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$717+ Cheap flights from Australia to Philadelphia (PHL)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Find flight deals from Australia to Philadelphia

Cheapest flights from Australia to Philadelphia
Explore the most affordable flight options available from Australia to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This Trip.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/1712:00 pmMEL - PHL
2 stops28h 19mMultiple Airlines
Thu 12/45:30 amPHL - MEL
2 stops36h 00mMultiple Airlines
Deal found 11/3$1,040
This BestPriceTravel deal was found by Cheapflights users on 11/2. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:05 pmMEL - PHL
1 stop22h 50mQantas Airways
Mon 12/811:45 amPHL - MEL
1 stop25h 15mQantas Airways
Deal found 11/2$1,050
This Qantas Airways deal was found by Cheapflights users on 11/1. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:05 pmSYD - PHL
1 stop24h 36mQantas Airways
Tue 12/303:41 pmPHL - SYD
1 stop23h 44mQantas Airways
Deal found 11/1$1,054
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:05 pmSYD - PHL
1 stop22h 05mAmerican Airlines
Wed 12/317:00 pmPHL - SYD
1 stop22h 00mAmerican Airlines
Deal found 11/3$1,057
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:05 pmMEL - PHL
1 stop21h 35mAmerican Airlines
Wed 11/261:40 pmPHL - MEL
1 stop23h 20mAmerican Airlines
Deal found 11/3$1,084
This BestPriceTravel deal was found by Cheapflights users on 11/2. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:05 pmMEL - PHL
2 stops39h 19mQantas Airways
Sun 12/75:00 pmPHL - MEL
1 stop24h 30mQantas Airways
Deal found 11/2$1,087
This Trip.com deal was found by Cheapflights users on 11/4. 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.
Sun 11/2312:00 pmMEL - PHL
2 stops59h 32mMultiple Airlines
Thu 12/187:10 amPHL - MEL
2 stops34h 20mMultiple Airlines
Deal found 11/4$1,093
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:00 pmMEL - PHL
2 stops26h 10mUnited Airlines
Tue 12/210:33 amPHL - MEL
2 stops30h 57mUnited Airlines
Deal found 11/3$1,096
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:00 pmMEL - PHL
1 stop24h 03mAmerican Airlines
Mon 12/86:31 amPHL - MEL
1 stop30h 29mAmerican Airlines
Deal found 11/2$1,097
This Qantas Airways deal was found by Cheapflights users on 11/2. 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.
Mon 12/14:05 pmMEL - PHL
1 stop22h 50mMultiple Airlines
Mon 12/84:03 pmPHL - MEL
2 stops26h 02mMultiple Airlines
Deal found 11/2$1,110
This BestPriceTravel deal was found by Cheapflights users on 11/1. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:20 amSYD - PHL
1 stop28h 26mQantas Airways
Fri 2/202:14 pmPHL - SYD
1 stop26h 46mQantas Airways
Deal found 11/1$1,110
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:00 pmMEL - PHL
2 stops26h 09mUnited Airlines
Mon 12/81:15 pmPHL - MEL
3 stops28h 15mUnited Airlines
Deal found 11/2$1,112

Cheap flight deals from Australia to Philadelphia

Keep the following information in mind while searching for Australia to Philadelphia flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$916
(Air Canada)

One-way from

$717
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,426
Provider with most accurate pricing for Sydney Kingsford Smith-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Philadelphia flights.
Search Deals
From Australia to Philadelphia
Search Deals
One-way flight from Australia to Philadelphia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($275 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Philadelphia 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 November 4, 2025.
Use the filters below to find and compare flights from Australia to Philadelphia that are best for you.

