Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Philadelphia to Perth from $1,399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Perth departing on 10/8. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
17:40 - 22:45
PHL
-
PER
41h 05m
2 stops
Qantas Airways Logo
22:55 - 07:05
PER
-
PHL
44h 10m
2 stops
$2,173Qantas Airways
Sun, 7 Jun - Sun, 14 Jun
Qantas Airways Logo
17:35 - 17:00
PHL
-
PER
35h 25m
2 stops
Qantas Airways Logo
23:45 - 07:05
PER
-
PHL
43h 20m
2 stops
$2,252Qantas Airways
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
21:16 - 11:15
PHL
-
PER
49h 59m
3 stops
Multiple Airlines Logo
23:45 - 06:27
PER
-
PHL
42h 42m
3 stops
$2,446Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
American Airlines Logo
15:29 - 11:15
PHL
-
PER
31h 46m
2 stops
American Airlines Logo
23:45 - 20:38
PER
-
PHL
32h 53m
2 stops
$2,456American Airlines
Tue, 26 May - Tue, 2 Jun
American Airlines Logo
15:29 - 12:15
PHL
-
PER
32h 46m
2 stops
American Airlines Logo
23:45 - 20:38
PER
-
PHL
32h 53m
2 stops
$2,457American Airlines
Sun, 7 Jun - Sun, 14 Jun
American Airlines Logo
15:20 - 11:15
PHL
-
PER
31h 55m
2 stops
American Airlines Logo
10:35 - 08:06
PER
-
PHL
33h 31m
2 stops
$2,466American Airlines
Wed, 10 Jun - Wed, 17 Jun
American Airlines Logo
15:29 - 11:15
PHL
-
PER
31h 46m
2 stops
American Airlines Logo
10:00 - 07:05
PER
-
PHL
33h 05m
2 stops
$2,474American Airlines
Wed, 10 Jun - Wed, 17 Jun
United Airlines Logo
09:25 - 14:40
PHL
-
PER
41h 15m
2 stops
United Airlines Logo
23:55 - 12:25
PER
-
PHL
48h 30m
3 stops
$2,647United Airlines
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
15:25 - 11:55
PHL
-
PER
32h 30m
2 stops
Multiple Airlines Logo
22:45 - 00:58
PER
-
PHL
38h 13m
2 stops
$2,716Multiple Airlines
Sun, 24 May - Fri, 29 May
Multiple Airlines Logo
07:55 - 17:00
PHL
-
PER
45h 05m
3 stops
Multiple Airlines Logo
10:30 - 05:37
PER
-
PHL
55h 07m
3 stops
$3,131Multiple Airlines
Sun, 24 May - Fri, 29 May

American Airlines flights from Philadelphia to Perth

Our best American Airlines deals on Philadelphia to Perth flight tickets
American Airlines
26 May
PHL15:29Philadelphia
31h 46m
2 stops
PER11:15Perth
2 June
PER23:45Perth
32h 53m
2 stops
PHL20:38Philadelphia
$2,456
American Airlines
7 June
PHL15:29Philadelphia
32h 46m
2 stops
PER12:15Perth
14 June
PER23:45Perth
32h 53m
2 stops
PHL20:38Philadelphia
$2,457
American Airlines
10 June
PHL15:20Philadelphia
31h 55m
2 stops
PER11:15Perth
17 June
PER10:35Perth
33h 31m
2 stops
PHL08:06Philadelphia
$2,466

Qantas Airways flights from Philadelphia to Perth

Our best Qantas Airways deals on Philadelphia to Perth flight tickets
Qantas Airways
7 June
PHL17:40Philadelphia
41h 05m
2 stops
PER22:45Perth
14 June
PER22:55Perth
44h 10m
2 stops
PHL07:05Philadelphia
$2,173
Qantas Airways
7 June
PHL17:35Philadelphia
35h 25m
2 stops
PER17:00Perth
14 June
PER23:45Perth
43h 20m
2 stops
PHL07:05Philadelphia
$2,252
Qantas Airways
7 June
PHL17:35Philadelphia
35h 25m
2 stops
PER17:00Perth
14 June
PER08:10Perth
34h 55m
3 stops
PHL07:05Philadelphia
$3,242

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 27 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

17:40-22:45

2 stops41h 05m

Perth

Sun 14/6

22:55-07:05

2 stops44h 10m

$2,173

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 7/6

17:35-17:00

2 stops35h 25m

Perth

Sun 14/6

23:45-07:05

2 stops43h 20m

$2,252

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 7/6

21:16-11:15

3 stops49h 59m

Perth

Sun 14/6

23:45-06:27

3 stops42h 42m

$2,446
Fastest return journey

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 26/5

15:29-11:15

2 stops31h 46m

Perth

Tue 2/6

23:45-20:38

2 stops32h 53m

$2,456

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

$2,457

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

$2,466

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 10/6

15:29-11:15

2 stops31h 46m

Perth

Wed 17/6

10:00-07:05

2 stops33h 05m

$2,474

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 7/6

09:25-14:40

2 stops41h 15m

Perth

Sun 14/6

23:55-12:25

3 stops48h 30m

$2,647

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

$2,716

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 24/5

07:55-17:00

3 stops45h 05m

Perth

Fri 29/5

10:30-05:37

3 stops55h 07m

$3,131

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to Perth from

How to get the cheapest flight ticket from Philadelphia to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Perth?

Cathay Pacific and Air New Zealand are the most popular carriers operating from Philadelphia to Perth

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

32h 30m

Direct flights

None
The fastest flight from Philadelphia to Perth takes 32h 30m
There are no direct flights from Philadelphia to Perth. There are no popular flight routes from Philadelphia to Perth.
Search flight deals

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 32h 30m.

  • 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.

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.

An easier way to manage your Perth trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 27/5
Wed 3/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia