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Cheap flights from Philadelphia to Australia from $942

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
29 Apr — 6 May1
1 adult

Cheap flight deals from Philadelphia to Australia

Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated 24 April 2025.

Round-trip from

$1,877

One-way from

$942

Popular in

December

Cheapest in

February

Average price

$2,176
25/5-31/5
  • 25/5-31/5
  • 4 total stops
  • 59h 16m total
  • Philadelphia to Australia
Search Deals
23/6
  • 23/6
  • 3 total stops
  • 59h 03m total
  • Philadelphia to Australia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($539 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($130 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Philadelphia to Australia

Cheapest flights from Philadelphia to Australia
Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Sun 25/517:34PHL - SYD
2 stops28h 11mMultiple Airlines
Sat 31/513:45SYD - PHL
2 stops31h 05mMultiple Airlines
Deal found 23/4$1,877
Mon 25/806:30PHL - SYD
2 stops36h 15mAir New Zealand
Mon 8/909:55SYD - PHL
2 stops33h 31mAir New Zealand
Deal found 23/4$2,068
Thu 25/920:30PHL - PER
1 stop27h 25mQatar Airways
Tue 7/1022:45PER - PHL
1 stop46h 15mQatar Airways
Deal found 23/4$2,078
Wed 10/913:06PHL - MEL
2 stops31h 44mAir New Zealand
Mon 22/908:35MEL - PHL
2 stops34h 51mAir New Zealand
Deal found 22/4$2,118
Mon 8/920:30PHL - MEL
1 stop30h 20mQatar Airways
Wed 24/915:15MEL - PHL
1 stop31h 45mQatar Airways
Deal found 23/4$2,137
Wed 3/1215:30PHL - SYD
2 stops26h 05mAir Canada
Wed 14/111:20SYD - PHL
2 stops43h 30mAir Canada
Deal found 24/4$2,212
Tue 26/815:22PHL - SYD
2 stops30h 23mFiji Airways
Tue 2/906:00SYD - PHL
2 stops30h 56mFiji Airways
Deal found 23/4$2,230
Wed 10/913:06PHL - MEL
2 stops31h 44mMultiple Airlines
Mon 22/912:05MEL - PHL
3 stops37h 51mMultiple Airlines
Deal found 22/4$2,276
Mon 8/920:30PHL - BNE
1 stop31h 00mQatar Airways
Wed 24/909:55BNE - PHL
2 stops37h 05mQatar Airways
Deal found 23/4$2,383
Sat 10/518:47PHL - BNE
2 stops25h 48mFiji Airways
Sat 24/523:50BNE - PHL
2 stops38h 03mFiji Airways
Deal found 23/4$2,398
Wed 10/910:35PHL - AVV
3 stops39h 30mMultiple Airlines
Mon 22/920:55AVV - PHL
3 stops39h 34mMultiple Airlines
Deal found 22/4$2,411
Wed 10/908:15PHL - BNE
2 stops36h 45mAir New Zealand
Fri 26/912:15BNE - PHL
2 stops31h 11mAir New Zealand
Deal found 23/4$2,424

Cheapflights Fare Finder

Customise your flight search to find flights from Philadelphia to Australia 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 647,157 searches. Data last updated 24 April 2025.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Fly from

Philadelphia

Fly to

Australia

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 25/5

17:34-11:45

2 stops28h 11m

Sydney Kingsford Smith

Sat 31/5

13:45-06:50

2 stops31h 05m

$1,877

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 25/8

06:30-08:45

2 stops36h 15m

Sydney Kingsford Smith

Mon 8/9

09:55-05:26

2 stops33h 31m

$2,068

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 25/9

20:30-11:55

1 stop27h 25m

Perth

Tue 7/10

22:45-09:00

1 stop46h 15m

$2,078

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Wed 10/9

13:06-10:50

2 stops31h 44m

Melbourne

Mon 22/9

08:35-05:26

2 stops34h 51m

$2,118

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Wed 10/9

20:30-16:50

1 stop30h 20m

Melbourne

Mon 22/9

15:15-09:00

1 stop31h 45m

$2,137

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 26/8

15:22-11:45

2 stops30h 23m

Sydney Kingsford Smith

Tue 2/9

06:00-22:56

2 stops30h 56m

$2,230

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Wed 10/9

13:06-10:50

2 stops31h 44m

Melbourne

Sun 21/9

12:05-11:56

3 stops37h 51m

$2,276

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 19/10

15:25-08:20

2 stops25h 55m

Sydney Kingsford Smith

Fri 31/10

10:20-14:50

2 stops43h 30m

$2,283

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 10/5

18:47-10:35

2 stops25h 48m

Brisbane

Sat 24/5

23:50-23:53

2 stops38h 03m

$2,398

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

Wed 10/9

10:35-16:05

3 stops39h 30m

Melbourne Avalon

Mon 22/9

20:55-22:29

3 stops39h 34m

$2,411

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 40 results
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Best time to book a flight from Philadelphia to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Philadelphia with our price prediction graph.
Estimated return 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 Australia

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $129). Flying from Philadelphia to Australia in October is currently the most expensive (average of $171). 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 AU?

Find hourly flight availability from Philadelphia to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 April 2025.

When flying from Philadelphia to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 24 April 2025.
To help decide which airline to fly from Philadelphia to Australia, see what other customers have to say about Air Tahiti Nui, Japan Airlines and Fiji Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,453 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very Good
188 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Emirates
8.0
Very Good
3,205 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air New Zealand
8.0
Very Good
469 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Australia?

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Australia. It is only a 11.2 km journey to Philadelphia (PHL) from Philadelphia’s city centre.

  • What are the cheapest airlines to fly from Philadelphia to Australia one-way?

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as $1,441. However, be on the lookout for offers from Fiji Airways and Qantas Airways, as they are both options that can get you from Philadelphia to Australia for a low price.

  • What are the most popular routes from Philadelphia to Australia?

    The most popular route from Philadelphia to Australia is Philadelphia - Sydney Kingsford Smith. You may also consider Philadelphia - Melbourne or Philadelphia - Brisbane.

  • Can I find deals for flights from Philadelphia to Australia that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Australia.

  • Can I find deals for business class flights from Philadelphia to Australia?

    Yes. Cheapflights offers flight deals from Philadelphia to Australia 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 Australia?

    Currently, May is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $129). Flying from Philadelphia to Australia in October is currently the most expensive (average of $171). 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

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Alternative routes for Philadelphia to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Philadelphia to Australia

Discover the top airline that operate flights from Philadelphia to Australia. 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 647,157 searches. Data last updated 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,344Average$1,804FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Philadelphia to Australia?

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Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Australia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Australia from Philadelphia.

Can Cheapflights find flights from Philadelphia to Australia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Philadelphia to Australia flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Philadelphia to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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