Which layover airport offers the lowest fares from Philadelphia to Sydney?

Flights via Dallas (DFW) offer the lowest average round-trip price of $1,055.

Which layover airport has the shortest travel time from Philadelphia to Sydney?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 22h 38m.

What airlines fly to Sydney?

Qantas Airways, United Airlines and Air Canada 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 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Philadelphia and Sydney?

Los Angeles (LAX) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Philadelphia to Sydney?

Dallas (DFW) has the shortest average layover time for this route: 1h 59m.

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 refreshed on a daily basis.

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

As of November 2026, there are 5 operators available to choose from for flights from Philadelphia Airport to Sydney Kingsford Smith Airport.

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 layovers. 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$766 Cheap Flights from Philadelphia to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

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8:45 pm - 6:20 pmPHL Philadelphia-SYD Sydney Kingsford Smith

29h 35m1 stop Doha Hamad Intl

3:50 pm - 2:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

39h 00m1 stop Doha Hamad Intl

$1,251Qatar Airways

Mon, Feb 8 - Mon, Feb 22

8:45 pm - 6:20 pmPHL Philadelphia-SYD Sydney Kingsford Smith

29h 35m1 stop Doha Hamad Intl

10:10 pm - 2:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

32h 40m1 stop Doha Hamad Intl

$1,276Multiple Airlines

Tue, Feb 9 - Tue, Feb 23

3:55 pm - 10:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 25m2 stops Los Angeles Brisbane

2:05 pm - 9:13 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 08m1 stop Dallas/Fort Worth

$1,307Qantas Airways

Mon, Dec 14 - Mon, Dec 21

12:34 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 21m1 stop Dallas/Fort Worth

10:25 am - 8:35 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 10m2 stops Brisbane Los Angeles

$1,317Qantas Airways

Sun, Dec 6 - Wed, Dec 16

12:43 pm - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

29h 52m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 10:59 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 09m2 stops Auckland Intl Houston George Bush Intcntl

$1,345Air New Zealand

Tue, Jan 26 - Tue, Feb 9

8:00 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 35m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 4:45 pmSYD Sydney Kingsford Smith-PHL Philadelphia

61h 20m2 stops Auckland Intl San Francisco

$1,361Air New Zealand

Sun, Feb 14 - Tue, Mar 2

3:20 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

11:20 am - 2:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,362Air Canada

Mon, Feb 1 - Mon, Feb 22

3:20 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

9:20 am - 9:26 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 06m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,362Air Canada

Sun, Nov 22 - Sun, May 16

1:16 pm - 9:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 49m3 stops Chicago O'Hare Intl Denver Intl Los Angeles

11:20 am - 9:39 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 19m2 stops Los Angeles Chicago O'Hare Intl

$1,493United Airlines

Mon, Nov 16 - Tue, Dec 1

6:21 pm - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 59m1 stop San Francisco

11:20 am - 9:39 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 19m2 stops Los Angeles Chicago O'Hare Intl

$1,493United Airlines

Mon, Nov 16 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

5:05 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

48h 30m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 2:39 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,387Air Canada

Sun, Nov 8 - Wed, Nov 18

5:05 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

48h 30m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 2:39 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,395Air Canada

Sun, Nov 8 - Wed, Nov 18

8:00 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 10:57 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 32m2 stops Auckland Intl Houston George Bush Intcntl

$1,442Air New Zealand

Thu, Nov 5 - Thu, Nov 12

7:53 pm - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

44h 42m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 7:39 amSYD Sydney Kingsford Smith-PHL Philadelphia

35h 49m2 stops Auckland Intl San Francisco

$1,450Air New Zealand

Wed, Nov 4 - Wed, Nov 11

8:36 am - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 24m2 stops Atlanta Hartsfield-Jackson Los Angeles

11:10 am - 5:25 amSYD Sydney Kingsford Smith-PHL Philadelphia

34h 15m2 stops Los Angeles Denver Intl

$1,594Multiple Airlines

Sat, Nov 7 - Mon, Nov 30

6:00 am - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 25m2 stops Dallas/Fort Worth Los Angeles

2:00 pm - 11:06 amSYD Sydney Kingsford Smith-PHL Philadelphia

37h 06m3 stops Nadi Los Angeles Minneapolis St Paul

$1,632Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

9:45 am - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 35m2 stops Chicago O'Hare Intl San Francisco

11:50 am - 10:49 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 59m1 stop San Francisco

$2,998United Airlines

Mon, Nov 9 - Fri, Nov 13

9:45 am - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 35m2 stops Chicago O'Hare Intl San Francisco

11:50 am - 10:49 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 59m1 stop San Francisco

$2,998United Airlines

Sun, Nov 8 - Sat, Nov 28

4:46 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 09m1 stop Dallas/Fort Worth

9:50 pm - 6:45 pmSYD Sydney Kingsford Smith-PHL Philadelphia

36h 55m2 stops Brisbane Los Angeles

$8,111Qantas Airways

Mon, Nov 9 - Mon, Dec 21

4:46 pm - 8:15 amPHL Philadelphia-SYD Sydney Kingsford Smith

47h 29m2 stops Dallas/Fort Worth Melbourne

11:05 am - 6:45 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 40m2 stops Brisbane Los Angeles

$13,367Qantas Airways

Mon, Nov 9 - Thu, Dec 24

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Air New Zealand flights from Philadelphia to Sydney

