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$384+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$837
(American Airlines)

One-way from

$384
(Justfly.com)

Popular in

December

Cheapest in

March

Average price

$1,255
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. 13% potential increase in price ($238 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:56 pmIAD - SYD
2 stops26h 59mAmerican Airlines
Wed 8/2012:10 pmSYD - IAD
1 stop24h 31mAmerican Airlines
Deal found 2/20$837
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/252:54 pmDCA - SYD
2 stops23h 41mAmerican Airlines
Mon 3/311:50 amSYD - DCA
1 stop25h 00mAmerican Airlines
Deal found 2/20$837
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/236:30 amIAD - MEL
2 stops31h 10mAmerican Airlines
Sat 3/16:00 amMEL - IAD
2 stops26h 12mAmerican Airlines
Deal found 2/19$862
This Qantas Airways deal was found by Cheapflights users on 2/18. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/15:13 pmIAD - MEL
1 stop44h 27mQantas Airways
Tue 3/184:20 pmMEL - IAD
1 stop20h 54mQantas Airways
Deal found 2/18$896
This SmartFares deal was found by Cheapflights users on 2/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:35 pmIAD - SYD
1 stop23h 20mQantas Airways
Sun 8/3112:10 pmSYD - IAD
1 stop24h 31mQantas Airways
Deal found 2/18$897
This Qantas Airways deal was found by Cheapflights users on 2/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/95:35 pmDCA - SYD
1 stop24h 25mQantas Airways
Thu 3/2011:50 amSYD - DCA
1 stop28h 00mQantas Airways
Deal found 2/20$905
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Mon 8/253:30 pmEWR - MEL
2 stops30h 50mAir Canada
Mon 9/86:00 amMEL - EWR
2 stops24h 59mAir Canada
Deal found 2/20$913
This Delta deal was found by Cheapflights users on 2/20. 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.
Mon 9/225:25 pmDCA - SYD
1 stop23h 10mDelta
Tue 10/710:25 amSYD - DCA
1 stop20h 55mDelta
Deal found 2/20$932
This Delta deal was found by Cheapflights users on 2/19. 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.
Mon 10/2010:05 amIAD - SYD
2 stops30h 30mDelta
Tue 11/1111:05 amSYD - IAD
2 stops29h 05mDelta
Deal found 2/19$937
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:10 pmEWR - MEL
2 stops26h 25mMultiple Airlines
Sun 8/178:50 pmMEL - EWR
2 stops34h 09mMultiple Airlines
Deal found 2/20$965
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Mon 6/24:59 pmEWR - SYD
1 stop24h 21mAir Canada
Mon 6/309:20 amSYD - EWR
1 stop35h 24mAir Canada
Deal found 2/20$966
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Wed 8/279:00 amJFK - SYD
2 stops32h 20mAir Canada
Tue 9/29:20 amSYD - JFK
2 stops49h 55mAir Canada
Deal found 2/20$967

Find flights from Pennsylvania to Australia within your budget

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 February 20, 2025.

Fly from

Pennsylvania

Fly to

Australia

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 8/13

1:56 pm-6:55 am

2 stops26h 59m

Sydney Kingsford Smith

Wed 8/20

12:10 pm-10:41 pm

1 stop24h 31m

$837

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 2/25

2:54 pm-6:35 am

2 stops23h 41m

Sydney Kingsford Smith

Mon 3/3

11:50 am-8:50 pm

1 stop25h 00m

$837

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/9

5:35 pm-9:00 am

1 stop24h 25m

Sydney Kingsford Smith

Thu 3/20

11:50 am-12:50 am

1 stop28h 00m

$905

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 3/9

5:20 pm-6:35 am

1 stop22h 15m

Sydney Kingsford Smith

Fri 3/21

11:50 am-10:14 pm

1 stop25h 24m

$906

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/9

5:10 pm-7:45 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 3/17

10:05 am-4:00 pm

1 stop20h 55m

$932

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 6/22

3:00 pm-6:35 am

2 stops25h 35m

Sydney Kingsford Smith

Mon 7/14

9:25 am-9:10 am

2 stops37h 45m

$937

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 3/18

11:46 am-5:40 am

1 stop26h 54m

Melbourne

Wed 3/26

9:25 pm-4:20 pm

2 stops33h 55m

$965

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 3/10

10:30 am-8:35 am

2 stops31h 05m

Sydney Kingsford Smith

Mon 3/17

10:25 am-8:55 am

2 stops37h 30m

$967

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 3/18

3:35 pm-8:35 am

2 stops26h 00m

Sydney Kingsford Smith

Fri 3/28

10:25 am-9:30 am

2 stops38h 05m

$968

NewarkMelbourne

EWR - MEL

EWRMEL

Newark

Mon 4/21

6:30 pm-7:30 am

1 stop23h 00m

Melbourne

Sun 5/4

10:55 am-9:45 pm

1 stop24h 50m

$973

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Pennsylvania to Australia

Get recent, data-driven insights about flights from Pennsylvania to Australia including ideal travel times, pricing trends, and more.

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 $1,051). 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 February 20, 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 February 20, 2025.
See what other customers who have flown with Air Tahiti Nui, ANA and Japan 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
8.7
Very good
61 reviews

Food

7.8

Overall

8.7

Comfort

8.0

Crew

9.1

Entertainment

7.2

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
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Overall

8.7

Comfort

8.0

Crew

9.1

Entertainment

7.2

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.

ANA
8.4
Very good
842 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Overall

8.7

Comfort

8.0

Crew

9.1

Entertainment

7.2

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.

Japan Airlines
8.3
Very good
1,440 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Overall

8.7

Comfort

8.0

Crew

9.1

Entertainment

7.2

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.

Asiana Airlines
8.3
Very good
446 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Overall

8.7

Comfort

8.0

Crew

9.1

Entertainment

7.2

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.

China Airlines
8.2
Very good
727 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Food

7.8

Overall

8.7

Comfort

8.0

Crew

9.1

Entertainment

7.2

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 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 Qantas Airways, with whom users have recently found tickets for as low as $384. However, be on the lookout for offers from American Airlines and Delta, 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 $1,051). 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,744FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,065FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,730FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$940Average$1,376FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$945Average$1,206FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,133Average$1,852FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,270Average$2,127FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,294Average$1,710FlexibilityNo cancel feeOn-time68%
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