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

Delta and Qantas Airways are the most popular carriers operating from Sydney Kingsford Smith to Philadelphia

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 37% 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.

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.

$835 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.

9:40 pm - 5:43 pmSYD Sydney Kingsford Smith-PHL Philadelphia

36h 03m2 stops Honolulu Seattle/Tacoma Intl

6:11 pm - 7:45 pmPHL Philadelphia-SYD Sydney Kingsford Smith

57h 34m2 stops Seattle/Tacoma Intl Honolulu

$1,117Multiple Airlines

Thu, Nov 26 - Sat, Dec 5

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

25h 04m1 stop Los Angeles

7:37 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

45h 23m2 stops Miami Los Angeles

$1,154American Airlines

Thu, Nov 5 - Mon, Nov 9

11:10 am - 7:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

24h 40m2 stops Los Angeles Phoenix Sky Harbor Intl

7:37 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

45h 23m2 stops Miami Los Angeles

$1,161American Airlines

Thu, Nov 5 - Mon, Nov 9

11:10 am - 5:15 amSYD Sydney Kingsford Smith-PHL Philadelphia

34h 05m2 stops Los Angeles Phoenix Sky Harbor Intl

7:00 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 55m1 stop Dallas/Fort Worth

$1,177American Airlines

Thu, Nov 5 - Mon, Nov 9

11:10 am - 9:05 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 55m2 stops Los Angeles Dallas/Fort Worth

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

25h 05m1 stop Los Angeles

$1,185Qantas Airways

Tue, Dec 1 - Mon, Dec 7

11:10 am - 5:55 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 45m1 stop Los Angeles

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

30h 30m1 stop Los Angeles

$1,231Qantas Airways

Thu, Nov 26 - Sat, Dec 5

11:10 am - 5:55 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 45m1 stop Los Angeles

12:34 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 26m2 stops Dallas/Fort Worth Los Angeles

$1,237Qantas Airways

Thu, Nov 26 - Sat, Dec 5

5:50 pm - 4:24 pmSYD Sydney Kingsford Smith-PHL Philadelphia

38h 34m2 stops Auckland Intl Dallas/Fort Worth

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

25h 05m1 stop Los Angeles

$1,238Qantas Airways

Mon, Nov 30 - Mon, Dec 7

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

28h 40m1 stop Los Angeles

6:40 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

43h 45m1 stop Los Angeles

$1,247American Airlines

Thu, Nov 5 - Mon, Nov 9

11:10 am - 7:06 amSYD Sydney Kingsford Smith-PHL Philadelphia

35h 56m1 stop Los Angeles

6:39 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 21m1 stop Los Angeles

$1,251American Airlines

Sat, Nov 14 - Sat, Nov 21

Cheap last minute flights

Enter your travel dates to find the best prices.

9:40 pm - 5:38 pmSYD Sydney Kingsford Smith-PHL Philadelphia

34h 58m2 stops Honolulu Seattle/Tacoma Intl

7:02 am - 7:45 pmPHL Philadelphia-SYD Sydney Kingsford Smith

68h 43m2 stops Seattle/Tacoma Intl Honolulu

$1,135Multiple Airlines

Tue, Oct 27 - Mon, Nov 2

9:40 pm - 5:41 amSYD Sydney Kingsford Smith-PHL Philadelphia

47h 01m2 stops Honolulu Seattle/Tacoma Intl

7:02 am - 7:45 pmPHL Philadelphia-SYD Sydney Kingsford Smith

68h 43m2 stops Seattle/Tacoma Intl Honolulu

$1,185Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

11:10 am - 7:29 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 19m2 stops Los Angeles Las Vegas Harry Reid Intl

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

23h 38m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,385American Airlines

Mon, Oct 26 - Mon, Nov 2

10:10 am - 11:17 pmSYD Sydney Kingsford Smith-PHL Philadelphia

28h 07m2 stops Los Angeles Phoenix Sky Harbor Intl

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

25h 05m1 stop Los Angeles

$1,434American Airlines

Sat, Oct 24 - Mon, Nov 2

1:05 pm - 8:51 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 46m1 stop Dallas/Fort Worth

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

42h 50m1 stop Dallas/Fort Worth

$1,779American Airlines

Tue, Oct 27 - Mon, Nov 2

10:20 am - 2:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

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

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

$2,400Air Canada

Tue, Oct 27 - Mon, Nov 2

10:20 am - 4:21 pmSYD Sydney Kingsford Smith-PHL Philadelphia

45h 01m2 stops Vancouver Intl Toronto Pearson Intl

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

50h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

$2,410Air Canada

Mon, Oct 26 - Mon, Nov 2

10:20 am - 12:07 amSYD Sydney Kingsford Smith-PHL Philadelphia

28h 47m3 stops Vancouver Intl Houston George Bush Intcntl Orlando

7:50 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 45m3 stops Fort Lauderdale Houston George Bush Intcntl Auckland Intl

