What airlines fly to Philadelphia?

Delta, Qantas Airways and United Airlines are the top three most popular airlines that fly to Philadelphia from Sydney according to our data. Delta is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 4 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

American Airlines and Cathay Pacific are the most popular carriers operating from Sydney Kingsford Smith to Philadelphia

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?

Prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport are refreshed on a daily basis.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia 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 license 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.

$641 Cheap Flights from Sydney to Philadelphia in 2026/27

Find the cheapest flights from Sydney to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:20 am - 2:42 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

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

32h 20m2 stops Toronto Pearson Intl Vancouver Intl

$995Air Canada

Thu, Mar 11 - Sun, Mar 21

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

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

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

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

$998Air Canada

Thu, Mar 18 - Fri, Jun 11

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

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

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

50h 00m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,005Air Canada

Wed, Dec 2 - Thu, Jan 14

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

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

9:15 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

$1,047Air Canada

Thu, Mar 18 - Fri, Jun 11

9:20 am - 2:36 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 16m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

9:15 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,091Air Canada

Sat, May 1 - Sat, May 15

9:20 am - 10:03 amSYD Sydney Kingsford Smith-PHL Philadelphia

38h 43m2 stops Vancouver Intl Toronto Pearson Intl

6:10 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 10m3 stops Chicago O'Hare Intl Toronto Pearson Intl Vancouver Intl

$1,126Air Canada

Sat, May 1 - Sat, May 15

11:20 am - 2:42 pmSYD Sydney Kingsford Smith-PHL Philadelphia

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

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

32h 20m2 stops Toronto Pearson Intl Vancouver Intl

$1,158Air Canada

Thu, Mar 11 - Sun, Mar 21

11:20 am - 5:09 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 49m1 stop Los Angeles

2:29 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 31m1 stop Los Angeles

$1,177American Airlines

Thu, Mar 11 - Sun, Mar 21

11:20 am - 5:09 pmSYD Sydney Kingsford Smith-PHL Philadelphia

20h 49m1 stop Los Angeles

5:43 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 22m1 stop Los Angeles

$1,178Qantas Airways

Thu, Mar 18 - Fri, Jun 11

11:50 am - 12:59 amSYD Sydney Kingsford Smith-PHL Philadelphia

29h 09m2 stops San Francisco Chicago O'Hare Intl

6:10 am - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

36h 10m1 stop San Francisco

$1,184United Airlines

Thu, Mar 11 - Sun, Mar 21

Cheap last minute flights

Enter your travel dates to find the best prices.

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

34h 00m2 stops Los Angeles Phoenix Sky Harbor Intl

8:05 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

42h 50m1 stop Dallas/Fort Worth

$1,499American Airlines

Thu, Nov 12 - Mon, Nov 16

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

34h 00m2 stops Los Angeles Phoenix Sky Harbor Intl

8:05 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

42h 50m1 stop Dallas/Fort Worth

$1,502American Airlines

Thu, Nov 12 - Mon, Nov 16

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

34h 00m2 stops Los Angeles Phoenix Sky Harbor Intl

1:30 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 25m1 stop Dallas/Fort Worth

$1,580American Airlines

Thu, Nov 12 - Mon, Nov 16

11:05 am - 7:06 amSYD Sydney Kingsford Smith-PHL Philadelphia

36h 01m2 stops Brisbane Los Angeles

10:40 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 15m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$1,588American Airlines

Thu, Nov 12 - Mon, Nov 16

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

25h 04m1 stop Los Angeles

3:55 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 05m1 stop Los Angeles

$2,240Qantas Airways

Thu, Nov 12 - Mon, Nov 16

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

25h 04m1 stop Los Angeles

3:55 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 05m1 stop Los Angeles

$2,244Qantas Airways

Thu, Nov 12 - Mon, Nov 16

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

25h 04m1 stop Los Angeles

3:55 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 05m1 stop Los Angeles

$2,258Qantas Airways

Thu, Nov 12 - Mon, Nov 16

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

27h 49m2 stops Los Angeles Phoenix Sky Harbor Intl

5:22 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 38m2 stops Phoenix Sky Harbor Intl Los Angeles

$2,302American Airlines

Thu, Nov 12 - Mon, Nov 16

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

27h 49m2 stops Los Angeles Phoenix Sky Harbor Intl

5:22 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 38m2 stops Phoenix Sky Harbor Intl Los Angeles

$2,320American Airlines

Thu, Nov 12 - Mon, Nov 16

11:20 am - 6:51 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 31m2 stops Los Angeles Washington, D.C. Dulles Intl

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

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

$2,509United Airlines

Thu, Nov 12 - Mon, Nov 16

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Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets

