Australia

$576+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
mag 22 — mag 291
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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 aprile 22, 2026.

This Trip.com deal was found by Cheapflights users on 4/21. 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.
gio 5/217:55 am
PHL
-
SYD
3 stops48h 15m
Multiple Airlines
gio 5/286:00 am
SYD
-
PHL
3 stops37h 37m
Multiple Airlines
Deal found 4/21$1,216
This oojo deal was found by Cheapflights users on 4/18. 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.
mar 11/31:00 pm
PHL
-
BNE
1 stop26h 30m
Qantas Airways
mar 11/171:10 pm
BNE
-
PHL
1 stop21h 53m
Qantas Airways
Deal found 4/18$1,224
This Trip.com deal was found by Cheapflights users on 4/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 8/410:46 am
PHL
-
MEL
3 stops35h 14m
Multiple Airlines
gio 8/131:30 pm
MEL
-
PHL
3 stops47h 50m
Multiple Airlines
Deal found 4/18$1,235
This Fareboom deal was found by Cheapflights users on 4/20. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 9/168:30 pm
PHL
-
BNE
1 stop31h 00m
Qatar Airways
gio 10/810:10 pm
BNE
-
PHL
1 stop48h 50m
Qatar Airways
Deal found 4/20$1,242
This American Airlines deal was found by Cheapflights users on 4/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 11/33:35 pm
PHL
-
BNE
2 stops23h 55m
American Airlines
mar 11/171:10 pm
BNE
-
PHL
2 stops22h 13m
American Airlines
Deal found 4/18$1,257
This Ovago deal was found by Cheapflights users on 4/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 5/166:32 pm
PHL
-
MEL
2 stops34h 48m
Multiple Airlines
sab 5/237:30 am
MEL
-
PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/18$1,269
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 4/195:37 pm
PHL
-
SYD
1 stop23h 28m
Qantas Airways
lun 5/119:10 am
SYD
-
PHL
1 stop23h 44m
Qantas Airways
Deal found 4/17$1,274
This FlightHub deal was found by Cheapflights users on 4/20. 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.
dom 11/87:50 pm
PHL
-
SYD
1 stop31h 00m
Qatar Airways
mer 11/189:40 pm
SYD
-
PHL
1 stop51h 20m
Qatar Airways
Deal found 4/20$1,276
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 5/117:00 am
PHL
-
BNE
3 stops37h 35m
Multiple Airlines
lun 6/111:55 am
BNE
-
PHL
3 stops56h 26m
Multiple Airlines
Deal found 4/19$1,277
This oojo deal was found by Cheapflights users on 4/20. 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.
dom 11/83:55 pm
PHL
-
SYD
2 stops27h 00m
Qantas Airways
mer 11/189:25 pm
SYD
-
PHL
1 stop26h 00m
Qantas Airways
Deal found 4/20$1,282
This oojo deal was found by Cheapflights users on 4/20. 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.
mer 7/15:40 pm
PHL
-
SYD
1 stop23h 25m
Qantas Airways
lun 7/139:10 am
SYD
-
PHL
1 stop23h 18m
Qantas Airways
Deal found 4/20$1,284
This oojo deal was found by Cheapflights users on 4/20. 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.
dom 11/110:46 am
PHL
-
MEL
1 stop26h 14m
Qantas Airways
dom 11/156:00 am
MEL
-
PHL
2 stops30h 10m
Qantas Airways
Deal found 4/20$1,291

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 aprile 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,216
(Trip.com)

One-way from

$576
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,385
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. 11% potential increase in price ($199 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 April 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 aprile 22, 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

mer 9/16

8:30 pm-5:30 pm

1 stop31h 00m

Brisbane

gio 10/8

9:55 am-9:00 am

2 stops37h 05m

$1,299

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun 9/14

1:04 pm-7:00 am

2 stops27h 56m

Sydney Kingsford Smith

dom 9/27

9:30 am-7:25 pm

2 stops23h 55m

$1,306

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

sab 5/2

6:52 pm-6:50 am

2 stops45h 58m

Sydney Kingsford Smith

lun 5/11

9:15 am-6:06 pm

2 stops22h 51m

$1,323

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mer 7/1

3:10 pm-7:00 am

2 stops25h 50m

Sydney Kingsford Smith

lun 7/13

10:20 am-11:44 pm

2 stops27h 24m

$1,323

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

dom 8/9

3:10 pm-6:55 am

2 stops25h 45m

Sydney Kingsford Smith

dom 8/16

10:20 am-12:23 pm

3 stops40h 03m

$1,323

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

sab 10/10

7:05 am-7:50 am

2 stops33h 45m

Sydney Kingsford Smith

dom 10/18

10:15 am-8:41 am

2 stops37h 26m

$1,373

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

dom 5/3

11:32 am-6:55 am

2 stops29h 23m

Sydney Kingsford Smith

sab 5/9

10:20 am-9:44 pm

2 stops25h 24m

$1,373

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

sab 6/27

1:04 pm-7:00 am

2 stops51h 56m

Sydney Kingsford Smith

ven 7/10

9:30 am-5:31 am

2 stops34h 01m

$1,390

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

sab 5/2

7:45 pm-7:00 am

2 stops45h 15m

Sydney Kingsford Smith

sab 5/9

10:20 am-4:59 pm

1 stop20h 39m

$1,390

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

lun 5/11

3:21 pm-5:00 am

2 stops23h 39m

Brisbane

lun 6/1

8:35 pm-7:15 am

2 stops24h 40m

$1,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 57 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.

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 aprile 22, 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.

Crew

8.6

Comfort

8.1

Entertainment

7.5

Overall

8.1

Boarding

8.2

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.

Crew

8.6

Comfort

8.1

Entertainment

7.5

Overall

8.1

Boarding

8.2

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.

Crew

8.6

Comfort

8.1

Entertainment

7.5

Overall

8.1

Boarding

8.2

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.

Crew

8.6

Comfort

8.1

Entertainment

7.5

Overall

8.1

Boarding

8.2

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.

Crew

8.6

Comfort

8.1

Entertainment

7.5

Overall

8.1

Boarding

8.2

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.

Crew

8.6

Comfort

8.1

Entertainment

7.5

Overall

8.1

Boarding

8.2

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?

    Qatar Airways, United Airlines, and Delta can get you from Philadelphia to Australia in just under 27h 56m. Your travel time can differ by up to 18h 02m. The distance between Philadelphia and Australia is about 9862 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 aprile 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$539Average$1,885FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$765Average$1,489FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$945Average$1,713FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$954Average$1,507FlexibilityNo 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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