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$688+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
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 May 28, 2026.

This Expedia deal was found by Cheapflights users on 5/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:29 pm
PHL
-
BNE
1 stop23h 31m
Qantas Airways
Wed 6/38:35 pm
BNE
-
PHL
1 stop24h 25m
Qantas Airways
Deal found 5/27$1,210
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Wed 5/276:00 am
PHL
-
BNE
2 stops35h 05m
Air Canada
Wed 6/310:00 am
BNE
-
PHL
2 stops33h 31m
Air Canada
Deal found 5/27$1,211
This Air Canada deal was found by Cheapflights users on 5/27. 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.
Sat 5/303:25 pm
PHL
-
SYD
2 stops49h 55m
Air Canada
Sun 6/149:20 am
SYD
-
PHL
2 stops43h 28m
Air Canada
Deal found 5/27$1,217
This Air Canada deal was found by Cheapflights users on 5/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:05 am
PHL
-
SYD
2 stops31h 15m
Air Canada
Sun 9/279:20 am
SYD
-
PHL
2 stops26h 12m
Air Canada
Deal found 5/28$1,218
This Expedia deal was found by Cheapflights users on 5/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:29 pm
PHL
-
SYD
1 stop25h 36m
Qantas Airways
Wed 7/159:10 am
SYD
-
PHL
1 stop23h 29m
Qantas Airways
Deal found 5/27$1,221
This Air Canada deal was found by Cheapflights users on 5/27. 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.
Mon 11/23:20 pm
PHL
-
SYD
2 stops26h 15m
Air Canada
Sun 11/811:20 am
SYD
-
PHL
2 stops44h 31m
Air Canada
Deal found 5/27$1,222
This Air Canada deal was found by Cheapflights users on 5/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:05 am
PHL
-
SYD
2 stops31h 15m
Air Canada
Tue 10/2710:20 am
SYD
-
PHL
3 stops43h 24m
Air Canada
Deal found 5/28$1,225
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Sun 11/83:20 pm
PHL
-
SYD
2 stops26h 15m
Air Canada
Wed 11/1811:20 am
SYD
-
PHL
2 stops43h 24m
Air Canada
Deal found 5/27$1,227
This Ovago deal was found by Cheapflights users on 5/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:25 am
PHL
-
SYD
1 stop30h 55m
Singapore Airlines
Tue 6/309:20 am
SYD
-
PHL
1 stop44h 21m
Singapore Airlines
Deal found 5/28$1,244
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Sat 6/273:25 pm
PHL
-
SYD
2 stops49h 55m
Air Canada
Fri 7/109:20 am
SYD
-
PHL
2 stops34h 11m
Air Canada
Deal found 5/27$1,249
This Orbitz deal was found by Cheapflights users on 5/27. 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.
Fri 11/203:20 pm
PHL
-
BNE
2 stops26h 25m
Air Canada
Sun 11/2910:45 am
BNE
-
PHL
2 stops42h 59m
Air Canada
Deal found 5/27$1,250
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Tue 6/306:00 am
PHL
-
BNE
2 stops35h 05m
Air Canada
Wed 10/289:45 am
BNE
-
PHL
2 stops42h 59m
Air Canada
Deal found 5/25$1,267

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 May 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,221
(Expedia)

One-way from

$688
(Delta)

Popular in

December

Cheapest in

February

Average price

$1,446
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. 12% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 28, 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

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 6/6

10:25 am-7:20 am

1 stop30h 55m

Sydney Kingsford Smith

Sat 6/13

9:20 am-2:48 pm

2 stops43h 28m

$1,307

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Mon 6/8

10:25 am-2:55 pm

3 stops38h 30m

Canberra

Sun 9/20

6:10 am-9:45 am

3 stops41h 35m

$1,387

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 7/1

1:31 pm-7:00 am

2 stops27h 29m

Sydney Kingsford Smith

Mon 7/13

10:20 am-1:23 am

1 stop29h 03m

$1,390

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 6/8

9:46 am-5:00 am

1 stop29h 14m

Brisbane

Mon 6/22

8:35 pm-6:36 am

2 stops24h 01m

$1,400

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 8/2

8:05 am-6:30 am

2 stops32h 25m

Brisbane

Tue 8/18

10:30 am-12:59 am

2 stops28h 29m

$1,412

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 8/3

8:05 am-6:30 am

2 stops32h 25m

Brisbane

Wed 8/19

10:30 am-10:07 am

2 stops37h 37m

$1,412

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Tue 9/22

3:42 pm-12:05 pm

2 stops32h 23m

Perth

Wed 12/2

11:35 am-5:54 am

2 stops31h 19m

$1,427

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 7/8

7:05 am-6:50 am

2 stops33h 45m

Sydney Kingsford Smith

Wed 7/15

9:15 am-11:16 pm

2 stops28h 01m

$1,444

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 7/6

6:25 am-6:50 am

2 stops34h 25m

Sydney Kingsford Smith

Mon 7/27

9:15 am-5:29 am

2 stops34h 14m

$1,444

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 7/1

4:10 pm-6:50 am

2 stops24h 40m

Sydney Kingsford Smith

Sun 7/19

9:15 am-12:59 am

2 stops29h 44m

$1,444

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

Showing 1-10 of 43 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $250). Flying from Philadelphia to Australia in October is currently the most expensive (average of $1,066). 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.

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

The price you pay for your flight from Philadelphia to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 28, 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
243 reviews

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Food

7.5

Crew

8.6

Overall

8.1

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
243 reviews
Fiji Airways
8.1
Very good
243 reviews

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Food

7.5

Crew

8.6

Overall

8.1

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
1,043 reviews
Fiji Airways
8.1
Very good
243 reviews

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Food

7.5

Crew

8.6

Overall

8.1

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
9,749 reviews
Fiji Airways
8.1
Very good
243 reviews

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Food

7.5

Crew

8.6

Overall

8.1

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
11,639 reviews
Fiji Airways
8.1
Very good
243 reviews

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Food

7.5

Crew

8.6

Overall

8.1

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
11,093 reviews
Fiji Airways
8.1
Very good
243 reviews

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Food

7.5

Crew

8.6

Overall

8.1

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?

    Air Canada, United Airlines, and American Airlines can get you from Philadelphia to Australia in just under 27h 29m. Your travel time can differ by up to 3h 26m. 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 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 - Melbourne. You may also consider Philadelphia - Sydney Kingsford Smith 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, August is the cheapest month in which you can book a flight from Philadelphia to Australia (average of $250). Flying from Philadelphia to Australia in October is currently the most expensive (average of $1,066). 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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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 May 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$765Average$1,489FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$843Average$1,808FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$945Average$1,675FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$954Average$1,495FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,198Average$1,630FlexibilityNo 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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