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: 83% 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.

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 September 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.

$663 Cheap Flights from Philadelphia to Sydney in 2026/27

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3:20 pm - 8:35 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

$1,229Air Canada

Thu, Mar 18 - Sun, Mar 21

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

$1,231Air Canada

Wed, Feb 17 - Wed, Feb 24

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

$1,233Qatar Airways

Wed, Feb 24 - Tue, Mar 9

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

$1,240Qatar Airways

Wed, Feb 17 - Wed, Feb 24

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

48h 30m1 stop Toronto Pearson Intl

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

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

$1,266Air New Zealand

Sat, Feb 13 - Mon, Feb 22

9:15 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 20m1 stop Toronto Pearson Intl

10:20 am - 2:41 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,268Air New Zealand

Wed, Mar 17 - Mon, Mar 29

4:05 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:05 am - 8:14 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 09m2 stops Brisbane Los Angeles

$1,278Qantas Airways

Sun, Nov 8 - Wed, Nov 18

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

26h 25m2 stops Los Angeles Brisbane

2:05 pm - 9:07 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 02m1 stop Dallas/Fort Worth

$1,307Qantas Airways

Tue, Nov 3 - Tue, Nov 17

5:30 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 25m1 stop Dallas/Fort Worth

11:10 am - 8:14 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 04m1 stop Los Angeles

$1,448American Airlines

Mon, Oct 26 - Mon, Nov 9

3:42 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 43m1 stop Los Angeles

11:20 am - 5:55 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 35m1 stop Los Angeles

$1,455American Airlines

Tue, Dec 29 - Wed, Jan 20

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 pm - 6:30 amPHL Philadelphia-SYD Sydney Kingsford Smith

43h 00m1 stop Doha Hamad Intl

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

37h 40m1 stop Doha Hamad Intl

$1,417Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

10:38 am - 11:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 07m2 stops Chicago O'Hare Intl Hong Kong Intl

10:10 am - 2:37 pmSYD Sydney Kingsford Smith-PHL Philadelphia

42h 27m2 stops Hong Kong Intl San Francisco

$1,784Multiple Airlines

Sun, Sep 27 - Sat, Oct 3

3:42 pm - 8:10 pmPHL Philadelphia-SYD Sydney Kingsford Smith

38h 28m2 stops Los Angeles Hong Kong Intl

10:20 pm - 10:52 pmSYD Sydney Kingsford Smith-PHL Philadelphia

39h 32m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,843Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

10:38 am - 11:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 07m2 stops Chicago O'Hare Intl Hong Kong Intl

10:20 pm - 10:52 pmSYD Sydney Kingsford Smith-PHL Philadelphia

39h 32m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,845Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

10:05 am - 7:20 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

$2,015Air Canada

Sun, Sep 27 - Sun, Oct 4

10:05 am - 7:20 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 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,026Air Canada

Sun, Sep 27 - Sun, Oct 4

6:00 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 55m1 stop San Francisco

7:05 pm - 10:31 pmSYD Sydney Kingsford Smith-PHL Philadelphia

42h 26m2 stops Auckland Intl Houston George Bush Intcntl

$2,041Air New Zealand

Sun, Sep 27 - Sun, Oct 4

10:05 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

9:20 am - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$2,060Air Canada

Fri, Sep 25 - Fri, Oct 2

6:38 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 17m1 stop San Francisco

6:05 pm - 11:58 amSYD Sydney Kingsford Smith-PHL Philadelphia

55h 53m2 stops Auckland Intl Houston George Bush Intcntl

$2,344Air New Zealand

Fri, Sep 25 - Sun, Sep 27

1:05 pm - 7:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 40m2 stops Houston George Bush Intcntl Auckland Intl

10:20 am - 9:15 pmSYD Sydney Kingsford Smith-PHL Philadelphia

24h 55m1 stop San Francisco

$2,344Air New Zealand

Fri, Sep 25 - Sun, Sep 27

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Air Canada flights from Philadelphia to Sydney

