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Cheap flights from Philadelphia to Perth from $1,845

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 9/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Philadelphia to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
21:30 - 20:25
PHL
-
PER
34h 55m
2 stops
Qatar Airways Logo
22:45 - 14:30
PER
-
PHL
27h 45m
1 stop
$1,845Qatar Airways
Wed, 9 Sep - Wed, 16 Sep
Qatar Airways Logo
21:30 - 20:25
PHL
-
PER
34h 55m
2 stops
Qatar Airways Logo
22:45 - 14:30
PER
-
PHL
27h 45m
1 stop
$1,850Qatar Airways
Sun, 13 Sep - Sun, 20 Sep
Qatar Airways Logo
21:30 - 20:25
PHL
-
PER
34h 55m
2 stops
Qatar Airways Logo
22:45 - 14:30
PER
-
PHL
27h 45m
1 stop
$1,893Qatar Airways
Thu, 10 Sep - Thu, 17 Sep
Qatar Airways Logo
21:30 - 14:20
PHL
-
PER
52h 50m
2 stops
Qatar Airways Logo
22:45 - 15:05
PER
-
PHL
28h 20m
1 stop
$2,027Qatar Airways
Sun, 18 Oct - Thu, 22 Oct
Qatar Airways Logo
21:30 - 18:35
PHL
-
PER
33h 05m
1 stop
Qatar Airways Logo
13:20 - 14:30
PER
-
PHL
37h 10m
2 stops
$2,049Qatar Airways
Fri, 11 Sep - Fri, 18 Sep
Qantas Airways Logo
17:39 - 15:25
PHL
-
PER
33h 46m
2 stops
Qantas Airways Logo
10:30 - 07:04
PER
-
PHL
32h 34m
2 stops
$2,063Qantas Airways
Sun, 23 Aug - Mon, 7 Sep
Qatar Airways Logo
21:30 - 18:35
PHL
-
PER
33h 05m
1 stop
Qatar Airways Logo
07:30 - 14:30
PER
-
PHL
43h 00m
2 stops
$2,112Qatar Airways
Tue, 25 Aug - Tue, 1 Sep
Qatar Airways Logo
21:30 - 18:35
PHL
-
PER
33h 05m
1 stop
Qatar Airways Logo
22:45 - 14:30
PER
-
PHL
27h 45m
1 stop
$2,124Qatar Airways
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
21:30 - 18:35
PHL
-
PER
33h 05m
1 stop
Multiple Airlines Logo
13:20 - 14:30
PER
-
PHL
37h 10m
2 stops
$2,139Multiple Airlines
Sun, 23 Aug - Mon, 7 Sep
Qatar Airways Logo
21:30 - 20:25
PHL
-
PER
34h 55m
2 stops
Qatar Airways Logo
22:45 - 22:03
PER
-
PHL
35h 18m
2 stops
$2,169Qatar Airways
Sun, 13 Sep - Sun, 20 Sep

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Air Canada flights from Philadelphia to Perth

Our best Air Canada deals on Philadelphia to Perth flight tickets
Air Canada
10 Sept
PHL07:00Philadelphia
44h 45m
3 stops
PER15:45Perth
17 Sept
PER23:55Perth
34h 51m
3 stops
PHL22:46Philadelphia
$2,292
Air Canada
13 Sept
PHL07:00Philadelphia
46h 00m
3 stops
PER17:00Perth
20 Sept
PER23:55Perth
34h 51m
3 stops
PHL22:46Philadelphia
$2,501
Air Canada
13 Sept
PHL07:00Philadelphia
46h 00m
3 stops
PER17:00Perth
20 Sept
PER15:30Perth
54h 41m
3 stops
PHL10:11Philadelphia
$2,589

Qatar Airways flights from Philadelphia to Perth

Our best Qatar Airways deals on Philadelphia to Perth flight tickets
Qatar Airways
9 Sept
PHL21:30Philadelphia
34h 55m
2 stops
PER20:25Perth
16 Sept
PER22:45Perth
27h 45m
1 stop
PHL14:30Philadelphia
$1,845
Qatar Airways
13 Sept
PHL21:30Philadelphia
34h 55m
2 stops
PER20:25Perth
20 Sept
PER22:45Perth
27h 45m
1 stop
PHL14:30Philadelphia
$1,850
Qatar Airways
10 Sept
PHL21:30Philadelphia
34h 55m
2 stops
PER20:25Perth
17 Sept
PER22:45Perth
27h 45m
1 stop
PHL14:30Philadelphia
$1,893

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 30 July 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

Wed 9/9

21:30-20:25

2 stops34h 55m

Perth

Wed 16/9

22:45-14:30

1 stop27h 45m

$1,845

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 13/9

21:30-20:25

2 stops34h 55m

Perth

Sun 20/9

22:45-14:30

1 stop27h 45m

$1,850

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 10/9

21:30-20:25

2 stops34h 55m

Perth

Thu 17/9

22:45-14:30

1 stop27h 45m

$1,893

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 18/10

21:30-14:20

2 stops52h 50m

Perth

Thu 22/10

22:45-15:05

1 stop28h 20m

$2,027

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 11/9

21:30-18:35

1 stop33h 05m

Perth

Fri 18/9

13:20-14:30

2 stops37h 10m

$2,049

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 23/8

17:39-15:25

2 stops33h 46m

Perth

Mon 7/9

10:30-07:04

2 stops32h 34m

$2,063

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 25/8

21:30-18:35

1 stop33h 05m

Perth

Tue 1/9

07:30-14:30

2 stops43h 00m

$2,112
Fastest return journey

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 10/9

21:30-18:35

1 stop33h 05m

Perth

Thu 17/9

22:45-14:30

1 stop27h 45m

$2,124

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 23/8

21:30-18:35

1 stop33h 05m

Perth

Mon 7/9

13:20-14:30

2 stops37h 10m

$2,139

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 13/9

21:30-20:25

2 stops34h 55m

Perth

Sun 20/9

22:45-22:03

2 stops35h 18m

$2,169

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

33h 05m

Direct flights

None
The fastest flight from Philadelphia to Perth takes 33h 05m
There are no direct flights from Philadelphia to Perth. There are no popular flight routes from Philadelphia to Perth.
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Frequently asked questions about flying 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 33h 05m.

  • 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.

Frequently asked questions about flying from Philadelphia to Perth

  • 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
Mandurah
Fremantle
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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