Australia

$551+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
jun. 17 — jun. 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia 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 Philadelphia to Australia

Keep the following information in mind while searching for Philadelphia to Australia flight deals. Data was last updated junio 12, 2025.

Round-trip from

$1,073
(Kiwi.com)

One-way from

$551
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,397
From Philadelphia to Australia
One-way flight from Philadelphia to Australia
Highest demand for flights based on searches. 15% potential increase in price ($264 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/36:40 pmPHL - SYD
2 stops54h 00mMultiple Airlines
dom. 9/145:45 pmSYD - PHL
1 stop34h 17mMultiple Airlines
Deal found 6/11$1,073
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/273:30 pmPHL - BNE
2 stops26h 10mAir Canada
vie. 12/1210:45 amBNE - PHL
2 stops38h 06mAir Canada
Deal found 6/10$1,177
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:35 pmPHL - SYD
2 stops26h 55mFiji Airways
sáb. 11/152:30 pmSYD - PHL
2 stops22h 43mFiji Airways
Deal found 6/11$1,202
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/122:57 pmPHL - MEL
2 stops31h 08mMultiple Airlines
jue. 9/251:30 pmMEL - PHL
3 stops30h 02mMultiple Airlines
Deal found 6/11$1,260
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:45 pmPHL - BNE
2 stops25h 40mFiji Airways
mar. 8/2611:35 amBNE - PHL
2 stops27h 10mFiji Airways
Deal found 6/12$1,267
This flugladen.de deal was found by Cheapflights users on 6/12. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/298:15 amPHL - BNE
2 stops37h 50mMultiple Airlines
mar. 7/82:15 pmBNE - PHL
2 stops30h 45mMultiple Airlines
Deal found 6/12$1,286
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/108:15 amPHL - MEL
2 stops36h 35mAir New Zealand
lun. 9/226:55 pmMEL - PHL
2 stops41h 31mAir New Zealand
Deal found 6/10$1,344
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/33:30 pmPHL - SYD
2 stops26h 05mAir Canada
mié. 1/1411:20 amSYD - PHL
2 stops43h 30mAir Canada
Deal found 6/11$1,372
This oojo deal was found by Cheapflights users on 6/10. 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.
mié. 9/101:06 pmPHL - BNE
2 stops29h 24mAir New Zealand
vie. 9/2612:15 pmBNE - PHL
2 stops24h 44mAir New Zealand
Deal found 6/10$1,394
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:48 pmPHL - MEL
2 stops26h 57mFiji Airways
sáb. 11/82:15 pmMEL - PHL
2 stops22h 58mFiji Airways
Deal found 6/10$1,403
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/266:25 pmPHL - SYD
2 stops46h 20mAir New Zealand
lun. 12/159:55 amSYD - PHL
2 stops42h 15mAir New Zealand
Deal found 6/11$1,412
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/122:57 pmPHL - AVV
3 stops35h 08mMultiple Airlines
jue. 9/256:00 amAVV - PHL
3 stops46h 02mMultiple Airlines
Deal found 6/11$1,432

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 junio 12, 2025.
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

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mié. 9/3

6:40 pm-2:40 pm

2 stops54h 00m

Sydney Kingsford Smith

dom. 9/14

5:45 pm-2:02 pm

1 stop34h 17m

$1,073

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

jue. 11/27

3:30 pm-8:40 am

2 stops26h 10m

Brisbane

vie. 12/12

10:45 am-9:51 am

2 stops38h 06m

$1,177

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mar. 9/2

6:45 pm-11:45 am

2 stops27h 00m

Sydney Kingsford Smith

mar. 9/16

1:15 pm-11:29 pm

2 stops24h 14m

$1,203

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

jue. 8/14

6:45 pm-10:25 am

2 stops25h 40m

Brisbane

mar. 8/26

11:35 am-12:45 am

2 stops27h 10m

$1,267

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

dom. 6/29

8:15 am-12:05 pm

2 stops37h 50m

Brisbane

mar. 7/8

2:15 pm-7:00 am

2 stops30h 45m

$1,286

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

mié. 9/10

8:15 am-10:50 am

2 stops36h 35m

Melbourne

lun. 9/22

6:55 pm-10:26 pm

2 stops41h 31m

$1,344

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun. 9/1

9:20 am-7:20 am

3 stops32h 00m

Sydney Kingsford Smith

lun. 9/8

9:20 am-10:08 pm

2 stops26h 48m

$1,378

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mié. 9/10

1:06 pm-8:30 am

2 stops29h 24m

Brisbane

vie. 9/26

12:15 pm-10:59 pm

2 stops24h 44m

$1,394

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

vie. 9/12

2:57 pm-4:05 pm

3 stops35h 08m

Melbourne Avalon

jue. 9/25

6:00 am-2:02 pm

3 stops46h 02m

$1,432

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

vie. 9/5

1:06 pm-10:50 am

2 stops31h 44m

Melbourne

lun. 9/22

12:05 pm-11:56 am

3 stops37h 51m

$1,457

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 53 results
1
2
3
...
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, March is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,041). Flying from Philadelphia to Australia in December is currently the most expensive (average of $1,635). 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?

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 junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Australia as you normally would.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 junio 12, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, ANA and Fiji Airways from Philadelphia to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.3
Very good

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 $733. Users have also found prices from $1,005 and $1,041 on Qantas Airways and ANA, respectively.

  • What are the most popular routes from Philadelphia to Australia?

  • 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, March is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $1,041). Flying from Philadelphia to Australia in December is currently the most expensive (average of $1,635). 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 Philadelphia to Australia

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

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$1,803FlexibilityNo cancel feeOn-time71%
DeltaCheapest$717Average$1,046FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,433FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$945Average$1,489FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$945Average$1,299FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,220Average$1,699FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,294Average$2,017FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,296Average$1,606FlexibilityNo 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.