How long is the flight from Philadelphia to Australia?

Fiji Airways, Air New Zealand, and Qatar Airways can get you from Philadelphia to Australia in just under 35h 40m. Your travel time can differ by up to 5h. Philadelphia and Australia are separated by a distance of 15389 km. Both multi-stop and direct flights can be found to your destination and back. Find deals

What are the cheapest airlines to fly from Philadelphia to Australia one-way?

The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $849. However, be on the lookout for offers from Qatar Airways and Qantas Airways, as they are both options that can get you from Philadelphia to Australia for a low price. Find deals

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. Find deals

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.

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

Travellers have found it’s best to book a flight 28 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia to Australia 1-2 weeks in advance for as low as $1,342, or $2,290 for flights within the next 24 hours.

What is the cheapest month to fly from Philadelphia to Australia?

Our data shows that February tends to be the cheapest month to fly to Australia from Philadelphia. Users have commonly found prices around $2,301 for the month, but tickets can be as low as $1,272. Due to multiple factors, prepare for potentially higher prices in December.

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.

$849+ Cheap Flights from Philadelphia to Australia

Cheap flight deals from Philadelphia to Australia

Round-trip from	$1,751
One-way from	$849
Popular in	December
Cheapest in	February
Average price	$1,768

27/9-11/10
4 total stops
59h 25m total
Philadelphia to Australia

Search Deals

Fiji Airways
3/2
2 total stops
27h 18m total
Philadelphia to Australia

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($673 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($117 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Philadelphia to Australia

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 2 September 2025.

Sat 27/917:37PHL - SYD

2 stops28h 08mMultiple Airlines

Sat 11/1014:45SYD - PHL

2 stops31h 17mMultiple Airlines

Deal found 31/8$1,751

Tue 11/1110:27PHL - SYD

2 stops34h 03mFiji Airways

Tue 18/1114:10SYD - PHL

2 stops23h 30mFiji Airways

Deal found 1/9$1,762

Sun 2/1113:57PHL - SYD

2 stops30h 33mFiji Airways

Tue 18/1114:10SYD - PHL

2 stops23h 30mFiji Airways

Deal found 1/9$1,765

Sun 16/1115:55PHL - MEL

2 stops29h 20mFiji Airways

Sat 7/214:30MEL - PHL

2 stops22h 32mFiji Airways

Deal found 31/8$1,829

Mon 10/1115:30PHL - SYD

3 stops50h 05mAir Canada

Wed 19/1111:20SYD - PHL

2 stops43h 27mAir Canada

Deal found 2/9$1,867

Tue 30/918:44PHL - SYD

2 stops27h 01mFiji Airways

Tue 28/1014:15SYD - PHL

2 stops23h 44mFiji Airways

Deal found 1/9$1,868

Fri 24/1015:45PHL - SYD

2 stops39h 25mFiji Airways

Sat 15/1106:00SYD - PHL

2 stops31h 40mFiji Airways

Deal found 1/9$1,911

Tue 30/918:44PHL - SYD

2 stops27h 01mFiji Airways

Tue 7/1014:15SYD - PHL

2 stops23h 35mFiji Airways

Deal found 31/8$1,920

Tue 16/906:25PHL - SYD

2 stops34h 40mMultiple Airlines

Wed 24/909:10SYD - PHL

2 stops25h 41mMultiple Airlines

Deal found 1/9$1,925

Wed 29/1015:45PHL - BNE

2 stops28h 50mFiji Airways

Sat 8/1111:25BNE - PHL

2 stops25h 15mFiji Airways

Deal found 31/8$1,926

Sat 8/1117:20PHL - MEL

2 stops33h 25mMultiple Airlines

Sat 22/1107:00MEL - PHL

2 stops32h 46mMultiple Airlines

Deal found 1/9$2,038

Tue 30/908:05PHL - MEL

2 stops35h 45mAir New Zealand

Tue 7/1008:35MEL - PHL

2 stops35h 51mAir New Zealand

Deal found 31/8$2,053

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 2 September 2025.

