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$431+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$871
(Delta)

One-way from

$431
(Delta)

Popular in

December

Cheapest in

September

Average price

$1,397
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. 15% potential increase in price ($264 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 June 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/275:10 pmDCA - SYD
1 stop23h 25mDelta
dom. 8/39:25 amSYD - DCA
1 stop20h 35mDelta
Deal found 6/12$871
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1210:07 amIAD - SYD
2 stops30h 28mDelta
mar. 8/199:25 amSYD - IAD
2 stops28h 15mDelta
Deal found 6/11$875
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/272:59 pmEWR - SYD
2 stops30h 46mMultiple Airlines
mié. 9/31:15 pmSYD - EWR
2 stops31h 18mMultiple Airlines
Deal found 6/10$1,007
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1112:30 amEWR - MEL
2 stops52h 45mTurkish Airlines
mar. 9/161:25 pmMEL - EWR
2 stops47h 10mTurkish Airlines
Deal found 6/10$1,116
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/127:31 pmDCA - MEL
2 stops33h 49mMultiple Airlines
sáb. 8/237:30 amMEL - DCA
2 stops29h 29mMultiple Airlines
Deal found 6/10$1,188
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/17:17 pmDCA - SYD
2 stops26h 13mFiji Airways
sáb. 11/82:30 pmSYD - DCA
2 stops22h 24mFiji Airways
Deal found 6/10$1,202
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/88:19 pmIAD - SYD
1 stop45h 11mMultiple Airlines
mié. 8/204:20 pmSYD - IAD
2 stops38h 27mMultiple Airlines
Deal found 6/10$1,210
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/82:59 pmEWR - MEL
2 stops31h 26mMultiple Airlines
vie. 9/121:25 pmMEL - EWR
2 stops31h 08mMultiple Airlines
Deal found 6/12$1,222
This oojo deal was found by Cheapflights users on 6/11. 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.
jue. 8/217:01 pmLGA - MEL
2 stops34h 19mMultiple Airlines
jue. 8/287:30 amMEL - LGA
2 stops30h 00mMultiple Airlines
Deal found 6/11$1,242
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/29:00 amEWR - SYD
1 stop32h 30mAlaska Airlines
mié. 9/245:45 pmSYD - EWR
1 stop26h 14mAlaska Airlines
Deal found 6/10$1,272
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1712:50 pmIAD - MEL
2 stops32h 00mAir New Zealand
mié. 9/2412:05 pmMEL - IAD
2 stops25h 50mAir New Zealand
Deal found 6/10$1,295
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/115:59 pmDCA - MEL
2 stops26h 51mAir New Zealand
lun. 12/158:35 amMEL - DCA
2 stops28h 00mAir New Zealand
Deal found 6/10$1,297

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 junio 12, 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

dom. 7/27

5:10 pm-6:35 am

1 stop23h 25m

Sydney Kingsford Smith

dom. 8/3

9:25 am-4:00 pm

1 stop20h 35m

$871

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 8/12

10:07 am-6:35 am

2 stops30h 28m

Sydney Kingsford Smith

mar. 8/19

9:25 am-11:40 pm

2 stops28h 15m

$875

NewarkSydney

EWR - SYD

EWRSYD

Newark

mié. 8/27

2:59 pm-11:45 am

2 stops30h 46m

Sydney Kingsford Smith

mié. 9/3

1:15 pm-6:33 am

2 stops31h 18m

$1,007

NewarkMelbourne

EWR - MEL

EWRMEL

Newark

lun. 8/11

12:30 am-7:15 pm

2 stops52h 45m

Melbourne

mar. 9/16

1:25 pm-10:35 pm

2 stops47h 10m

$1,116

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

mar. 8/12

7:31 pm-7:20 pm

2 stops33h 49m

Melbourne

sáb. 8/23

7:30 am-10:59 pm

2 stops29h 29m

$1,188

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

vie. 8/8

8:19 pm-7:30 am

1 stop45h 11m

Sydney Kingsford Smith

mié. 8/20

4:20 pm-4:47 pm

2 stops38h 27m

$1,210

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

mar. 8/26

7:31 pm-10:10 pm

2 stops36h 39m

Sydney Kingsford Smith

mar. 9/9

6:00 am-11:00 pm

2 stops31h 00m

$1,216

NewarkSydney

EWR - SYD

EWRSYD

Newark

mar. 9/2

9:00 am-7:30 am

1 stop32h 30m

Sydney Kingsford Smith

mié. 9/24

5:45 pm-5:59 am

1 stop26h 14m

$1,272

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

lun. 8/11

5:59 pm-10:50 am

2 stops26h 51m

Melbourne

lun. 12/15

8:35 am-8:35 pm

2 stops28h 00m

$1,297

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

lun. 8/11

3:43 pm-10:50 am

2 stops29h 07m

Melbourne

lun. 12/15

12:05 pm-9:12 pm

2 stops25h 07m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,041). Flying from Pennsylvania to Australia in December is currently the most expensive (average of $1,635). 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 junio 12, 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 junio 12, 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
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
1,489 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Singapore Airlines
8.1
Very good
1,302 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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 Delta, with whom users have recently found tickets for as low as $431. However, be on the lookout for offers from Fiji Airways and Philippine 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 $1,041). Flying from Pennsylvania to Australia in December is currently the most expensive (average of $1,635). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,221FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$337Average$1,748FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$860Average$1,563FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$940Average$1,284FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$945Average$1,489FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,220Average$1,699FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,294Average$1,971FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,296Average$1,682FlexibilityNo cancel feeOn-time68%

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