Which airlines fly to Sydney?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Sydney from Philadelphia according to our data. Qantas Airways is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney 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 Sydney Kingsford Smith Airport?

Prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport are updated daily.

How old do you have to be to fly from Philadelphia Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$804 Cheap Flights from Philadelphia to Sydney in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $2,521 to $1,717. The lowest price recently found on this route was $1,698.

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Find the cheapest flights from Philadelphia to Sydney

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One-way

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07:55 - 22:10

PHL

SYD

48h 15m

3 stops

06:00 - 05:37

SYD

PHL

37h 37m

3 stops

$1,698Multiple Airlines

Thu, 21 May - Thu, 28 May

17:37 - 07:05

PHL

SYD

23h 28m

1 stop

09:10 - 18:54

SYD

PHL

23h 44m

1 stop

$1,779Qantas Airways

Tue, 12 May - Tue, 19 May

17:37 - 07:30

PHL

SYD

23h 53m

1 stop

09:10 - 18:35

SYD

PHL

23h 25m

1 stop

$1,782Qantas Airways

Tue, 19 May - Tue, 26 May

17:40 - 07:05

PHL

SYD

23h 25m

1 stop

09:10 - 18:28

SYD

PHL

23h 18m

1 stop

$1,793Qantas Airways

Wed, 1 Jul - Mon, 13 Jul

17:40 - 07:05

PHL

SYD

23h 25m

1 stop

12:00 - 18:52

SYD

PHL

20h 52m

1 stop

$1,796Qantas Airways

Wed, 1 Jul - Mon, 13 Jul

17:30 - 07:05

PHL

SYD

23h 35m

2 stops

21:25 - 05:50

SYD

PHL

22h 25m

1 stop

$1,818American Airlines

Mon, 14 Sep - Sun, 27 Sep

17:30 - 07:05

PHL

SYD

23h 35m

2 stops

09:10 - 18:34

SYD

PHL

23h 24m

1 stop

$1,819American Airlines

Mon, 14 Sep - Sun, 27 Sep

16:30 - 07:05

PHL

SYD

24h 35m

2 stops

12:00 - 18:56

SYD

PHL

20h 56m

1 stop

$1,821American Airlines

Mon, 14 Sep - Sun, 27 Sep

13:28 - 07:05

PHL

SYD

27h 37m

1 stop

21:25 - 05:50

SYD

PHL

22h 25m

1 stop

$1,822American Airlines

Mon, 14 Sep - Sun, 27 Sep

11:30 - 07:00

PHL

SYD

29h 30m

2 stops

09:30 - 19:18

SYD

PHL

23h 48m

2 stops

$1,824United Airlines

Mon, 14 Sep - Sun, 27 Sep

American Airlines flights from Philadelphia to Sydney

Our best American Airlines deals on Philadelphia to Sydney flight tickets

American Airlines

14 Sept

PHL17:30Philadelphia

23h 35m

2 stops

SYD07:05Sydney Kingsford Smith

27 Sept

SYD21:25Sydney Kingsford Smith

22h 25m

1 stop

PHL05:50Philadelphia

$1,818

American Airlines

14 Sept

PHL17:30Philadelphia

23h 35m

2 stops

SYD07:05Sydney Kingsford Smith

27 Sept

SYD09:10Sydney Kingsford Smith

23h 24m

1 stop

PHL18:34Philadelphia

$1,819

American Airlines

14 Sept

PHL16:30Philadelphia

24h 35m

2 stops

SYD07:05Sydney Kingsford Smith

27 Sept

SYD12:00Sydney Kingsford Smith

20h 56m

1 stop

PHL18:56Philadelphia

$1,821

United Airlines flights from Philadelphia to Sydney

Our best United Airlines deals on Philadelphia to Sydney flight tickets

United Airlines

14 Sept

PHL11:30Philadelphia

29h 30m

2 stops

SYD07:00Sydney Kingsford Smith

27 Sept

SYD09:30Sydney Kingsford Smith

23h 48m

2 stops

PHL19:18Philadelphia

$1,824

United Airlines

14 Sept

PHL10:00Philadelphia

31h 00m

2 stops

SYD07:00Sydney Kingsford Smith

27 Sept

SYD09:30Sydney Kingsford Smith

23h 55m

2 stops

PHL19:25Philadelphia

$1,826

United Airlines

14 Sept

PHL11:30Philadelphia

29h 25m

2 stops

SYD06:55Sydney Kingsford Smith

27 Sept

SYD09:30Sydney Kingsford Smith

23h 22m

2 stops

PHL18:52Philadelphia

$1,828

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 21/5

07:55-22:10

3 stops48h 15m

Sydney Kingsford Smith

Thu 28/5

06:00-05:37

3 stops37h 37m

$1,698

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 12/5

17:37-07:05

1 stop23h 28m

Sydney Kingsford Smith

Tue 19/5

09:10-18:54

1 stop23h 44m

$1,779

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 19/5

17:37-07:30

1 stop23h 53m

Sydney Kingsford Smith

Tue 26/5

09:10-18:35

1 stop23h 25m

$1,782

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 1/7

17:40-07:05

1 stop23h 25m

Sydney Kingsford Smith

Mon 13/7

09:10-18:28

1 stop23h 18m

$1,793

Fastest return journey

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 1/7

17:40-07:05

1 stop23h 25m

Sydney Kingsford Smith

Mon 13/7

12:00-18:52

1 stop20h 52m

$1,796

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 14/9

17:30-07:05

2 stops23h 35m

Sydney Kingsford Smith

Sun 27/9

21:25-05:50

1 stop22h 25m

$1,818

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 14/9

17:30-07:05

2 stops23h 35m

Sydney Kingsford Smith

Sun 27/9

09:10-18:34

1 stop23h 24m

$1,819

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 14/9

16:30-07:05

2 stops24h 35m

Sydney Kingsford Smith

Sun 27/9

12:00-18:56

1 stop20h 56m

$1,821

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 14/9

13:28-07:05

1 stop27h 37m

Sydney Kingsford Smith

Sun 27/9

21:25-05:50

1 stop22h 25m

$1,822

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 14/9

11:30-07:00

2 stops29h 30m

Sydney Kingsford Smith

Sun 27/9

09:30-19:18

2 stops23h 48m

$1,824

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 Sydney

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 typical price of a round-trip flight between Philadelphia and Sydney?

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Philadelphia, with most prices found around $1,479. If you aren’t able to travel to Sydney during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,567.

How far in advance should I book a flight from Philadelphia to Sydney?

You are more likely to see cheaper flights to Sydney from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,075 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Philadelphia for as low as $1,586 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 63% on your flight if you consider stops on a Philadelphia to Sydney flight.

How have Philadelphia to Sydney flight prices changed over time?

When to book flights from Philadelphia to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Philadelphia to Sydney (PHL to SYD) flight deals and tips

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

Fastest flight time	23h 04m
Direct flights	None

The fastest flight from Philadelphia to Sydney takes 23h 04m

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

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Frequently asked questions about flying from Philadelphia to Sydney

How far is Philadelphia to Sydney Kingsford Smith by plane?
The straight-line distance from Philadelphia to Sydney Kingsford Smith is 15874.2 km. In terms of flight time, this usually takes a little over 23h 04m.
When did momondo last update prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?
Prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport are updated daily.
How old do you have to be to fly from Philadelphia Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Sydney for you.

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

Yes. All flights to Sydney from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Sydney from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Sydney 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.