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 49% 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: 83% of momondo users choosing 1-stop flights on this route connected there.

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

Cathay Pacific is the most popular carrier operating from Philadelphia to Sydney Kingsford Smith

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 connection time from Philadelphia to Sydney?

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

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.

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.

$760 Cheap Flights from Philadelphia to Sydney in 2026

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5:30 pm - 8:50 pmPHL Philadelphia-SYD Sydney Kingsford Smith

36h 20m2 stops Dallas/Fort Worth Auckland Intl

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

25h 04m1 stop Los Angeles Los Angeles

$1,088Qantas Airways

Wed, Oct 28 - Thu, Nov 12

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

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

10:20 am - 10:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m2 stops Vancouver Intl Toronto Pearson Intl

$1,131Air Canada

Tue, Oct 20 - Sat, Oct 31

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

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

10:20 am - 3:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

44h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,134Air Canada

Tue, Oct 20 - Sat, Oct 31

1:24 pm - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 56m2 stops Chicago O'Hare Intl Vancouver Intl

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

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

$1,179Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

1:24 pm - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 56m2 stops Chicago O'Hare Intl Vancouver Intl

10:20 am - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

$1,187Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

2:14 pm - 10:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 06m2 stops Los Angeles Los Angeles Brisbane

2:05 pm - 7:48 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 43m1 stop Dallas/Fort Worth

$1,269Qantas Airways

Wed, Feb 17 - Wed, Feb 24

3:12 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 53m2 stops Dallas/Fort Worth Los Angeles Los Angeles

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

21h 09m1 stop Los Angeles Los Angeles

$1,450American Airlines

Mon, Sep 21 - Tue, Oct 6

4:04 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 01m2 stops Chicago O'Hare Intl Los Angeles Los Angeles

10:10 am - 6:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 40m2 stops Los Angeles Los Angeles Dallas/Fort Worth

$1,450American Airlines

Mon, Sep 21 - Tue, Oct 6

5:07 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 48m1 stop San Francisco

10:20 am - 5:28 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 08m1 stop San Francisco

$1,456United Airlines

Wed, Sep 23 - Wed, Sep 30

11:04 am - 7:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

29h 56m2 stops Chicago O'Hare Intl Los Angeles Los Angeles

10:20 am - 9:29 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 09m2 stops San Francisco Chicago O'Hare Intl

$1,456United Airlines

Wed, Sep 23 - Wed, Sep 30

Cheap last minute flights

Enter your travel dates to find the best prices.

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 27m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,215Air Canada

Tue, Sep 8 - Wed, Sep 16

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

$1,223Air Canada

Tue, Sep 8 - Wed, Sep 16

3:48 pm - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

49h 32m2 stops Denver Intl Vancouver Intl

9:20 am - 10:46 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 26m2 stops Vancouver Intl Toronto Pearson Intl

$1,273Air Canada

Fri, Sep 4 - Fri, Sep 11

3:48 pm - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

49h 32m2 stops Denver Intl Vancouver Intl

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

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

$1,277Air Canada

Fri, Sep 4 - Fri, Sep 11

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

43h 00m1 stop Doha Hamad Intl

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

37h 40m1 stop Doha Hamad Intl

$1,559Qatar Airways

Tue, Sep 8 - Wed, Sep 16

9:30 pm - 10:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

46h 30m2 stops Doha Hamad Intl Kuala Lumpur Intl

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

37h 40m1 stop Doha Hamad Intl

$1,652Qatar Airways

Tue, Sep 8 - Wed, Sep 16

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

43h 00m1 stop Doha Hamad Intl

7:00 pm - 2:30 pmSYD Sydney Kingsford Smith-PHL Philadelphia

33h 30m2 stops Brisbane Doha Hamad Intl

$1,653Qatar Airways

Fri, Sep 4 - Fri, Sep 11

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

43h 00m1 stop Doha Hamad Intl

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

37h 40m1 stop Doha Hamad Intl

$1,704Qatar Airways

Fri, Sep 4 - Fri, Sep 11

10:40 am - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

30h 25m2 stops Orlando Los Angeles Los Angeles

5:50 pm - 11:59 pmSYD Sydney Kingsford Smith-PHL Philadelphia

44h 09m2 stops Los Angeles Los Angeles Orlando

$1,940Multiple Airlines

Fri, Sep 4 - Sun, Sep 6

8:15 am - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 50m2 stops Dallas/Fort Worth Los Angeles Los Angeles

