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$502+ Cheap flights from Philadelphia (PHL) 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
may. 2 — may. 91
sáb. 5/2
sáb. 5/9
1 adult, Economy
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Cheap 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 abril 2, 2026.

This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/218:00 am
PHL
-
SYD
3 stops37h 50m
Multiple Airlines
mar. 5/121:15 pm
SYD
-
PHL
3 stops37h 10m
Multiple Airlines
Deal found 3/28$927
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/163:41 pm
PHL
-
SYD
3 stops54h 09m
Multiple Airlines
mar. 4/216:00 am
SYD
-
PHL
3 stops44h 15m
Multiple Airlines
Deal found 3/30$960
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/228:00 am
PHL
-
SYD
3 stops37h 50m
Multiple Airlines
mié. 4/296:00 am
SYD
-
PHL
3 stops37h 13m
Multiple Airlines
Deal found 4/1$1,017
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/147:55 am
PHL
-
SYD
3 stops37h 55m
Multiple Airlines
jue. 5/216:00 am
SYD
-
PHL
3 stops61h 37m
Multiple Airlines
Deal found 3/30$1,023
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/157:00 am
PHL
-
MEL
3 stops39h 05m
Multiple Airlines
vie. 5/221:30 pm
MEL
-
PHL
3 stops54h 07m
Multiple Airlines
Deal found 3/31$1,040
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/218:00 am
PHL
-
BNE
3 stops36h 40m
Multiple Airlines
mar. 4/2811:35 am
BNE
-
PHL
3 stops31h 59m
Multiple Airlines
Deal found 3/29$1,047
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/137:00 am
PHL
-
BNE
3 stops37h 35m
Multiple Airlines
mié. 5/2011:35 am
BNE
-
PHL
3 stops38h 04m
Multiple Airlines
Deal found 3/29$1,059
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/205:05 am
PHL
-
SYD
3 stops41h 00m
Multiple Airlines
dom. 4/261:15 pm
SYD
-
PHL
3 stops42h 19m
Multiple Airlines
Deal found 3/30$1,136
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/228:00 am
PHL
-
SYD
3 stops37h 50m
Multiple Airlines
dom. 4/261:15 pm
SYD
-
PHL
3 stops36h 25m
Multiple Airlines
Deal found 4/1$1,194
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/158:00 am
PHL
-
SYD
3 stops48h 10m
Multiple Airlines
lun. 4/271:15 pm
SYD
-
PHL
3 stops31h 35m
Multiple Airlines
Deal found 4/1$1,240
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/96:32 pm
PHL
-
MEL
2 stops34h 48m
Fiji Airways
sáb. 5/167:30 am
MEL
-
PHL
2 stops29h 17m
Fiji Airways
Deal found 3/28$1,247
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/288:00 am
PHL
-
SYD
2 stops33h 30m
Multiple Airlines
mar. 5/55:50 pm
SYD
-
PHL
2 stops32h 35m
Multiple Airlines
Deal found 3/29$1,286

Find flight deals from Philadelphia to Australia

Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated abril 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$927
(Trip.com)

One-way from

$502
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$959
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
Search Deals
From Philadelphia to Australia
Search Deals
One-way flight from Philadelphia to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 abril 2, 2026.
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 round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mié. 5/13

7:00 am-10:35 am

3 stops37h 35m

Brisbane

mié. 5/20

11:35 am-11:39 am

3 stops38h 04m

$1,059

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mié. 5/13

8:40 am-5:00 am

1 stop30h 20m

Brisbane

dom. 5/24

8:35 pm-9:22 am

2 stops26h 47m

$1,395
Quickest round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

dom. 5/17

3:27 pm-5:00 am

2 stops23h 33m

Brisbane

dom. 5/24

8:35 pm-6:19 am

2 stops23h 44m

$1,395

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mar. 4/21

3:51 pm-11:30 am

2 stops29h 39m

Brisbane

mar. 4/28

8:35 pm-5:52 am

1 stop23h 17m

$1,420

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mar. 4/21

3:51 pm-3:15 pm

2 stops33h 24m

Brisbane

mar. 5/19

8:35 pm-5:52 am

1 stop23h 17m

$1,420

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

jue. 8/13

3:25 pm-7:05 am

2 stops49h 40m

Brisbane

vie. 8/28

10:00 am-9:34 pm

2 stops25h 34m

$1,446

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

jue. 8/6

3:25 pm-7:05 am

2 stops49h 40m

Brisbane

jue. 8/27

10:15 am-9:34 pm

2 stops25h 19m

$1,446

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

mié. 9/9

7:00 am-2:10 pm

3 stops41h 10m

Melbourne Avalon

lun. 9/14

8:55 pm-3:41 pm

3 stops56h 46m

$1,483

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

sáb. 8/8

3:25 pm-7:05 am

2 stops25h 40m

Brisbane

mié. 8/26

8:45 pm-10:09 am

3 stops51h 24m

$1,485

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

vie. 8/7

5:43 pm-5:00 am

1 stop21h 17m

Brisbane

mar. 8/25

8:35 pm-6:34 pm

1 stop35h 59m

$1,487

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 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 Philadelphia to Australia

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

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $166). Flying from Philadelphia to Australia in January is currently the most expensive (average of $974). 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.

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 abril 2, 2026.
See what other customers who have flown with Fiji Airways,Qantas Airways, andUnited Airlines from Philadelphia to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.1
Very good
238 reviews

Entertainment

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.5

Crew

8.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Fiji Airways
8.1
Very good
238 reviews
Fiji Airways
8.1
Very good
238 reviews

Entertainment

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.5

Crew

8.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Qantas Airways
7.5
Good
1,016 reviews
Fiji Airways
8.1
Very good
238 reviews

Entertainment

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.5

Crew

8.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
United Airlines
7.4
Good
9,535 reviews
Fiji Airways
8.1
Very good
238 reviews

Entertainment

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.5

Crew

8.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
American Airlines
7.1
Good
11,549 reviews
Fiji Airways
8.1
Very good
238 reviews

Entertainment

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.5

Crew

8.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Air Canada
7.1
Good
10,884 reviews
Fiji Airways
8.1
Very good
238 reviews

Entertainment

7.5

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.5

Crew

8.5

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

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?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Australia. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • How long is the flight from Philadelphia to Australia?

    American Airlines, Qantas Airways, and Delta can get you from Philadelphia to Australia in just under 23h 33m. Your travel time can differ by up to 9h 54m. The distance between Philadelphia and Australia is about 9555 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $628. Users have also found prices from $668 and $772 on Fiji Airways and American Airlines, respectively.

  • 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 - Brisbane.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $166). Flying from Philadelphia to Australia in January is currently the most expensive (average of $974). 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.

Top 7 airlines flying from Philadelphia to Australia

Discover the top 7 airlines that operate flights from Philadelphia 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 abril 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$539Average$1,863FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$765Average$1,469FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$945Average$1,728FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$954Average$1,507FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,198Average$1,611FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,447Average$2,010FlexibilityNo cancel feeOn-time68%

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