-way from

$979
23/2-9/3
  • 23/2-9/3
  • 2 total stops
  • 80h 20m total
  • Philadelphia to Perth
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 59h 10m 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 28 January 2026.
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

Mon 23/2

19:40-18:45

1 stop34h 05m

Perth

Mon 9/3

22:45-09:00

1 stop46h 15m

$1,973

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 10/2

16:45-11:55

2 stops30h 10m

Perth

Mon 9/3

22:45-09:00

1 stop46h 15m

$2,261

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 19/3

19:00-18:00

2 stops35h 00m

Perth

Mon 23/3

22:55-19:42

2 stops32h 47m

$2,343

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 8/3

20:45-18:45

1 stop34h 00m

Perth

Wed 11/3

22:45-09:00

1 stop46h 15m

$2,352

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 19/3

20:45-18:45

1 stop34h 00m

Perth

Mon 23/3

15:55-19:24

2 stops39h 29m

$2,363

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 3/3

19:40-18:45

1 stop34h 05m

Perth

Thu 5/3

22:45-09:00

1 stop47h 15m

$2,556

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 8/3

19:00-18:15

2 stops35h 15m

Perth

Wed 11/3

07:10-00:54

2 stops29h 44m

$2,705

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 15/3

05:05-04:15

3 stops59h 10m

$979

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 15/5

19:17-08:10

3 stops48h 53m

$1,061

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sat 9/5

20:25-19:50

3 stops59h 25m

$1,097

Flights are sorted by cheapest return flights first.

Deals found on 28/1

Showing 1-10 of 14 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, November is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $1,733). Flying from Philadelphia to Perth in October is currently the most expensive (average of $2,267). 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 10m. Qatar Airways provides one of the quickest options available for as low as $2,261. 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 $1,733). Flying from Philadelphia to Perth in October is currently the most expensive (average of $2,267). 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
Fremantle
Mandurah
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.
John F Kennedy Intl to Perth flights
Newark to Perth flights
Reagan-National to Perth flights
Pittsburgh to Perth flights

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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