Sat 27/917:37PHL - SYD

2 stops28h 08mMultiple Airlines

Sat 11/1014:45SYD - PHL

2 stops31h 17mMultiple Airlines

Deal found 31/8$1,751

Mon 16/213:45PHL - SYD

2 stops40h 05mFiji Airways

Tue 24/206:00SYD - PHL

2 stops31h 09mFiji Airways

Deal found 1/9$1,762

Mon 23/215:30PHL - SYD

2 stops26h 05mAir Canada

Tue 3/311:20SYD - PHL

2 stops43h 27mAir Canada

Deal found 2/9$1,858

Tue 30/908:05PHL - MEL

2 stops35h 45mAir New Zealand

Tue 14/1008:35MEL - PHL

2 stops35h 51mAir New Zealand

Deal found 31/8$2,053

Wed 15/1014:00PHL - PER

2 stops40h 40mQatar Airways

Wed 22/1022:45PER - PHL

1 stop46h 15mQatar Airways

Deal found 30/8$2,270

Wed 29/1010:33PHL - BNE

2 stops33h 57mCathay Pacific

Fri 7/1100:10BNE - PHL

2 stops35h 09mCathay Pacific

Deal found 31/8$2,508

Fri 20/213:45PHL - AVV

2 stops34h 05mQantas Airways

Wed 4/316:25AVV - PHL

2 stops30h 55mQantas Airways

Deal found 31/8$2,893

Tue 11/1110:27PHL - SYD

2 stops34h 03mFiji Airways

Tue 18/1114:10SYD - PHL

2 stops23h 30mFiji Airways

Deal found 1/9$1,762

Thu 29/117:00PHL - MEL

2 stops33h 45mMultiple Airlines

Sat 14/207:00MEL - PHL

2 stops30h 09mMultiple Airlines

Deal found 1/9$1,902

Sat 14/217:40PHL - SYD

2 stops26h 50mFiji Airways

Mon 23/214:10SYD - PHL

2 stops25h 29mFiji Airways

Deal found 1/9$1,762

Wed 15/1018:29PHL - ADL

2 stops28h 16mUnited Airlines

Wed 22/1006:05ADL - PHL

3 stops33h 10mUnited Airlines

Deal found 31/8$3,903

Tue 30/908:05PHL - MEL

2 stops35h 45mAir New Zealand

Wed 15/1008:35MEL - PHL

2 stops35h 51mAir New Zealand

Deal found 31/8$2,053

Last-minute flights from Philadelphia to Australia
Discover last-minute flight deals from Philadelphia to Australia. Data last updated 2 September 2025 and is based on user searches.

Sat 6/909:20PHL - SYD

2 stops32h 00mAir Canada

Fri 12/909:20SYD - PHL

2 stops38h 34mAir Canada

Deal found 2/9$2,004

Sat 6/909:20PHL - SYD

2 stops56h 00mAir Canada

Sat 20/909:20SYD - PHL

3 stops43h 18mAir Canada

Deal found 2/9$2,055

Tue 16/906:25PHL - SYD

2 stops34h 40mMultiple Airlines

Wed 24/909:10SYD - PHL

2 stops25h 41mMultiple Airlines

Deal found 1/9$1,925

Sat 20/918:44PHL - SYD

2 stops27h 01mFiji Airways

Tue 30/906:00SYD - PHL

2 stops31h 29mFiji Airways

Deal found 1/9$2,059

Sat 27/917:37PHL - SYD

2 stops28h 08mMultiple Airlines

Sat 11/1014:45SYD - PHL

2 stops31h 17mMultiple Airlines

Deal found 31/8$1,751

Sat 27/918:44PHL - MEL

2 stops34h 36mMultiple Airlines

Sat 11/1007:30MEL - PHL

2 stops32h 29mMultiple Airlines

Deal found 31/8$2,140

Tue 30/918:44PHL - SYD

2 stops27h 01mFiji Airways

Tue 28/1014:15SYD - PHL

2 stops23h 44mFiji Airways

Deal found 1/9$1,868

Tue 30/918:44PHL - SYD

2 stops27h 01mFiji Airways

Tue 7/1014:15SYD - PHL

2 stops23h 35mFiji Airways

Deal found 31/8$1,920

Tue 30/918:44PHL - SYD

2 stops37h 26mFiji Airways

Tue 14/1014:15SYD - PHL

2 stops23h 35mFiji Airways

Deal found 31/8$1,948

Tue 30/918:44PHL - SYD

2 stops37h 26mFiji Airways

Mon 13/1016:40SYD - PHL

2 stops45h 10mFiji Airways

Deal found 31/8$1,957

Tue 30/908:05PHL - MEL

2 stops35h 45mAir New Zealand

Tue 7/1008:35MEL - PHL

2 stops35h 51mAir New Zealand

Deal found 31/8$2,053

Tue 30/908:05PHL - MEL

2 stops35h 45mAir New Zealand

Fri 17/1012:05MEL - PHL

2 stops32h 21mAir New Zealand

Deal found 31/8$2,125

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 2 September 2025.

