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 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.

$901 Cheap Flights from Sydney to Philadelphia in 2026

Find the cheapest flights from Sydney to Philadelphia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:55 am - 10:31 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m2 stops Auckland Intl Houston George Bush Intcntl

6:00 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

36h 35m2 stops San Francisco Auckland Intl

$1,409Air New Zealand

Tue, Sep 29 - Sun, Nov 8

11:55 am - 7:49 amSYD Sydney Kingsford Smith-PHL Philadelphia

34h 54m2 stops Auckland Intl San Francisco

8:00 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 35m2 stops Houston George Bush Intcntl Auckland Intl

$1,469Air New Zealand

Tue, Oct 20 - Tue, Oct 27

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

34h 00m2 stops Los Angeles Phoenix Sky Harbor Intl

4:46 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 09m1 stop Dallas/Fort Worth

$1,501American 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

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

42h 50m1 stop Dallas/Fort Worth

$1,508American 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

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

42h 50m1 stop Dallas/Fort Worth

$1,511American 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

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

42h 50m1 stop Dallas/Fort Worth

$1,512American Airlines

Thu, Nov 5 - Mon, Nov 9

10:10 am - 6:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 34m1 stop Los Angeles

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

23h 35m1 stop Los Angeles

$1,516American Airlines

Tue, Oct 6 - Tue, Oct 13

10:10 am - 6:35 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 25m2 stops Los Angeles Pittsburgh

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

23h 35m1 stop Los Angeles

$1,520American Airlines

Tue, Oct 6 - Tue, Oct 13

10:10 am - 5:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 40m2 stops Los Angeles Denver Intl

1:00 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

29h 00m1 stop Los Angeles

$1,524American Airlines

Tue, Oct 20 - Tue, Oct 27

9:55 am - 7:39 amSYD Sydney Kingsford Smith-PHL Philadelphia

37h 44m2 stops Auckland Intl San Francisco

6:00 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

36h 35m2 stops San Francisco Auckland Intl

$1,527Air New Zealand

Sun, Nov 15 - Sun, Nov 22

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 - 8:40 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 40m2 stops Toronto Pearson Intl Hong Kong Intl

$1,921Multiple Airlines

Tue, Sep 8 - Mon, Sep 14

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

37h 40m1 stop Doha Hamad Intl

6:36 pm - 5:10 pmPHL Philadelphia-SYD Sydney Kingsford Smith

32h 34m2 stops Boston Logan Intl Doha Hamad Intl

$1,966Qatar Airways

Tue, Sep 8 - Mon, Sep 14

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

$1,975Qatar Airways

Tue, Sep 8 - Mon, Sep 14

10:15 am - 5:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

45h 41m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

10:50 am - 11:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 55m2 stops Toronto Pearson Intl Hong Kong Intl

$2,075Multiple Airlines

Tue, Sep 8 - Wed, Sep 16

7:00 pm - 2:30 pmSYD Sydney Kingsford Smith-PHL Philadelphia

33h 30m2 stops Brisbane Doha Hamad Intl

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

29h 40m1 stop Doha Hamad Intl

$2,136Qatar Airways

Tue, Sep 8 - Wed, Sep 16

9:20 am - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

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

31h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$2,382Air Canada

Tue, Sep 8 - Wed, Sep 16

9:20 am - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

10:50 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

30h 30m2 stops Toronto Pearson Intl Vancouver Intl

$2,386Air Canada

Tue, Sep 8 - Mon, Sep 14

9:20 am - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m3 stops Vancouver Intl Toronto Pearson 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

$2,389Air Canada

Tue, Sep 8 - Mon, Sep 14

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JetBlue flights from Sydney to Philadelphia

Our best JetBlue deals on Sydney to Philadelphia flight tickets

JetBlue

Nov 5

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

Nov 9

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

$1,808

JetBlue

Nov 5

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

Nov 9

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

$1,809

JetBlue

Nov 5

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

Nov 9

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

$1,812

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

PHL4:46 pmPhiladelphia

22h 09m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,501

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

$1,508

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

$1,511

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 9/29

8:55 am-10:31 pm

2 stops27h 36m

Philadelphia

Sun 11/8

6:00 am-10:35 am

2 stops36h 35m

$1,409

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 10/20

11:55 am-7:49 am

2 stops34h 54m

Philadelphia

Tue 10/27

8:00 am-10:35 am

2 stops35h 35m

$1,469

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

4:46 pm-6:55 am

1 stop22h 09m

$1,501

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

$1,508

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

$1,511

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

$1,512

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 10/6

10:10 am-6:44 pm

1 stop23h 34m

Philadelphia

Tue 10/13

5:30 pm-8:05 am

1 stop23h 35m

$1,516

Quickest round-trip

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 10/6

10:10 am-6:35 pm

2 stops23h 25m

Philadelphia

Tue 10/13

5:30 pm-8:05 am

1 stop23h 35m

$1,520

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 10/20

10:10 am-5:50 pm

2 stops22h 40m

Philadelphia

Tue 10/27

1:00 pm-9:00 am

1 stop29h 00m

$1,524

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sun 11/15

9:55 am-7:39 am

2 stops37h 44m

Philadelphia

Sun 11/22

6:00 am-10:35 am

2 stops36h 35m

$1,527

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 $2,200 to $2,577.
The lowest price recently found on this route was $1,409.

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 65% 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 63% more expensive 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	$901
Fastest flight time	31h 45m
Direct flights	None

The best one-way flight to Philadelphia from Sydney in the past 72 hours is $901. The best round-trip flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,409.

The fastest flight from Sydney to Philadelphia takes 31h 45m

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 31h 45m.
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.