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 47% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 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: 80% of momondo users choosing 1-stop flights on this route connected there.

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.

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.

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

Air New Zealand 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 refreshed on a daily basis.

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

As of October 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.

$652 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

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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

$1,228Qatar Airways

Wed, Feb 17 - Wed, Feb 24

9:45 pm - 6:20 pmPHL Philadelphia-SYD Sydney Kingsford Smith

29h 35m1 stop Doha Hamad Intl

9:55 pm - 4:00 pmSYD Sydney Kingsford Smith-PHL Philadelphia

33h 05m1 stop Doha Hamad Intl

$1,237Qatar Airways

Wed, Mar 17 - Tue, Mar 30

3:20 pm - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

9:20 am - 2:41 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,279Air Canada

Sun, Mar 28 - Sun, Apr 4

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

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

10:20 am - 2:42 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,279Air Canada

Wed, Mar 10 - Wed, Mar 24

12:43 pm - 12:50 pmPHL Philadelphia-SYD Sydney Kingsford Smith

32h 07m2 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

$1,326Air New Zealand

Tue, Jan 26 - Tue, Feb 2

2:16 pm - 11:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

29h 29m2 stops Los Angeles Brisbane

9:25 pm - 8:09 amSYD Sydney Kingsford Smith-PHL Philadelphia

25h 44m1 stop San Francisco

$1,332Qantas Airways

Wed, Mar 10 - Wed, Mar 24

3:35 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 20m1 stop Dallas/Fort Worth

6:05 am - 8:36 pmSYD Sydney Kingsford Smith-PHL Philadelphia

30h 31m2 stops Brisbane Los Angeles

$1,335Qantas Airways

Tue, Dec 29 - Wed, Jan 20

9:30 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 05m2 stops San Francisco Auckland Intl

11:50 am - 4:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

45h 06m2 stops Auckland Intl Houston George Bush Intcntl

$1,338Air New Zealand

Tue, Jan 26 - Tue, Feb 2

6:40 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 20m1 stop Los Angeles

11:10 am - 8:35 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 25m1 stop Los Angeles

$1,483American Airlines

Mon, Nov 16 - Mon, Nov 23

3:45 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 40m1 stop Los Angeles

11:20 am - 5:52 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 32m1 stop Los Angeles

$1,494American Airlines

Tue, Dec 29 - Wed, Jan 20

Cheap last minute flights

Enter your travel dates to find the best prices.

6:41 pm - 6:50 pmPHL Philadelphia-SYD Sydney Kingsford Smith

57h 09m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 3:14 pmSYD Sydney Kingsford Smith-PHL Philadelphia

33h 29m2 stops Honolulu Portland

$1,993Multiple Airlines

Sat, Oct 10 - Fri, Oct 16

9:30 pm - 10:20 pmPHL Philadelphia-SYD Sydney Kingsford Smith

33h 50m2 stops Doha Hamad Intl Adelaide

3:50 pm - 2:30 pmSYD Sydney Kingsford Smith-PHL Philadelphia

37h 40m1 stop Doha Hamad Intl

$2,211Qatar Airways

Sat, Oct 10 - Fri, Oct 16

10:05 am - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

10:20 am - 9:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$2,367Air Canada

Sat, Oct 10 - Fri, Oct 16

9:27 am - 7:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 28m1 stop San Francisco

7:20 pm - 7:49 amSYD Sydney Kingsford Smith-PHL Philadelphia

51h 29m2 stops Auckland Intl San Francisco

$2,635Air New Zealand

Thu, Oct 8 - Sat, Oct 10

10:05 am - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

10:20 am - 9:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$2,919Air Canada

Sat, Oct 10 - Fri, Oct 16

5:30 pm - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles

10:10 am - 4:19 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 09m1 stop Los Angeles

$2,922Qantas Airways

Wed, Oct 7 - Fri, Oct 9

5:35 pm - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 30m2 stops Phoenix Sky Harbor Intl Los Angeles

9:25 pm - 5:26 amSYD Sydney Kingsford Smith-PHL Philadelphia

23h 01m2 stops San Francisco Phoenix Sky Harbor Intl

$2,998American Airlines

Wed, Oct 7 - Fri, Oct 9

3:57 pm - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 08m1 stop Los Angeles

9:25 pm - 5:26 amSYD Sydney Kingsford Smith-PHL Philadelphia

23h 01m2 stops San Francisco Phoenix Sky Harbor Intl

$2,998American Airlines

Wed, Oct 7 - Fri, Oct 9

1:05 pm - 8:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 40m2 stops Houston George Bush Intcntl Auckland Intl

11:20 am - 9:15 pmSYD Sydney Kingsford Smith-PHL Philadelphia

24h 55m1 stop San Francisco

$3,073Air New Zealand

Thu, Oct 8 - Sat, Oct 10

5:30 pm - 7:30 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 00m1 stop Los Angeles