Our best Air Canada deals on Philadelphia to Sydney flight tickets

Air Canada

Mar 18

PHL3:20 pmPhiladelphia

26h 15m

2 stops

SYD8:35 amSydney Kingsford Smith

Mar 21

SYD10:20 amSydney Kingsford Smith

43h 22m

2 stops

PHL2:42 pmPhiladelphia

$1,229

Air Canada

Feb 17

PHL3:20 pmPhiladelphia

26h 15m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 24

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,231

Air Canada

Feb 17

PHL3:20 pmPhiladelphia

26h 15m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 24

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,232

Air New Zealand flights from Philadelphia to Sydney

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

Air New Zealand

Feb 13

PHL5:05 pmPhiladelphia

48h 30m

1 stop

SYD9:35 amSydney Kingsford Smith

Feb 22

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,266

Air New Zealand

Mar 17

PHL9:15 amPhiladelphia

32h 20m

1 stop

SYD8:35 amSydney Kingsford Smith

Mar 29

SYD10:20 amSydney Kingsford Smith

43h 21m

2 stops

PHL2:41 pmPhiladelphia

$1,268

Air New Zealand

Oct 3

PHL6:34 pmPhiladelphia

22h 21m

1 stop

SYD7:55 amSydney Kingsford Smith

Oct 27

SYD7:25 pmSydney Kingsford Smith

51h 14m

2 stops

PHL7:39 amPhiladelphia

$1,732

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Thu 3/18

3:20 pm-8:35 am

2 stops26h 15m

Sydney Kingsford Smith

Sun 3/21

10:20 am-2:42 pm

2 stops43h 22m

$1,229

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 2/17

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 2/24

11:20 am-2:44 pm

2 stops43h 24m

$1,231

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 2/24

8:45 pm-6:20 pm

1 stop29h 35m

Sydney Kingsford Smith

Tue 3/9

10:10 pm-2:50 pm

1 stop32h 40m

$1,233

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

$1,240

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 2/13

5:05 pm-9:35 am

1 stop48h 30m

Sydney Kingsford Smith

Mon 2/22

11:20 am-2:44 pm

2 stops43h 24m

$1,266

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/17

9:15 am-8:35 am

1 stop32h 20m

Sydney Kingsford Smith

Mon 3/29

10:20 am-2:41 pm

2 stops43h 21m

$1,268

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

4:05 pm-6:25 am

1 stop22h 20m

Sydney Kingsford Smith

Wed 11/18

11:05 am-8:14 pm

2 stops25h 09m

$1,278

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 11/3

3:55 pm-10:20 am

2 stops26h 25m

Sydney Kingsford Smith

Tue 11/17

2:05 pm-9:07 pm

1 stop23h 02m

$1,307

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 10/26

5:30 pm-6:55 am

1 stop22h 25m

Sydney Kingsford Smith

Mon 11/9

11:10 am-8:14 pm

1 stop25h 04m

$1,448

Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 12/29

3:42 pm-6:25 am

1 stop22h 43m

Sydney Kingsford Smith

Wed 1/20

11:20 am-5:55 pm

1 stop22h 35m

$1,455

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 $1,333 to $1,738.
The lowest price recently found on this route was $1,231.

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 $1,421 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 3% 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	$663
Fastest flight time	26h 15m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $663. The best round-trip flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,229.

The fastest flight from Philadelphia to Sydney takes 26h 15m

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 26h 15m, 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 September 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 52% of all bookings. The subsequent popular airlines are American Airlines at 23%, United Airlines at 16%, 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 10,226 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,046	Free Cancellation	Rating 7.5 1,101 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,181	Free Cancellation	Rating 7.1 11,668 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 $663

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 10/19. 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 Canada flights from Philadelphia to Sydney

Our best Air Canada 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?

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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