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

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.

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.

$564 Cheap Flights from Sydney to Philadelphia in 2026

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.

2:15 pm - 7:18 amSYD Sydney Kingsford Smith-PHL Philadelphia

32h 03m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

8:30 am - 12:35 pmPHL Philadelphia-SYD Sydney Kingsford Smith

36h 05m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

$1,286Multiple Airlines

Thu, Oct 22 - Wed, Nov 4

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

$1,332American Airlines

Thu, Nov 5 - Mon, Nov 9

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

34h 00m2 stops Los Angeles Phoenix Sky Harbor Intl

5:00 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

33h 55m1 stop Dallas/Fort Worth

$1,333American Airlines

Thu, Nov 5 - Mon, Nov 9

10:10 am - 7:16 amSYD Sydney Kingsford Smith-PHL Philadelphia

36h 06m1 stop Los Angeles

8:24 am - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

30h 01m2 stops Dallas/Fort Worth San Francisco

$1,354American Airlines

Thu, Oct 22 - Wed, Nov 4

9:55 am - 10:57 pmSYD Sydney Kingsford Smith-PHL Philadelphia

28h 02m2 stops Auckland Intl Houston George Bush Intcntl

9:10 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

33h 25m2 stops San Francisco Auckland Intl

$1,463Air New Zealand

Thu, Oct 29 - Thu, Nov 26

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

34h 00m2 stops Los Angeles Phoenix Sky Harbor Intl

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

31h 55m1 stop Dallas/Fort Worth

$1,503American Airlines

Thu, Nov 5 - Mon, Nov 9

10:30 am - 1:16 amSYD Sydney Kingsford Smith-PHL Philadelphia

29h 46m2 stops Los Angeles Denver Intl

5:50 am - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 15m2 stops Denver Intl Los Angeles

$1,505Multiple Airlines

Sat, Oct 17 - Sat, Oct 24

10:10 am - 12:17 amSYD Sydney Kingsford Smith-PHL Philadelphia

29h 07m2 stops Los Angeles Charlotte Douglas

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

23h 38m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,505American Airlines

Thu, Oct 22 - Wed, Nov 4

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

21h 09m1 stop Los Angeles

8:50 am - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 10m1 stop Los Angeles

$1,505American Airlines

Thu, Oct 22 - Wed, Nov 4

11:15 am - 5:49 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 34m1 stop Los Angeles

3:35 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 20m1 stop Dallas/Fort Worth

$2,025Qantas Airways

Thu, Nov 12 - Fri, Dec 25

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 pm - 3:45 pmSYD Sydney Kingsford Smith-PHL Philadelphia

33h 00m2 stops Honolulu Portland

7:00 am - 11:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

38h 45m2 stops Toronto Pearson Intl Hong Kong Intl

$1,997Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

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

37h 40m1 stop Doha Hamad Intl

9:30 pm - 5:10 pmPHL Philadelphia-SYD Sydney Kingsford Smith

29h 40m1 stop Doha Hamad Intl

$2,176Qatar Airways

Thu, Sep 3 - Tue, Sep 8

9:15 am - 11:42 pmSYD Sydney Kingsford Smith-PHL Philadelphia

28h 27m2 stops Los Angeles Atlanta Hartsfield-Jackson

6:20 pm - 7:50 amPHL Philadelphia-SYD Sydney Kingsford Smith

46h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

$2,198Delta

Sat, Sep 5 - Sat, Oct 3

9:10 am - 6:34 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 24m1 stop Los Angeles

5:30 pm - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles

$2,245Qantas Airways

Sat, Sep 5 - Sat, Oct 3

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

37h 40m1 stop Doha Hamad Intl

9:30 pm - 7:40 amPHL Philadelphia-SYD Sydney Kingsford Smith

44h 10m2 stops Doha Hamad Intl Brisbane

$2,286Qatar Airways

Thu, Sep 3 - Tue, Sep 8

6:25 am - 6:34 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 09m2 stops Melbourne Los Angeles

5:30 pm - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles

$2,289Qantas Airways

Sat, Sep 5 - Sat, Oct 3

9:20 am - 9:34 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 14m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

10:05 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

$2,369Air Canada

Thu, Sep 3 - Tue, Sep 8

9:20 am - 9:34 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 14m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

