What is the cheapest airline that flies from Philadelphia to Australia?

Fiji Airways, Qantas Airways, and American Airlines are the most popular carriers operating from Philadelphia to Australia

Which airlines fly to Australia?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Australia from Philadelphia according to our data. Qantas Airways is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 5 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Australia?

Prices for flights from Philadelphia Airport to Australia refresh daily.

How old do you have to be to fly from Philadelphia Airport to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$878 Cheap Flights from Philadelphia to Australia in 2025/26

1 adult

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Find the cheapest flights from Philadelphia to Australia

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

15:30 - 09:35PHL-SYD

26h 05m2 stops

11:20 - 14:47SYD-PHL

43h 27m2 stops

$1,534Air Canada

Find Deal

Mon, 16 Feb - Tue, 24 Feb

15:30 - 09:35PHL-SYD

26h 05m2 stops

16:00 - 15:49SYD-PHL

39h 49m2 stops

$1,536Air Canada

Find Deal

Wed, 26 Nov - Mon, 15 Dec

14:30 - 09:00PHL-SYD

26h 30m1 stop

21:25 - 08:19SYD-PHL

26h 54m1 stop

$1,571Qantas Airways

Find Deal

Wed, 11 Feb - Sun, 22 Feb

10:45 - 06:55PHL-SYD

28h 10m1 stop

11:20 - 17:30SYD-PHL

22h 10m1 stop

$1,606Qantas Airways

Find Deal

Sun, 7 Dec - Mon, 22 Dec

15:30 - 08:35PHL-SYD

26h 05m2 stops

09:20 - 14:46SYD-PHL

43h 26m2 stops

$1,608Multiple Airlines

Find Deal

Tue, 24 Mar - Fri, 10 Apr

13:57 - 09:00PHL-SYD

27h 03m1 stop

11:20 - 23:46SYD-PHL

28h 26m1 stop

$1,610American Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

17:10 - 09:00PHL-SYD

23h 50m2 stops

11:20 - 19:51SYD-PHL

24h 31m2 stops

$1,616American Airlines

Find Deal

Sun, 7 Dec - Mon, 22 Dec

15:30 - 08:35PHL-SYD

26h 05m2 stops

09:20 - 14:46SYD-PHL

43h 26m3 stops

$1,617Multiple Airlines

Find Deal

Tue, 24 Mar - Fri, 10 Apr

13:15 - 07:00PHL-SYD

25h 45m2 stops

11:20 - 21:31SYD-PHL

26h 11m2 stops

$1,619United Airlines

Find Deal

Sun, 7 Dec - Mon, 22 Dec

09:45 - 07:00PHL-SYD

29h 15m2 stops

12:10 - 19:41SYD-PHL

23h 31m1 stop

$1,634United Airlines

Find Deal

Wed, 26 Nov - Mon, 15 Dec

Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

16 Feb

PHL15:30Philadelphia

26h 05m

2 stops

SYD09:35Sydney Kingsford Smith

24 Feb

SYD11:20Sydney Kingsford Smith

43h 27m

2 stops

PHL14:47Philadelphia

$1,534

Find similar

Air Canada

26 Nov

PHL15:30Philadelphia

26h 05m

2 stops

SYD09:35Sydney Kingsford Smith

15 Dec

SYD16:00Sydney Kingsford Smith

39h 49m

2 stops

PHL15:49Philadelphia

$1,536

Find similar

Air Canada

16 Feb

PHL15:30Philadelphia

26h 05m

2 stops

SYD09:35Sydney Kingsford Smith

24 Feb

SYD11:20Sydney Kingsford Smith

43h 27m

3 stops

PHL14:47Philadelphia

$1,543

Find similar

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

11 Feb

PHL14:30Philadelphia

26h 30m

1 stop

SYD09:00Sydney Kingsford Smith

22 Feb

SYD21:25Sydney Kingsford Smith

26h 54m

1 stop

PHL08:19Philadelphia

$1,571

Find similar

Qantas Airways

7 Dec

PHL10:45Philadelphia

28h 10m

1 stop

SYD06:55Sydney Kingsford Smith

22 Dec

SYD11:20Sydney Kingsford Smith

22h 10m

1 stop

PHL17:30Philadelphia

$1,606

Find similar

Qantas Airways

16 Feb

PHL14:14Philadelphia

26h 46m

1 stop

SYD09:00Sydney Kingsford Smith

26 Feb

SYD14:35Sydney Kingsford Smith

39h 52m

2 stops

PHL14:27Philadelphia

$1,653

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 16/2

15:30-09:35

2 stops26h 05m

Sydney Kingsford Smith

Tue 24/2

11:20-14:47

2 stops43h 27m

$1,534

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 26/11

15:30-09:35

2 stops26h 05m

Sydney Kingsford Smith

Mon 15/12

16:00-15:49

2 stops39h 49m

$1,536

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 11/2

14:30-09:00

1 stop26h 30m

Sydney Kingsford Smith

Sun 22/2

21:25-08:19

1 stop26h 54m

$1,571

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 7/12

10:45-06:55

1 stop28h 10m

Sydney Kingsford Smith

Mon 22/12

11:20-17:30

1 stop22h 10m

$1,606

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 24/3

15:30-08:35

2 stops26h 05m

Sydney Kingsford Smith

Fri 10/4

09:20-14:46

2 stops43h 26m

$1,608

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 25/11

13:57-09:00

1 stop27h 03m

Sydney Kingsford Smith

Tue 2/12

11:20-23:46

1 stop28h 26m

$1,610

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 7/12

17:10-09:00

2 stops23h 50m

Sydney Kingsford Smith

Mon 22/12

11:20-19:51

2 stops24h 31m

$1,616

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 24/3

15:30-08:35

2 stops26h 05m

Sydney Kingsford Smith

Fri 10/4

09:20-14:46

3 stops43h 26m

$1,617

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 7/12

13:15-07:00

2 stops25h 45m

Sydney Kingsford Smith

Mon 22/12

11:20-21:31

2 stops26h 11m

$1,619

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 26/11

09:45-07:00

2 stops29h 15m

Sydney Kingsford Smith

Mon 15/12

12:10-19:41

1 stop23h 31m

$1,634

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, February is the cheapest month to fly from Philadelphia to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,683. If you don’t want to visit Australia in February, then you should wait until September to fly from Philadelphia, when ticket prices are also cheap, with an average price of $1,736.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Philadelphia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $2,083. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Philadelphia to Australia on a Wednesday will generally be more expensive and average around $3,852. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,299 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Philadelphia for as low as $1,770 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 54% on your flight if you consider stops on a Philadelphia to Australia flight.

Cheap Philadelphia to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Australia

Direct flights	None

There are no direct flights from Philadelphia to Australia. There are no popular flight routes from Philadelphia to Australia.

Search flight deals

When did momondo last update prices for flights from Philadelphia Airport to Australia?
Prices for flights from Philadelphia Airport to Australia refresh daily.
How old do you have to be to fly from Philadelphia Airport to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Australia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Australia.

I’m not ready to book a flight from Philadelphia to Australia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Australia from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.