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.

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

American Airlines and Delta 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.

$608 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.

2:05 pm - 10:55 pmSYD Sydney Kingsford Smith-PHL Philadelphia

24h 50m1 stop Dallas/Fort Worth

7:00 am - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 00m1 stop Los Angeles

$1,216Qantas Airways

Sun, Nov 8 - Sun, Nov 15

2:05 pm - 7:11 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 06m1 stop Dallas/Fort Worth

6:35 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 25m1 stop Los Angeles

$1,382American Airlines

Wed, Nov 25 - Wed, Dec 2

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

28h 40m1 stop Los Angeles

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

22h 20m1 stop Los Angeles

$1,387American Airlines

Tue, Nov 10 - Tue, Nov 17

11:50 am - 6:51 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 01m2 stops San Francisco Washington, D.C. Dulles Intl

1:20 pm - 6:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 00m2 stops Chicago O'Hare Intl San Francisco

$1,388United Airlines

Tue, Nov 24 - Sun, Dec 6

11:50 am - 7:31 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 41m2 stops San Francisco Denver Intl

6:00 am - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 20m1 stop San Francisco

$1,390United Airlines

Thu, Nov 19 - Sun, Nov 29

10:40 am - 6:19 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 39m2 stops Los Angeles Minneapolis St Paul

5:35 am - 8:30 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 55m2 stops Minneapolis St Paul Los Angeles

$1,391Delta

Tue, Nov 10 - Tue, Nov 17

11:50 am - 5:21 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 31m1 stop San Francisco

6:14 pm - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 06m1 stop San Francisco

$1,393United Airlines

Mon, Dec 7 - Mon, Jan 18

11:10 am - 6:38 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 28m2 stops Los Angeles Charlotte Douglas

4:23 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

24h 37m2 stops Columbus Los Angeles

$1,394American Airlines

Mon, Nov 2 - Wed, Nov 25

11:50 am - 5:21 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 31m1 stop San Francisco

10:25 am - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

30h 55m2 stops Washington, D.C. Dulles Intl San Francisco

$1,398United Airlines

Mon, Dec 7 - Wed, Jan 13

9:15 am - 11:36 amSYD Sydney Kingsford Smith-PHL Philadelphia

42h 21m1 stop Houston George Bush Intcntl

6:14 pm - 6:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

44h 06m1 stop San Francisco

$1,418United Airlines

Mon, Dec 7 - Sun, Jan 17

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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 8

SYD2:05 pmSydney Kingsford Smith

24h 50m

1 stop

PHL10:55 pmPhiladelphia

Nov 15

PHL7:00 amPhiladelphia

34h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,216

Qantas Airways

Oct 19

SYD10:10 amSydney Kingsford Smith

21h 09m

1 stop

PHL4:19 pmPhiladelphia

Oct 20

PHL5:30 pmPhiladelphia

23h 00m

1 stop

SYD7:30 amSydney Kingsford Smith

$2,206

Qantas Airways

Oct 19

SYD6:25 amSydney Kingsford Smith

24h 54m

2 stops

PHL4:19 pmPhiladelphia

Oct 20

PHL5:39 pmPhiladelphia

22h 16m

1 stop

SYD6:55 amSydney Kingsford Smith

$2,383

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

American Airlines

Nov 25

SYD2:05 pmSydney Kingsford Smith

21h 06m

1 stop

PHL7:11 pmPhiladelphia

Dec 2

PHL6:35 pmPhiladelphia

22h 25m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,382

American Airlines

Nov 10

SYD11:10 amSydney Kingsford Smith

28h 40m

1 stop

PHL11:50 pmPhiladelphia

Nov 17

PHL6:40 pmPhiladelphia

22h 20m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,387

American Airlines

Nov 2

SYD11:10 amSydney Kingsford Smith

23h 28m

2 stops

PHL6:38 pmPhiladelphia

Nov 25

PHL4:23 pmPhiladelphia

24h 37m

2 stops

SYD9:00 amSydney Kingsford Smith

$1,394

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sun 11/8

2:05 pm-10:55 pm

1 stop24h 50m

Philadelphia

Sun 11/15

7:00 am-9:00 am

1 stop34h 00m

$1,216

Quickest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 11/25

2:05 pm-7:11 pm

1 stop21h 06m

Philadelphia

Wed 12/2

6:35 pm-9:00 am

1 stop22h 25m

$1,382

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 11/10

11:10 am-11:50 pm

1 stop28h 40m

Philadelphia

Tue 11/17

6:40 pm-9:00 am

1 stop22h 20m

$1,387

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 11/24

11:50 am-6:51 pm

2 stops23h 01m

Philadelphia

Sun 12/6

1:20 pm-6:20 am

2 stops25h 00m

$1,388

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/19

11:50 am-7:31 pm

2 stops23h 41m

Philadelphia

Sun 11/29

6:00 am-9:20 am

1 stop35h 20m

$1,390

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 11/10

10:40 am-6:19 pm

2 stops23h 39m

Philadelphia

Tue 11/17

5:35 am-8:30 am

2 stops34h 55m

$1,391

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 12/7

11:50 am-5:21 pm

1 stop21h 31m

Philadelphia

Mon 1/18

6:14 pm-9:20 am

1 stop23h 06m

$1,393

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 11/2

11:10 am-6:38 pm

2 stops23h 28m

Philadelphia

Wed 11/25

4:23 pm-9:00 am

2 stops24h 37m

$1,394

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 12/7

11:50 am-5:21 pm

1 stop21h 31m

Philadelphia

Wed 1/13

10:25 am-9:20 am

2 stops30h 55m

$1,398

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 12/7

9:15 am-11:36 am

1 stop42h 21m

Philadelphia

Sun 1/17

6:14 pm-6:20 am

1 stop44h 06m

$1,418

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 $1,185 to $1,405.
The lowest price recently found on this route was $1,216.

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 2% 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	$608
Fastest flight time	21h 48m
Direct flights	None

The best one-way flight to Philadelphia from Sydney in the past 72 hours is $608. The best round-trip flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,216.

The fastest flight from Sydney to Philadelphia takes 21h 48m

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 21h 48m.
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.