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 57% 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?

Cathay Pacific 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.

$950 Cheap Flights from Philadelphia to Sydney in 2026

Find the cheapest flights from Philadelphia to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:30 - 20:50PHL Philadelphia-SYD Sydney Kingsford Smith

36h 20m2 stops Dallas/Fort Worth Auckland Intl

11:10 - 20:14SYD Sydney Kingsford Smith-PHL Philadelphia

25h 04m1 stop Los Angeles Los Angeles

$1,520Qantas Airways

Wed, 28 Oct - Thu, 12 Nov

10:05 - 08:20PHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 - 22:56SYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m2 stops Vancouver Intl Toronto Pearson Intl

$1,581Air Canada

Tue, 20 Oct - Sat, 31 Oct

10:05 - 08:20PHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 - 15:44SYD Sydney Kingsford Smith-PHL Philadelphia

44h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,585Air Canada

Tue, 20 Oct - Sat, 31 Oct

10:05 - 08:20PHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

10:20 - 15:44SYD Sydney Kingsford Smith-PHL Philadelphia

44h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,596Air Canada

Tue, 20 Oct - Sat, 31 Oct

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,645Air Canada

Sun, 8 Nov - Wed, 18 Nov

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,646Air Canada

Sun, 8 Nov - Wed, 18 Nov

13:24 - 08:20PHL Philadelphia-SYD Sydney Kingsford Smith

27h 56m2 stops Chicago O'Hare Intl Vancouver Intl

10:20 - 21:32SYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,648Multiple Airlines

Wed, 14 Oct - Sun, 18 Oct

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,656Air Canada

Sun, 8 Nov - Wed, 18 Nov

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,657Air Canada

Sun, 8 Nov - Wed, 18 Nov

13:24 - 08:20PHL Philadelphia-SYD Sydney Kingsford Smith

27h 56m2 stops Chicago O'Hare Intl Vancouver Intl

10:20 - 14:47SYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,659Multiple Airlines

Wed, 14 Oct - Sun, 18 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:48 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

49h 32m2 stops Denver Intl Vancouver Intl

09:20 - 22:46SYD Sydney Kingsford Smith-PHL Philadelphia

27h 26m2 stops Vancouver Intl Toronto Pearson Intl

$1,779Air Canada

Fri, 4 Sep - Fri, 11 Sep

15:48 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

49h 32m2 stops Denver Intl Vancouver Intl

09:20 - 21:32SYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,785Air Canada

Fri, 4 Sep - Fri, 11 Sep

21:30 - 06:30PHL Philadelphia-SYD Sydney Kingsford Smith

43h 00m1 stop Doha Hamad Intl

19:00 - 14:30SYD Sydney Kingsford Smith-PHL Philadelphia

33h 30m2 stops Brisbane Doha Hamad Intl

$2,310Qatar Airways

Fri, 4 Sep - Fri, 11 Sep

21:30 - 06:30PHL Philadelphia-SYD Sydney Kingsford Smith

43h 00m1 stop Doha Hamad Intl

14:50 - 14:30SYD Sydney Kingsford Smith-PHL Philadelphia

37h 40m1 stop Doha Hamad Intl

$2,381Qatar Airways

Fri, 4 Sep - Fri, 11 Sep

10:40 - 07:05PHL Philadelphia-SYD Sydney Kingsford Smith

30h 25m2 stops Orlando Los Angeles Los Angeles

17:50 - 23:59SYD Sydney Kingsford Smith-PHL Philadelphia

44h 09m2 stops Los Angeles Los Angeles Orlando

$2,711Multiple Airlines

Fri, 4 Sep - Sun, 6 Sep

09:20 - 07:05PHL Philadelphia-SYD Sydney Kingsford Smith

31h 45m2 stops Orlando Los Angeles Los Angeles

17:50 - 09:35SYD Sydney Kingsford Smith-PHL Philadelphia

53h 45m2 stops Los Angeles Los Angeles Orlando

$2,732Multiple Airlines

Thu, 3 Sep - Sat, 5 Sep

08:15 - 07:05PHL Philadelphia-SYD Sydney Kingsford Smith

32h 50m2 stops Dallas/Fort Worth Los Angeles Los Angeles

17:50 - 12:43SYD Sydney Kingsford Smith-PHL Philadelphia

32h 53m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,768Multiple Airlines

