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 58% 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 many operators does momondo search for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from Philadelphia Airport to Sydney Kingsford Smith Airport as of October 2026.

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.

$1,074 Cheap Flights from Philadelphia to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

06:00 - 07:50PHL Philadelphia-SYD Sydney Kingsford Smith

34h 50m2 stops Detroit Metropolitan Wayne County Los Angeles

09:15 - 05:41SYD Sydney Kingsford Smith-PHL Philadelphia

34h 26m2 stops Los Angeles Salt Lake City

$1,539Delta

Wed, 31 Mar - Sun, 18 Apr

10:21 - 06:50PHL Philadelphia-SYD Sydney Kingsford Smith

30h 29m2 stops Atlanta Hartsfield-Jackson Los Angeles

09:15 - 00:51SYD Sydney Kingsford Smith-PHL Philadelphia

29h 36m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,539Delta

Sun, 25 Apr - Sun, 30 May

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

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

10:20 - 14:42SYD Sydney Kingsford Smith-PHL Philadelphia

43h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,560Air Canada

Wed, 10 Mar - Wed, 24 Mar

13:00 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

27h 20m2 stops Detroit Metropolitan Wayne County Los Angeles

09:40 - 08:41SYD Sydney Kingsford Smith-PHL Philadelphia

38h 01m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,610Delta

Sat, 20 Mar - Sat, 27 Mar

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

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

10:20 - 14:41SYD Sydney Kingsford Smith-PHL Philadelphia

43h 21m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,612Air Canada

Fri, 5 Mar - Mon, 29 Mar

15:20 - 08:35PHL Philadelphia-SYD Sydney Kingsford Smith

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

10:20 - 14:41SYD Sydney Kingsford Smith-PHL Philadelphia

43h 21m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,624Air Canada

Sat, 20 Mar - Sat, 27 Mar

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

26h 00m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

09:20 - 22:43SYD Sydney Kingsford Smith-PHL Philadelphia

27h 23m2 stops Vancouver Intl Toronto Pearson Intl

$1,647Air Canada

Sun, 25 Apr - Sun, 30 May

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

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

10:20 - 14:42SYD Sydney Kingsford Smith-PHL Philadelphia

43h 22m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,651Air Canada

Wed, 10 Mar - Wed, 24 Mar

15:42 - 07:05PHL Philadelphia-SYD Sydney Kingsford Smith

25h 23m1 stop Los Angeles

12:00 - 21:02SYD Sydney Kingsford Smith-PHL Philadelphia

23h 02m1 stop Dallas/Fort Worth

$1,844Qantas Airways

Sun, 25 Apr - Sun, 30 May

15:55 - 10:20PHL Philadelphia-SYD Sydney Kingsford Smith

26h 25m2 stops Los Angeles Brisbane

21:25 - 07:29SYD Sydney Kingsford Smith-PHL Philadelphia

26h 04m1 stop San Francisco

$1,857Qantas Airways

Wed, 3 Feb - Wed, 17 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

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

11:20 - 14:39SYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,848Air Canada

Thu, 5 Nov - Sun, 15 Nov

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

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

11:20 - 14:39SYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,979Air Canada

Thu, 5 Nov - Sun, 15 Nov

15:55 - 09:00PHL Philadelphia-SYD Sydney Kingsford Smith

25h 05m1 stop Los Angeles

11:10 - 20:32SYD Sydney Kingsford Smith-PHL Philadelphia

25h 22m1 stop Los Angeles

$1,990Qantas Airways

Thu, 5 Nov - Sun, 15 Nov

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

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

11:20 - 14:39SYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,990Air Canada

Thu, 5 Nov - Sun, 15 Nov

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

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

11:20 - 14:39SYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,992Air Canada

Thu, 5 Nov - Sun, 15 Nov

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

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

11:20 - 14:39SYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,002Air Canada

Thu, 5 Nov - Sun, 15 Nov

08:00 - 10:35PHL Philadelphia-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 22:57SYD Sydney Kingsford Smith-PHL Philadelphia

43h 32m2 stops Auckland Intl Houston George Bush Intcntl

$2,049Air New Zealand

Thu, 5 Nov - Thu, 12 Nov

12:40 - 12:50PHL Philadelphia-SYD Sydney Kingsford Smith

32h 10m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 22:57SYD Sydney Kingsford Smith-PHL Philadelphia

43h 32m2 stops Auckland Intl Houston George Bush Intcntl

$2,049Air New Zealand

Mon, 2 Nov - Wed, 4 Nov

19:53 - 08:35PHL Philadelphia-SYD Sydney Kingsford Smith

44h 42m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 07:39SYD Sydney Kingsford Smith-PHL Philadelphia

