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Cheap flights from Philadelphia to Australia from $764

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
4 fev — 11 fev1
1 adult

Cheap flight deals from Philadelphia to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Australia (AU0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 janeiro 2025.

Round-trip from

$1,361

One-way from

$764

Popular in

December

Cheapest in

March

Average price

$2,672
United Airlines
  • United Airlines
  • 10/2-24/2
  • 3 total stops
  • 69h 18m total
  • Philadelphia to Australia
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5/2
  • 5/2
  • 3 total stops
  • 33h 18m total
  • Philadelphia to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($497 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($130 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 30 janeiro 2025.

seg 10/208:00PHL - SYD
1 stop31h 00mUnited Airlines
seg 24/212:10SYD - PHL
2 stops38h 18mUnited Airlines
Deal found 29/1$1,361
sex 14/306:00PHL - BNE
2 stops34h 45mDelta
sex 28/309:45BNE - PHL
2 stops29h 04mDelta
Deal found 29/1$1,402
sáb 15/310:03PHL - BNE
3 stops34h 17mMultiple Airlines
sáb 22/306:10BNE - PHL
3 stops31h 49mMultiple Airlines
Deal found 29/1$1,682
sáb 15/310:03PHL - MEL
3 stops35h 12mMultiple Airlines
sáb 22/320:20MEL - PHL
3 stops42h 39mMultiple Airlines
Deal found 28/1$1,709
seg 3/215:30PHL - SYD
2 stops26h 05mAir Canada
seg 10/211:20SYD - PHL
3 stops43h 30mAir Canada
Deal found 29/1$1,771
ter 1/406:00PHL - SYD
1 stop33h 35mMultiple Airlines
sáb 5/414:45SYD - PHL
2 stops24h 14mMultiple Airlines
Deal found 29/1$1,776
seg 3/215:30PHL - BNE
2 stops26h 10mAir Canada
sex 7/210:45BNE - PHL
2 stops43h 05mAir Canada
Deal found 29/1$1,842
ter 26/817:35PHL - SYD
2 stops27h 00mAir New Zealand
ter 2/909:55SYD - PHL
2 stops35h 26mAir New Zealand
Deal found 29/1$1,953
ter 18/318:49PHL - BNE
2 stops37h 46mFiji Airways
ter 1/411:35BNE - PHL
2 stops25h 36mFiji Airways
Deal found 29/1$1,988
ter 26/817:35PHL - SYD
1 stop23h 30mQantas Airways
ter 2/909:10SYD - PHL
1 stop22h 10mQantas Airways
Deal found 29/1$2,075
sáb 29/317:16PHL - MEL
2 stops27h 59mFiji Airways
sex 25/423:35MEL - PHL
2 stops37h 22mFiji Airways
Deal found 29/1$2,076
dom 20/413:55PHL - BNE
1 stop25h 05mAmerican Airlines
qua 30/422:00BNE - PHL
1 stop23h 10mAmerican Airlines
Deal found 29/1$2,153

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 30 janeiro 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

seg 10/2

08:00-07:00

1 stop31h 00m

Sydney Kingsford Smith

seg 24/2

12:10-21:42

1 stop25h 32m

$1,361

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

sex 14/3

06:00-06:45

2 stops34h 45m

Brisbane

sex 28/3

09:45-00:49

2 stops29h 04m

$1,402

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

sáb 15/3

10:03-10:20

3 stops34h 17m

Brisbane

sáb 22/3

06:10-23:59

3 stops31h 49m

$1,682

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

sáb 15/3

10:03-12:15

3 stops35h 12m

Melbourne

sáb 22/3

20:20-23:59

3 stops42h 39m

$1,709

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

seg 3/2

15:30-09:35

2 stops26h 05m

Sydney Kingsford Smith

seg 10/2

11:20-14:50

3 stops43h 30m

$1,771

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

ter 1/4

06:00-06:35

1 stop33h 35m

Sydney Kingsford Smith

sáb 5/4

14:45-23:59

2 stops24h 14m

$1,776

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

ter 1/4

17:00-12:45

2 stops28h 45m

Sydney Kingsford Smith

sáb 5/4

06:00-22:57

2 stops31h 57m

$1,927

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

ter 18/3

18:49-22:35

2 stops37h 46m

Brisbane

ter 1/4

11:35-23:11

2 stops25h 36m

$1,988

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

seg 17/3

17:13-09:00

1 stop24h 47m

Sydney Kingsford Smith

seg 31/3

10:10-17:22

1 stop22h 12m

$2,075

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

sáb 29/3

17:16-12:15

2 stops27h 59m

Melbourne

sex 25/4

23:35-22:57

2 stops37h 22m

$2,076

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 51 results
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2
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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 30 janeiro 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 30 janeiro 2025.
To help decide which airline to fly from Philadelphia to Australia, see what other customers have to say about Air Tahiti Nui, Korean Air 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.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Overall

8.7

Crew

9.1

Entertainment

7.2

Food

7.8

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Overall

8.7

Crew

9.1

Entertainment

7.2

Food

7.8

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Korean Air
8.5
Very Good
1,036 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Overall

8.7

Crew

9.1

Entertainment

7.2

Food

7.8

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Fiji Airways
8.0
Very Good
186 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Overall

8.7

Crew

9.1

Entertainment

7.2

Food

7.8

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
8.0
Very Good
8,456 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Overall

8.7

Crew

9.1

Entertainment

7.2

Food

7.8

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Alaska Airlines
8.0
Very Good
9,688 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Boarding

8.7

Overall

8.7

Crew

9.1

Entertainment

7.2

Food

7.8

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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 Alaska Airlines, with whom users have recently found tickets for as low as $987. However, be on the lookout for offers from Fiji Airways and Qatar Airways, 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?

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

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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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