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Cheap flights from Sydney to Philadelphia from $1,230

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Philadelphia departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
13:15 - 09:30SYD  Sydney Kingsford Smith-PHL Philadelphia
34h 15m3 stops Nadi Los Angeles Los Angeles Orlando
Multiple Airlines Logo
10:37 - 22:25PHL  Philadelphia-SYD Sydney Kingsford Smith
45h 48m3 stops Orlando Los Angeles Los Angeles Nadi
$1,506Multiple Airlines
Mon, 28 Sep - Wed, 30 Sep
American Airlines Logo
10:10 - 05:26SYD  Sydney Kingsford Smith-PHL Philadelphia
34h 16m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
20:32 - 06:55PHL  Philadelphia-SYD Sydney Kingsford Smith
43h 23m1 stop Dallas/Fort Worth
$2,056American Airlines
Wed, 21 Oct - Sun, 25 Oct
American Airlines Logo
10:10 - 05:26SYD  Sydney Kingsford Smith-PHL Philadelphia
34h 16m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
20:32 - 06:55PHL  Philadelphia-SYD Sydney Kingsford Smith
43h 23m1 stop Dallas/Fort Worth
$2,057American Airlines
Wed, 21 Oct - Sun, 25 Oct
American Airlines Logo
10:10 - 05:26SYD  Sydney Kingsford Smith-PHL Philadelphia
34h 16m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
20:32 - 06:55PHL  Philadelphia-SYD Sydney Kingsford Smith
43h 23m1 stop Dallas/Fort Worth
$2,059American Airlines
Wed, 21 Oct - Sun, 25 Oct
Qantas Airways Logo
10:10 - 18:44SYD  Sydney Kingsford Smith-PHL Philadelphia
23h 34m1 stop Los Angeles Los Angeles
Qantas Airways Logo
15:55 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 05m1 stop Los Angeles Los Angeles
$2,156Qantas Airways
Mon, 12 Oct - Sun, 1 Nov
Qantas Airways Logo
10:10 - 16:19SYD  Sydney Kingsford Smith-PHL Philadelphia
21h 09m1 stop Los Angeles Los Angeles
Qantas Airways Logo
15:55 - 09:00PHL  Philadelphia-SYD Sydney Kingsford Smith
25h 05m1 stop Los Angeles Los Angeles
$2,190Qantas Airways
Sun, 11 Oct - Sun, 1 Nov
Multiple Airlines Logo
09:30 - 09:05SYD  Sydney Kingsford Smith-PHL Philadelphia
37h 35m2 stops Los Angeles Los Angeles Orlando
Multiple Airlines Logo
06:00 - 07:00PHL  Philadelphia-SYD Sydney Kingsford Smith
35h 00m2 stops Dallas/Fort Worth Los Angeles Los Angeles
$2,194Multiple Airlines
Sun, 27 Sep - Sat, 3 Oct
Etihad Airways Logo
21:35 - 22:43SYD  Sydney Kingsford Smith-PHL Philadelphia
40h 08m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
Etihad Airways Logo
06:00 - 06:30PHL  Philadelphia-SYD Sydney Kingsford Smith
56h 30m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
$2,393Etihad Airways
Mon, 12 Oct - Sun, 1 Nov
United Airlines Logo
09:20 - 16:56SYD  Sydney Kingsford Smith-PHL Philadelphia
23h 36m1 stop Houston George Bush Intcntl
United Airlines Logo
06:10 - 09:20PHL  Philadelphia-SYD Sydney Kingsford Smith
35h 10m1 stop San Francisco
$2,536United Airlines
Thu, 10 Dec - Tue, 29 Dec
United Airlines Logo
11:50 - 21:20SYD  Sydney Kingsford Smith-PHL Philadelphia
25h 30m1 stop San Francisco
United Airlines Logo
06:26 - 06:20PHL  Philadelphia-SYD Sydney Kingsford Smith
31h 54m2 stops Chicago O'Hare Intl San Francisco
$2,536United Airlines
Thu, 10 Dec - Tue, 29 Dec

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Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
12 Oct
SYD10:10Sydney Kingsford Smith
23h 34m
1 stop
PHL18:44Philadelphia
1 Nov
PHL15:55Philadelphia
25h 05m
1 stop
SYD09:00Sydney Kingsford Smith
$2,156
Qantas Airways
31 Aug
SYD17:50Sydney Kingsford Smith
27h 14m
1 stop
PHL07:04Philadelphia
15 Sept
PHL17:45Philadelphia
22h 40m
1 stop
SYD06:25Sydney Kingsford Smith
$2,998
Qantas Airways
30 Aug
SYD09:10Sydney Kingsford Smith
23h 24m
1 stop
PHL18:34Philadelphia
14 Sept
PHL15:42Philadelphia
25h 23m
1 stop
SYD07:05Sydney Kingsford Smith
$3,041

Etihad Airways flights from Sydney to Philadelphia

Our best Etihad Airways deals on Sydney to Philadelphia flight tickets
Etihad Airways
12 Oct
SYD21:35Sydney Kingsford Smith
40h 08m
2 stops
PHL22:43Philadelphia
1 Nov
PHL06:00Philadelphia
56h 30m
2 stops
SYD06:30Sydney Kingsford Smith
$2,393
Etihad Airways
11 Oct
SYD16:40Sydney Kingsford Smith
40h 19m
2 stops
PHL17:59Philadelphia
1 Nov
PHL10:30Philadelphia
52h 00m
2 stops
SYD06:30Sydney Kingsford Smith
$2,413

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 16 August 2026.
Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 28/9

13:15-09:30

3 stops34h 15m

Philadelphia

Wed 30/9

10:37-22:25

3 stops45h 48m

$1,506

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 21/10

10:10-05:26

2 stops34h 16m

Philadelphia

Sun 25/10

20:32-06:55

1 stop43h 23m

$2,056

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 21/10

10:10-05:26

2 stops34h 16m

Philadelphia

Sun 25/10

20:32-06:55

1 stop43h 23m

$2,057

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 21/10

10:10-05:26

2 stops34h 16m

Philadelphia

Sun 25/10

20:32-06:55

1 stop43h 23m

$2,059

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 12/10

10:10-18:44

1 stop23h 34m

Philadelphia

Sun 1/11

15:55-09:00

1 stop25h 05m

$2,156
Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sun 11/10

10:10-16:19

1 stop21h 09m

Philadelphia

Sun 1/11

15:55-09:00

1 stop25h 05m

$2,190

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sun 27/9

09:30-09:05

2 stops37h 35m

Philadelphia

Sat 3/10

06:00-07:00

2 stops35h 00m

$2,194

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 12/10

21:35-22:43

2 stops40h 08m

Philadelphia

Sun 1/11

06:00-06:30

2 stops56h 30m

$2,393

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/12

09:20-16:56

1 stop23h 36m

Philadelphia

Tue 29/12

06:10-09:20

1 stop35h 10m

$2,536

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 10/12

11:50-21:20

1 stop25h 30m

Philadelphia

Tue 29/12

06:26-06:20

2 stops31h 54m

$2,536

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 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 $1,579.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 39% 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 August 2026, prices for Sydney to Philadelphia flights are approximately 19% 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

Fastest flight time

23h 54m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 23h 54m
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 54m.

  • 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 $601Free cancellationRating
7.4
10,105 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,541Free cancellationRating
7.5
1,083 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,693Free cancellationRating
7.1
11,952 reviews
Search American Airlines flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Elkton
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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