Qantas Airways

Nov 18

SYD11:10 amSydney Kingsford Smith

25h 04m

1 stop

PHL8:14 pmPhiladelphia

Dec 2

PHL1:50 pmPhiladelphia

27h 10m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,174

Qantas Airways

Mar 18

SYD11:20 amSydney Kingsford Smith

20h 49m

1 stop

PHL5:09 pmPhiladelphia

Jun 11

PHL5:43 pmPhiladelphia

23h 22m

1 stop

SYD7:05 amSydney Kingsford Smith

$1,178

Qantas Airways

May 1

SYD9:10 amSydney Kingsford Smith

23h 44m

1 stop

PHL6:54 pmPhiladelphia

May 15

PHL5:35 pmPhiladelphia

23h 30m

1 stop

SYD7:05 amSydney Kingsford Smith

$1,277

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets

United Airlines

Mar 11

SYD11:50 amSydney Kingsford Smith

29h 09m

2 stops

PHL12:59 amPhiladelphia

Mar 21

PHL6:10 amPhiladelphia

36h 10m

1 stop

SYD9:20 amSydney Kingsford Smith

$1,184

United Airlines

Mar 18

SYD9:20 amSydney Kingsford Smith

24h 18m

1 stop

PHL6:38 pmPhiladelphia

Jun 11

PHL10:15 amPhiladelphia

30h 45m

2 stops

SYD7:00 amSydney Kingsford Smith

$1,230

United Airlines

Dec 23

SYD9:15 amSydney Kingsford Smith

25h 43m

1 stop

PHL6:58 pmPhiladelphia

Dec 30

PHL6:00 amPhiladelphia

35h 20m

1 stop

SYD9:20 amSydney Kingsford Smith

$1,391

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/11

11:20 am-2:42 pm

2 stops43h 22m

Philadelphia

Sun 3/21

9:15 am-8:35 am

2 stops32h 20m

$995

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/18

10:20 am-2:42 pm

2 stops43h 22m

Philadelphia

Fri 6/11

3:20 pm-7:20 am

2 stops26h 00m

$998

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 12/2

11:20 am-2:39 pm

2 stops43h 19m

Philadelphia

Thu 1/14

3:35 pm-9:35 am

2 stops50h 00m

$1,005

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/18

10:20 am-2:42 pm

2 stops43h 22m

Philadelphia

Fri 6/11

9:15 am-7:20 am

3 stops32h 05m

$1,047

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sat 5/1

9:20 am-2:36 pm

2 stops43h 16m

Philadelphia

Sat 5/15

9:15 am-7:20 am

2 stops32h 05m

$1,091

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sat 5/1

9:20 am-10:03 am

2 stops38h 43m

Philadelphia

Sat 5/15

6:10 am-7:20 am

3 stops35h 10m

$1,126

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/11

11:20 am-2:42 pm

3 stops43h 22m

Philadelphia

Sun 3/21

9:15 am-8:35 am

2 stops32h 20m

$1,158

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/11

11:20 am-5:09 pm

1 stop21h 49m

Philadelphia

Sun 3/21

2:29 pm-9:00 am

1 stop27h 31m

$1,177

Quickest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/18

11:20 am-5:09 pm

1 stop20h 49m

Philadelphia

Fri 6/11

5:43 pm-7:05 am

1 stop23h 22m

$1,178

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 3/11

11:50 am-12:59 am

2 stops29h 09m

Philadelphia

Sun 3/21

6:10 am-9:20 am

1 stop36h 10m

$1,184

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 Sydney to Philadelphia

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 Sydney and Philadelphia?

Prices are currently low for flights on this route.

Typical prices usually range from $1,152 to $1,292.
The lowest price recently found on this route was $949.

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Sydney is in July. Flight prices, which tend to average around $1,045, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Philadelphia, with average flight prices from Sydney averaging around $1,119.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 29% on your flight if you consider stops on a Sydney to Philadelphia flight.

How have Sydney to Philadelphia flight prices changed over time?

As of November 2026, prices for Sydney to Philadelphia flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Sydney to Philadelphia

Best Price Found	$641
Fastest flight time	25h 04m
Direct flights	None

The best one-way flight to Philadelphia from Sydney in the past 72 hours is $641. The best round-trip flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $995.

The fastest flight from Sydney to Philadelphia takes 25h 04m

There are no direct flights from Sydney to Philadelphia. There are no popular flight routes from Sydney to Philadelphia.

Search flight deals

Frequently asked questions about flying from Sydney to Philadelphia

How far is Sydney Kingsford Smith to Philadelphia by plane?
A flight from Sydney Kingsford Smith to Philadelphia will travel around 9863.8 mi. In terms of flight time, this usually takes a little over 25h 04m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?
Prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport are refreshed on a daily basis.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia 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 license 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.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Philadelphia. momondo saves you time and could save you money on your trip.

Can I find flights from Sydney to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sydney to Philadelphia?

Once you have performed a search for Sydney to Philadelphia 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 Sydney to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Sydney and alert you when they change.