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

Air New Zealand

Jan 26

PHL12:43 pmPhiladelphia

29h 52m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 9

SYD11:50 amSydney Kingsford Smith

27h 09m

2 stops

PHL10:59 pmPhiladelphia

$1,345

Air New Zealand

Feb 2

PHL12:43 pmPhiladelphia

27h 52m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 18

SYD11:50 amSydney Kingsford Smith

26h 44m

2 stops

PHL10:34 pmPhiladelphia

$1,389

Air New Zealand

Jan 27

PHL9:00 amPhiladelphia

33h 35m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 9

SYD11:50 amSydney Kingsford Smith

27h 09m

2 stops

PHL10:59 pmPhiladelphia

$1,393

Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets

Qatar Airways

Feb 8

PHL8:45 pmPhiladelphia

29h 35m

1 stop

SYD6:20 pmSydney Kingsford Smith

Feb 22

SYD3:50 pmSydney Kingsford Smith

39h 00m

1 stop

PHL2:50 pmPhiladelphia

$1,251

Qatar Airways

Feb 17

PHL8:45 pmPhiladelphia

29h 35m

1 stop

SYD6:20 pmSydney Kingsford Smith

Feb 24

SYD3:50 pmSydney Kingsford Smith

39h 00m

1 stop

PHL2:50 pmPhiladelphia

$1,278

Qatar Airways

Feb 11

PHL8:45 pmPhiladelphia

29h 35m

1 stop

SYD6:20 pmSydney Kingsford Smith

Feb 25

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,280

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 2/8

8:45 pm-6:20 pm

1 stop29h 35m

Sydney Kingsford Smith

Mon 2/22

3:50 pm-2:50 pm

1 stop39h 00m

$1,251

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 2/9

8:45 pm-6:20 pm

1 stop29h 35m

Sydney Kingsford Smith

Tue 2/23

10:10 pm-2:50 pm

1 stop32h 40m

$1,276

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 12/14

3:55 pm-10:20 am

2 stops26h 25m

Sydney Kingsford Smith

Mon 12/21

2:05 pm-9:13 pm

1 stop23h 08m

$1,307

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 12/6

12:34 pm-6:55 am

1 stop26h 21m

Sydney Kingsford Smith

Wed 12/16

10:25 am-8:35 pm

2 stops26h 10m

$1,317

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 1/26

12:43 pm-10:35 am

2 stops29h 52m

Sydney Kingsford Smith

Tue 2/9

11:50 am-10:59 pm

2 stops27h 09m

$1,345

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 2/14

8:00 am-8:35 am

2 stops32h 35m

Sydney Kingsford Smith

Tue 3/2

7:25 pm-4:45 pm

2 stops61h 20m

$1,361

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 2/1

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Mon 2/22

11:20 am-2:44 pm

2 stops43h 24m

$1,362

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/22

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Sun 5/16

9:20 am-9:26 pm

2 stops26h 06m

$1,362

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 11/16

1:16 pm-9:05 am

3 stops27h 49m

Sydney Kingsford Smith

Tue 12/1

11:20 am-9:39 pm

2 stops26h 19m

$1,493

Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 11/16

6:21 pm-9:20 am

1 stop22h 59m

Sydney Kingsford Smith

Tue 12/1

11:20 am-9:39 pm

2 stops26h 19m

$1,493

Flights are sorted by cheapest round-trip 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

Layovers

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 $1,351 to $1,555.
The lowest price recently found on this route was $1,251.

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Philadelphia to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,223. If you are unable to visit Sydney during the month of March, then departing from Philadelphia during the month February is also very affordable. Most momondo users find prices during this month for around $1,332.

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 $1,521 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Philadelphia for as low as $1,205 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 16% 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 round-trip 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	$766
Fastest flight time	24h 09m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $766. The best round-trip flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,251.

The fastest flight from Philadelphia to Sydney takes 24h 09m

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?
Philadelphia and Sydney Kingsford Smith are 9863.8 mi apart from one another. Flights usually cover this in 24h 09m, depending on flying conditions and air traffic around both airports.
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 refreshed on a daily basis.
How many operators does momondo search for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?
As of November 2026, there are 5 operators available to choose from for flights from Philadelphia Airport to Sydney Kingsford Smith Airport.
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 layovers. 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Philadelphia to Sydney?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Sydney is Qantas Airways, representing 54% of all bookings. The subsequent popular airlines are American Airlines at 27%, United Airlines at 11%, and Air Canada at 5%.

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 $1,046	Free Cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,124	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,181	Free Cancellation	Rating 7.1 11,847 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,198	Free Cancellation	Rating 7.0 12,229 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,352	Free Cancellation	Rating 8.0 681 reviews	Search Air New Zealand flights

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Why use momondo?

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

Finding the right flight to Sydney from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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?

Once you have performed a search for Philadelphia to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Sydney from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Philadelphia to Sydney from $766

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Sydney departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air New Zealand flights from Philadelphia to Sydney

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

Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets

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How to get the cheapest flight ticket from Philadelphia to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Philadelphia to Sydney flights?

How have Philadelphia to Sydney flight prices changed over time?

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Philadelphia and Sydney?

Which layover airport offers the lowest fares from Philadelphia to Sydney?

Which layover airport has the shortest travel time from Philadelphia to Sydney?

Which layover airport has the shortest connection time from Philadelphia to Sydney?

When to book flights from Philadelphia to Sydney

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Philadelphia to Sydney

Best airlines flying from Philadelphia to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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