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Cheap flights from Sydney to Philadelphia from $845

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
14:05 - 19:11SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 06m1 stop Dallas/Fort Worth
American Airlines Logo
18:35 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
22h 25m1 stop Los Angeles
$1,978American Airlines
Wed, 25 Nov - Wed, 2 Dec
American Airlines Logo
11:10 - 23:50SYD  Sydney Kingsford Smith-PHL Philadelphia
28h 40m1 stop Los Angeles
American Airlines Logo
18:40 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
22h 20m1 stop Los Angeles
$1,986American Airlines
Tue, 10 Nov - Tue, 17 Nov
United Airlines Logo
11:50 - 19:31SYD  Sydney Kingsford Smith-PHL Philadelphia
23h 41m2 stops San Francisco Denver Intl
United Airlines Logo
18:21 - 09:20PHL  Philadelphia-SYD Sydney Kingsford Smith
22h 59m1 stop San Francisco
$1,987United Airlines
Mon, 2 Nov - Wed, 25 Nov
United Airlines Logo
11:50 - 18:51SYD  Sydney Kingsford Smith-PHL Philadelphia
23h 01m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
13:20 - 06:20PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 00m2 stops Chicago O'Hare Intl San Francisco
$1,987United Airlines
Tue, 24 Nov - Sun, 6 Dec
United Airlines Logo
11:20 - 07:19SYD  Sydney Kingsford Smith-PHL Philadelphia
35h 59m2 stops Los Angeles San Francisco
United Airlines Logo
19:37 - 07:00PHL  Philadelphia-SYD Sydney Kingsford Smith
43h 23m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
$1,987United Airlines
Thu, 10 Dec - Tue, 29 Dec
Delta Logo
10:40 - 23:46SYD  Sydney Kingsford Smith-PHL Philadelphia
29h 06m2 stops Los Angeles Minneapolis St Paul
Delta Logo
07:00 - 08:30PHL  Philadelphia-SYD Sydney Kingsford Smith
33h 30m2 stops Seattle/Tacoma Intl Los Angeles
$1,990Delta
Thu, 19 Nov - Sun, 29 Nov
American Airlines Logo
11:15 - 17:55SYD  Sydney Kingsford Smith-PHL Philadelphia
22h 40m1 stop Los Angeles
American Airlines Logo
08:12 - 06:55PHL  Philadelphia-SYD Sydney Kingsford Smith
30h 43m1 stop Dallas/Fort Worth
$1,990American Airlines
Thu, 19 Nov - Sun, 29 Nov
Delta Logo
10:40 - 00:55SYD  Sydney Kingsford Smith-PHL Philadelphia
30h 15m2 stops Los Angeles Atlanta Hartsfield-Jackson
Delta Logo
12:04 - 08:30PHL  Philadelphia-SYD Sydney Kingsford Smith
28h 26m2 stops Atlanta Hartsfield-Jackson Los Angeles
$1,991Delta
Wed, 25 Nov - Wed, 2 Dec
Qantas Airways Logo
11:10 - 17:55SYD  Sydney Kingsford Smith-PHL Philadelphia
22h 45m1 stop Los Angeles
Qantas Airways Logo
15:55 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 05m1 stop Los Angeles
$2,797Qantas Airways
Tue, 8 Dec - Sat, 16 Jan
Qantas Airways Logo
11:10 - 17:55SYD  Sydney Kingsford Smith-PHL Philadelphia
22h 45m1 stop Los Angeles
Qantas Airways Logo
15:55 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 05m1 stop Los Angeles
$2,797Qantas Airways
Tue, 8 Dec - Fri, 15 Jan