$2,588Multiple Airlines

Tue, Oct 27 - Mon, Nov 2

11:10 am - 10:53 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 43m2 stops Los Angeles Dallas/Fort Worth

6:40 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

43h 45m1 stop Los Angeles

$3,309American Airlines

Tue, Oct 27 - Mon, Nov 2

9:25 pm - 8:24 amSYD Sydney Kingsford Smith-PHL Philadelphia

25h 59m1 stop San Francisco

12:34 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 51m2 stops Dallas/Fort Worth Los Angeles

$3,564American Airlines

Fri, Oct 23 - Sun, Nov 8

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American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

American Airlines

Nov 5

SYD11:10 amSydney Kingsford Smith

25h 04m

1 stop

PHL8:14 pmPhiladelphia

Nov 9

PHL7:37 pmPhiladelphia

45h 23m

2 stops

SYD9:00 amSydney Kingsford Smith

$1,154

American Airlines

Nov 5

SYD11:10 amSydney Kingsford Smith

24h 40m

2 stops

PHL7:50 pmPhiladelphia

Nov 9

PHL7:37 pmPhiladelphia

45h 23m

2 stops

SYD9:00 amSydney Kingsford Smith

$1,161

American Airlines

Nov 5

SYD11:10 amSydney Kingsford Smith

34h 05m

2 stops

PHL5:15 amPhiladelphia

Nov 9

PHL7:00 amPhiladelphia

31h 55m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,177

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets

Qantas Airways

Dec 1

SYD11:10 amSydney Kingsford Smith

25h 55m

2 stops

PHL9:05 pmPhiladelphia

Dec 7

PHL3:55 pmPhiladelphia

25h 05m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,185

Qantas Airways

Nov 26

SYD11:10 amSydney Kingsford Smith

22h 45m

1 stop

PHL5:55 pmPhiladelphia

Dec 5

PHL10:30 amPhiladelphia

30h 30m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,231

Qantas Airways

Nov 26

SYD11:10 amSydney Kingsford Smith

22h 45m

1 stop

PHL5:55 pmPhiladelphia

Dec 5

PHL12:34 pmPhiladelphia

28h 26m

2 stops

SYD9:00 amSydney Kingsford Smith

$1,237

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/26

9:40 pm-5:43 pm

2 stops36h 03m

Philadelphia

Sat 12/5

6:11 pm-7:45 pm

2 stops57h 34m

$1,117

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-8:14 pm

1 stop25h 04m

Philadelphia

Mon 11/9

7:37 pm-9:00 am

2 stops45h 23m

$1,154

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-7:50 pm

2 stops24h 40m

Philadelphia

Mon 11/9

7:37 pm-9:00 am

2 stops45h 23m

$1,161

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-5:15 am

2 stops34h 05m

Philadelphia

Mon 11/9

7:00 am-6:55 am

1 stop31h 55m

$1,177

Quickest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 12/1

11:10 am-9:05 pm

2 stops25h 55m

Philadelphia

Mon 12/7

3:55 pm-9:00 am

1 stop25h 05m

$1,185

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/26

11:10 am-5:55 pm

1 stop22h 45m

Philadelphia

Sat 12/5

10:30 am-9:00 am

1 stop30h 30m

$1,231

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/26

11:10 am-5:55 pm

1 stop22h 45m

Philadelphia

Sat 12/5

12:34 pm-9:00 am

2 stops28h 26m

$1,237

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 11/30

5:50 pm-4:24 pm

2 stops38h 34m

Philadelphia

Mon 12/7

3:55 pm-9:00 am

1 stop25h 05m

$1,238

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-11:50 pm

1 stop28h 40m

Philadelphia

Mon 11/9

6:40 pm-6:25 am

1 stop43h 45m

$1,247

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sat 11/14

11:10 am-7:06 am

1 stop35h 56m

Philadelphia

Sat 11/21

6:39 pm-9:00 am

1 stop22h 21m

$1,251

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 typical for flights on this route.

Typical prices usually range from $813 to $1,368.
The lowest price recently found on this route was $1,117.

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 October 2026, prices for Sydney to Philadelphia flights are approximately 3% 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	$835
Fastest flight time	25h 04m
Direct flights	None

The best one-way flight to Philadelphia from Sydney in the past 72 hours is $835. The best round-trip flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,117.

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.