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.

What is the cheapest airline that flies from Philadelphia to Sydney Kingsford Smith?

Qantas Airways is the most popular carrier operating from Philadelphia to Sydney Kingsford Smith

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.

$911 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 $2,338 to $1,924. The lowest price recently found on this route was $1,759.

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Find the cheapest flights from Philadelphia to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

05:15 - 06:50

PHL

SYD

35h 35m

2 stops

09:15 - 05:29

SYD

PHL

34h 14m

2 stops

$1,759Delta

Wed, 1 Jul - Mon, 13 Jul

12:38 - 06:50

PHL

SYD

28h 12m

2 stops

09:15 - 06:08

SYD

PHL

34h 53m

2 stops

$1,815Delta

Wed, 27 May - Mon, 8 Jun

06:00 - 07:50

PHL

SYD

34h 50m

2 stops

10:15 - 22:56

SYD

PHL

27h 41m

2 stops

$1,829Delta

Sat, 10 Oct - Sun, 25 Oct

06:10 - 06:50

PHL

SYD

34h 40m

2 stops

09:15 - 23:56

SYD

PHL

28h 41m

2 stops

$1,841Delta

Fri, 19 Jun - Wed, 8 Jul

16:05 - 06:50

PHL

SYD

24h 45m

2 stops

10:15 - 18:27

SYD

PHL

23h 12m

2 stops

$1,843Delta

Fri, 25 Sep - Sun, 4 Oct

08:05 - 06:50

PHL

SYD

32h 45m

2 stops

09:15 - 09:34

SYD

PHL

38h 19m

2 stops

$1,885Delta

Sat, 30 May - Sun, 14 Jun

06:12 - 06:50

PHL

SYD

34h 38m

2 stops

09:15 - 00:59

SYD

PHL

29h 44m

2 stops

$1,897Delta

Sat, 30 May - Sun, 14 Jun

11:16 - 06:50

PHL

SYD

29h 34m

2 stops

09:15 - 00:57

SYD

PHL

29h 42m

2 stops

$1,899Delta

Sat, 27 Jun - Fri, 10 Jul

08:30 - 06:50

PHL

SYD

32h 20m

2 stops

09:15 - 22:55

SYD

PHL

27h 40m

2 stops

$1,911Delta

Sat, 27 Jun - Fri, 10 Jul

20:30 - 17:10

PHL

SYD

30h 40m

1 stop

21:45 - 09:00

SYD

PHL

50h 15m

1 stop

$1,951Qatar Airways

Fri, 25 Sep - Sun, 4 Oct

Delta flights from Philadelphia to Sydney

Our best Delta deals on Philadelphia to Sydney flight tickets

Delta

1 July

PHL05:15Philadelphia

35h 35m

2 stops

SYD06:50Sydney Kingsford Smith

13 July

SYD09:15Sydney Kingsford Smith

34h 14m

2 stops

PHL05:29Philadelphia

$1,759

Delta

27 May

PHL11:28Philadelphia

29h 22m

2 stops

SYD06:50Sydney Kingsford Smith

8 June

SYD09:15Sydney Kingsford Smith

24h 05m

2 stops

PHL19:20Philadelphia

$1,815

Delta

10 Oct

PHL07:05Philadelphia

33h 45m

2 stops

SYD07:50Sydney Kingsford Smith

18 Oct

SYD10:15Sydney Kingsford Smith

28h 25m

2 stops

PHL23:40Philadelphia

$1,829

Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets

Qatar Airways

25 Sept

PHL20:30Philadelphia

30h 40m

1 stop

SYD17:10Sydney Kingsford Smith

4 Oct

SYD21:45Sydney Kingsford Smith

50h 15m

1 stop

PHL09:00Philadelphia

$1,951

Qatar Airways

10 Oct

PHL20:30Philadelphia

34h 50m

2 stops

SYD22:20Sydney Kingsford Smith

18 Oct

SYD21:45Sydney Kingsford Smith

50h 15m

1 stop

PHL09:00Philadelphia

$1,979

Qatar Airways

10 Oct

PHL20:30Philadelphia

34h 10m

2 stops

SYD21:40Sydney Kingsford Smith

25 Oct

SYD21:40Sydney Kingsford Smith

50h 20m

1 stop

PHL09:00Philadelphia

$1,980

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 1/7

05:15-06:50

2 stops35h 35m

Sydney Kingsford Smith

Mon 13/7

09:15-05:29

2 stops34h 14m

$1,759

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 27/5

12:38-06:50

2 stops28h 12m

Sydney Kingsford Smith

Mon 8/6

09:15-06:08

2 stops34h 53m

$1,815

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 10/10

06:00-07:50

2 stops34h 50m

Sydney Kingsford Smith

Sun 25/10

10:15-22:56

2 stops27h 41m

$1,829

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 19/6

06:10-06:50

2 stops34h 40m

Sydney Kingsford Smith

Wed 8/7

09:15-23:56

2 stops28h 41m

$1,841

Fastest return journey

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 25/9

16:05-06:50

2 stops24h 45m

Sydney Kingsford Smith

Sun 4/10

10:15-18:27

2 stops23h 12m

$1,843

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 30/5

08:05-06:50

2 stops32h 45m

Sydney Kingsford Smith

Sun 14/6

09:15-09:34

2 stops38h 19m

$1,885

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 30/5

06:12-06:50

2 stops34h 38m

Sydney Kingsford Smith

Sun 14/6

09:15-00:59

2 stops29h 44m

$1,897

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 27/6

11:16-06:50

2 stops29h 34m

Sydney Kingsford Smith

Fri 10/7

09:15-00:57

2 stops29h 42m

$1,899

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 27/6

08:30-06:50

2 stops32h 20m

Sydney Kingsford Smith

Fri 10/7

09:15-22:55

2 stops27h 40m

$1,911

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 25/9

20:30-17:10

1 stop30h 40m

Sydney Kingsford Smith

Sun 4/10

21:45-09:00

1 stop50h 15m

$1,951

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 $1,482. 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 $1,570.

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 $2,077 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 $1,590 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	22h 50m
Direct flights	None

The fastest flight from Philadelphia to Sydney takes 22h 50m

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

Search flight deals

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 22h 50m.
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.

Parramatta

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.