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$474+ Cheap flights from Philadelphia (PHL) to Australia

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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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 July 1, 2025.

Round-trip from

$947
(Trip.com)

One-way from

$474
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,678
From Philadelphia to Australia
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One-way flight from Philadelphia to Australia
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Highest demand for flights based on searches. 14% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 1, 2025.

This Trip.com deal was found by Cheapflights users on 6/29. 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.
Sat 9/275:42 pmPHL - SYD
2 stops28h 03mMultiple Airlines
Sat 10/112:45 pmSYD - PHL
2 stops31h 13mMultiple Airlines
Deal found 6/29$947
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:05 amPHL - SYD
2 stops33h 20mANA
Tue 10/219:45 pmSYD - PHL
2 stops31h 31mANA
Deal found 6/30$1,151
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:45 pmPHL - BNE
2 stops25h 40mFiji Airways
Tue 8/2611:35 amBNE - PHL
2 stops25h 22mFiji Airways
Deal found 6/28$1,249
This oojo deal was found by Cheapflights users on 6/30. 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.
Thu 8/146:45 pmPHL - CNS
2 stops26h 55mFiji Airways
Thu 8/2112:40 pmCNS - PHL
2 stops26h 05mFiji Airways
Deal found 6/30$1,263
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:00 amPHL - SYD
2 stops35h 25mQantas Airways
Wed 1/147:05 amSYD - PHL
2 stops26h 39mQantas Airways
Deal found 6/30$1,272
This oojo deal was found by Cheapflights users on 6/30. 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.
Thu 9/46:45 pmPHL - MEL
2 stops34h 35mMultiple Airlines
Thu 9/257:30 amMEL - PHL
2 stops29h 55mMultiple Airlines
Deal found 6/30$1,273
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:23 pmPHL - SYD
2 stops28h 22mFiji Airways
Tue 9/161:15 pmSYD - PHL
2 stops24h 14mFiji Airways
Deal found 6/30$1,293
This oojo deal was found by Cheapflights users on 6/30. 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 9/101:06 pmPHL - MEL
2 stops31h 44mAir New Zealand
Mon 9/228:35 amMEL - PHL
2 stops34h 51mAir New Zealand
Deal found 6/30$1,341
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Thu 7/35:48 pmPHL - BNE
2 stops26h 47mMultiple Airlines
Sat 7/511:50 pmBNE - PHL
2 stops45h 08mMultiple Airlines
Deal found 6/29$1,345
This oojo deal was found by Cheapflights users on 6/30. 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.
Thu 8/146:45 pmPHL - ADL
2 stops27h 20mFiji Airways
Thu 8/2112:35 pmADL - PHL
2 stops25h 40mFiji Airways
Deal found 6/30$1,364
This Air Canada deal was found by Cheapflights users on 6/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:20 amPHL - SYD
2 stops32h 00mAir Canada
Wed 9/179:20 amSYD - PHL
2 stops26h 18mAir Canada
Deal found 6/29$1,374
This oojo deal was found by Cheapflights users on 6/30. 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.
Fri 9/56:55 pmPHL - MEL
2 stops27h 10mFiji Airways
Fri 10/102:30 pmMEL - PHL
2 stops25h 29mFiji Airways
Deal found 6/30$1,395

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 1, 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

Sat 9/27

5:42 pm-11:45 am

2 stops28h 03m

Sydney Kingsford Smith

Sat 10/11

2:45 pm-6:58 am

2 stops31h 13m

$947

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 10/14

10:05 am-10:25 am

2 stops33h 20m

Sydney Kingsford Smith

Tue 10/21

9:45 pm-2:16 pm

2 stops31h 31m

$1,151

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Thu 8/14

6:45 pm-10:25 am

2 stops25h 40m

Brisbane

Tue 8/26

11:35 am-10:57 pm

2 stops25h 22m

$1,249

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 8/14

6:45 pm-11:40 am

2 stops26h 55m

Cairns

Thu 8/21

12:40 pm-12:45 am

2 stops26h 05m

$1,263

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 12/3

11:00 am-2:25 pm

2 stops35h 25m

Sydney Kingsford Smith

Wed 1/14

7:05 am-5:44 pm

2 stops26h 39m

$1,272

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Thu 9/4

6:45 pm-7:20 pm

2 stops34h 35m

Melbourne

Thu 9/25

7:30 am-11:25 pm

2 stops29h 55m

$1,273

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 8/27

5:23 pm-11:45 am

2 stops28h 22m

Sydney Kingsford Smith

Tue 9/16

1:15 pm-11:29 pm

2 stops24h 14m

$1,293

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Wed 9/10

1:06 pm-10:50 am

2 stops31h 44m

Melbourne

Mon 9/22

8:35 am-5:26 am

2 stops34h 51m

$1,341

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 8/14

6:45 pm-11:35 am

2 stops27h 20m

Adelaide

Thu 8/21

12:35 pm-12:45 am

2 stops25h 40m

$1,364

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 9/10

9:20 am-7:20 am

2 stops32h 00m

Sydney Kingsford Smith

Wed 9/17

9:20 am-9:38 pm

2 stops26h 18m

$1,374

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 58 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 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 Australia

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,040). Flying from Philadelphia to Australia in December is currently the most expensive (average of $1,630). 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 July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Australia as you normally would.

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 July 1, 2025.
See what other customers who have flown with Air Tahiti Nui, ANA, and Fiji Airways from Philadelphia to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Crew

9.0

Boarding

8.7

Entertainment

7.3

Food

7.8

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
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Crew

9.0

Boarding

8.7

Entertainment

7.3

Food

7.8

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.
ANA
8.4
Very good
892 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Crew

9.0

Boarding

8.7

Entertainment

7.3

Food

7.8

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
8.0
Very good
202 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Crew

9.0

Boarding

8.7

Entertainment

7.3

Food

7.8

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
486 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Crew

9.0

Boarding

8.7

Entertainment

7.3

Food

7.8

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.
Cathay Pacific
7.6
Good
921 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Crew

9.0

Boarding

8.7

Entertainment

7.3

Food

7.8

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?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Australia. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

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

    For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $647. Users have also found prices from $836 and $882 on Qatar Airways and ANA, respectively.

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

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

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,040). Flying from Philadelphia to Australia in December is currently the most expensive (average of $1,630). 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 8 airlines flying from Philadelphia to Australia

Discover the top 8 airlines 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 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,802FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,029FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,481FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$945Average$1,501FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$945Average$1,298FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,220Average$1,699FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,294Average$2,007FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,296Average$1,574FlexibilityNo cancel feeOn-time68%

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