Australia

$400+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Mar 2 — Mar 91
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 31, 2026.

This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:05 pm
EWR
-
SYD
2 stops26h 35m
Multiple Airlines
Mon 8/319:50 pm
SYD
-
EWR
2 stops32h 43m
Multiple Airlines
Deal found 1/29$862
This Expedia deal was found by Cheapflights users on 1/28. 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 5/36:05 pm
EWR
-
MEL
2 stops26h 30m
Multiple Airlines
Sat 5/237:40 pm
MEL
-
EWR
2 stops35h 00m
Multiple Airlines
Deal found 1/28$889
This Expedia deal was found by Cheapflights users on 1/28. 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 3/156:25 pm
EWR
-
SYD
1 stop23h 10m
Multiple Airlines
Sun 3/227:00 pm
SYD
-
EWR
2 stops36h 53m
Multiple Airlines
Deal found 1/28$928
This Expedia deal was found by Cheapflights users on 1/28. 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.
Wed 2/186:25 pm
EWR
-
MEL
2 stops32h 55m
Multiple Airlines
Wed 2/257:25 am
MEL
-
EWR
2 stops25h 28m
Multiple Airlines
Deal found 1/28$942
This Air Canada deal was found by Cheapflights users on 1/31. 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 3/186:25 pm
EWR
-
SYD
1 stop23h 10m
Air Canada
Wed 5/209:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 1/31$944
This Air Canada deal was found by Cheapflights users on 1/31. 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.
Tue 3/104:00 pm
EWR
-
SYD
2 stops25h 35m
Air Canada
Tue 3/1710:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/31$946
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 5/109:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 1/29$948
This Air Canada deal was found by Cheapflights users on 1/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:25 pm
EWR
-
SYD
1 stop23h 10m
Air Canada
Tue 3/1710:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/30$949
This Air Canada deal was found by Cheapflights users on 1/31. 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.
Sun 10/42:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Sun 10/1810:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 1/31$950
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/172:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Sun 5/249:20 am
SYD
-
EWR
2 stops24h 32m
Air Canada
Deal found 1/29$952
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:00 pm
EWR
-
SYD
2 stops27h 35m
Air Canada
Tue 11/2411:20 am
SYD
-
EWR
2 stops24h 29m
Air Canada
Deal found 1/29$957
This Expedia deal was found by Cheapflights users on 1/28. 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.
Tue 3/36:25 pm
EWR
-
MEL
2 stops32h 55m
Multiple Airlines
Tue 3/107:00 am
MEL
-
EWR
2 stops24h 53m
Multiple Airlines
Deal found 1/28$967

Find flight deals from Pennsylvania to Australia

Keep the following information in mind while searching for Pennsylvania to Australia flight deals. Data was last updated January 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$889
(Expedia)

One-way from

$400
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,680
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
From Pennsylvania to Australia
One-way flight from Pennsylvania to Australia
Highest demand for flights based on searches. 10% potential increase in price ($172 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 31, 2026.
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

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 2/25

4:00 pm-9:35 am

2 stops25h 35m

Sydney Kingsford Smith

Tue 3/17

10:20 am-4:53 pm

1 stop21h 33m

$949

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 3/18

12:40 pm-8:35 am

3 stops28h 55m

Sydney Kingsford Smith

Wed 5/20

9:20 am-7:00 pm

2 stops23h 40m

$1,027

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sat 2/21

6:55 am-9:35 am

3 stops34h 40m

Sydney Kingsford Smith

Tue 3/17

10:20 am-1:28 pm

2 stops42h 08m

$1,039

NewarkMelbourne

EWR - MEL

EWRMEL

Newark

Sun 5/3

2:35 pm-11:05 am

3 stops30h 30m

Melbourne

Sat 5/23

6:00 pm-4:40 pm

2 stops36h 40m

$1,044

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 3/2

1:01 pm-8:30 am

2 stops27h 29m

Sydney Kingsford Smith

Tue 3/17

1:15 pm-11:42 pm

2 stops25h 27m

$1,051

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 3/8

3:40 pm-6:05 am

1 stop23h 25m

Sydney Kingsford Smith

Tue 3/24

1:15 pm-6:59 pm

1 stop20h 44m

$1,055

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 6/29

3:00 pm-6:50 am

2 stops25h 50m

Sydney Kingsford Smith

Tue 7/21

9:15 am-7:20 pm

2 stops24h 05m

$1,055

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 3/8

2:59 pm-7:25 am

2 stops25h 26m

Sydney Kingsford Smith

Tue 3/24

9:40 am-6:43 pm

2 stops24h 03m

$1,055

NewarkMelbourne

EWR - MEL

EWRMEL

Newark

Wed 2/18

6:25 pm-7:20 pm

2 stops32h 55m

Melbourne

Wed 2/25

7:10 am-7:38 pm

3 stops28h 28m

$1,060

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 2/18

11:53 am-9:35 am

3 stops29h 42m

Sydney Kingsford Smith

Tue 3/17

10:20 am-1:28 pm

2 stops42h 08m

$1,060

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 60 results
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $276). Flying from Pennsylvania to Australia in June is currently the most expensive (average of $878). 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.

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.
  • How long is the flight from Pennsylvania to Australia?

    A quick flight from Pennsylvania to Australia can take about 23h 15m. Air Canada provides one of the quickest options available for as low as $1,099. There are 10347 mi between Pennsylvania and Australia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $609. However, be on the lookout for offers from Fiji Airways and American 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, January is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $276). Flying from Pennsylvania to Australia in June is currently the most expensive (average of $878). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to Australia

See prices for flight routes from nearby airports that may be better suited for you.

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 January 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$539Average$1,565FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$765Average$1,379FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$787Average$1,645FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$954Average$1,514FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,198Average$1,552FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,298Average$1,608FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.