Sat, 5 Sep - Mon, 7 Sep

08:15 - 07:05PHL Philadelphia-SYD Sydney Kingsford Smith

32h 50m2 stops Dallas/Fort Worth Los Angeles Los Angeles

12:05 - 12:43SYD Sydney Kingsford Smith-PHL Philadelphia

38h 38m3 stops Brisbane Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,824Multiple Airlines

Sat, 5 Sep - Mon, 7 Sep

06:16 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

36h 29m2 stops Houston George Bush Intcntl Auckland Intl

19:05 - 22:31SYD Sydney Kingsford Smith-PHL Philadelphia

41h 26m2 stops Auckland Intl Houston George Bush Intcntl

$2,960Air New Zealand

Fri, 4 Sep - Sun, 6 Sep

21:30 - 17:10PHL Philadelphia-SYD Sydney Kingsford Smith

29h 40m1 stop Doha Hamad Intl

19:15 - 14:30SYD Sydney Kingsford Smith-PHL Philadelphia

33h 15m2 stops Melbourne Doha Hamad Intl

$3,101Qatar Airways

Fri, 4 Sep - Sun, 6 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Philadelphia to Sydney

Our best Air Canada deals on Philadelphia to Sydney flight tickets

Air Canada

20 Oct

PHL10:05Philadelphia

31h 15m

2 stops

SYD08:20Sydney Kingsford Smith

31 Oct

SYD10:20Sydney Kingsford Smith

27h 36m

2 stops

PHL22:56Philadelphia

$1,581

Air Canada

20 Oct

PHL10:05Philadelphia

31h 15m

2 stops

SYD08:20Sydney Kingsford Smith

31 Oct

SYD10:20Sydney Kingsford Smith

44h 24m

3 stops

PHL15:44Philadelphia

$1,585

Air Canada

20 Oct

PHL10:05Philadelphia

31h 15m

3 stops

SYD08:20Sydney Kingsford Smith

31 Oct

SYD10:20Sydney Kingsford Smith

44h 24m

3 stops

PHL15:44Philadelphia

$1,596

Air New Zealand flights from Philadelphia to Sydney

Our best Air New Zealand deals on Philadelphia to Sydney flight tickets

Air New Zealand

2 Feb

PHL15:20Philadelphia

26h 15m

2 stops

SYD09:35Sydney Kingsford Smith

15 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,783

Air New Zealand

1 Feb

PHL17:05Philadelphia

48h 30m

1 stop

SYD09:35Sydney Kingsford Smith

15 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,792

Air New Zealand

14 Feb

PHL09:15Philadelphia

32h 20m

1 stop

SYD09:35Sydney Kingsford Smith

21 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,793

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 28/10

17:30-20:50

2 stops36h 20m

Sydney Kingsford Smith

Thu 12/11

11:10-20:14

1 stop25h 04m

$1,520

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 20/10

10:05-08:20

2 stops31h 15m

Sydney Kingsford Smith

Sat 31/10

10:20-22:56

2 stops27h 36m

$1,581

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 20/10

10:05-08:20

2 stops31h 15m

Sydney Kingsford Smith

Sat 31/10

10:20-15:44

3 stops44h 24m

$1,585

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 20/10

10:05-08:20

3 stops31h 15m

Sydney Kingsford Smith

Sat 31/10

10:20-15:44

3 stops44h 24m

$1,596

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 18/11

11:20-14:44

2 stops43h 24m

$1,645

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 18/11

11:20-14:44

2 stops43h 24m

$1,646

Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 14/10

13:24-08:20

2 stops27h 56m

Sydney Kingsford Smith

Sun 18/10

10:20-21:32

2 stops26h 12m

$1,648

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 18/11

11:20-14:44

3 stops43h 24m

$1,656

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 18/11

11:20-14:44

3 stops43h 24m

$1,657

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 14/10

13:24-08:20

2 stops27h 56m

Sydney Kingsford Smith

Sun 18/10

10:20-14:47

3 stops43h 27m

$1,659

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,754 to $2,172.
The lowest price recently found on this route was $1,520.

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 $1,466. 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 $1,568.

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 $2,020 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 $1,396 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 25% 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

Best price found	$950
Fastest flight time	22h 40m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $950. The best return flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,520.

The fastest flight from Philadelphia to Sydney takes 22h 40m

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 40m.
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

Terrigal

Wollongong

Katoomba

Penrith

Lithgow

Manly

Coogee

Randwick

Cronulla

Leura

Charlestown

Bondi Beach

Swansea

Newport

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.