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Cheap flights from Philadelphia to Australia from $766

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
9 Mar — 16 Mar1
1 adult

Cheap flight deals from Philadelphia to Australia

Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated 4 March 2025.

Round-trip from

$1,389

One-way from

$766

Popular in

December

Cheapest in

March

Average price

$1,787
United Airlines
  • United Airlines
  • 16/3-19/3
  • 4 total stops
  • 49h 40m total
  • Philadelphia to Australia
1/5
  • 1/5
  • 2 total stops
  • 30h 05m total
  • Philadelphia to Australia
Highest demand for flights based on searches. 14% potential increase in price ($647 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($143 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find 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 4 March 2025.

Thu 13/309:30PHL - SYD
2 stops30h 30mUnited Airlines
Tue 18/311:20SYD - PHL
2 stops25h 00mUnited Airlines
Deal found 3/3$1,389
Wed 30/415:30PHL - SYD
2 stops25h 50mAir Canada
Sun 18/509:20SYD - PHL
2 stops43h 16mAir Canada
Deal found 3/3$1,404
Tue 11/310:03PHL - SYD
3 stops35h 27mMultiple Airlines
Wed 19/306:20SYD - PHL
3 stops32h 39mMultiple Airlines
Deal found 3/3$1,616
Wed 12/306:30PHL - MEL
2 stops38h 50mMultiple Airlines
Mon 17/313:45MEL - PHL
2 stops30h 26mMultiple Airlines
Deal found 3/3$1,617
Sat 3/509:45PHL - BNE
2 stops31h 20mAir Canada
Wed 21/510:00BNE - PHL
2 stops42h 36mAir Canada
Deal found 3/3$1,720
Fri 13/611:00PHL - BNE
3 stops33h 40mMultiple Airlines
Wed 20/810:00BNE - PHL
2 stops42h 40mMultiple Airlines
Deal found 3/3$1,794
Thu 11/920:30PHL - PER
1 stop27h 25mQatar Airways
Sun 21/915:20PER - PHL
1 stop29h 40mQatar Airways
Deal found 3/3$2,072
Thu 17/418:35PHL - MEL
2 stops26h 55mFiji Airways
Thu 24/412:55MEL - PHL
2 stops24h 05mFiji Airways
Deal found 3/3$2,158
Wed 12/320:45PHL - MEL
1 stop30h 40mQatar Airways
Mon 17/323:30MEL - PHL
1 stop32h 00mQatar Airways
Deal found 3/3$2,174
Sat 14/618:42PHL - BNE
2 stops25h 53mFiji Airways
Thu 21/811:40BNE - PHL
2 stops25h 16mFiji Airways
Deal found 3/3$2,348
Fri 24/1017:25PHL - SYD
2 stops28h 20mFiji Airways
Sat 1/1114:30SYD - PHL
2 stops23h 39mFiji Airways
Deal found 3/3$2,357
Mon 29/1206:10PHL - SYD
2 stops36h 20mANA
Thu 15/121:45SYD - PHL
2 stops32h 06mANA
Deal found 4/3$2,502

Find flights from Philadelphia to Australia within your budget

Customise 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 647,157 searches. Data last updated 4 March 2025.

Fly from

Philadelphia

Fly to

Australia

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 16/3

16:55-09:05

2 stops25h 10m

Sydney Kingsford Smith

Sun 23/3

11:20-05:10

2 stops32h 50m

$1,389

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 30/4

15:30-07:20

2 stops25h 50m

Sydney Kingsford Smith

Sun 18/5

09:20-14:36

2 stops43h 16m

$1,404

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 3/5

09:45-07:05

2 stops31h 20m

Brisbane

Wed 21/5

10:00-14:36

2 stops42h 36m

$1,720

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 7/5

22:33-07:30

1 stop42h 57m

Sydney Kingsford Smith

Tue 13/5

17:45-14:02

1 stop34h 17m

$1,783

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Fri 13/6

11:00-10:40

3 stops33h 40m

Brisbane

Wed 20/8

10:00-14:40

2 stops42h 40m

$1,794

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Thu 17/4

18:35-19:20

2 stops34h 45m

Melbourne

Thu 24/4

07:30-23:00

2 stops29h 30m

$2,043

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Thu 17/4

18:35-11:30

2 stops26h 55m

Melbourne

Thu 24/4

12:55-23:00

2 stops24h 05m

$2,158

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 14/6

18:42-10:35

2 stops25h 53m

Brisbane

Thu 21/8

11:40-22:56

2 stops25h 16m

$2,348

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 26/4

18:35-11:45

2 stops27h 10m

Sydney Kingsford Smith

Sat 3/5

13:45-22:56

2 stops23h 11m

$2,409

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Mon 31/3

21:00-21:05

2 stops33h 35m

Adelaide

Mon 7/4

21:40-09:15

1 stop49h 05m

$2,552

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 46 results
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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 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.

Travel insights for flights from Philadelphia to Australia

Get recent, data-driven insights about flights from Philadelphia to Australia including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $129). Flying from Philadelphia to Australia in October is currently the most expensive (average of $171). 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.

What is the cheapest time of day to fly from PHL to AU?

Find hourly flight availability from Philadelphia to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 March 2025.

When flying from Philadelphia to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 4 March 2025.
To help decide which airline to fly from Philadelphia to Australia, see what other customers have to say about ANA, Emirates and Fiji Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.6

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.4
Very Good

Entertainment

7.9

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.6

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Entertainment

7.9

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.6

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Entertainment

7.9

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.6

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.0
Very Good

Entertainment

7.9

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.6

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Entertainment

7.9

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.6

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

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?

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Australia. It is only a 11.2 km journey to Philadelphia (PHL) from Philadelphia’s city centre.

  • What are the cheapest airlines to fly from Philadelphia to Australia one-way?

    The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as $1,209. However, be on the lookout for offers from Qantas Airways and Air New Zealand, as they are both options that can get you from Philadelphia to Australia for a low price.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $129). Flying from Philadelphia to Australia in October is currently the most expensive (average of $171). 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 airline flying from Philadelphia to Australia

Discover the top airline 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 647,157 searches. Data last updated 4 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,380Average$1,722FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Philadelphia to Australia flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Philadelphia to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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