What airlines fly to Philadelphia?

Delta, United Airlines and Qantas Airways 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 33% 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.

$595 Cheap Flights from Sydney to Philadelphia in 2026

Q: 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 $1,439 to $1,145. The lowest price recently found on this route was $1,414.

1 adult

0 bags

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.

9:15 am - 10:50 pm

SYD

PHL

27h 35m

2 stops

12:07 pm - 6:50 am

PHL

SYD

28h 43m

2 stops

$1,414Delta

Wed, May 6 - Wed, May 27

9:15 am - 7:27 pm

SYD

PHL

24h 12m

2 stops

10:32 am - 6:50 am

PHL

SYD

30h 18m

2 stops

$1,415Delta

Wed, May 27 - Wed, Jun 3

5:50 pm - 12:40 am

SYD

PHL

44h 50m

2 stops

7:50 pm - 7:30 am

PHL

SYD

45h 40m

1 stop

$1,424Multiple Airlines

Wed, May 27 - Wed, Jun 3

9:15 am - 11:59 pm

SYD

PHL

28h 44m

2 stops

2:33 pm - 6:50 am

PHL

SYD

26h 17m

2 stops

$1,662Delta

Thu, Jun 11 - Sun, Jun 21

9:15 am - 8:44 am

SYD

PHL

37h 29m

2 stops

2:33 pm - 6:50 am

PHL

SYD

26h 17m

2 stops

$1,665Delta

Thu, Jun 11 - Sun, Jun 21

10:20 am - 1:29 am

SYD

PHL

29h 09m

1 stop

6:23 pm - 6:55 am

PHL

SYD

22h 32m

1 stop

$1,754United Airlines

Thu, Jun 11 - Sun, Jun 21

10:20 am - 1:29 am

SYD

PHL

29h 09m

1 stop

6:23 pm - 6:55 am

PHL

SYD

22h 32m

1 stop

$1,756United Airlines

Thu, Jun 11 - Sun, Jun 21

10:20 am - 5:17 pm

SYD

PHL

20h 57m

1 stop

10:00 am - 7:00 am

PHL

SYD

31h 00m

2 stops

$1,758United Airlines

Thu, Jun 11 - Sun, Jun 21

9:30 am - 6:55 pm

SYD

PHL

23h 25m

2 stops

6:23 pm - 6:55 am

PHL

SYD

22h 32m

1 stop

$1,761United Airlines

Thu, Jun 11 - Sun, Jun 21

9:10 am - 6:35 pm

SYD

PHL

23h 25m

1 stop

5:40 pm - 7:05 am

PHL

SYD

23h 25m

1 stop

$1,876Qantas Airways

Thu, Jun 18 - Sun, Jun 28

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United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets

United Airlines

Jun 11

SYD10:20 amSydney Kingsford Smith

29h 09m

1 stop

PHL1:29 amPhiladelphia

Jun 21

PHL6:23 pmPhiladelphia

22h 32m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,756

United Airlines

Jun 11

SYD9:30 amSydney Kingsford Smith

23h 25m

2 stops

PHL6:55 pmPhiladelphia

Jun 21

PHL6:23 pmPhiladelphia

22h 32m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,761

United Airlines

Apr 18

SYD9:30 amSydney Kingsford Smith

26h 55m

2 stops

PHL10:25 pmPhiladelphia

May 9

PHL1:26 pmPhiladelphia

51h 34m

3 stops

SYD7:00 amSydney Kingsford Smith

$2,468

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

American Airlines

Jun 18

SYD9:10 amSydney Kingsford Smith

23h 44m

2 stops

PHL6:54 pmPhiladelphia

Jun 28

PHL5:35 pmPhiladelphia

23h 30m

2 stops

SYD7:05 amSydney Kingsford Smith

$1,906

American Airlines

Jun 18

SYD9:10 amSydney Kingsford Smith

23h 44m

2 stops

PHL6:54 pmPhiladelphia

Jun 28

PHL5:40 pmPhiladelphia

25h 40m

2 stops

SYD9:20 amSydney Kingsford Smith

$1,941

American Airlines

Jun 18

SYD9:10 amSydney Kingsford Smith

21h 17m

1 stop

PHL4:27 pmPhiladelphia

Jun 28

PHL5:40 pmPhiladelphia

25h 40m

2 stops

SYD9:20 amSydney Kingsford Smith

$1,950

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 5/6

9:15 am-10:50 pm

2 stops27h 35m

Philadelphia

Wed 5/27

12:07 pm-6:50 am

2 stops28h 43m

$1,414

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 5/27

9:15 am-7:27 pm

2 stops24h 12m

Philadelphia

Wed 6/3

10:32 am-6:50 am

2 stops30h 18m

$1,415

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 5/27

5:50 pm-12:40 am

2 stops44h 50m

Philadelphia

Wed 6/3

7:50 pm-7:30 am

1 stop45h 40m

$1,424

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/11

9:15 am-11:59 pm

2 stops28h 44m

Philadelphia

Sun 6/21

2:33 pm-6:50 am

2 stops26h 17m

$1,662

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/11

9:15 am-8:44 am

2 stops37h 29m

Philadelphia

Sun 6/21

2:33 pm-6:50 am

2 stops26h 17m

$1,665

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/11

10:20 am-1:29 am

1 stop29h 09m

Philadelphia

Sun 6/21

6:23 pm-6:55 am

1 stop22h 32m

$1,754

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/11

10:20 am-1:29 am

1 stop29h 09m

Philadelphia

Sun 6/21

6:23 pm-6:55 am

1 stop22h 32m

$1,756

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/11

10:20 am-5:17 pm

1 stop20h 57m

Philadelphia

Sun 6/21

10:00 am-7:00 am

2 stops31h 00m

$1,758

Quickest round-trip

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/11

9:30 am-6:55 pm

2 stops23h 25m

Philadelphia

Sun 6/21

6:23 pm-6:55 am

1 stop22h 32m

$1,761

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/18

9:10 am-6:35 pm

1 stop23h 25m

Philadelphia

Sun 6/28

5:40 pm-7:05 am

1 stop23h 25m

$1,876

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?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Sydney is in October. Flight prices, which tend to average around $1,135, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Philadelphia, with average flight prices from Sydney averaging around $1,152.

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $1,463 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Sydney for as low as $1,153 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 22% 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 April 2026, prices for Sydney to Philadelphia flights are approximately 10% 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

Fastest flight time	23h 25m
Direct flights	None

The fastest flight from Sydney to Philadelphia takes 23h 25m

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 23h 25m.
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.

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

North Wildwood

Dover

Lewes

Stone Harbor

New Castle

Essington

Vineland

Pottstown

Somers Point

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.