Tue 3/217:17PHL - CNS

2 stops27h 18mFiji Airways

Deal found 31/8$849

Wed 15/1018:44PHL - SYD

2 stops53h 56mMultiple Airlines

Deal found 1/9$862

Sun 16/1112:26PHL - SYD

3 stops53h 24mMultiple Airlines

Deal found 31/8$898

Sat 18/1013:02PHL - SYD

3 stops54h 43mMultiple Airlines

Deal found 31/8$911

Tue 30/914:45PHL - SYD

3 stops51h 15mMultiple Airlines

Deal found 31/8$913

Sat 15/1106:19PHL - MEL

3 stops53h 51mMultiple Airlines

Deal found 31/8$951

Wed 29/1018:30PHL - SYD

2 stops27h 15mFiji Airways

Deal found 1/9$956

Tue 11/1110:27PHL - SYD

2 stops34h 03mFiji Airways

Deal found 31/8$959

Mon 8/1218:54PHL - SYD

2 stops44h 31mMultiple Airlines

Deal found 31/8$965

Sat 15/1117:20PHL - MEL

2 stops27h 25mFiji Airways

Deal found 31/8$983

Wed 12/1121:30PHL - MEL

3 stops58h 35mMultiple Airlines

Deal found 1/9$988

Wed 22/1015:45PHL - SYD

2 stops36h 35mMultiple Airlines

Deal found 1/9$989

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

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 27/9

17:37-11:45

2 stops28h 08m

Sydney Kingsford Smith

Sat 11/10

14:45-07:02

2 stops31h 17m

$1,751

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 16/2

13:45-21:50

2 stops40h 05m

Sydney Kingsford Smith

Tue 24/2

06:00-21:09

2 stops31h 09m

$1,762

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/11

10:27-12:30

2 stops34h 03m

Sydney Kingsford Smith

Tue 18/11

14:10-21:40

2 stops23h 30m

$1,762

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 14/2

17:40-12:30

2 stops26h 50m

Sydney Kingsford Smith

Mon 23/2

14:10-23:39

2 stops25h 29m

$1,762

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 1/2

17:00-10:20

2 stops26h 20m

Brisbane

Sat 28/2

11:25-21:09

2 stops24h 44m

$1,763

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 2/11

13:57-12:30

2 stops30h 33m

Sydney Kingsford Smith

Tue 18/11

14:10-21:40

2 stops23h 30m

$1,765

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 12/2

13:45-12:30

2 stops30h 45m

Sydney Kingsford Smith

Sat 21/2

14:10-21:09

2 stops22h 59m

$1,827

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sun 16/11

15:55-13:15

2 stops29h 20m

Melbourne

Sat 7/2

14:30-21:02

2 stops22h 32m

$1,829

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 23/2

15:30-09:35

2 stops26h 05m

Sydney Kingsford Smith

Tue 3/3

11:20-14:47

2 stops43h 27m

$1,858

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Thu 29/1

17:00-18:45

2 stops33h 45m

Melbourne

Sat 14/2

07:00-21:09

2 stops30h 09m

$1,902

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 60 results

...

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.

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

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $129). Flying from Philadelphia to Australia in October is currently the most expensive (average of $171). 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 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.

Reviews of airlines servicing Australia

Check out reviews from past customers who have flown with United Airlines 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.

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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?
Fiji Airways, Air New Zealand, and Qatar Airways can get you from Philadelphia to Australia in just under 35h 40m. Your travel time can differ by up to 5h. Philadelphia and Australia are separated by a distance of 15389 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Philadelphia to Australia one-way?
The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $849. However, be on the lookout for offers from Qatar Airways and Qantas Airways, as they are both options that can get you from Philadelphia to Australia for a low price.
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, May is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $129). Flying from Philadelphia to Australia in October is currently the most expensive (average of $171). 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 for Philadelphia to Australia

Complete your trip

Australia car hire

Queensland car hire

Victoria car hire

New South Wales car hire

Tasmania car hire

Western Australia car hire

South Australia car hire

Northern Territory car hire

Australian Capital Territory car hire

Sydney Kingsford Smith Airport car hire

Melbourne Airport car hire

Brisbane Airport car hire

Direct flights to

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Direct flights to Sydney

Direct flights to Brisbane

Direct flights to Perth

Direct flights to Auckland

Direct flights to Adelaide

Direct flights to Coolangatta

Direct flights to Nadi

Direct flights to Hobart

Direct flights to Cairns

Direct flights to Canberra

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Direct flights to Darwin

Direct flights to Queenstown

Direct flights to Christchurch

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Direct flights to Maroochydore

Direct flights to Townsville

Direct flights to Wellington

Direct flights to Hamilton Island

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Direct flights to Mackay

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Direct flights to Rarotonga

Direct flights to Ballina

Direct flights to Port Vila

Direct flights to Broome

Direct flights to Coffs Harbour

Direct flights to Alice Springs

Direct flights to Hervey Bay

Direct flights to Port Moresby

Direct flights to Port Macquarie

Direct flights to Albury

Direct flights to Mildura

Direct flights to Gladstone

Direct flights to Wagga Wagga

Direct flights to Yulara

Direct flights to Bundaberg

Direct flights to Tamworth

Direct flights to Dubbo

Direct flights to Kalgoorlie

Direct flights to Exmouth

Direct flights to Devonport

Direct flights to Honiara

Direct flights to Karratha

Direct flights to Mount Isa

Direct flights to Norfolk Island

Direct flights to Port Hedland

Direct flights to Port Lincoln

Top airline flying from Philadelphia to Australia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,312	Average$1,386	FlexibilityNo cancel fee	On-time69%	Search United Airlines 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 $849

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to Australia

Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated 2 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 2 September 2025.

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 2 September 2025.

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

Everything you need to know about your flight from Philadelphia to Australia

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

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

Find hourly flight availability from Philadelphia 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 2 September 2025.

Reviews of airlines servicing Australia

Check out reviews from past customers who have flown with United Airlines 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

Find useful and relevant information for your journey from Philadelphia to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from Philadelphia to Australia?

What are the cheapest airlines to fly from Philadelphia to Australia one-way?

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.

Top airline flying from Philadelphia to Australia

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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 2 September 2025.