Fly from

Australia

Fly to

Philadelphia

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/20

10:20 am-3:49 pm

2 stops44h 29m

Philadelphia

Mon 3/30

3:30 pm-8:20 am

2 stops49h 50m

$854

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/6

11:20 am-1:47 pm

3 stops66h 27m

Philadelphia

Tue 3/10

3:30 pm-8:35 am

2 stops26h 05m

$916

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/20

10:20 am-10:21 pm

2 stops27h 01m

Philadelphia

Mon 3/30

3:30 pm-8:20 am

3 stops49h 50m

$922

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 12/9

2:05 pm-10:41 pm

1 stop24h 36m

Philadelphia

Tue 12/30

3:41 pm-7:25 am

1 stop23h 44m

$1,054

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 12/1

2:05 pm-8:10 pm

1 stop22h 05m

Philadelphia

Wed 12/31

7:00 pm-9:00 am

1 stop22h 00m

$1,057

AdelaidePhiladelphia

ADL - PHL

ADLPHL

Adelaide

Wed 2/18

7:55 pm-3:24 pm

3 stops58h 59m

Philadelphia

Sun 2/22

7:50 am-7:10 pm

3 stops43h 50m

$1,073

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Wed 11/19

1:00 pm-11:09 pm

2 stops26h 09m

Philadelphia

Tue 12/2

3:05 pm-9:30 am

2 stops26h 25m

$1,096

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Mon 11/24

12:00 pm-8:03 pm

1 stop24h 03m

Philadelphia

Mon 12/8

6:31 am-5:00 am

1 stop30h 29m

$1,097

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Mon 12/1

4:05 pm-10:55 pm

1 stop22h 50m

Philadelphia

Mon 12/8

4:03 pm-10:05 am

2 stops26h 02m

$1,110

MelbournePhiladelphia

MEL - PHL

MELPHL

Melbourne

Mon 11/24

1:00 pm-11:09 pm

2 stops26h 09m

Philadelphia

Mon 12/8

1:15 pm-9:30 am

3 stops28h 15m

$1,112

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 45 results
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Best time to book a flight from Australia to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Australia 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 Australia to Philadelphia

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

Currently, August is the cheapest month in which you can book a flight from Australia to Philadelphia (average of $287). Flying from Australia to Philadelphia in January is currently the most expensive (average of $880). 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 AU to PHL?

Find hourly flight availability from Australia to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

It’s optimal to fly from Australia to Philadelphia in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated November 4, 2025.
Peruse reviews from past customers who have flown with Qantas Airways and American Airlines from Australia to Philadelphia 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
927 reviews

Boarding

7.7

Overall

7.5

Comfort

7.5

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
927 reviews
Qantas Airways
7.5
Good
927 reviews

Boarding

7.7

Overall

7.5

Comfort

7.5

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
American Airlines
7.2
Good
11,040 reviews
Qantas Airways
7.5
Good
927 reviews

Boarding

7.7

Overall

7.5

Comfort

7.5

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from Australia to Philadelphia. 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 into for flights to Philadelphia from Australia?

    For a flight from Australia to Philadelphia, you will be flying into Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How long is the flight from Australia to Philadelphia?

    Airlines like Air Canada, United Airlines, and American Airlines fly from Australia to Philadelphia in about 24h 03m. The time it takes to get you to your destination can typically vary by up to 20h 26m. Airlines will cover a distance of 10283 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $847 on Qantas Airways. Other airlines that offer cheap prices include Qatar Airways from $1,060 and Japan Airlines from $1,445 one-way.

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

    Most travelers choose Melbourne - Philadelphia, Sydney Kingsford Smith - Philadelphia or Perth - Philadelphia when deciding on the best route from Australia to Philadelphia.

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

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

  • How can I find direct flights from Australia to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from Australia to Philadelphia 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 Australia to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Australia to Philadelphia (average of $287). Flying from Australia to Philadelphia in January is currently the most expensive (average of $880). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester
Exton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Australia to Philadelphia

Discover the top 2 airlines that operate flights from Australia to Philadelphia. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,123Average$1,262FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,195Average$1,301FlexibilityNo cancel feeOn-time71%

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