5:50 pm - 12:43 pmSYD Sydney Kingsford Smith-PHL Philadelphia

32h 53m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,981Multiple Airlines

Sat, Sep 5 - Mon, Sep 7

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Air Canada flights from Philadelphia to Sydney

Our best Air Canada deals on Philadelphia to Sydney flight tickets

Air Canada

Oct 20

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 31

SYD10:20 amSydney Kingsford Smith

27h 36m

2 stops

PHL10:56 pmPhiladelphia

$1,131

Air Canada

Oct 20

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 31

SYD10:20 amSydney Kingsford Smith

44h 24m

3 stops

PHL3:44 pmPhiladelphia

$1,134

Air Canada

Oct 20

PHL10:05 amPhiladelphia

31h 15m

3 stops

SYD8:20 amSydney Kingsford Smith

Oct 31

SYD10:20 amSydney Kingsford Smith

44h 24m

3 stops

PHL3:44 pmPhiladelphia

$1,142

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

$1,238

Qatar Airways

Nov 8

PHL8:45 pmPhiladelphia

42h 05m

1 stop

SYD6:50 amSydney Kingsford Smith

Nov 18

SYD3:50 pmSydney Kingsford Smith

39h 00m

1 stop

PHL2:50 pmPhiladelphia

$1,247

Qatar Airways

Nov 9

PHL8:45 pmPhiladelphia

42h 05m

1 stop

SYD6:50 amSydney Kingsford Smith

Nov 17

SYD3:50 pmSydney Kingsford Smith

39h 00m

1 stop

PHL2:50 pmPhiladelphia

$1,248

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/28

5:30 pm-8:50 pm

2 stops36h 20m

Sydney Kingsford Smith

Thu 11/12

11:10 am-8:14 pm

1 stop25h 04m

$1,088

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 10/20

10:05 am-8:20 am

2 stops31h 15m

Sydney Kingsford Smith

Sat 10/31

10:20 am-10:56 pm

2 stops27h 36m

$1,131

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 10/20

10:05 am-8:20 am

2 stops31h 15m

Sydney Kingsford Smith

Sat 10/31

10:20 am-3:44 pm

3 stops44h 24m

$1,134

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/14

1:24 pm-8:20 am

2 stops27h 56m

Sydney Kingsford Smith

Sun 10/18

10:20 am-9:32 pm

2 stops26h 12m

$1,179

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/14

1:24 pm-8:20 am

2 stops27h 56m

Sydney Kingsford Smith

Sun 10/18

10:20 am-2:47 pm

3 stops43h 27m

$1,187

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 2/17

2:14 pm-10:20 am

2 stops28h 06m

Sydney Kingsford Smith

Wed 2/24

2:05 pm-7:48 pm

1 stop21h 43m

$1,269

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 9/21

3:12 pm-7:05 am

2 stops25h 53m

Sydney Kingsford Smith

Tue 10/6

10:10 am-4:19 pm

1 stop21h 09m

$1,450

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 9/21

4:04 pm-7:05 am

2 stops25h 01m

Sydney Kingsford Smith

Tue 10/6

10:10 am-6:50 pm

2 stops23h 40m

$1,450

Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 9/23

5:07 pm-6:55 am

1 stop23h 48m

Sydney Kingsford Smith

Wed 9/30

10:20 am-5:28 pm

1 stop21h 08m

$1,456

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 9/23

11:04 am-7:00 am

2 stops29h 56m

Sydney Kingsford Smith

Wed 9/30

10:20 am-9:29 pm

2 stops25h 09m

$1,456

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 $1,255 to $1,554.
The lowest price recently found on this route was $1,088.

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 $1,049. 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 $1,445 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 $999 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	$760
Fastest flight time	22h 40m
Direct flights	None

The best one-way flight to Sydney from Philadelphia in the past 72 hours is $760. The best round-trip flight deal from Philadelphia to Sydney found on momondo in the last 72 hours is $1,088.

The fastest flight from Philadelphia to Sydney takes 22h 40m

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 40m, 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 15%, 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
Fiji Airways	PriceFrom $729	Free Cancellation	Rating 8.0 258 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $843	Free Cancellation	Rating 7.4 10,159 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,046	Free Cancellation	Rating 7.5 1,088 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.1 12,029 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,210	Free Cancellation	Rating 7.1 11,573 reviews	Search Air Canada 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 $760

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 10/14. 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

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

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