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 56% 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.

$1,005 Cheap Flights from Philadelphia to Sydney in 2026

Find the cheapest flights from Philadelphia to Sydney

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One-way

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10:05 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

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

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

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

$1,707Air Canada

Tue, 15 Sep - Mon, 21 Sep

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

$1,714Air 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

$1,716Air Canada

Sun, 8 Nov - Wed, 18 Nov

10:05 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

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

09:20 - 14:47SYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,719Air Canada

Tue, 15 Sep - Mon, 21 Sep

10:05 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

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

09:20 - 14:47SYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,726Air Canada

Mon, 31 Aug - Wed, 16 Sep

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

$1,727Air Canada

Sun, 8 Nov - Wed, 18 Nov

10:05 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

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

09:20 - 14:47SYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,728Air Canada

Tue, 15 Sep - Mon, 21 Sep

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

50h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson 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

$1,738Air Canada

Sun, 8 Nov - Wed, 18 Nov

13:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

28h 15m3 stops Chicago O'Hare Intl Denver 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

$1,743Multiple Airlines

Tue, 3 Nov - Wed, 18 Nov

20:30 - 06:50PHL Philadelphia-SYD Sydney Kingsford Smith

42h 20m1 stop Doha Hamad Intl

15:50 - 14:40SYD Sydney Kingsford Smith-PHL Philadelphia

38h 50m1 stop Doha Hamad Intl

$1,748Multiple Airlines

Sun, 8 Nov - Wed, 18 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:34 - 09:25PHL Philadelphia-SYD Sydney Kingsford Smith

32h 51m2 stops Chicago O'Hare Intl Tokyo Haneda

11:45 - 14:21SYD Sydney Kingsford Smith-PHL Philadelphia

64h 36m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$2,013ANA

Tue, 18 Aug - Tue, 25 Aug

06:25 - 19:10PHL Philadelphia-SYD Sydney Kingsford Smith

46h 45m2 stops Chicago O'Hare Intl Tokyo Haneda

11:45 - 14:21SYD Sydney Kingsford Smith-PHL Philadelphia

64h 36m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$2,170ANA

Tue, 18 Aug - Tue, 25 Aug

10:34 - 09:25PHL Philadelphia-SYD Sydney Kingsford Smith

32h 51m2 stops Chicago O'Hare Intl Tokyo Haneda

20:55 - 14:21SYD Sydney Kingsford Smith-PHL Philadelphia

31h 26m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$2,239ANA

Sat, 22 Aug - Sat, 29 Aug

09:27 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

33h 18m2 stops San Francisco Auckland Intl

10:20 - 19:15SYD Sydney Kingsford Smith-PHL Philadelphia

22h 55m1 stop San Francisco

$2,315Air New Zealand

Tue, 18 Aug - Tue, 25 Aug

09:27 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

33h 18m2 stops San Francisco Auckland Intl

10:20 - 19:15SYD Sydney Kingsford Smith-PHL Philadelphia

22h 55m1 stop San Francisco

$2,349Air New Zealand

Tue, 18 Aug - Tue, 25 Aug

21:30 - 22:20PHL Philadelphia-SYD Sydney Kingsford Smith

34h 50m2 stops Doha Hamad Intl Adelaide

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

37h 40m1 stop Doha Hamad Intl

$2,372Qatar Airways

Tue, 18 Aug - Tue, 25 Aug

15:24 - 16:50PHL Philadelphia-SYD Sydney Kingsford Smith

35h 26m2 stops Atlanta Hartsfield-Jackson Abu Dhabi Zayed Intl

20:50 - 08:09SYD Sydney Kingsford Smith-PHL Philadelphia

49h 19m2 stops Abu Dhabi Zayed Intl Atlanta Hartsfield-Jackson

$2,399Multiple Airlines

Sat, 22 Aug - Mon, 24 Aug

13:06 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

29h 39m2 stops Houston George Bush Intcntl Auckland Intl

10:20 - 19:15SYD Sydney Kingsford Smith-PHL Philadelphia

22h 55m1 stop San Francisco

$2,617Air New Zealand

Sat, 22 Aug - Sat, 29 Aug

09:27 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

33h 18m2 stops San Francisco Auckland Intl

09:55 - 12:23SYD Sydney Kingsford Smith-PHL Philadelphia

40h 28m3 stops Auckland Intl Los Angeles Chicago O'Hare Intl

$2,670Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

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

$2,692Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

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Air Canada flights from Philadelphia to Sydney

Our best Air Canada deals on Philadelphia to Sydney flight tickets

Air Canada

15 Sept

PHL10:05Philadelphia

31h 15m

2 stops

SYD07:20Sydney Kingsford Smith

21 Sept

SYD09:20Sydney Kingsford Smith

26h 12m

2 stops

PHL21:32Philadelphia

$1,707

Air Canada

31 Aug

PHL10:05Philadelphia

31h 15m

2 stops

SYD07:20Sydney Kingsford Smith

16 Sept

SYD09:20Sydney Kingsford Smith

43h 27m

2 stops

PHL14:47Philadelphia

$1,714

Air Canada

8 Nov

PHL15:20Philadelphia

26h 15m

2 stops

SYD09:35Sydney Kingsford Smith

18 Nov

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,716

Air New Zealand flights from Philadelphia to Sydney

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

Air New Zealand

4 Nov

PHL15:20Philadelphia

26h 15m

2 stops

SYD09:35Sydney Kingsford Smith

11 Nov

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,799

Air New Zealand

18 Aug

PHL09:27Philadelphia

33h 18m

2 stops

SYD08:45Sydney Kingsford Smith

25 Aug

SYD10:20Sydney Kingsford Smith

22h 55m

1 stop

PHL19:15Philadelphia

$2,315

Air New Zealand

23 Aug

PHL06:00Philadelphia

36h 45m

2 stops

SYD08:45Sydney Kingsford Smith

28 Aug

SYD10:20Sydney Kingsford Smith

24h 35m

1 stop

PHL20:55Philadelphia

$2,537

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 15/9

10:05-07:20

2 stops31h 15m

Sydney Kingsford Smith

Mon 21/9

09:20-21:32

2 stops26h 12m

$1,707

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

$1,714

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

$1,716

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 15/9

10:05-07:20

2 stops31h 15m

Sydney Kingsford Smith

Mon 21/9

09:20-14:47

3 stops43h 27m

$1,719

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 31/8

10:05-07:20

2 stops31h 15m

Sydney Kingsford Smith

Wed 16/9

09:20-14:47

3 stops43h 27m

$1,726

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

$1,727

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 15/9

10:05-07:20

3 stops31h 15m

Sydney Kingsford Smith

Mon 21/9

09:20-14:47

3 stops43h 27m

$1,728

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

15:20-09:35

3 stops50h 15m

Sydney Kingsford Smith

Wed 18/11

11:20-14:44

3 stops43h 24m

$1,738

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 3/11

13:20-09:35

3 stops28h 15m

Sydney Kingsford Smith

Wed 18/11

11:20-14:44

3 stops43h 24m

$1,743

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

20:30-06:50

1 stop42h 20m

Sydney Kingsford Smith

Wed 18/11

15:50-14:40

1 stop38h 50m

$1,748

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 $1,997 to $2,643.
The lowest price recently found on this route was $1,672.

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 $1,480. 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 $1,583.

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 $2,001 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 $1,410 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 20% 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	$1,005
Fastest flight time	25h 18m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $1,005. The best return flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,707.

The fastest flight from Philadelphia to Sydney takes 25h 18m

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 25h 18m.
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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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.