Australia

$718+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jul 15 — Jul 221
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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 June 15, 2026.

This oojo deal was found by Cheapflights users on 6/11. 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.
Fri 12/45:00 pm
PHL
-
MEL
1 stop24h 30m
Qantas Airways
Thu 12/106:45 am
MEL
-
PHL
2 stops26h 33m
Qantas Airways
Deal found 6/11$1,090
This oojo deal was found by Cheapflights users on 6/11. 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.
Wed 11/113:55 pm
PHL
-
MEL
1 stop25h 35m
Qantas Airways
Fri 12/116:30 pm
MEL
-
PHL
2 stops38h 48m
Qantas Airways
Deal found 6/11$1,109
This Justfly.com deal was found by Cheapflights users on 6/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:30 pm
PHL
-
MEL
1 stop29h 20m
Qatar Airways
Wed 11/114:10 pm
MEL
-
PHL
1 stop38h 30m
Qatar Airways
Deal found 6/15$1,239
This Justfly.com deal was found by Cheapflights users on 6/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:30 pm
PHL
-
MEL
1 stop41h 25m
Qatar Airways
Wed 10/214:10 pm
MEL
-
PHL
1 stop37h 55m
Qatar Airways
Deal found 6/14$1,242
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:25 am
PHL
-
BNE
2 stops30h 40m
Air Canada
Sun 7/1210:00 am
BNE
-
PHL
2 stops33h 31m
Air Canada
Deal found 6/10$1,249
This oojo deal was found by Cheapflights users on 6/12. 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 10/185:43 pm
PHL
-
SYD
1 stop23h 22m
Qantas Airways
Sat 10/315:50 pm
SYD
-
PHL
2 stops42h 20m
Qantas Airways
Deal found 6/12$1,249
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Wed 8/511:06 am
PHL
-
SYD
3 stops34h 44m
Multiple Airlines
Tue 8/181:15 pm
SYD
-
PHL
3 stops31h 05m
Multiple Airlines
Deal found 6/12$1,250
This Air Canada deal was found by Cheapflights users on 6/12. 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 8/210:05 am
PHL
-
BNE
2 stops31h 00m
Air Canada
Wed 8/1210:00 am
BNE
-
PHL
2 stops42h 49m
Air Canada
Deal found 6/12$1,251
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 10/185:43 pm
PHL
-
SYD
1 stop22h 47m
Qantas Airways
Sat 11/75:50 pm
SYD
-
PHL
2 stops41h 15m
Qantas Airways
Deal found 6/10$1,257
This Expedia deal was found by Cheapflights users on 6/14. 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.
Sun 7/2610:05 am
PHL
-
BNE
2 stops31h 00m
Air Canada
Mon 8/1010:00 am
BNE
-
PHL
2 stops38h 09m
Air Canada
Deal found 6/14$1,258
This Justfly.com deal was found by Cheapflights users on 6/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:25 pm
PHL
-
BNE
2 stops25h 40m
Air Canada
Sun 8/1610:00 am
BNE
-
PHL
2 stops38h 09m
Air Canada
Deal found 6/14$1,265
This Qantas Airways deal was found by Cheapflights users on 6/15. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:05 pm
PHL
-
SYD
1 stop22h 20m
Multiple Airlines
Wed 11/1810:20 am
SYD
-
PHL
2 stops25h 43m
Multiple Airlines
Deal found 6/15$1,276

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,090
(oojo)

One-way from

$718
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,540
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. 13% potential increase in price ($225 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 15, 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

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

Mon 11/2

9:15 am-8:20 pm

3 stops43h 05m

Melbourne Avalon

Wed 11/11

6:00 am-10:56 pm

3 stops32h 56m

$1,287

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Fri 9/25

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Sun 10/18

10:00 am-2:47 pm

2 stops42h 47m

$1,288

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 8/3

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Fri 8/14

10:00 am-9:34 pm

2 stops25h 34m

$1,288

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 9/14

10:05 am-7:20 am

2 stops31h 15m

Sydney Kingsford Smith

Sun 9/27

9:20 am-2:47 pm

3 stops43h 27m

$1,301

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 10/6

10:35 am-12:35 pm

3 stops35h 00m

Melbourne

Wed 10/21

7:00 am-10:46 pm

3 stops30h 46m

$1,313

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 11/7

4:35 pm-6:10 pm

3 stops58h 05m

Adelaide

Sat 11/14

6:55 pm-3:51 pm

3 stops60h 26m

$1,314

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 12/3

5:00 pm-5:40 pm

2 stops32h 40m

Sydney Kingsford Smith

Sun 12/13

11:15 am-8:05 pm

1 stop24h 50m

$1,315

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Fri 9/25

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Sun 10/18

7:40 pm-10:46 pm

3 stops41h 06m

$1,321

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Thu 8/13

10:05 am-7:05 am

2 stops55h 00m

Brisbane

Mon 8/24

8:45 pm-10:46 pm

3 stops40h 01m

$1,326

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

Tue 10/6

7:00 am-2:10 pm

3 stops40h 10m

Melbourne Avalon

Wed 10/21

6:00 am-9:45 am

3 stops42h 45m

$1,398

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 53 resultsSorted by cheapest first
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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, 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 July is currently the most expensive (average of $1,267). 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 39 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 June 15, 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.

Overall

8.1

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Crew

8.5

Food

7.5

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.

Overall

8.1

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Crew

8.5

Food

7.5

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.

Overall

8.1

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Crew

8.5

Food

7.5

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.

Overall

8.1

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Crew

8.5

Food

7.5

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.

Overall

8.1

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Crew

8.5

Food

7.5

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.

Overall

8.1

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Crew

8.5

Food

7.5

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 Qatar Airways can get you from Philadelphia to Australia in just under 31h. Your travel time can differ by up to 1h 55m. 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 July is currently the most expensive (average of $1,267). 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$765Average$1,489FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$843Average$1,649FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$870Average$1,701FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$945Average$1,626FlexibilityNo 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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