10:05 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

$2,489Air Canada

Sat, Sep 5 - Sat, Oct 3

9:20 am - 9:34 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 14m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

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

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

$2,531Air Canada

Sat, Sep 5 - Sat, Oct 3

6:25 am - 8:22 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 57m3 stops Melbourne Los Angeles Chicago O'Hare Intl

12:42 pm - 7:30 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 48m3 stops Chicago O'Hare Intl Dallas/Fort Worth Los Angeles

$4,658Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

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Qatar Airways flights from Sydney to Philadelphia

Our best Qatar Airways deals on Sydney to Philadelphia flight tickets

Qatar Airways

Oct 29

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL3:50 pmPhiladelphia

Nov 26

PHL8:45 pmPhiladelphia

42h 05m

1 stop

SYD6:50 amSydney Kingsford Smith

$1,769

Qatar Airways

Oct 8

SYD3:50 pmSydney Kingsford Smith

37h 40m

1 stop

PHL2:30 pmPhiladelphia

Oct 12

PHL7:04 pmPhiladelphia

32h 06m

2 stops

SYD6:10 pmSydney Kingsford Smith

$1,810

Qatar Airways

Oct 29

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL3:50 pmPhiladelphia

Nov 26

PHL8:45 pmPhiladelphia

43h 55m

2 stops

SYD8:40 amSydney Kingsford Smith

$1,899

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

34h 00m

2 stops

PHL5:10 amPhiladelphia

Nov 9

PHL8:05 pmPhiladelphia

42h 50m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,332

American Airlines

Nov 5

SYD11:10 amSydney Kingsford Smith

34h 00m

2 stops

PHL5:10 amPhiladelphia

Nov 9

PHL5:00 amPhiladelphia

33h 55m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,333

American Airlines

Nov 5

SYD11:10 amSydney Kingsford Smith

34h 00m

2 stops

PHL5:10 amPhiladelphia

Nov 9

PHL7:00 amPhiladelphia

31h 55m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,503

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/22

2:15 pm-7:18 am

3 stops32h 03m

Philadelphia

Wed 11/4

8:30 am-12:35 pm

3 stops36h 05m

$1,286

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-5:10 am

2 stops34h 00m

Philadelphia

Mon 11/9

8:05 pm-6:55 am

1 stop42h 50m

$1,332

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-5:10 am

2 stops34h 00m

Philadelphia

Mon 11/9

5:00 am-6:55 am

1 stop33h 55m

$1,333

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/22

10:10 am-7:16 am

1 stop36h 06m

Philadelphia

Wed 11/4

8:24 am-6:25 am

2 stops30h 01m

$1,354

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/29

9:55 am-10:57 pm

2 stops28h 02m

Philadelphia

Thu 11/26

9:10 am-10:35 am

2 stops33h 25m

$1,463

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/5

11:10 am-5:10 am

2 stops34h 00m

Philadelphia

Mon 11/9

7:00 am-6:55 am

1 stop31h 55m

$1,503

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sat 10/17

10:30 am-1:16 am

2 stops29h 46m

Philadelphia

Sat 10/24

5:50 am-8:05 am

2 stops35h 15m

$1,505

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/22

10:10 am-12:17 am

2 stops29h 07m

Philadelphia

Wed 11/4

5:22 pm-9:00 am

2 stops23h 38m

$1,505

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/22

10:10 am-4:19 pm

1 stop21h 09m

Philadelphia

Wed 11/4

8:50 am-9:00 am

1 stop32h 10m

$1,505

Quickest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 11/12

11:15 am-5:49 pm

1 stop22h 34m

Philadelphia

Fri 12/25

3:35 pm-6:55 am

1 stop23h 20m

$2,025

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 $1,218 to $2,501.
The lowest price recently found on this route was $1,286.

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 75% 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 September 2026, prices for Sydney to Philadelphia flights are approximately 35% 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	$564
Fastest flight time	22h 39m
Direct flights	None

The best one-way flight to Philadelphia from Sydney in the past 72 hours is $564. The best round-trip flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,286.

The fastest flight from Sydney to Philadelphia takes 22h 39m

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 22h 39m.
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.