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$512+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
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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 enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$911
(oojo)

One-way from

$512
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,680
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
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From Philadelphia to Australia
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One-way flight from Philadelphia to Australia
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Highest demand for flights based on searches. 11% potential increase in price ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 14, 2026.

This oojo deal was found by Cheapflights users on 1/13. 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. 2/212:31 pm
PHL
-
MEL
1 stop26h 59m
Qantas Airways
mié. 3/46:45 am
MEL
-
PHL
2 stops29h 03m
Qantas Airways
Deal found 1/13$911
This oojo deal was found by Cheapflights users on 1/13. 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.
dom. 11/155:07 pm
PHL
-
SYD
2 stops29h 43m
Qantas Airways
dom. 12/611:15 am
SYD
-
PHL
1 stop22h 03m
Qantas Airways
Deal found 1/13$920
This oojo deal was found by Cheapflights users on 1/14. 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.
dom. 2/15:39 pm
PHL
-
BNE
2 stops32h 31m
Qantas Airways
dom. 2/157:40 pm
BNE
-
PHL
1 stop26h 15m
Qantas Airways
Deal found 1/14$936
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/22:30 pm
PHL
-
SYD
2 stops51h 35m
Qantas Airways
lun. 3/211:20 am
SYD
-
PHL
1 stop35h 35m
Qantas Airways
Deal found 1/12$940
This oojo deal was found by Cheapflights users on 1/13. 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. 1/242:30 pm
PHL
-
SYD
2 stops50h 40m
Qantas Airways
lun. 2/911:20 am
SYD
-
PHL
1 stop24h 56m
Qantas Airways
Deal found 1/13$941
This oojo deal was found by Cheapflights users on 1/13. 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. 1/222:30 pm
PHL
-
SYD
1 stop26h 30m
Qantas Airways
vie. 1/307:15 pm
SYD
-
PHL
2 stops35h 38m
Qantas Airways
Deal found 1/13$961
This oojo deal was found by Cheapflights users on 1/14. 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. 2/72:30 pm
PHL
-
SYD
2 stops50h 40m
Qantas Airways
sáb. 2/1411:20 am
SYD
-
PHL
1 stop24h 28m
Qantas Airways
Deal found 1/14$962
This oojo deal was found by Cheapflights users on 1/14. 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. 2/282:31 pm
PHL
-
BNE
2 stops49h 59m
Qantas Airways
sáb. 3/77:40 pm
BNE
-
PHL
1 stop25h 30m
Qantas Airways
Deal found 1/14$967
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/162:16 pm
PHL
-
SYD
2 stops51h 49m
Qantas Airways
mar. 2/249:25 pm
SYD
-
PHL
1 stop26h 43m
Qantas Airways
Deal found 1/12$969
This oojo deal was found by Cheapflights users on 1/13. 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. 2/102:30 pm
PHL
-
SYD
2 stops38h 20m
Qantas Airways
mar. 2/1711:20 am
SYD
-
PHL
1 stop28h 30m
Qantas Airways
Deal found 1/13$971
This oojo deal was found by Cheapflights users on 1/14. 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. 2/52:30 pm
PHL
-
SYD
2 stops35h 10m
Qantas Airways
sáb. 2/2111:20 am
SYD
-
PHL
1 stop28h 30m
Qantas Airways
Deal found 1/14$972
This Qantas Airways deal was found by Cheapflights users on 1/11. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/212:31 pm
PHL
-
BNE
1 stop23h 29m
Qantas Airways
mié. 2/256:30 pm
BNE
-
PHL
2 stops40h 18m
Qantas Airways
Deal found 1/11$1,002

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 enero 14, 2026.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Fly from

Philadelphia

Fly to

Australia

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

sáb. 2/21

2:31 pm-9:30 am

1 stop26h 59m

Melbourne

mié. 3/4

6:45 am-7:48 pm

2 stops29h 03m

$911

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

dom. 2/1

5:39 pm-5:10 pm

2 stops32h 31m

Brisbane

dom. 2/15

7:40 pm-6:55 am

1 stop26h 15m

$936

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

sáb. 2/28

2:31 pm-7:30 am

2 stops49h 59m

Brisbane

sáb. 3/7

7:40 pm-6:10 am

1 stop25h 30m

$967

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun. 2/23

2:16 pm-8:50 pm

2 stops38h 34m

Sydney Kingsford Smith

mar. 3/3

11:20 am-11:50 pm

1 stop28h 30m

$972

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

sáb. 2/21

2:31 pm-5:00 am

1 stop23h 29m

Brisbane

mié. 2/25

6:30 pm-7:48 pm

2 stops40h 18m

$1,002

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

jue. 2/26

5:17 pm-8:50 pm

2 stops35h 33m

Sydney Kingsford Smith

jue. 3/5

11:20 am-11:50 pm

1 stop28h 30m

$1,040

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mié. 2/11

3:07 pm-9:00 am

2 stops25h 53m

Sydney Kingsford Smith

mié. 2/18

11:20 am-7:48 pm

2 stops24h 28m

$1,052

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun. 2/16

11:30 am-8:30 am

2 stops29h 00m

Sydney Kingsford Smith

mar. 2/24

10:40 am-7:25 pm

2 stops24h 45m

$1,069

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

dom. 3/1

12:29 pm-6:50 am

2 stops26h 21m

Sydney Kingsford Smith

mar. 3/24

9:40 am-7:49 pm

2 stops25h 09m

$1,069

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mié. 1/28

12:16 pm-8:30 am

2 stops28h 14m

Sydney Kingsford Smith

mar. 2/10

10:40 am-10:50 pm

2 stops28h 10m

$1,069

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 53 results
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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, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $138). Flying from Philadelphia to Australia in January is currently the most expensive (average of $954). 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 enero 14, 2026.
See what other customers who have flown with Fiji Airways, Qantas Airways, and United 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
8.0
Very good
216 reviews

Food

7.5

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very good
216 reviews
Fiji Airways
8.0
Very good
216 reviews

Food

7.5

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
971 reviews
Fiji Airways
8.0
Very good
216 reviews

Food

7.5

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,159 reviews
Fiji Airways
8.0
Very good
216 reviews

Food

7.5

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
American Airlines
7.2
Good
11,125 reviews
Fiji Airways
8.0
Very good
216 reviews

Food

7.5

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air Canada
7.1
Good
10,620 reviews
Fiji Airways
8.0
Very good
216 reviews

Food

7.5

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.5

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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?

    Qantas Airways, American Airlines, and Delta can get you from Philadelphia to Australia in just under 25h 53m. Your travel time can differ by up to 3h 07m. The distance between Philadelphia and Australia is about 9862 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 Fiji Airways. According to our data, you can fly for as low as $623. Users have also found prices from $628 and $772 on Qantas 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 - 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 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, February is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $138). Flying from Philadelphia to Australia in January is currently the most expensive (average of $954). 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

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Alternative routes for Philadelphia 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 Philadelphia to Australia

Discover the top 8 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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$765Average$1,382FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$859Average$1,504FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$945Average$1,492FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,044Average$1,855FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,296Average$1,608FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,350Average$1,618FlexibilityNo cancel feeOn-time71%

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