35h 49m2 stops Auckland Intl San Francisco

$2,060Air New Zealand

Wed, 4 Nov - Wed, 11 Nov

13:47 - 09:00PHL Philadelphia-SYD Sydney Kingsford Smith

27h 13m1 stop Los Angeles

19:40 - 07:06SYD Sydney Kingsford Smith-PHL Philadelphia

27h 26m2 stops Melbourne Los Angeles

$2,148Qantas Airways

Thu, 5 Nov - Sun, 15 Nov

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

JetBlue flights from Philadelphia to Sydney

Our best JetBlue deals on Philadelphia to Sydney flight tickets

JetBlue

5 Nov

PHL20:45Philadelphia

30h 35m

1 stop

SYD19:20Sydney Kingsford Smith

15 Nov

SYD22:10Sydney Kingsford Smith

32h 40m

1 stop

PHL14:50Philadelphia

$2,525

JetBlue

5 Nov

PHL20:45Philadelphia

30h 35m

1 stop

SYD19:20Sydney Kingsford Smith

15 Nov

SYD22:10Sydney Kingsford Smith

32h 40m

1 stop

PHL14:50Philadelphia

$2,526

JetBlue

9 Nov

PHL20:45Philadelphia

30h 35m

1 stop

SYD19:20Sydney Kingsford Smith

13 Nov

SYD22:10Sydney Kingsford Smith

32h 40m

1 stop

PHL14:50Philadelphia

$2,563

Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets

Qatar Airways

3 Feb

PHL20:45Philadelphia

29h 35m

1 stop

SYD18:20Sydney Kingsford Smith

10 Feb

SYD15:50Sydney Kingsford Smith

39h 00m

1 stop

PHL14:50Philadelphia

$1,777

Qatar Airways

8 Feb

PHL20:45Philadelphia

30h 35m

1 stop

SYD19:20Sydney Kingsford Smith

26 Feb

SYD15:50Sydney Kingsford Smith

39h 00m

1 stop

PHL14:50Philadelphia

$1,787

Qatar Airways

3 Feb

PHL20:45Philadelphia

29h 35m

1 stop

SYD18:20Sydney Kingsford Smith

17 Feb

SYD15:50Sydney Kingsford Smith

39h 00m

1 stop

PHL14:50Philadelphia

$1,801

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 31/3

06:00-07:50

2 stops34h 50m

Sydney Kingsford Smith

Sun 18/4

09:15-05:41

2 stops34h 26m

$1,539

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 25/4

10:21-06:50

2 stops30h 29m

Sydney Kingsford Smith

Sun 30/5

09:15-00:51

2 stops29h 36m

$1,539

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/3

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 24/3

10:20-14:42

2 stops43h 22m

$1,560

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 20/3

13:00-07:20

2 stops27h 20m

Sydney Kingsford Smith

Sat 27/3

09:40-08:41

2 stops38h 01m

$1,610

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 5/3

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Mon 29/3

10:20-14:41

2 stops43h 21m

$1,612

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 20/3

15:20-08:35

3 stops50h 15m

Sydney Kingsford Smith

Sat 27/3

10:20-14:41

2 stops43h 21m

$1,624

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 25/4

15:20-07:20

2 stops26h 00m

Sydney Kingsford Smith

Sun 30/5

09:20-22:43

2 stops27h 23m

$1,647

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/3

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 24/3

10:20-14:42

3 stops43h 22m

$1,651

Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 25/4

15:42-07:05

1 stop25h 23m

Sydney Kingsford Smith

Sun 30/5

12:00-21:02

1 stop23h 02m

$1,844

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/2

15:55-10:20

2 stops26h 25m

Sydney Kingsford Smith

Wed 17/2

21:25-07:29

1 stop26h 04m

$1,857

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 $1,874 to $2,209.
The lowest price recently found on this route was $1,539.

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 $1,486. 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 $1,698.

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 $2,042 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 $1,631 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	$1,074
Fastest flight time	23h 20m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $1,074. The best return flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,539.

The fastest flight from Philadelphia to Sydney takes 23h 20m

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 23h 20m.
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 many operators does momondo search for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from Philadelphia Airport to Sydney Kingsford Smith Airport as of October 2026.
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.
What is the most popular airline from Philadelphia to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Sydney is Qantas Airways (100% of total bookings).

Best airlines flying from Philadelphia to Sydney

Compare and see reviews for airlines that fly from Philadelphia to Sydney with momondo

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,947	Free cancellation	Rating 7.5 1,121 reviews		Search Qantas Airways flights

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

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.