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$462+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,140
(Delta)

One-way from

$462
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,511
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
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Highest demand for flights based on searches. 12% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($52 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 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. 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 8/261:52 pmEWR - SYD
2 stops31h 53mMultiple Airlines
Tue 9/28:15 amSYD - EWR
3 stops43h 39mMultiple Airlines
Deal found 4/29$977
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/205:10 pmDCA - SYD
1 stop23h 25mDelta
Wed 7/99:25 amSYD - DCA
1 stop20h 35mDelta
Deal found 4/30$1,140
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/201:00 pmIAD - SYD
2 stops27h 35mDelta
Wed 7/99:25 amSYD - IAD
2 stops22h 59mDelta
Deal found 4/30$1,145
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2012:30 amEWR - MEL
2 stops41h 40mTurkish Airlines
Fri 10/313:10 pmMEL - EWR
2 stops47h 30mTurkish Airlines
Deal found 4/30$1,171
This KAYAK deal was found by Cheapflights users on 4/30. 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.
Sun 11/3011:30 amIAD - SYD
2 stops31h 20mQantas Airways
Wed 12/107:05 amSYD - IAD
2 stops25h 01mQantas Airways
Deal found 4/30$1,180
This Trip.com deal was found by Cheapflights users on 4/30. 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.
Wed 6/411:37 amJFK - MEL
2 stops34h 43mMultiple Airlines
Wed 6/1112:55 pmMEL - JFK
2 stops30h 35mMultiple Airlines
Deal found 4/30$1,203
This oojo deal was found by Cheapflights users on 4/29. 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.
Sat 9/277:30 pmDCA - SYD
2 stops26h 15mFiji Airways
Sat 10/112:45 pmSYD - DCA
2 stops23h 15mFiji Airways
Deal found 4/29$1,213
This oojo deal was found by Cheapflights users on 4/30. 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.
Sat 11/225:00 pmLGA - MEL
2 stops34h 00mMultiple Airlines
Sat 12/67:15 amMEL - LGA
2 stops31h 01mMultiple Airlines
Deal found 4/30$1,221
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/1010:15 amEWR - MEL
2 stops35h 15mMultiple Airlines
Tue 6/1712:55 pmMEL - EWR
2 stops24h 00mMultiple Airlines
Deal found 4/29$1,233
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:59 amDCA - SYD
1 stop32h 31mMultiple Airlines
Fri 6/134:20 pmSYD - DCA
2 stops44h 39mMultiple Airlines
Deal found 4/29$1,247
This Trip.com deal was found by Cheapflights users on 4/30. 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 5/3111:37 amJFK - SYD
2 stops34h 08mMultiple Airlines
Sat 6/71:45 pmSYD - JFK
2 stops29h 45mMultiple Airlines
Deal found 4/30$1,254
This StudentUniverse deal was found by Cheapflights users on 4/29. 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 7/285:53 pmIAD - SYD
2 stops26h 42mAir New Zealand
Sat 8/911:50 amSYD - IAD
2 stops33h 03mAir New Zealand
Deal found 4/29$1,263

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 May 1, 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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 6/20

5:10 pm-6:35 am

1 stop23h 25m

Sydney Kingsford Smith

Wed 7/9

9:25 am-4:00 pm

1 stop20h 35m

$1,140

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 6/20

1:00 pm-6:35 am

2 stops27h 35m

Sydney Kingsford Smith

Wed 7/9

9:25 am-6:24 pm

2 stops22h 59m

$1,145

NewarkMelbourne

EWR - MEL

EWRMEL

Newark

Mon 10/20

12:30 am-9:10 am

2 stops41h 40m

Melbourne

Fri 10/31

3:10 pm-11:40 pm

2 stops47h 30m

$1,171

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 5/28

7:46 am-2:40 pm

2 stops40h 54m

Sydney Kingsford Smith

Wed 6/4

5:45 pm-10:49 pm

1 stop43h 04m

$1,188

New YorkMelbourne

JFK - MEL

JFKMEL

New York John F Kennedy Intl

Wed 6/4

11:37 am-12:20 pm

2 stops34h 43m

Melbourne

Wed 6/11

12:55 pm-5:30 am

2 stops30h 35m

$1,203

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 9/27

7:30 pm-11:45 am

2 stops26h 15m

Sydney Kingsford Smith

Sat 10/11

2:45 pm-11:00 pm

2 stops23h 15m

$1,213

NewarkMelbourne

EWR - MEL

EWRMEL

Newark

Tue 6/10

10:15 am-11:30 am

2 stops35h 15m

Melbourne

Tue 6/17

12:55 pm-10:55 pm

2 stops24h 00m

$1,233

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 7/28

5:53 pm-10:35 am

2 stops26h 42m

Sydney Kingsford Smith

Sat 8/9

11:50 am-6:53 am

2 stops33h 03m

$1,263

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 9/17

4:47 pm-8:45 am

2 stops25h 58m

Sydney Kingsford Smith

Thu 10/9

11:50 am-8:51 pm

2 stops24h 01m

$1,263

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-3:35 pm

1 stop32h 40m

$1,283

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, March is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $1,043). 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 May 1, 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 May 1, 2025.
See what other customers who have flown with Air Tahiti Nui, Japan Airlines and China Airlines 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

Comfort

8.1

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.3

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

Comfort

8.1

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.3

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
1,464 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.3

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
8.3
Very good
732 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.3

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
852 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.3

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
190 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Crew

9.1

Entertainment

7.3

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 $649. However, be on the lookout for offers from Qatar Airways and Alaska Airlines, 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, March is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $1,043). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,758FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,050FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$861Average$1,607FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$940Average$1,307FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$945Average$1,492FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,220Average$1,853FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,294Average$1,689FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,297Average$2,024FlexibilityNo cancel feeOn-time74%

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