1:00 pm - 6:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

20h 50m1 stop Dallas/Fort Worth

$3,449Qantas Airways

Thu, Oct 8 - Sat, Oct 10

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Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets

Qatar Airways

Feb 17

PHL8:45 pmPhiladelphia

29h 35m

1 stop

SYD6:20 pmSydney Kingsford Smith

Feb 24

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,228

Qatar Airways

Mar 17

PHL9:45 pmPhiladelphia

29h 35m

1 stop

SYD6:20 pmSydney Kingsford Smith

Mar 30

SYD9:55 pmSydney Kingsford Smith

33h 05m

1 stop

PHL4:00 pmPhiladelphia

$1,237

Qatar Airways

Feb 17

PHL8:45 pmPhiladelphia

29h 35m

1 stop

SYD6:20 pmSydney Kingsford Smith

Feb 24

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,242

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

PHL9:30 amPhiladelphia

31h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 2

SYD11:50 amSydney Kingsford Smith

45h 06m

2 stops

PHL4:56 pmPhiladelphia

$1,338

Air New Zealand

Dec 6

PHL9:20 amPhiladelphia

33h 15m

2 stops

SYD10:35 amSydney Kingsford Smith

Jan 10

SYD7:25 pmSydney Kingsford Smith

43h 34m

2 stops

PHL10:59 pmPhiladelphia

$1,345

Air New Zealand

Dec 6

PHL9:20 amPhiladelphia

31h 15m

2 stops

SYD8:35 amSydney Kingsford Smith

Jan 10

SYD7:25 pmSydney Kingsford Smith

43h 05m

2 stops

PHL10:30 pmPhiladelphia

$1,346

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 2/17

8:45 pm-6:20 pm

1 stop29h 35m

Sydney Kingsford Smith

Wed 2/24

10:10 pm-2:50 pm

1 stop32h 40m

$1,228

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/17

9:45 pm-6:20 pm

1 stop29h 35m

Sydney Kingsford Smith

Tue 3/30

9:55 pm-4:00 pm

1 stop33h 05m

$1,237

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 3/28

3:20 pm-8:20 am

2 stops26h 00m

Sydney Kingsford Smith

Sun 4/4

9:20 am-2:41 pm

2 stops43h 21m

$1,279

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/10

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 3/24

10:20 am-2:42 pm

2 stops43h 22m

$1,279

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 1/26

12:43 pm-12:50 pm

2 stops32h 07m

Sydney Kingsford Smith

Tue 2/2

11:50 am-10:59 pm

2 stops27h 09m

$1,326

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/10

2:16 pm-11:45 am

2 stops29h 29m

Sydney Kingsford Smith

Wed 3/24

9:25 pm-8:09 am

1 stop25h 44m

$1,332

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 12/29

3:35 pm-6:55 am

1 stop23h 20m

Sydney Kingsford Smith

Wed 1/20

6:05 am-8:36 pm

2 stops30h 31m

$1,335

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 1/26

9:30 am-8:35 am

2 stops31h 05m

Sydney Kingsford Smith

Tue 2/2

11:50 am-4:56 pm

2 stops45h 06m

$1,338

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 11/16

6:40 pm-9:00 am

1 stop22h 20m

Sydney Kingsford Smith

Mon 11/23

11:10 am-8:35 pm

1 stop25h 25m

$1,483

Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 12/29

3:45 pm-6:25 am

1 stop22h 40m

Sydney Kingsford Smith

Wed 1/20

11:20 am-5:52 pm

1 stop22h 32m

$1,494

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 $1,313 to $1,917.
The lowest price recently found on this route was $1,251.

What is the cheapest month to fly to Sydney?

In general, February 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 $1,046. If you are unable to visit Sydney during the month of February, then departing from Philadelphia during the month March is also very affordable. Most momondo users find prices during this month for around $1,122.

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 $1,422 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 $1,148 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 2% on your flight if you consider stops on a Philadelphia to Sydney flight.

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	$652
Fastest flight time	22h 25m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $652. The best round-trip flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,228.

The fastest flight from Philadelphia to Sydney takes 22h 25m

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 22h 25m, 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 October 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 53% of all bookings. The subsequent popular airlines are American Airlines at 23%, United Airlines at 17%, 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
United Airlines	PriceFrom $843	Free Cancellation	Rating 7.4 10,279 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,046	Free Cancellation	Rating 7.5 1,103 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.0 12,128 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,181	Free Cancellation	Rating 7.1 11,718 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,352	Free Cancellation	Rating 8.0 669 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 $652

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 2/8. 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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Qatar Airways flights from Philadelphia to Sydney

Our best Qatar Airways deals on Philadelphia to Sydney flight tickets

Air New Zealand flights from Philadelphia to Sydney

Our best Air New Zealand 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?

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

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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

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

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