Australia

$658+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jun 18 — Jun 251
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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 May 19, 2026.

This oojo deal was found by Cheapflights users on 5/16. 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.
Sun 11/85:07 pm
PHL
-
BNE
2 stops33h 03m
Qantas Airways
Sat 11/141:10 pm
BNE
-
PHL
1 stop21h 53m
Qantas Airways
Deal found 5/16$1,143
This oojo deal was found by Cheapflights users on 5/18. 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.
Sun 10/183:29 pm
PHL
-
SYD
1 stop23h 56m
Qantas Airways
Sat 10/315:50 pm
SYD
-
PHL
2 stops41h 15m
Qantas Airways
Deal found 5/18$1,196
This Air Canada deal was found by Cheapflights users on 5/18. 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.
Mon 6/810:05 am
PHL
-
BNE
2 stops31h 00m
Air Canada
Mon 6/1510:00 am
BNE
-
PHL
2 stops49h 33m
Air Canada
Deal found 5/18$1,254
This oojo deal was found by Cheapflights users on 5/15. 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.
Mon 11/93:55 pm
PHL
-
BNE
1 stop22h 55m
Qantas Airways
Thu 11/269:15 am
BNE
-
PHL
1 stop23h 03m
Qantas Airways
Deal found 5/15$1,276
This FlightHub deal was found by Cheapflights users on 5/19. 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 6/183:25 pm
PHL
-
BNE
2 stops49h 40m
Air Canada
Wed 7/2910:00 am
BNE
-
PHL
2 stops33h 31m
Air Canada
Deal found 5/19$1,283
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Sat 5/303:25 pm
PHL
-
SYD
2 stops49h 55m
Air Canada
Sun 6/149:20 am
SYD
-
PHL
2 stops34h 11m
Air Canada
Deal found 5/19$1,285
This Air Canada deal was found by Cheapflights users on 5/16. 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.
Sun 10/1810:05 am
PHL
-
BNE
2 stops31h 00m
Multiple Airlines
Sun 11/16:10 am
BNE
-
PHL
3 stops31h 46m
Multiple Airlines
Deal found 5/16$1,287
This oojo deal was found by Cheapflights users on 5/15. 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.
Mon 11/25:07 pm
PHL
-
MEL
1 stop43h 53m
Qantas Airways
Wed 11/1110:15 am
MEL
-
PHL
2 stops25h 48m
Qantas Airways
Deal found 5/15$1,289
This Air Canada deal was found by Cheapflights users on 5/16. 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.
Thu 5/2810:05 am
PHL
-
BNE
2 stops55h 00m
Air Canada
Wed 6/310:00 am
BNE
-
PHL
2 stops42h 48m
Air Canada
Deal found 5/16$1,291
This Air Canada deal was found by Cheapflights users on 5/18. 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.
Mon 9/1410:35 am
PHL
-
SYD
2 stops30h 45m
Air Canada
Sun 9/279:20 am
SYD
-
PHL
2 stops26h 12m
Air Canada
Deal found 5/18$1,291
This KAYAK deal was found by Cheapflights users on 5/17. 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.
Tue 8/115:45 pm
PHL
-
MEL
2 stops35h 35m
Multiple Airlines
Sat 8/157:30 am
MEL
-
PHL
2 stops29h 17m
Multiple Airlines
Deal found 5/17$1,292
This Air Canada deal was found by Cheapflights users on 5/19. 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 5/2710:05 am
PHL
-
SYD
2 stops31h 15m
Air Canada
Wed 6/109:20 am
SYD
-
PHL
2 stops43h 28m
Air Canada
Deal found 5/19$1,292

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 May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,143
(oojo)

One-way from

$658
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,446
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
From Philadelphia to Australia
One-way flight from Philadelphia to Australia
Highest demand for flights based on searches. 12% potential increase in price ($214 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 19, 2026.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 6/30

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Tue 7/7

10:15 am-9:34 pm

2 stops25h 19m

$1,254
Quickest round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 11/9

3:55 pm-5:50 am

1 stop22h 55m

Brisbane

Thu 11/26

9:15 am-5:18 pm

1 stop23h 03m

$1,276

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 10/18

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Sun 11/1

6:10 am-11:56 pm

3 stops31h 46m

$1,287

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 8/10

3:25 pm-7:05 am

2 stops25h 40m

Brisbane

Mon 8/24

7:05 pm-10:46 pm

3 stops41h 41m

$1,294

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 8/12

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Tue 8/25

8:45 pm-10:46 pm

3 stops40h 01m

$1,294

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 6/8

6:00 am-11:30 am

3 stops39h 30m

Brisbane

Mon 6/15

10:00 am-9:33 pm

2 stops49h 33m

$1,294

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 11/9

3:11 pm-5:50 am

2 stops23h 39m

Brisbane

Thu 11/26

9:15 am-8:10 pm

1 stop25h 55m

$1,308

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 8/10

3:37 pm-5:00 am

1 stop23h 23m

Brisbane

Mon 8/24

8:35 pm-6:34 pm

1 stop35h 59m

$1,373

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Fri 11/6

3:20 pm-2:55 pm

3 stops32h 35m

Cairns

Wed 11/25

6:00 am-10:56 pm

3 stops31h 56m

$1,373

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 6/8

12:50 pm-5:00 am

2 stops26h 10m

Brisbane

Mon 6/15

8:35 pm-8:06 am

1 stop25h 31m

$1,402

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/16

Showing 1-10 of 59 resultsSorted by cheapest first
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6

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, August is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $250). Flying from Philadelphia to Australia in October is currently the most expensive (average of $1,066). 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.

How far ahead should I book a flight from Philadelphia to Australia?

The price you pay for your flight from Philadelphia to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 19, 2026.
See what other customers who have flown with Fiji Airways,Qantas Airways, andUnited 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.

Food

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

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?

    Air Canada, Qantas Airways, and Delta can get you from Philadelphia to Australia in just under 22h 55m. Your travel time can differ by up to 8h 05m. The distance between Philadelphia and Australia is about 9555 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 Qantas Airways. According to our data, you can fly for as low as $628. Users have also found prices from $668 and $772 on Fiji Airways and American Airlines, respectively.

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

  • 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, August is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $250). Flying from Philadelphia to Australia in October is currently the most expensive (average of $1,066). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Philadelphia to Australia

Discover the top 7 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 May 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$539Average$1,807FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$765Average$1,489FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$945Average$1,639FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$954Average$1,495FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,198Average$1,607FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,447Average$2,010FlexibilityNo cancel feeOn-time68%

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