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American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
25 Nov
SYD14:05Sydney Kingsford Smith
21h 06m
1 stop
PHL19:11Philadelphia
2 Dec
PHL18:35Philadelphia
22h 25m
1 stop
SYD09:00Sydney Kingsford Smith
$1,978
American Airlines
10 Nov
SYD11:10Sydney Kingsford Smith
28h 40m
1 stop
PHL23:50Philadelphia
17 Nov
PHL18:40Philadelphia
22h 20m
1 stop
SYD09:00Sydney Kingsford Smith
$1,986
American Airlines
2 Nov
SYD11:10Sydney Kingsford Smith
23h 28m
2 stops
PHL18:38Philadelphia
25 Nov
PHL16:23Philadelphia
24h 37m
2 stops
SYD09:00Sydney Kingsford Smith
$1,996

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
10 Nov
SYD10:40Sydney Kingsford Smith
23h 39m
2 stops
PHL18:19Philadelphia
17 Nov
PHL05:35Philadelphia
34h 55m
2 stops
SYD08:30Sydney Kingsford Smith
$1,991
Delta
3 Dec
SYD10:40Sydney Kingsford Smith
42h 20m
2 stops
PHL13:00Philadelphia
6 Jan
PHL07:00Philadelphia
33h 30m
2 stops
SYD08:30Sydney Kingsford Smith
$2,059
Delta
26 Nov
SYD10:40Sydney Kingsford Smith
28h 34m
2 stops
PHL23:14Philadelphia
3 Dec
PHL07:10Philadelphia
33h 20m
2 stops
SYD08:30Sydney Kingsford Smith
$2,061

momondo Fare Finder

 
Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 25/11

14:05-19:11

1 stop21h 06m

Philadelphia

Wed 2/12

18:35-09:00

1 stop22h 25m

$1,978

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 10/11

11:10-23:50

1 stop28h 40m

Philadelphia

Tue 17/11

18:40-09:00

1 stop22h 20m

$1,986

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 2/11

11:50-19:31

2 stops23h 41m

Philadelphia

Wed 25/11

18:21-09:20

1 stop22h 59m

$1,987

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 24/11

11:50-18:51

2 stops23h 01m

Philadelphia

Sun 6/12

13:20-06:20

2 stops25h 00m

$1,987

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/12

11:20-07:19

2 stops35h 59m

Philadelphia

Tue 29/12

19:37-07:00

2 stops43h 23m

$1,987

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 19/11

10:40-23:46

2 stops29h 06m

Philadelphia

Sun 29/11

07:00-08:30

2 stops33h 30m

$1,990

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 19/11

11:15-17:55

1 stop22h 40m

Philadelphia

Sun 29/11

08:12-06:55

1 stop30h 43m

$1,990

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 25/11

10:40-00:55

2 stops30h 15m

Philadelphia

Wed 2/12

12:04-08:30

2 stops28h 26m

$1,991

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 8/12

11:10-17:55

1 stop22h 45m

Philadelphia

Sat 16/1

15:55-09:00

1 stop25h 05m

$2,797

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 8/12

11:10-17:55

1 stop22h 45m

Philadelphia

Fri 15/1

15:55-09:00

1 stop25h 05m

$2,797

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

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

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 $1,696 to $2,011.
The lowest price recently found on this route was $1,741.

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,602.

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 return 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

$845

Fastest flight time

23h 01m

Direct flights

None
The best one-way flight to Philadelphia from Sydney in the past 72 hours is $845. The best return flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,978.
The fastest flight from Sydney to Philadelphia takes 23h 01m
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?

    Sydney Kingsford Smith and Philadelphia are 15874.2 km apart from one another. A reasonable flight in good conditions will take 23h 01m.

  • 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 refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 licence 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.

  • What is the most popular airline from Sydney to Philadelphia?

Best airlines flying from Sydney to Philadelphia

Compare and see reviews for airlines that fly from Sydney to Philadelphia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $610Free cancellationRating
7.4
10,362 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,573Free cancellationRating
7.5
1,109 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,840Free cancellationRating
7.0
12,167 reviews
Search American Airlines flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Rehoboth Beach
Cherry Hill

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Sydney.

Can I find flights from Sydney to Philadelphia with flexible booking policies on momondo?

Flights from Sydney to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to Philadelphia?

momondo provides multiple filters to help you find the best flight to Philadelphia from Sydney. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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