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Cheap flights from Philadelphia to Perth from $2,500

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 27/7. 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.
American Airlines Logo
15:35 - 11:15
PHL
-
PER
31h 40m
2 stops
American Airlines Logo
23:45 - 20:09
PER
-
PHL
32h 24m
2 stops
$2,500American Airlines
Mon, 27 Jul - Tue, 4 Aug
American Airlines Logo
15:35 - 12:05
PHL
-
PER
32h 30m
2 stops
American Airlines Logo
23:45 - 20:40
PER
-
PHL
32h 55m
2 stops
$2,513American Airlines
Mon, 6 Jul - Sun, 12 Jul
American Airlines Logo
18:01 - 13:35
PHL
-
PER
31h 34m
2 stops
American Airlines Logo
23:45 - 18:34
PER
-
PHL
30h 49m
2 stops
$2,522American Airlines
Mon, 27 Jul - Tue, 4 Aug
American Airlines Logo
17:35 - 13:35
PHL
-
PER
32h 00m
2 stops
American Airlines Logo
22:35 - 17:18
PER
-
PHL
31h 43m
2 stops
$2,535American Airlines
Wed, 30 Sep - Mon, 30 Nov
Qantas Airways Logo
18:01 - 17:00
PHL
-
PER
34h 59m
2 stops
Qantas Airways Logo
10:30 - 05:43
PER
-
PHL
31h 13m
2 stops
$2,567Qantas Airways
Thu, 9 Jul - Tue, 28 Jul
Multiple Airlines Logo
18:23 - 14:40
PHL
-
PER
32h 17m
2 stops
Multiple Airlines Logo
23:05 - 17:17
PER
-
PHL
30h 12m
2 stops
$2,630Multiple Airlines
Mon, 27 Jul - Mon, 3 Aug
United Airlines Logo
09:25 - 12:30
PHL
-
PER
39h 05m
2 stops
United Airlines Logo
23:45 - 05:31
PER
-
PHL
41h 46m
3 stops
$2,646United Airlines
Mon, 27 Jul - Sun, 2 Aug
United Airlines Logo
09:25 - 14:40
PHL
-
PER
41h 15m
2 stops
United Airlines Logo
17:15 - 17:17
PER
-
PHL
36h 02m
2 stops
$2,647United Airlines
Tue, 28 Jul - Mon, 3 Aug
Multiple Airlines Logo
18:23 - 12:30
PHL
-
PER
30h 07m
2 stops
Multiple Airlines Logo
18:10 - 05:31
PER
-
PHL
47h 21m
3 stops
$2,649Multiple Airlines
Mon, 27 Jul - Tue, 4 Aug
United Airlines Logo
18:23 - 12:30
PHL
-
PER
30h 07m
2 stops
United Airlines Logo
18:10 - 05:31
PER
-
PHL
47h 21m
3 stops
$2,656United Airlines
Mon, 27 Jul - Mon, 3 Aug

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Qantas Airways flights from Philadelphia to Perth

Our best Qantas Airways deals on Philadelphia to Perth flight tickets
Qantas Airways
9 July
PHL18:01Philadelphia
34h 59m
2 stops
PER17:00Perth
28 July
PER10:30Perth
31h 13m
2 stops
PHL05:43Philadelphia
$2,567
Qantas Airways
7 July
PHL18:01Philadelphia
34h 59m
2 stops
PER17:00Perth
26 July
PER10:30Perth
31h 13m
2 stops
PHL05:43Philadelphia
$2,690
Qantas Airways
7 July
PHL18:01Philadelphia
34h 59m
2 stops
PER17:00Perth
29 July
PER10:35Perth
32h 25m
2 stops
PHL07:00Philadelphia
$2,711

United Airlines flights from Philadelphia to Perth

Our best United Airlines deals on Philadelphia to Perth flight tickets
United Airlines
30 Sept
PHL18:34Philadelphia
29h 56m
2 stops
PER12:30Perth
30 Nov
PER22:55Perth
52h 27m
3 stops
PHL14:22Philadelphia
$2,677
United Airlines
7 July
PHL09:25Philadelphia
41h 15m
2 stops
PER14:40Perth
26 July
PER23:45Perth
41h 46m
3 stops
PHL05:31Philadelphia
$2,807
United Airlines
6 July
PHL09:25Philadelphia
39h 05m
2 stops
PER12:30Perth
12 July
PER23:45Perth
41h 46m
3 stops
PHL05:31Philadelphia
$2,817

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 11 June 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

Mon 27/7

15:35-11:15

2 stops31h 40m

Perth

Tue 4/8

23:45-20:09

2 stops32h 24m

$2,500

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 6/7

15:35-12:05

2 stops32h 30m

Perth

Sun 12/7

23:45-20:40

2 stops32h 55m

$2,513
Fastest return journey

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 27/7

18:01-13:35

2 stops31h 34m

Perth

Tue 4/8

23:45-18:34

2 stops30h 49m

$2,522

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 30/9

17:35-13:35

2 stops32h 00m

Perth

Mon 30/11

22:35-17:18

2 stops31h 43m

$2,535

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 9/7

18:01-17:00

2 stops34h 59m

Perth

Tue 28/7

10:30-05:43

2 stops31h 13m

$2,567

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 27/7

18:23-14:40

2 stops32h 17m

Perth

Mon 3/8

23:05-17:17

2 stops30h 12m

$2,630

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 27/7

09:25-12:30

2 stops39h 05m

Perth

Sun 2/8

23:45-05:31

3 stops41h 46m

$2,646

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 28/7

09:25-14:40

2 stops41h 15m

Perth

Mon 3/8

17:15-17:17

2 stops36h 02m

$2,647

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 27/7

18:23-12:30

2 stops30h 07m

Perth

Tue 4/8

18:10-05:31

3 stops47h 21m

$2,649

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 27/7

18:23-12:30

2 stops30h 07m

Perth

Mon 3/8

18:10-05:31

3 stops47h 21m

$2,656

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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

30h 15m

Direct flights

None
The fastest flight from Philadelphia to Perth takes 30h 15m
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 30h 15m.

  • 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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