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$593+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
abr. 14 — abr. 211
lun. 4/14
lun. 4/21
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 abril 9, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,059
(Air Canada)

One-way from

$593
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,391
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. 13% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 9, 2025.

This Air Canada deal was found by Cheapflights users on 4/8. 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.
mié. 12/33:30 pmPHL - SYD
2 stops47h 25mAir Canada
mié. 1/1411:20 amSYD - PHL
2 stops43h 30mAir Canada
Deal found 4/8$1,003
This Trip.com deal was found by Cheapflights users on 4/6. 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.
mié. 5/285:34 pmPHL - MEL
2 stops39h 01mMultiple Airlines
vie. 6/61:35 pmMEL - PHL
2 stops31h 15mMultiple Airlines
Deal found 4/6$1,182
This StudentUniverse deal was found by Cheapflights users on 4/8. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:35 pmPHL - SYD
2 stops26h 55mFiji Airways
sáb. 11/82:30 pmSYD - PHL
2 stops24h 26mFiji Airways
Deal found 4/8$1,213
This FlightHub deal was found by Cheapflights users on 4/7. 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.
mar. 5/66:47 pmPHL - BNE
2 stops38h 03mFiji Airways
mar. 5/1311:40 amBNE - PHL
2 stops25h 10mFiji Airways
Deal found 4/7$1,231
This Air Canada deal was found by Cheapflights users on 4/8. 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.
mié. 4/3012:50 pmPHL - SYD
2 stops28h 30mMultiple Airlines
vie. 5/169:20 amSYD - PHL
2 stops39h 00mMultiple Airlines
Deal found 4/8$1,238
This Air Canada deal was found by Cheapflights users on 4/8. 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.
mié. 9/1010:35 amPHL - AVV
3 stops39h 30mMultiple Airlines
lun. 9/228:55 pmAVV - PHL
3 stops39h 33mMultiple Airlines
Deal found 4/8$1,324
This Air Canada deal was found by Cheapflights users on 4/8. 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.
mié. 9/1010:35 amPHL - MEL
3 stops34h 30mAir Canada
lun. 9/228:30 pmMEL - PHL
3 stops39h 58mAir Canada
Deal found 4/8$1,346
This Trip.com deal was found by Cheapflights users on 4/7. 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.
jue. 5/225:34 pmPHL - ADL
2 stops28h 31mMultiple Airlines
jue. 5/2912:35 pmADL - PHL
2 stops31h 45mMultiple Airlines
Deal found 4/7$1,529
This Mytrip deal was found by Cheapflights users on 4/8. 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.
sáb. 5/244:50 pmPHL - PER
3 stops35h 25mMultiple Airlines
sáb. 5/318:30 pmPER - PHL
3 stops46h 00mMultiple Airlines
Deal found 4/8$1,553
This KAYAK deal was found by Cheapflights users on 4/8. 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.
mié. 11/56:20 pmPHL - MEL
2 stops32h 05mQatar Airways
dom. 11/165:10 pmMEL - PHL
1 stop31h 50mQatar Airways
Deal found 4/8$1,562
This Gurufare deal was found by Cheapflights users on 4/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/256:33 pmPHL - SYD
1 stop22h 22mAir New Zealand
lun. 9/811:50 amSYD - PHL
2 stops31h 33mAir New Zealand
Deal found 4/8$1,597
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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.
dom. 11/96:30 amPHL - SYD
2 stops36h 00mANA
dom. 11/239:45 pmSYD - PHL
2 stops32h 06mANA
Deal found 4/7$1,609

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 abril 9, 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

mié. 6/4

9:45 am-7:20 am

2 stops31h 35m

Sydney Kingsford Smith

mié. 6/11

9:20 am-10:18 am

2 stops38h 58m

$1,059

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

mié. 5/28

5:34 pm-10:35 pm

2 stops39h 01m

Melbourne

vie. 6/6

1:35 pm-6:50 am

2 stops31h 15m

$1,182

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mar. 5/6

6:47 pm-10:50 pm

2 stops38h 03m

Brisbane

mar. 5/13

11:40 am-10:50 pm

2 stops25h 10m

$1,231

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mié. 4/30

12:50 pm-7:20 am

2 stops28h 30m

Sydney Kingsford Smith

vie. 5/16

9:20 am-10:20 am

2 stops39h 00m

$1,238

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

mié. 9/10

6:55 am-11:05 am

3 stops38h 10m

Melbourne

dom. 9/21

8:45 pm-10:28 pm

3 stops39h 43m

$1,346

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

jue. 6/12

4:50 pm-7:05 am

2 stops48h 15m

Brisbane

mar. 7/22

10:20 am-10:07 pm

2 stops25h 47m

$1,377

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

sáb. 8/16

5:35 pm-10:10 pm

2 stops38h 35m

Sydney Kingsford Smith

sáb. 8/23

1:45 pm-10:56 pm

2 stops23h 11m

$1,475

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

jue. 6/12

4:50 pm-7:05 am

2 stops48h 15m

Brisbane

mar. 7/22

8:45 pm-10:29 pm

3 stops39h 44m

$1,501

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

jue. 5/22

5:34 pm-11:35 am

2 stops28h 31m

Adelaide

jue. 5/29

12:35 pm-6:50 am

2 stops31h 45m

$1,529

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

sáb. 5/24

4:50 pm-4:15 pm

3 stops35h 25m

Perth

sáb. 5/31

8:30 pm-6:30 am

3 stops46h 00m

$1,553

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 43 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 $1,046). 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 abril 9, 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 abril 9, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Fiji Airways and Air New Zealand 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
8.8
Very good
62 reviews

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

Boarding

8.7

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

Boarding

8.7

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
180 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

Boarding

8.7

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
463 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

Boarding

8.7

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.
Qantas Airways
7.5
Good
817 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

Boarding

8.7

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.
Cathay Pacific
7.5
Good
843 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Entertainment

7.3

Overall

8.8

Comfort

8.1

Crew

9.1

Boarding

8.7

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 Etihad Airways. According to our data, you can fly for as low as $920. Users have also found prices from $1,057 and $1,063 on Qantas Airways and United Airlines, 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 - Brisbane.

  • 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 $1,046). 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 abril 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,816FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,050FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$863Average$1,476FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$945Average$1,363FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,220Average$1,840FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$1,228Average$1,481FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,296Average$1,636FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,336Average$2,081FlexibilityNo cancel feeOn-time74%

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