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

Qantas Airways, Fiji Airways, and Air New Zealand 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 40% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 3 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.

$747 Cheap Flights from Philadelphia to Australia in 2026

1 adult

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Find the cheapest flights from Philadelphia to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:05 - 08:20

PHL

MEL

47h 15m

2 stops

12:00 - 19:48

MEL

PHL

23h 48m

1 stop

$1,361Qantas Airways

Sat, 21 Feb - Wed, 4 Mar

15:59 - 08:20

PHL

MEL

48h 21m

2 stops

12:00 - 19:42

MEL

PHL

22h 42m

1 stop

$1,362Qantas Airways

Wed, 4 Mar - Wed, 11 Mar

10:05 - 07:20

PHL

SYD

31h 15m

2 stops

09:20 - 21:33

SYD

PHL

26h 13m

2 stops

$1,456Air Canada

Wed, 20 May - Wed, 27 May

09:15 - 07:20

PHL

SYD

32h 05m

2 stops

09:20 - 14:46

SYD

PHL

43h 26m

2 stops

$1,463Air Canada

Tue, 7 Apr - Tue, 14 Apr

14:18 - 13:55

PHL

MCY

33h 37m

2 stops

19:25 - 05:51

MCY

PHL

48h 26m

2 stops

$1,629Multiple Airlines

Sun, 22 Mar - Sun, 29 Mar

10:25 - 14:10

PHL

AVV

37h 45m

3 stops

20:55 - 15:38

AVV

PHL

56h 43m

3 stops

$1,636Multiple Airlines

Tue, 5 May - Mon, 25 May

18:20 - 07:30

PHL

BNE

22h 10m

1 stop

10:40 - 21:31

BNE

PHL

24h 51m

1 stop

$1,661United Airlines

Sat, 7 Mar - Sun, 15 Mar

18:20 - 06:30

PHL

BNE

22h 10m

1 stop

10:30 - 14:16

BNE

PHL

41h 46m

2 stops

$1,669United Airlines

Tue, 24 Mar - Fri, 10 Apr

10:45 - 05:00

PHL

BNE

28h 15m

1 stop

20:35 - 07:20

BNE

PHL

24h 45m

1 stop

$1,676American Airlines

Tue, 24 Mar - Fri, 10 Apr

14:48 - 06:30

PHL

BNE

24h 42m

2 stops

19:40 - 05:35

BNE

PHL

23h 55m

2 stops

$1,693American Airlines

Sat, 7 Mar - Sun, 15 Mar

Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

20 May

PHL10:05Philadelphia

31h 15m

2 stops

SYD07:20Sydney Kingsford Smith

27 May

SYD09:20Sydney Kingsford Smith

26h 13m

2 stops

PHL21:33Philadelphia

$1,456

Air Canada

7 Apr

PHL09:15Philadelphia

32h 05m

2 stops

SYD07:20Sydney Kingsford Smith

14 Apr

SYD09:20Sydney Kingsford Smith

43h 26m

2 stops

PHL14:46Philadelphia

$1,463

Air Canada

7 Apr

PHL15:30Philadelphia

49h 50m

3 stops

SYD07:20Sydney Kingsford Smith

14 Apr

SYD09:20Sydney Kingsford Smith

43h 26m

2 stops

PHL14:46Philadelphia

$1,469

American Airlines flights from Philadelphia to Australia

Our best American Airlines deals on Philadelphia to Australia flight tickets

American Airlines

23 Feb

PHL15:37Philadelphia

25h 23m

2 stops

SYD09:00Sydney Kingsford Smith

3 Mar

SYD11:20Sydney Kingsford Smith

28h 30m

1 stop

PHL23:50Philadelphia

$1,503

American Airlines

23 Feb

PHL15:37Philadelphia

25h 23m

2 stops

SYD09:00Sydney Kingsford Smith

3 Mar

SYD11:20Sydney Kingsford Smith

28h 30m

1 stop

PHL23:50Philadelphia

$1,505

American Airlines

20 Feb

PHL14:16Philadelphia

26h 44m

1 stop

SYD09:00Sydney Kingsford Smith

18 Mar

SYD11:20Sydney Kingsford Smith

23h 26m

2 stops

PHL19:46Philadelphia

$1,612

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sat 21/2

17:05-08:20

2 stops47h 15m

Melbourne

Wed 4/3

12:00-19:48

1 stop23h 48m

$1,361

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Wed 4/3

15:59-08:20

2 stops48h 21m

Melbourne

Wed 11/3

12:00-19:42

1 stop22h 42m

$1,362

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 20/5

10:05-07:20

2 stops31h 15m

Sydney Kingsford Smith

Wed 27/5

09:20-21:33

2 stops26h 13m

$1,456

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 7/4

09:15-07:20

2 stops32h 05m

Sydney Kingsford Smith

Tue 14/4

09:20-14:46

2 stops43h 26m

$1,463

PhiladelphiaMaroochydore

PHL - MCY

PHLMCY

Philadelphia

Sun 22/3

14:18-13:55

2 stops33h 37m

Maroochydore Sunshine Coast

Sun 29/3

19:25-05:51

2 stops48h 26m

$1,629

PhiladelphiaMelbourne

PHL - AVV

PHLAVV

Philadelphia

Tue 5/5

10:25-14:10

3 stops37h 45m

Melbourne Avalon

Mon 25/5

20:55-15:38

3 stops56h 43m

$1,636

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 7/3

18:20-07:30

1 stop22h 10m

Brisbane

Sun 15/3

10:40-21:31

1 stop24h 51m

$1,661

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 24/3

18:20-06:30

1 stop22h 10m

Brisbane

Fri 10/4

10:30-14:16

2 stops41h 46m

$1,668

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 24/3

10:45-05:00

1 stop28h 15m

Brisbane

Fri 10/4

20:35-07:20

1 stop24h 45m

$1,676

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 7/3

14:48-06:30

2 stops24h 42m

Brisbane

Sun 15/3

19:40-05:35

2 stops23h 55m

$1,693

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 $1,490. 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 $1,737.

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 $2,053 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 $1,496 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 60% 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

Fastest flight time	22h 17m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 22h 17m

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.