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$548+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap 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 December 31, 2025.

This oojo deal was found by Cheapflights users on 12/30. 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 12/314:32 pmPHL - SYD
2 stops27h 23mQantas Airways
Wed 1/711:20 amSYD - PHL
1 stop24h 56mQantas Airways
Deal found 12/30$1,876
This Cathay Pacific deal was found by Cheapflights users on 12/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:20 pmPHL - SYD
2 stops35h 30mMultiple Airlines
Thu 1/1510:20 pmSYD - PHL
2 stops38h 03mMultiple Airlines
Deal found 12/29$2,059
This oojo deal was found by Cheapflights users on 12/30. 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 12/3110:30 amPHL - PER
2 stops31h 25mCathay Pacific
Tue 1/612:25 amPER - PHL
2 stops36h 01mCathay Pacific
Deal found 12/30$2,176
This oojo deal was found by Cheapflights users on 12/30. 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 12/318:40 amPHL - PER
2 stops38h 15mQatar Airways
Wed 1/710:45 pmPER - PHL
1 stop47h 15mQatar Airways
Deal found 12/30$2,195
This oojo deal was found by Cheapflights users on 12/31. 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 12/316:25 pmPHL - SYD
2 stops46h 20mAir New Zealand
Tue 1/612:10 pmSYD - PHL
1 stop25h 42mAir New Zealand
Deal found 12/31$2,447
This Gurufare deal was found by Cheapflights users on 12/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:25 pmPHL - ADL
2 stops49h 00mAir New Zealand
Tue 1/67:00 pmADL - PHL
2 stops42h 22mAir New Zealand
Deal found 12/29$2,490
This Expedia deal was found by Cheapflights users on 12/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:30 amPHL - SYD
2 stops33h 30mMultiple Airlines
Wed 1/78:50 amSYD - PHL
3 stops40h 10mMultiple Airlines
Deal found 12/30$2,719
This Booking.com deal was found by Cheapflights users on 12/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:30 pmPHL - SYD
2 stops47h 25mAir Canada
Tue 1/611:20 amSYD - PHL
2 stops43h 27mAir Canada
Deal found 12/31$2,746
This KAYAK deal was found by Cheapflights users on 12/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmPHL - SYD
1 stop31h 10mQatar Airways
Wed 1/79:40 pmSYD - PHL
1 stop51h 20mQatar Airways
Deal found 12/30$2,913
This Qantas Airways deal was found by Cheapflights users on 12/31. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:32 pmPHL - SYD
1 stop22h 23mMultiple Airlines
Tue 1/611:20 amSYD - PHL
1 stop24h 56mMultiple Airlines
Deal found 12/31$3,147
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:45 amPHL - ADL
3 stops36h 40mUnited Airlines
Tue 1/67:15 amADL - PHL
2 stops30h 07mUnited Airlines
Deal found 12/29$3,198
This Expedia deal was found by Cheapflights users on 12/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:30 amPHL - PER
2 stops31h 25mMultiple Airlines
Wed 1/711:55 pmPER - PHL
3 stops52h 54mMultiple Airlines
Deal found 12/30$3,200

Find flight deals from Philadelphia to Australia

Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$911
(oojo)

One-way from

$548
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,929
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
Search Deals
From Philadelphia to Australia
Search Deals
One-way flight from Philadelphia to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 31, 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

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 2/1

2:30 pm-5:10 pm

2 stops35h 40m

Brisbane

Sun 2/15

7:40 pm-6:55 am

1 stop26h 15m

$936

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 3/24

5:17 pm-5:10 pm

2 stops33h 53m

Brisbane

Fri 4/10

8:35 pm-5:52 am

1 stop23h 17m

$936

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 2/16

2:16 pm-5:10 pm

2 stops35h 54m

Brisbane

Fri 2/27

7:40 pm-7:48 pm

1 stop39h 08m

$936

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

2:16 pm-8:50 pm

2 stops38h 34m

Sydney Kingsford Smith

Tue 3/3

11:20 am-11:50 pm

1 stop28h 30m

$941

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 2/21

2:31 pm-5:00 am

1 stop23h 29m

Brisbane

Wed 2/25

6:30 pm-7:48 pm

2 stops40h 18m

$1,002

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 2/15

8:15 am-6:10 am

1 stop29h 55m

Sydney Kingsford Smith

Wed 2/25

7:15 pm-7:48 pm

2 stops40h 33m

$1,014

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 2/11

2:30 pm-9:00 am

1 stop26h 30m

Sydney Kingsford Smith

Tue 2/17

11:20 am-7:48 pm

1 stop24h 28m

$1,035

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 1/28

10:43 am-6:55 am

1 stop28h 12m

Sydney Kingsford Smith

Wed 2/4

11:20 am-7:01 am

1 stop35h 41m

$1,035

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 1/29

2:30 pm-7:25 am

1 stop24h 55m

Sydney Kingsford Smith

Thu 2/5

11:20 am-7:01 am

1 stop35h 41m

$1,035

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 3/13

2:18 pm-9:00 am

1 stop27h 42m

Sydney Kingsford Smith

Sun 3/22

9:25 pm-8:08 am

1 stop25h 43m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 49 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 $154). Flying from Philadelphia to Australia in January is currently the most expensive (average of $949). 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.

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 December 31, 2025.
See what other customers who have flown with Fiji Airways, Qantas Airways, and United Airlines 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.
Fiji Airways
8.0
Very good
212 reviews

Food

7.5

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very good
212 reviews
Fiji Airways
8.0
Very good
212 reviews

Food

7.5

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
957 reviews
Fiji Airways
8.0
Very good
212 reviews

Food

7.5

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,124 reviews
Fiji Airways
8.0
Very good
212 reviews

Food

7.5

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
American Airlines
7.2
Good
11,069 reviews
Fiji Airways
8.0
Very good
212 reviews

Food

7.5

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air Canada
7.1
Good
10,571 reviews
Fiji Airways
8.0
Very good
212 reviews

Food

7.5

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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.

  • How long is the flight from Philadelphia to Australia?

    Qantas Airways and Qatar Airways can get you from Philadelphia to Australia in just under 33h 55m. Your travel time can differ by up to 1h 45m. The distance between Philadelphia and Australia is about 11597 mi. This flight may include one or multiple stops.

  • 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 $623. Users have also found prices from $628 and $772 on Qantas Airways and American Airlines, respectively.

  • 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 - Brisbane or Philadelphia - Melbourne.

  • 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 $154). Flying from Philadelphia to Australia in January is currently the most expensive (average of $949). 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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$859Average$1,503FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,314FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$945Average$1,486FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,044Average$1,900FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,296Average$1,608FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,350Average$1,614FlexibilityNo cancel feeOn-time71%

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