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$454+ Cheap flights from Pennsylvania 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Pennsylvania to Australia

Keep the following information in mind while searching for Pennsylvania to Australia flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$915
(Trip.com)

One-way from

$454
(Trip.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 Pennsylvania to Australia
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One-way flight from Pennsylvania to Australia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($54 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 Pennsylvania to Australia

Cheapest flights from Pennsylvania to Australia
Explore the most affordable flight options available from Pennsylvania to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/312:02 pmIAD - MEL
2 stops32h 13mMultiple Airlines
Sat 6/71:40 pmMEL - IAD
2 stops34h 29mMultiple Airlines
Deal found 4/16$891
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/311:35 pmLGA - MEL
2 stops32h 40mMultiple Airlines
Sat 6/71:40 pmMEL - LGA
2 stops39h 20mMultiple Airlines
Deal found 4/16$901
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/311:09 pmJFK - MEL
2 stops33h 06mMultiple Airlines
Sat 6/71:40 pmMEL - JFK
2 stops36h 17mMultiple Airlines
Deal found 4/16$918
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/312:02 pmIAD - SYD
2 stops31h 43mMultiple Airlines
Sat 6/71:45 pmSYD - IAD
2 stops34h 24mMultiple Airlines
Deal found 4/16$988
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Tue 11/41:52 pmEWR - SYD
2 stops30h 38mMultiple Airlines
Mon 11/106:10 amSYD - EWR
3 stops39h 22mMultiple Airlines
Deal found 4/16$998
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/311:35 pmLGA - SYD
2 stops32h 10mMultiple Airlines
Sat 6/71:45 pmSYD - LGA
2 stops39h 15mMultiple Airlines
Deal found 4/16$1,015
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/311:09 pmJFK - SYD
2 stops32h 36mMultiple Airlines
Sat 6/71:45 pmSYD - JFK
2 stops36h 12mMultiple Airlines
Deal found 4/16$1,016
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Thu 5/152:00 pmEWR - MEL
3 stops31h 30mMultiple Airlines
Wed 5/2812:55 pmMEL - EWR
3 stops30h 47mMultiple Airlines
Deal found 4/16$1,058
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Sat 11/15:31 pmIAD - SYD
2 stops27h 14mQantas Airways
Tue 11/117:05 amSYD - IAD
2 stops25h 07mQantas Airways
Deal found 4/17$1,101
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Sat 11/15:15 pmDCA - SYD
2 stops27h 30mQantas Airways
Tue 11/116:05 amSYD - DCA
2 stops26h 23mQantas Airways
Deal found 4/17$1,101
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Sat 10/187:17 pmDCA - SYD
2 stops35h 53mFiji Airways
Sat 11/16:00 amSYD - DCA
2 stops32h 00mFiji Airways
Deal found 4/17$1,161
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Mon 8/113:00 pmIAD - SYD
2 stops27h 45mAir New Zealand
Wed 8/2011:50 amSYD - IAD
2 stops26h 40mAir New Zealand
Deal found 4/17$1,206

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania 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 April 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to Australia that are best for you.

Fly from

Pennsylvania

Fly to

Australia

Route

Depart

Return

Price

New YorkMelbourne

LGA - MEL

LGAMEL

New York LaGuardia

Sat 5/31

1:35 pm-12:15 pm

2 stops32h 40m

Melbourne

Sat 6/7

1:40 pm-3:00 pm

2 stops39h 20m

$901

New YorkMelbourne

JFK - MEL

JFKMEL

New York John F Kennedy Intl

Sat 5/31

1:09 pm-12:15 pm

2 stops33h 06m

Melbourne

Sat 6/7

1:40 pm-11:57 am

2 stops36h 17m

$918

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 5/31

2:02 pm-11:45 am

2 stops31h 43m

Sydney Kingsford Smith

Sat 6/7

1:45 pm-10:09 am

2 stops34h 24m

$988

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sat 5/31

1:35 pm-11:45 am

2 stops32h 10m

Sydney Kingsford Smith

Sat 6/7

1:45 pm-3:00 pm

2 stops39h 15m

$1,015

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sat 5/31

1:09 pm-11:45 am

2 stops32h 36m

Sydney Kingsford Smith

Sat 6/7

1:45 pm-11:57 am

2 stops36h 12m

$1,016

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 8/11

3:00 pm-8:45 am

2 stops27h 45m

Sydney Kingsford Smith

Wed 8/20

11:50 am-12:30 am

2 stops26h 40m

$1,206

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 5/10

7:07 pm-11:45 am

2 stops26h 38m

Sydney Kingsford Smith

Tue 5/20

1:15 pm-11:04 pm

2 stops23h 49m

$1,268

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 8/26

12:15 pm-9:25 am

1 stop31h 10m

Sydney Kingsford Smith

Tue 9/9

8:55 pm-10:05 am

1 stop27h 10m

$1,282

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 8/22

8:29 pm-7:45 pm

2 stops33h 16m

Sydney Kingsford Smith

Fri 9/12

9:40 pm-3:59 pm

2 stops32h 19m

$1,309

New YorkMelbourne

JFK - MEL

JFKMEL

New York John F Kennedy Intl

Mon 4/28

1:20 am-11:10 pm

1 stop31h 50m

Melbourne

Tue 5/13

3:15 pm-3:10 pm

1 stop37h 55m

$1,317

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Pennsylvania 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 Pennsylvania to Australia

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

Currently, February is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $1,046). Flying from Pennsylvania 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 PA to AU?

Find hourly flight availability from Pennsylvania 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 April 17, 2025.

When flying from Pennsylvania 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 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 April 17, 2025.
See what other customers who have flown with Air Tahiti Nui, Japan Airlines and ANA from Pennsylvania to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

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

Overall

8.8

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

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.
Japan Airlines
8.3
Very good
1,443 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

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.
ANA
8.3
Very good
845 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

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.
China Airlines
8.2
Very good
729 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

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.
Asiana Airlines
8.2
Very good
438 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

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 Pennsylvania to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $633. However, be on the lookout for offers from Qatar Airways and Air India, as they are both options that can get you from Pennsylvania to Australia for a low price.

  • Can I find deals for flights from Pennsylvania to Australia that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Australia.

  • Can I find deals for business class flights from Pennsylvania to Australia?

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Australia?

    Currently, February is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $1,046). Flying from Pennsylvania 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 Pennsylvania to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Pennsylvania to Australia

Discover the top 8 airlines that operate flights from Pennsylvania 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,746FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,050FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$863Average$1,620FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$940Average$1,316FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$945Average$1,457FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,220Average$1,836FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,270Average$2,062FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,294Average$1,688FlexibilityNo cancel feeOn-time68%

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