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Cheap flights from Australia to Philadelphia from $841

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Philadelphia

Enter your travel dates to find the best prices.

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 24 July 2026.

Sun 26/710:55
MEL
-
PHL
1 stop28h 28m
United Airlines
Sun 2/806:00
PHL
-
MEL
1 stop36h 15m
United Airlines
Deal found 20/7$1,371
Wed 29/710:55
MEL
-
PHL
2 stops32h 36m
United Airlines
Wed 5/816:14
PHL
-
MEL
2 stops25h 16m
United Airlines
Deal found 20/7$1,374
Fri 14/810:55
MEL
-
PHL
1 stop24h 00m
United Airlines
Wed 26/809:27
PHL
-
MEL
1 stop32h 48m
United Airlines
Deal found 20/7$1,386
Tue 11/813:15
SYD
-
PHL
3 stops39h 19m
Multiple Airlines
Wed 19/808:15
PHL
-
SYD
3 stops37h 35m
Multiple Airlines
Deal found 19/7$1,555
Fri 4/913:15
SYD
-
PHL
3 stops37h 11m
Multiple Airlines
Fri 11/910:37
PHL
-
SYD
3 stops35h 13m
Multiple Airlines
Deal found 21/7$1,647
Thu 13/810:20
SYD
-
PHL
2 stops27h 24m
United Airlines
Mon 17/818:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 19/7$1,673
Tue 11/809:15
SYD
-
PHL
2 stops28h 41m
Delta
Wed 19/815:58
PHL
-
SYD
2 stops24h 52m
Delta
Deal found 20/7$1,698
Fri 7/806:50
MEL
-
PHL
2 stops24h 27m
Virgin Australia
Wed 19/806:00
PHL
-
MEL
1 stop36h 15m
Virgin Australia
Deal found 19/7$1,703
Tue 11/810:20
SYD
-
PHL
1 stop22h 55m
Virgin Australia
Wed 19/818:36
PHL
-
SYD
1 stop22h 19m
Virgin Australia
Deal found 20/7$1,743
Sat 5/1211:20
SYD
-
PHL
2 stops27h 53m
United Airlines
Wed 9/1218:13
PHL
-
SYD
1 stop23h 07m
United Airlines
Deal found 21/7$1,794
Thu 10/909:15
SYD
-
PHL
2 stops29h 25m
Delta
Thu 24/908:10
PHL
-
SYD
2 stops32h 40m
Delta
Deal found 23/7$1,824
Wed 12/806:05
ADL
-
PHL
2 stops28h 20m
United Airlines
Wed 2/909:27
PHL
-
ADL
2 stops36h 13m
United Airlines
Deal found 24/7$1,912

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 24 July 2026.

Round-trip from

$1,386

One-way from

$841

Popular in

September

Cheapest in

July

Average price

$1,565
United Airlines
  • United Airlines
  • 14/8-26/8
  • 2 total stops
  • 56h 48m total
  • Australia to Philadelphia
Search Deals
9/12
  • 9/12
  • 3 total stops
  • 31h 27m total
  • Australia to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($405 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($163 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 24 July 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 return flight

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Fri 14/8

10:55-21:43

2 stops24h 48m

Philadelphia

Wed 26/8

15:48-07:30

2 stops25h 42m

$1,392

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

13:15-14:34

3 stops39h 19m

Philadelphia

Wed 19/8

08:15-11:50

3 stops37h 35m

$1,555

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

10:20-23:44

2 stops27h 24m

Philadelphia

Mon 17/8

18:36-06:55

1 stop22h 19m

$1,673

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

09:15-23:56

2 stops28h 41m

Philadelphia

Wed 19/8

15:58-06:50

2 stops24h 52m

$1,698

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

10:20-07:49

1 stop35h 29m

Philadelphia

Wed 19/8

18:36-06:55

1 stop22h 19m

$1,744

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Wed 12/8

06:05-20:55

2 stops28h 20m

Philadelphia

Wed 2/9

09:27-11:10

2 stops36h 13m

$1,912

CanberraPhiladelphia

CBR - PHL

CBRPHL

Canberra

Fri 4/9

12:40-12:26

3 stops37h 46m

Philadelphia

Fri 11/9

07:10-11:40

3 stops38h 30m

$1,936

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Fri 20/11

11:40-17:09

1 stop20h 29m

Philadelphia

Mon 30/11

09:08-07:30

1 stop31h 22m

$1,970
Fastest return journey

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Tue 3/11

09:40-18:37

2 stops23h 57m

Philadelphia

Wed 11/11

15:14-06:30

1 stop24h 16m

$2,040

BrisbanePhiladelphia

BNE - PHL

BNEPHL

Brisbane

Mon 17/8

12:20-07:49

2 stops33h 29m

Philadelphia

Mon 24/8

06:00-11:05

2 stops39h 05m

$2,065

Flights are sorted by cheapest return flights first.

Deals found on 21/7

Showing 1-10 of 51 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 return 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 $1,701). Flying from Australia to Philadelphia in June is currently the most expensive (average of $2,769). 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 Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated 24 July 2026.
Read reviews from past customers who have flown with Qantas Airways,United Airlines, andQatar Airways from Australia to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,067 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,067 reviews
Qantas Airways
7.5
Good
1,067 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
United Airlines
7.4
Good
10,035 reviews
Qantas Airways
7.5
Good
1,067 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qatar Airways
7.3
Good
3,747 reviews
Qantas Airways
7.5
Good
1,067 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
American Airlines
7.1
Good
11,853 reviews
Qantas Airways
7.5
Good
1,067 reviews
Check prices

Food

7.0

Comfort

7.4

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

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?

    If you book a flight to Philadelphia from Australia, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 11.2 km from the centre of Philadelphia.

  • 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 23h 57m. The time it takes to get you to your destination can typically vary by up to 9h 32m. Australia and Philadelphia are separated by a distance of 15377 km. This flight may include one or multiple stops.

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

    Most travellers choose Melbourne - Philadelphia, Sydney Kingsford Smith - Philadelphia or Canberra - 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 holiday 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 $1,701). Flying from Australia to Philadelphia in June is currently the most expensive (average of $2,769). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Australia to Philadelphia

Discover the top 4 airlines that operate flights from Australia to Philadelphia. 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 647,157 searches. Data last updated 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$1,554FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,126Average$2,303FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,542Average$2,085FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qatar AirwaysCheapest$2,388Average$2,571FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Philadelphia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Philadelphia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Australia to Philadelphia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Australia to Philadelphia.

Can Cheapflights find flights from Australia to Philadelphia with no change fees?

Need flexible booking options for your flight to Philadelphia from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Australia to Philadelphia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Philadelphia from Australia today and book when prices fit your budget.

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