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$612+ Cheap flights from Philadelphia (PHL) to Perth (PER)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — PER
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,442
(oojo)

One-way from

$612
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,529
From Philadelphia to Perth
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One-way flight from Philadelphia to Perth
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Highest demand for flights based on searches. 22% potential increase in price ($540 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to Perth

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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:35 pmPHL - PER
1 stop34h 10mQatar Airways
Sat 11/110:45 pmPER - PHL
1 stop47h 20mQatar Airways
Deal found 9/10$1,442
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:00 pmPHL - PER
2 stops40h 40mQatar Airways
Tue 10/1410:45 pmPER - PHL
1 stop46h 15mQatar Airways
Deal found 9/10$1,502
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:35 pmPHL - PER
1 stop34h 10mQatar Airways
Sun 11/210:45 pmPER - PHL
1 stop47h 20mQatar Airways
Deal found 9/11$1,528
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:45 pmPHL - PER
2 stops35h 55mQatar Airways
Sat 10/1810:45 pmPER - PHL
1 stop46h 15mQatar Airways
Deal found 9/11$1,635

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Perth that are best for you.

Fly from

Philadelphia

Fly to

Perth

Route

Depart

Return

Price

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 10/26

8:35 pm-6:45 pm

1 stop34h 10m

Perth

Sun 11/2

10:45 pm-9:05 am

1 stop47h 20m

$1,528

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sat 10/11

6:45 pm-6:40 pm

2 stops35h 55m

Perth

Sat 10/18

10:45 pm-9:00 am

1 stop46h 15m

$1,635

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 10/26

9:20 am-3:30 pm

3 stops42h 10m

Perth

Sun 11/2

10:55 pm-10:56 pm

3 stops37h 01m

$2,035

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 12/18

7:50 pm-1:35 am

2 stops40h 45m

Perth

Sat 1/10

3:35 am-9:00 am

2 stops42h 25m

$2,872

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 10/26

7:02 am-7:40 pm

3 stops48h 38m

$612

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 9/16

6:57 pm-5:10 pm

3 stops58h 13m

$723

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 9/16

6:44 pm-10:40 pm

2 stops39h 56m

$903

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 10/26

8:35 pm-6:45 pm

1 stop34h 10m

$960

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sat 10/18

3:31 pm-6:40 pm

2 stops39h 09m

$1,169

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 9/16

8:25 pm-6:40 pm

1 stop34h 15m

$1,578

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 11 results
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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 round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Perth

What is the cheapest month to book a flight from Philadelphia to Perth?

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $1,438). Flying from Philadelphia to Perth in December is currently the most expensive (average of $2,172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to PER?

Find hourly flight availability from Philadelphia to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Philadelphia to Perth in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Philadelphia to Perth, such as Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,624 reviews

Comfort

7.4

Entertainment

7.4

Overall

7.4

Food

7.3

Crew

7.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,624 reviews
Qatar Airways
7.4
Good
3,624 reviews

Comfort

7.4

Entertainment

7.4

Overall

7.4

Food

7.3

Crew

7.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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?

    Qatar Airways can get you from Philadelphia to Perth in just under 34h 10m. Your travel time can differ by up to . The distance between Philadelphia and Perth is about 11597 mi.

  • What is the cheapest airline to fly from Philadelphia to Perth round-trip?

    Our cheapest airline available from Philadelphia to Perth is Qatar Airways. Our recent data shows that you can find tickets from as low as $1,296 on this airline. This flight start at 31% lower than the current average price 3 months from now.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Philadelphia to Perth?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Perth (average of $1,438). Flying from Philadelphia to Perth in December is currently the most expensive (average of $2,172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Perth?

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Philadelphia to Perth

Discover the top airline that operate flights from Philadelphia to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,296Average$1,633FlexibilityNo cancel feeOn-time68%

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