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$588+ Cheap flights from Australia to Philadelphia (PHL)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Australia to Philadelphia

Cheapest flights from Australia to Philadelphia
Explore the most affordable flight options available from Australia to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:55 am
MEL
-
PHL
1 stop28h 28m
United Airlines
Sun 8/26:00 am
PHL
-
MEL
1 stop36h 15m
United Airlines
Deal found 7/20$958
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:55 am
MEL
-
PHL
2 stops32h 36m
United Airlines
Wed 8/54:14 pm
PHL
-
MEL
2 stops25h 16m
United Airlines
Deal found 7/20$960
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:55 am
MEL
-
PHL
1 stop24h 00m
United Airlines
Wed 8/269:27 am
PHL
-
MEL
1 stop32h 48m
United Airlines
Deal found 7/20$969
This Trip.com deal was found by Cheapflights users on 7/21. 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.
Fri 9/41:15 pm
SYD
-
PHL
3 stops37h 11m
Multiple Airlines
Fri 9/1110:37 am
PHL
-
SYD
3 stops35h 13m
Multiple Airlines
Deal found 7/21$1,151
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:20 am
SYD
-
PHL
2 stops27h 24m
United Airlines
Mon 8/176:36 pm
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 7/19$1,169
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:15 am
SYD
-
PHL
2 stops28h 41m
Delta
Wed 8/193:58 pm
PHL
-
SYD
2 stops24h 52m
Delta
Deal found 7/20$1,187
This Aunt Betty deal was found by Cheapflights users on 7/19. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:50 am
MEL
-
PHL
2 stops24h 27m
Virgin Australia
Wed 8/196:00 am
PHL
-
MEL
1 stop36h 15m
Virgin Australia
Deal found 7/19$1,190
This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:20 am
SYD
-
PHL
1 stop22h 55m
Virgin Australia
Wed 8/196:36 pm
PHL
-
SYD
1 stop22h 19m
Virgin Australia
Deal found 7/20$1,218
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:15 am
SYD
-
PHL
2 stops34h 50m
Delta
Mon 9/1412:29 pm
PHL
-
SYD
2 stops28h 21m
Delta
Deal found 7/24$1,238
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:50 am
SYD
-
PHL
1 stop21h 08m
United Airlines
Wed 12/96:13 pm
PHL
-
SYD
1 stop23h 07m
United Airlines
Deal found 7/21$1,254
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:15 am
SYD
-
PHL
2 stops29h 25m
Delta
Thu 9/248:10 am
PHL
-
SYD
2 stops32h 40m
Delta
Deal found 7/23$1,275
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:15 am
SYD
-
PHL
2 stops28h 41m
Delta
Fri 9/115:45 am
PHL
-
SYD
2 stops35h 05m
Delta
Deal found 7/21$1,310

Find flight deals from Australia to Philadelphia

Keep the following information in mind while searching for Australia to Philadelphia flight deals. Data was last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$969
(United Airlines)

One-way from

$588
(Kiwi.com)

Popular in

September

Cheapest in

July

Average price

$1,094
Provider with most accurate pricing for Sydney Kingsford Smith-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Philadelphia flights.
Search Deals
From Australia to Philadelphia
Search Deals
One-way flight from Australia to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Philadelphia 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 July 24, 2026.
Use the filters below to find and compare flights from Australia to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 8/14

10:55 am-8:55 pm

1 stop24h 00m

Philadelphia

Wed 8/26

10:34 am-7:30 am

2 stops30h 56m

$973
Quickest round-trip

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 8/13

10:20 am-5:30 pm

1 stop21h 10m

Philadelphia

Mon 8/17

6:36 pm-6:55 am

1 stop22h 19m

$1,169

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 8/11

9:15 am-11:56 pm

2 stops28h 41m

Philadelphia

Wed 8/19

3:58 pm-6:50 am

2 stops24h 52m

$1,187

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Wed 8/12

6:05 am-8:55 pm

2 stops28h 20m

Philadelphia

Wed 9/2

9:27 am-11:10 am

2 stops36h 13m

$1,336

CanberraPhiladelphia

CBR - PHL

CBRPHL

Canberra

Fri 9/4

12:40 pm-12:26 pm

3 stops37h 46m

Philadelphia

Fri 9/11

7:10 am-11:40 am

3 stops38h 30m

$1,353

CanberraPhiladelphia

CBR - PHL

CBRPHL

Canberra

Thu 8/6

6:10 am-7:04 am

2 stops38h 54m

Philadelphia

Mon 8/10

7:00 am-12:10 pm

2 stops39h 10m

$1,459

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Thu 8/13

6:05 am-8:55 pm

2 stops28h 20m

Philadelphia

Mon 8/17

9:27 am-11:10 am

2 stops36h 13m

$1,485

CanberraPhiladelphia

CBR - PHL

CBRPHL

Canberra

Mon 8/17

6:10 am-6:48 pm

2 stops26h 38m

Philadelphia

Mon 8/24

3:37 pm-10:20 am

2 stops28h 43m

$1,490

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Thu 9/3

12:10 pm-10:31 pm

2 stops24h 21m

Philadelphia

Sat 9/19

6:16 am-10:55 am

2 stops38h 39m

$1,498

CanberraPhiladelphia

CBR - PHL

CBRPHL

Canberra

Thu 8/6

8:10 am-1:23 am

2 stops31h 13m

Philadelphia

Mon 8/10

6:19 pm-1:15 pm

2 stops28h 56m

$1,519

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 49 resultsSorted by cheapest first
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Best time to book a flight from Australia to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Australia 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 Australia to Philadelphia

What is the cheapest month to book a flight from Australia to Philadelphia?

Currently, November is the cheapest month in which you can book a flight from Australia to Philadelphia (average of $1,189). Flying from Australia to Philadelphia in June is currently the most expensive (average of $1,935). 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.

Related info for your journey

Find useful and relevant information for your journey from Australia to Philadelphia. 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 into for flights to Philadelphia from Australia?

    For a flight from Australia to Philadelphia, you will be flying into Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How long is the flight from Australia to Philadelphia?

    Airlines like United Airlines, American Airlines, and Air New Zealand fly from Australia to Philadelphia in about 24h. The time it takes to get you to your destination can typically vary by up to 14h 54m. Airlines will cover a distance of 10283 mi. This flight may include one or multiple stops.

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

    Most travelers choose Melbourne - Philadelphia, Sydney Kingsford Smith - Philadelphia or Adelaide - Philadelphia when deciding on the best route from Australia to Philadelphia.

  • Can I find deals for flights from Australia to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Australia to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Philadelphia.

  • Can I find deals for business class flights from Australia to Philadelphia?

    Yes. Cheapflights offers flight deals from Australia to Philadelphia 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 Australia to Philadelphia?

    Currently, November is the cheapest month in which you can book a flight from Australia to Philadelphia (average of $1,189). Flying from Australia to Philadelphia in June is currently the most expensive (average of $1,935). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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