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$527+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
May 15 — May 221
Fri 5/15
Fri 5/22
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 April 15, 2026.

This Justfly.com deal was found by Cheapflights users on 4/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
PHL
-
MEL
1 stop42h 25m
Qatar Airways
Tue 9/153:10 pm
MEL
-
PHL
1 stop31h 50m
Qatar Airways
Deal found 4/10$1,220
This Justfly.com deal was found by Cheapflights users on 4/14. 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.
Sun 11/87:50 pm
PHL
-
SYD
1 stop31h 00m
Qatar Airways
Wed 11/189:40 pm
SYD
-
PHL
1 stop51h 20m
Qatar Airways
Deal found 4/14$1,254
This oojo deal was found by Cheapflights users on 4/15. 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.
Wed 5/135:37 pm
PHL
-
SYD
1 stop23h 28m
Qantas Airways
Wed 5/209:10 am
SYD
-
PHL
1 stop23h 44m
Qantas Airways
Deal found 4/15$1,273
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:37 pm
PHL
-
SYD
1 stop23h 53m
Qantas Airways
Mon 5/119:10 am
SYD
-
PHL
1 stop23h 44m
Qantas Airways
Deal found 4/14$1,275
This oojo deal was found by Cheapflights users on 4/15. 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.
Wed 7/15:40 pm
PHL
-
SYD
1 stop23h 25m
Qantas Airways
Mon 7/139:10 am
SYD
-
PHL
1 stop23h 18m
Qantas Airways
Deal found 4/15$1,283
This FlightHub deal was found by Cheapflights users on 4/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:30 pm
PHL
-
SYD
1 stop30h 40m
Qatar Airways
Tue 10/69:45 pm
SYD
-
PHL
1 stop50h 15m
Qatar Airways
Deal found 4/12$1,294
This Trip.com deal was found by Cheapflights users on 4/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:50 pm
PHL
-
MEL
1 stop41h 55m
Qatar Airways
Tue 11/104:10 pm
MEL
-
PHL
1 stop32h 50m
Qatar Airways
Deal found 4/10$1,295
This Justfly.com deal was found by Cheapflights users on 4/14. 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.
Sun 11/83:55 pm
PHL
-
SYD
2 stops26h 25m
Qantas Airways
Wed 11/189:25 pm
SYD
-
PHL
1 stop26h 00m
Qantas Airways
Deal found 4/14$1,303
This Qantas Airways deal was found by Cheapflights users on 4/14. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:35 pm
PHL
-
SYD
1 stop25h 30m
Qantas Airways
Sun 9/279:10 am
SYD
-
PHL
1 stop23h 24m
Qantas Airways
Deal found 4/14$1,310
This Qantas Airways deal was found by Cheapflights users on 4/14. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:40 pm
PHL
-
SYD
1 stop23h 25m
Multiple Airlines
Mon 7/612:00 pm
SYD
-
PHL
1 stop24h 57m
Multiple Airlines
Deal found 4/14$1,311
This FlightHub deal was found by Cheapflights users on 4/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:00 pm
PHL
-
SYD
1 stop25h 55m
Qantas Airways
Sun 11/89:50 pm
SYD
-
PHL
2 stops38h 13m
Qantas Airways
Deal found 4/12$1,312
This Jetabroad deal was found by Cheapflights users on 4/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:30 pm
PHL
-
MEL
2 stops35h 50m
Multiple Airlines
Thu 6/47:30 am
MEL
-
PHL
2 stops29h 23m
Multiple Airlines
Deal found 4/13$1,313

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 April 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,220
(Justfly.com)

One-way from

$527
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,385
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. 11% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 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

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 5/13

12:17 pm-10:35 am

3 stops32h 18m

Brisbane

Sun 5/24

11:35 am-5:37 am

3 stops56h 02m

$1,352

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 5/26

1:22 pm-5:00 am

1 stop25h 38m

Brisbane

Tue 6/2

8:35 pm-7:00 am

1 stop24h 25m

$1,392

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 5/25

9:46 am-5:00 am

1 stop29h 14m

Brisbane

Mon 6/1

8:35 pm-9:22 am

2 stops26h 47m

$1,397

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 5/13

11:15 am-5:00 am

1 stop27h 45m

Brisbane

Sun 5/24

8:35 pm-6:47 am

2 stops24h 12m

$1,397

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 5/26

11:00 am-5:00 am

1 stop28h 00m

Brisbane

Tue 6/2

8:35 pm-9:46 am

2 stops27h 11m

$1,397
Quickest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 5/14

5:30 pm-7:05 am

2 stops23h 35m

Sydney Kingsford Smith

Thu 5/21

12:00 pm-8:54 pm

2 stops22h 54m

$1,417

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 9/6

6:35 pm-6:35 pm

2 stops36h 00m

Perth

Tue 9/15

7:30 am-9:00 am

2 stops37h 30m

$1,458

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 6/16

5:30 pm-5:00 am

1 stop45h 30m

Melbourne

Mon 6/29

3:40 pm-7:00 am

2 stops29h 20m

$1,475

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 8/4

1:22 pm-6:45 am

1 stop27h 23m

Melbourne

Thu 8/13

9:45 am-8:13 pm

1 stop24h 28m

$1,513

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 5/14

8:30 am-11:40 am

3 stops37h 10m

Cairns

Thu 5/21

12:40 pm-5:37 am

3 stops54h 57m

$1,515

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 57 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, September is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $165). Flying from Philadelphia to Australia in January is currently the most expensive (average of $971). 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 April 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.
Fiji Airways
8.1
Very good
240 reviews

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

Entertainment

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.
Fiji Airways
8.1
Very good
240 reviews
Fiji Airways
8.1
Very good
240 reviews

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

Entertainment

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.
Qantas Airways
7.5
Good
1,019 reviews
Fiji Airways
8.1
Very good
240 reviews

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

Entertainment

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.
United Airlines
7.4
Good
9,589 reviews
Fiji Airways
8.1
Very good
240 reviews

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

Entertainment

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.
American Airlines
7.1
Good
11,581 reviews
Fiji Airways
8.1
Very good
240 reviews

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

Entertainment

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.
Air Canada
7.1
Good
10,927 reviews
Fiji Airways
8.1
Very good
240 reviews

Overall

8.1

Crew

8.6

Comfort

8.1

Food

7.5

Boarding

8.2

Entertainment

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, Qantas Airways, and American Airlines can get you from Philadelphia to Australia in just under 23h 25m. Your travel time can differ by up to 7h 15m. 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?

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

  • 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, September is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $165). Flying from Philadelphia to Australia in January is currently the most expensive (average of $971). 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 April 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$539Average$1,885FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$765Average$1,476FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$945Average$1,715FlexibilityNo 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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