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Cheap flights from Philadelphia to Perth from $1,120

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — PER
29 May — 5 Jun1
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 29 April 2026.

Wed 28/1020:50
PHL
-
PER
1 stop33h 55m
Qatar Airways
Sun 1/1122:45
PER
-
PHL
1 stop47h 15m
Qatar Airways
Deal found 27/4$2,289
Tue 26/515:29
PHL
-
PER
2 stops31h 46m
American Airlines
Tue 2/623:45
PER
-
PHL
2 stops32h 53m
American Airlines
Deal found 26/4$2,446
Sun 7/615:29
PHL
-
PER
2 stops32h 46m
American Airlines
Sun 14/623:45
PER
-
PHL
2 stops32h 53m
American Airlines
Deal found 24/4$2,448
Wed 27/515:29
PHL
-
PER
2 stops31h 46m
American Airlines
Wed 3/610:35
PER
-
PHL
2 stops32h 25m
American Airlines
Deal found 27/4$2,456
Wed 10/615:29
PHL
-
PER
2 stops31h 46m
American Airlines
Wed 17/610:00
PER
-
PHL
2 stops33h 05m
American Airlines
Deal found 27/4$2,465
Tue 15/1217:00
PHL
-
PER
2 stops36h 15m
Qantas Airways
Sun 3/122:35
PER
-
PHL
2 stops34h 26m
Qantas Airways
Deal found 26/4$2,692
Sun 24/515:25
PHL
-
PER
2 stops32h 30m
Multiple Airlines
Fri 29/522:45
PER
-
PHL
2 stops38h 13m
Multiple Airlines
Deal found 24/4$2,706
Tue 15/1217:00
PHL
-
PER
2 stops41h 50m
Qantas Airways
Wed 30/1222:35
PER
-
PHL
2 stops34h 26m
Qantas Airways
Deal found 26/4$2,761
Fri 18/1215:41
PHL
-
PER
2 stops30h 34m
Qantas Airways
Thu 31/1205:00
PER
-
PHL
2 stops28h 01m
Qantas Airways
Deal found 26/4$2,834
Fri 18/1215:41
PHL
-
PER
2 stops30h 34m
Qantas Airways
Sun 3/122:35
PER
-
PHL
2 stops34h 26m
Qantas Airways
Deal found 26/4$2,929

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 29 April 2026.

Round-trip from

$2,446

One-way from

$1,120
American Airlines
  • American Airlines
  • 26/5-2/6
  • 4 total stops
  • 64h 39m total
  • Philadelphia to Perth
Search Deals
24/9
  • 24/9
  • 3 total stops
  • 45h 11m 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 29 April 2026.
Use the filters below to find and compare flights from Philadelphia to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 7/6

15:29-12:15

2 stops32h 46m

Perth

Sun 14/6

23:45-20:38

2 stops32h 53m

$2,448
Fastest return journey

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 27/5

15:29-11:15

2 stops31h 46m

Perth

Wed 3/6

10:35-07:00

2 stops32h 25m

$2,456

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 10/6

15:20-11:15

2 stops31h 55m

Perth

Wed 17/6

10:35-08:06

2 stops33h 31m

$2,456

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 24/5

15:25-11:55

2 stops32h 30m

Perth

Fri 29/5

22:45-00:58

2 stops38h 13m

$2,706

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 10/6

06:00-15:45

3 stops45h 45m

Perth

Wed 17/6

16:25-22:44

3 stops42h 19m

$3,493

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 7/6

10:25-17:00

3 stops42h 35m

Perth

Sun 14/6

16:25-22:43

3 stops42h 18m

$3,569

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 27/5

09:25-16:00

2 stops42h 35m

Perth

Wed 3/6

19:50-09:39

3 stops49h 49m

$3,711
Cheapest one-way

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 10/8

18:00-22:40

2 stops40h 40m

$1,435
Fastest single journey

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 21/9

12:40-06:50

2 stops30h 10m

$1,503

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 20/9

12:40-06:50

2 stops30h 10m

$1,594

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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.

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 32h 46m. American Airlines provides one of the quickest options available for as low as $2,448. 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.

See more FAQs

Travelling to a place near Perth?

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

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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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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