Cheap flights from Philadelphia to Perth from $2,167

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Perth departing on 13/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:42 - 13:50
PHL
-
PER
34h 08m2 stops
Multiple Airlines Logo
22:40 - 23:50
PER
-
PHL
37h 10m2 stops
$2,167Multiple Airlines
Fri, 13 Mar - Mon, 23 Mar
Qatar Airways Logo
20:50 - 18:45
PHL
-
PER
33h 55m1 stop
Qatar Airways Logo
22:45 - 09:00
PER
-
PHL
46h 15m1 stop
$2,305Qatar Airways
Fri, 13 Mar - Mon, 23 Mar
Qatar Airways Logo
20:50 - 18:45
PHL
-
PER
33h 55m1 stop
Qatar Airways Logo
15:55 - 19:03
PER
-
PHL
39h 08m2 stops
$2,319Qatar Airways
Fri, 13 Mar - Mon, 23 Mar
Multiple Airlines Logo
15:42 - 13:50
PHL
-
PER
34h 08m2 stops
Multiple Airlines Logo
23:10 - 08:09
PER
-
PHL
44h 59m3 stops
$2,520Multiple Airlines
Fri, 13 Mar - Mon, 23 Mar
Multiple Airlines Logo
18:35 - 12:25
PHL
-
PER
28h 50m2 stops
Multiple Airlines Logo
22:55 - 16:14
PER
-
PHL
30h 19m2 stops
$2,650Multiple Airlines
Thu, 15 Jan - Sun, 15 Feb
Qatar Airways Logo
19:55 - 18:45
PHL
-
PER
33h 50m1 stop
Qatar Airways Logo
22:45 - 22:45
PER
-
PHL
37h 00m2 stops
$2,653Qatar Airways
Mon, 2 Mar - Thu, 5 Mar
Multiple Airlines Logo
18:35 - 12:25
PHL
-
PER
28h 50m2 stops
Multiple Airlines Logo
08:00 - 23:48
PER
-
PHL
28h 48m2 stops
$2,695Multiple Airlines
Tue, 13 Jan - Sat, 24 Jan
Qatar Airways Logo
11:35 - 11:55
PHL
-
PER
35h 20m2 stops
Qatar Airways Logo
22:45 - 09:00
PER
-
PHL
47h 15m1 stop
$2,755Qatar Airways
Tue, 13 Jan - Sat, 24 Jan
Qatar Airways Logo
19:55 - 18:45
PHL
-
PER
33h 50m1 stop
Qatar Airways Logo
22:45 - 09:30
PER
-
PHL
47h 45m1 stop
$2,809Qatar Airways
Mon, 2 Mar - Thu, 5 Mar
Qantas Airways Logo
11:35 - 19:45
PHL
-
PER
43h 10m2 stops
Qantas Airways Logo
22:55 - 23:37
PER
-
PHL
37h 42m2 stops
$2,814Qantas Airways
Mon, 2 Mar - Thu, 5 Mar

Qantas Airways flights from Philadelphia to Perth

Our best Qantas Airways deals on Philadelphia to Perth flight tickets
Qantas Airways
2 Mar
PHL11:35Philadelphia
43h 10m
2 stops
PER19:45Perth
5 Mar
PER22:55Perth
37h 42m
2 stops
PHL23:37Philadelphia
Qantas Airways
2 Mar
PHL11:35Philadelphia
33h 20m
2 stops
PER09:55Perth
5 Mar
PER08:00Perth
28h 37m
2 stops
PHL23:37Philadelphia

United Airlines flights from Philadelphia to Perth

Our best United Airlines deals on Philadelphia to Perth flight tickets
United Airlines
2 Mar
PHL18:20Philadelphia
31h 25m
2 stops
PER14:45Perth
5 Mar
PER23:45Perth
36h 45m
3 stops
PHL23:30Philadelphia
United Airlines
2 Mar
PHL18:20Philadelphia
31h 25m
2 stops
PER14:45Perth
5 Mar
PER22:55Perth
37h 35m
3 stops
PHL23:30Philadelphia

momondo 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, momondo users made 78,305 searches. Data last updated 8 December 2025.
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

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 13/3

15:42-13:50

2 stops34h 08m

Perth

Mon 23/3

22:40-23:50

2 stops37h 10m

$2,167

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 13/3

20:50-18:45

1 stop33h 55m

Perth

Mon 23/3

22:45-09:00

1 stop46h 15m

$2,305

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 13/3

20:50-18:45

1 stop33h 55m

Perth

Mon 23/3

15:55-19:03

2 stops39h 08m

$2,319

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 13/3

15:42-13:50

2 stops34h 08m

Perth

Mon 23/3

23:10-08:09

3 stops44h 59m

$2,520

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 15/1

18:35-12:25

2 stops28h 50m

Perth

Sun 15/2

22:55-16:14

2 stops30h 19m

$2,650

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 2/3

19:55-18:45

1 stop33h 50m

Perth

Thu 5/3

22:45-22:45

2 stops37h 00m

$2,653

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 13/1

18:35-12:25

2 stops28h 50m

Perth

Sat 24/1

08:00-23:48

2 stops28h 48m

$2,695

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 13/1

11:35-11:55

2 stops35h 20m

Perth

Sat 24/1

22:45-09:00

1 stop47h 15m

$2,755

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 2/3

19:55-18:45

1 stop33h 50m

Perth

Thu 5/3

22:45-09:30

1 stop47h 45m

$2,809

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 2/3

11:35-19:45

2 stops43h 10m

Perth

Thu 5/3

22:55-23:37

2 stops37h 42m

$2,814

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Philadelphia to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Philadelphia to Perth (PHL to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Perth

Fastest flight time

28h 50m

Direct flights

None
The fastest flight from Philadelphia to Perth takes 28h 50m
There are no direct flights from Philadelphia to Perth. There are no popular flight routes from Philadelphia to Perth.
  • How far is Philadelphia to Perth by plane?

    The straight-line distance from Philadelphia to Perth is 18671.8 km. In terms of flight time, this usually takes a little over 28h 50m.

  • When did momondo last update prices for flights from Philadelphia Airport to Perth Airport?

    Prices for flights from Philadelphia Airport to Perth Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Philadelphia Airport to Perth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Philadelphia to Perth?

    Confirm your travel details to search for the latest offers for flights from Philadelphia to Perth. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Philadelphia to Perth with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Perth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Perth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Perth for you.

Can I find flights from Philadelphia to Perth with flexible booking policies on momondo?

All flight searches from Philadelphia to Perth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Perth?

momondo helps you find the best flight between Philadelphia and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Perth right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Perth from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Wed 7/1
Wed 14/1

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