How long is the flight from Philadelphia to Australia?

Qantas Airways, United Airlines, and Qatar Airways can get you from Philadelphia to Australia in just under 26h 05m. Your travel time can differ by up to 7h 45m. Philadelphia and Australia are separated by a distance of 15377 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular routes from Philadelphia to Australia?

The most popular route from Philadelphia to Australia is Philadelphia - Sydney Kingsford Smith. You may also consider Philadelphia - Melbourne or Philadelphia - Melbourne Avalon.

What is the cheapest time of day to fly from PHL to AU?

When flying from Philadelphia 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.

What airport do you fly from for flights from Philadelphia to Australia?

Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Australia. It is only a 11.2 km journey to Philadelphia (PHL) from Philadelphia’s city centre.

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

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

How can I find direct flights from Philadelphia to Australia?

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

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

Yes. Cheapflights offers flight deals from Philadelphia 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.

$1,083+ Cheap Flights from Philadelphia to Australia

Cheap flight deals from Philadelphia to Australia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Philadelphia to Australia
Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 November 2026.

Wed 2/1213:50 -

1 stop25h 00m

Wed 9/1209:40 -

1 stop24h 20m

Deal found 11/11$1,857

Sun 13/1210:42 -

1 stop26h 18m

Wed 13/106:00 -

2 stops25h 15m

Deal found 9/11$1,895

Wed 2/1213:52 -

2 stops24h 58m

Wed 9/1209:40 -

2 stops21h 53m

Deal found 11/11$1,896

Thu 24/1215:36 -

1 stop23h 14m

Wed 13/113:10 -

1 stop22h 26m

Deal found 9/11$1,921

Sun 6/1215:55 -

2 stops26h 25m

Wed 16/1214:05 -

1 stop20h 55m

Deal found 11/11$1,961

Tue 8/1214:46 -

1 stop24h 09m

Tue 15/1211:05 -

2 stops25h 30m

Deal found 8/11$1,968

Thu 24/1213:54 -

2 stops24h 56m

Wed 13/109:40 -

2 stops23h 05m

Deal found 9/11$1,971

Tue 1/1215:05 -

1 stop23h 50m

Mon 7/1221:50 -

2 stops33h 02m

Deal found 10/11$1,974

Wed 2/1216:06 -

1 stop23h 24m

Sun 13/1209:40 -

1 stop29h 33m

Deal found 9/11$1,975

Wed 9/1209:45 -

2 stops30h 45m

Sun 20/1207:35 -

2 stops54h 24m

Deal found 9/11$2,006

Thu 26/1120:45 -

1 stop29h 05m

Fri 11/1216:10 -

1 stop38h 40m

Deal found 10/11$2,006

Thu 24/1215:36 -

1 stop23h 14m

Tue 12/109:40 -

1 stop22h 01m

Deal found 9/11$2,009

Best flights from Philadelphia to Australia
Discover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 November 2026.

Wed 17/216:05 -

2 stops26h 05m

Wed 10/313:10 -

1 stop22h 19m

Deal found 10/11$1,911

Wed 9/1209:45 -

2 stops30h 45m

Sun 20/1207:35 -

2 stops54h 24m

Deal found 9/11$2,006

Thu 21/120:45 -

1 stop41h 00m

Thu 11/219:00 -

2 stops35h 50m

Deal found 9/11$2,119

Thu 28/112:43 -

2 stops30h 17m

Wed 10/211:15 -

3 stops40h 03m

Deal found 8/11$2,169

Wed 2/1209:20 -

1 stop31h 10m

Sun 13/1209:55 -

3 stops65h 18m

Deal found 9/11$2,041

Thu 24/1215:36 -

1 stop23h 14m

Fri 15/113:10 -

1 stop22h 26m

Deal found 9/11$2,106

Mon 10/517:40 -

2 stops27h 25m

Wed 19/512:20 -

3 stops36h 07m

Deal found 10/11$2,230

Mon 3/521:30 -

1 stop29h 20m

Fri 7/516:10 -

1 stop36h 55m

Deal found 7/11$2,244

Fri 25/1209:50 -

2 stops30h 40m

Wed 13/111:20 -

1 stop21h 13m

Deal found 9/11$2,052

Thu 28/109:55 -

3 stops32h 40m

Wed 10/214:05 -

3 stops36h 05m

Deal found 8/11$2,238

Tue 15/1215:55 -

2 stops26h 25m

Wed 23/1214:05 -

1 stop23h 08m

Deal found 12/11$2,274

Thu 18/321:45 -

2 stops42h 40m

Fri 2/421:55 -

2 stops37h 14m

Deal found 9/11$2,345

Mon 10/510:10 -

2 stops30h 20m

Wed 19/510:30 -

1 stop24h 50m

Deal found 10/11$2,189

Thu 4/306:10 -

2 stops36h 45m

Fri 12/312:10 -

3 stops37h 54m

Deal found 11/11$2,280

Sat 28/1120:45 -

1 stop34h 35m

Fri 11/1218:20 -

2 stops36h 30m

Deal found 12/11$2,349

Sun 27/1218:10 -

2 stops48h 35m

Sun 3/110:55 -

2 stops39h 39m

Deal found 12/11$5,781

Mon 1/212:43 -

2 stops29h 52m

Sun 28/214:05 -

3 stops36h 05m

Deal found 11/11$2,354

Fri 27/1116:45 -

2 stops26h 20m

Sun 13/1209:10 -

2 stops27h 25m

Deal found 9/11$2,770

Sun 20/1207:35 -

2 stops32h 55m

Wed 30/1211:20 -

2 stops38h 15m

Deal found 11/11$2,534

Sun 31/120:45 -

2 stops47h 05m

Thu 4/215:00 -

2 stops38h 50m

Deal found 10/11$2,544

Tue 16/209:39 -

3 stops33h 16m

Tue 2/312:10 -

3 stops38h 00m

Deal found 10/11$2,374

Sat 23/109:55 -

3 stops32h 40m

Tue 2/211:50 -

3 stops40h 14m

Deal found 11/11$2,425

Thu 14/120:45 -

1 stop41h 00m

Mon 18/118:50 -

2 stops36h 00m

Deal found 8/11$2,924

Wed 17/209:00 -

2 stops31h 35m

Wed 24/214:05 -

3 stops38h 13m

Deal found 12/11$2,509

Thu 3/1209:45 -

3 stops31h 45m

Mon 14/1211:30 -

2 stops23h 32m

Deal found 10/11$3,121

Fri 27/1113:16 -

3 stops27h 49m

Sun 13/1211:20 -

2 stops28h 21m

Deal found 9/11$3,145

Tue 23/310:05 -

3 stops31h 30m

Sat 3/412:00 -

2 stops25h 30m

Deal found 12/11$2,641

Mon 4/120:45 -

1 stop41h 00m

Sun 10/118:50 -

2 stops36h 00m

Deal found 11/11$3,419

Tue 8/1209:45 -

3 stops31h 20m

Tue 15/1211:20 -

2 stops24h 11m

Deal found 8/11$3,227

Sun 25/408:15 -

2 stops34h 30m

Sun 30/511:55 -

3 stops38h 30m

Deal found 9/11$2,877

Find flight deals from Philadelphia to Australia

Round-trip from	$1,814
One-way from	$1,083
Popular in	April
Cheapest in	March
Average price	$2,144

Qatar Airways
16/2-2/3
2 total stops
66h 45m total
Philadelphia to Australia

Search Deals

15/2-31/12
2 total stops
49h 39m total
Philadelphia to Australia

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($104 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($112 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 15/2

12:46-08:35

3 stops51h 49m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,234

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 13/12

08:40-19:55

3 stops43h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,489

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 13/1

11:18-18:20

3 stops40h 02m

Brisbane

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,567

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 15/2

16:00-09:00

1 stop25h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,634

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 27/12

19:52-18:25

3 stops54h 33m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,644

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Thu 18/3

17:45-09:00

1 stop24h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,725

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 29/1

14:29-09:00

1 stop26h 31m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,873

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 17/2

16:05-09:10

2 stops26h 05m

Brisbane

Wed 10/3

13:10-20:29

1 stop22h 19m

$1,911

PhiladelphiaMelbourne

PHL Philadelphia - MEL Melbourne

PHLMEL

Philadelphia

Sun 10/1

20:45-19:45

3 stops55h 00m

Melbourne

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,973

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 9/12

09:45-07:30

2 stops30h 45m

Brisbane

Sun 20/12

07:35-22:59

2 stops54h 24m

$2,006

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 51 resultsSorted by cheapest first

...

Best time to book a flight from Philadelphia to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Philadelphia with our price prediction graph.

PHL-BNE

PHL-MEL

PHL-SYD

PHL-OOL

Estimated return 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 Philadelphia to Australia

PHL-AU0

PHL-BNE

PHL-MEL

PHL-SYD

PHL-OOL

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,854). Flying from Philadelphia to Australia in April is currently the most expensive (average of $2,978). 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.

How far ahead should I book a flight from Philadelphia to Australia?

The best time to book flights from Philadelphia to Australia is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Australia

Check out reviews from past customers who have flown with Qantas Airways from Philadelphia to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qantas Airways

7.5

Good

1,125 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

Qantas Airways

7.5

Good

1,125 reviews

Qantas Airways

7.5

Good

1,125 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

Related info for your journey

What airport do you fly from for flights from Philadelphia to Australia?
Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Australia. It is only a 11.2 km journey to Philadelphia (PHL) from Philadelphia’s city centre.
How long is the flight from Philadelphia to Australia?
Qantas Airways, United Airlines, and Qatar Airways can get you from Philadelphia to Australia in just under 26h 05m. Your travel time can differ by up to 7h 45m. Philadelphia and Australia are separated by a distance of 15377 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Philadelphia to Australia?
The most popular route from Philadelphia to Australia is Philadelphia - Sydney Kingsford Smith. You may also consider Philadelphia - Melbourne or Philadelphia - Melbourne Avalon.
Can I find deals for flights from Philadelphia to Australia that include hotel bookings?
Yes. In addition to deals on Philadelphia to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Australia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Australia.
Can I find deals for business class flights from Philadelphia to Australia?
Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Australia?
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,854). Flying from Philadelphia to Australia in April is currently the most expensive (average of $2,978). 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

Alternative routes

Complete your trip

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Alternative routes for Philadelphia to Australia

Top airline flying from Philadelphia to Australia

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$2,009	Average$2,044	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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How does Cheapflights help users find flights from Philadelphia to Australia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Philadelphia to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Australia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Australia from Philadelphia.

Can Cheapflights find flights from Philadelphia to Australia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Philadelphia to Australia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Philadelphia to Australia become cheaper?

Not ready to book yet? You can track prices for flights from Philadelphia to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Philadelphia to Australia from $1,083

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to Australia

Cheapest flights from Philadelphia to AustraliaExplore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 November 2026.

Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 November 2026.

Best flights from Philadelphia to AustraliaDiscover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 November 2026.

Discover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 November 2026.

Last-minute flights from Philadelphia to AustraliaDiscover last-minute flight deals from Philadelphia to Australia. Data last updated 13 November 2026 and is based on user searches.

Discover last-minute flight deals from Philadelphia to Australia. Data last updated 13 November 2026 and is based on user searches.

One-way flights from Philadelphia to AustraliaSearch for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated 13 November 2026.

Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated 13 November 2026.

Find flight deals from Philadelphia to Australia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Best time to book a flight from Philadelphia to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Philadelphia with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Philadelphia to Australia?

The best time to book flights from Philadelphia to Australia is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Australia

Check out reviews from past customers who have flown with Qantas Airways from Philadelphia to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Philadelphia to Australia?

How long is the flight from Philadelphia to Australia?

What are the most popular routes from Philadelphia to Australia?

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

How can I find direct flights from Philadelphia to Australia?

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

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

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 Philadelphia to Australia

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

Complete your trip

Complete your trip to Australia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Philadelphia to Australia by cabin class

Find flights from Philadelphia to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Philadelphia and Australia flights

Browse other Philadelphia and Australia flight options. Last updated on 13 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Philadelphia to Australia flights

Consider these flights travelling from Philadelphia to Australia.

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Consider these flights travelling to Australia regions.

Top airline flying from Philadelphia to Australia

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How does Cheapflights help users find flights from Philadelphia to Australia?

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Can Cheapflights find flights from Philadelphia to Australia with no change fees?

Can Cheapflights notify me if prices for flights from Philadelphia to Australia become cheaper?

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Cheapest flights from Philadelphia to Australia
Explore the most affordable flight options available from Philadelphia to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 November 2026.

Best flights from Philadelphia to Australia
Discover carefully curated flight deals from Philadelphia to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 November 2026.

Last-minute flights from Philadelphia to Australia
Discover last-minute flight deals from Philadelphia to Australia. Data last updated 13 November 2026 and is based on user searches.

One-way flights from Philadelphia to Australia
Search for one-way flight options from Philadelphia to Australia. Find affordable one-way fares based on user searches. Data last updated 13 November 2026.