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$581+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
may. 17 — may. 241
sáb. 5/17
sáb. 5/24
1 adult, Economy
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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 mayo 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,020
(Mytrip)

One-way from

$581
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,496
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
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From Philadelphia to Australia
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One-way flight from Philadelphia to Australia
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Highest demand for flights based on searches. 15% potential increase in price ($269 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 mayo 12, 2025.

This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/107:45 amPHL - SYD
2 stops33h 35mMultiple Airlines
mar. 6/179:20 amSYD - PHL
2 stops35h 40mMultiple Airlines
Deal found 5/11$1,020
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/277:45 amPHL - MEL
2 stops37h 45mMultiple Airlines
dom. 6/112:55 pmMEL - PHL
2 stops31h 35mMultiple Airlines
Deal found 5/12$1,126
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/259:45 amPHL - SYD
2 stops31h 35mAir Canada
lun. 9/89:20 amSYD - PHL
2 stops26h 48mAir Canada
Deal found 5/12$1,170
This oojo deal was found by Cheapflights users on 5/11. 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.
mar. 8/266:46 pmPHL - SYD
2 stops26h 59mFiji Airways
mar. 9/21:15 pmSYD - PHL
2 stops23h 42mFiji Airways
Deal found 5/11$1,229
This FlightHub deal was found by Cheapflights users on 5/11. 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.
sáb. 8/236:46 pmPHL - BNE
2 stops25h 39mFiji Airways
sáb. 9/611:50 pmBNE - PHL
2 stops38h 53mFiji Airways
Deal found 5/11$1,258
This Air Canada deal was found by Cheapflights users on 5/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/19:45 amPHL - BNE
2 stops31h 20mAir Canada
dom. 6/810:00 amBNE - PHL
2 stops50h 06mAir Canada
Deal found 5/10$1,267
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/116:30 amPHL - MEL
2 stops38h 20mAir New Zealand
mar. 8/198:35 amMEL - PHL
2 stops27h 51mAir New Zealand
Deal found 5/12$1,285
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/256:48 pmPHL - SYD
1 stop22h 17mQantas Airways
lun. 9/89:10 amSYD - PHL
1 stop29h 33mQantas Airways
Deal found 5/12$1,293
This Air Canada deal was found by Cheapflights users on 5/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/19:45 amPHL - BNE
2 stops31h 20mMultiple Airlines
dom. 6/88:45 pmBNE - PHL
3 stops39h 43mMultiple Airlines
Deal found 5/10$1,301
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:30 amPHL - AVV
3 stops40h 40mMultiple Airlines
mar. 8/198:55 pmAVV - PHL
3 stops50h 59mMultiple Airlines
Deal found 5/12$1,311
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:30 amPHL - MEL
3 stops37h 35mAir Canada
mar. 8/196:00 amMEL - PHL
3 stops41h 54mAir Canada
Deal found 5/12$1,323
This KAYAK deal was found by Cheapflights users on 5/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/226:20 amPHL - BNE
2 stops36h 10mAir New Zealand
mar. 8/129:45 amBNE - PHL
2 stops40h 11mAir New Zealand
Deal found 5/11$1,336

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 mayo 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Fly from

Philadelphia

Fly to

Australia

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mar. 6/10

7:45 am-7:20 am

2 stops33h 35m

Sydney Kingsford Smith

mar. 6/17

9:20 am-7:00 am

2 stops35h 40m

$1,020

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

mar. 5/27

7:45 am-11:30 am

2 stops37h 45m

Melbourne

dom. 6/1

12:55 pm-6:30 am

2 stops31h 35m

$1,126

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun. 8/25

9:45 am-7:20 am

2 stops31h 35m

Sydney Kingsford Smith

lun. 9/8

9:20 am-10:08 pm

2 stops26h 48m

$1,170

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mar. 8/26

6:46 pm-11:45 am

2 stops26h 59m

Sydney Kingsford Smith

mar. 9/2

1:15 pm-10:57 pm

2 stops23h 42m

$1,229

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

sáb. 8/23

6:46 pm-10:25 am

2 stops25h 39m

Brisbane

sáb. 9/6

11:50 pm-12:43 am

2 stops38h 53m

$1,258

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

dom. 6/1

9:45 am-7:05 am

2 stops31h 20m

Brisbane

dom. 6/8

10:00 am-10:06 pm

2 stops50h 06m

$1,267

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

lun. 8/11

6:30 am-10:50 am

2 stops38h 20m

Melbourne

mar. 8/19

8:35 am-10:26 pm

2 stops27h 51m

$1,285

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun. 8/25

6:48 pm-7:05 am

1 stop22h 17m

Sydney Kingsford Smith

lun. 9/8

9:10 am-12:43 am

1 stop29h 33m

$1,293

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

dom. 6/1

9:45 am-7:05 am

2 stops31h 20m

Brisbane

dom. 6/8

8:45 pm-10:28 pm

3 stops39h 43m

$1,301

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

lun. 8/11

7:30 am-2:10 pm

3 stops40h 40m

Melbourne Avalon

mar. 8/19

8:55 pm-9:54 am

3 stops50h 59m

$1,311

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 44 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 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, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,043). Flying from Philadelphia to Australia in December is currently the most expensive (average of $1,643). 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 mayo 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Australia as you normally would.

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 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 mayo 12, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Fiji Airways and Emirates from Philadelphia to Australia. 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.
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Boarding

8.7

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

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
63 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Boarding

8.7

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

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
8.1
Very good
191 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Boarding

8.7

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

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.
Emirates
8.0
Very good
3,228 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Boarding

8.7

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

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
7,950 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Boarding

8.7

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

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 New Zealand
8.0
Very good
476 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Overall

8.7

Boarding

8.7

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

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?

    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.

  • 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 $988. Users have also found prices from $1,054 and $1,163 on Qatar Airways and Etihad Airways, respectively.

  • 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 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, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,043). Flying from Philadelphia to Australia in December is currently the most expensive (average of $1,643). 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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Alternative routes for Philadelphia to Australia

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Top 8 airlines flying from Philadelphia to Australia

Discover the top 8 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 mayo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,812FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,050FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,411FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$945Average$1,493FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$945Average$1,313FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,220Average$1,680FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,296Average$1,636FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,336Average$2,048FlexibilityNo cancel feeOn-time74%

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