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Cheap flights from Sydney to Philadelphia from $890

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 15/6. 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

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Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
13:31 - 06:55
PHL
-
SYD
27h 24m
2 stops
$1,439United Airlines
Mon, 8 Jun - Tue, 16 Jun
United Airlines Logo
09:30 - 18:57
SYD
-
PHL
23h 27m
2 stops
United Airlines Logo
13:31 - 07:00
PHL
-
SYD
27h 29m
2 stops
$1,441United Airlines
Mon, 8 Jun - Sun, 21 Jun
United Airlines Logo
09:30 - 21:19
SYD
-
PHL
25h 49m
2 stops
United Airlines Logo
16:14 - 07:00
PHL
-
SYD
24h 46m
2 stops
$1,442United Airlines
Mon, 8 Jun - Mon, 22 Jun
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
16:14 - 06:55
PHL
-
SYD
24h 41m
2 stops
$1,509United Airlines
Fri, 5 Jun - Tue, 16 Jun
United Airlines Logo
09:30 - 22:43
SYD
-
PHL
27h 13m
2 stops
United Airlines Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,511United Airlines
Fri, 5 Jun - Sun, 21 Jun
United Airlines Logo
09:30 - 18:55
SYD
-
PHL
23h 25m
2 stops
United Airlines Logo
16:14 - 06:55
PHL
-
SYD
24h 41m
2 stops
$1,512United Airlines
Fri, 5 Jun - Mon, 22 Jun
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,579United Airlines
Fri, 5 Jun - Fri, 19 Jun
United Airlines Logo
10:20 - 01:29
SYD
-
PHL
29h 09m
1 stop
United Airlines Logo
09:25 - 06:55
PHL
-
SYD
31h 30m
1 stop
$1,581United Airlines
Fri, 5 Jun - Sat, 20 Jun
United Airlines Logo
10:20 - 21:27
SYD
-
PHL
25h 07m
2 stops
United Airlines Logo
18:36 - 06:55
PHL
-
SYD
22h 19m
1 stop
$1,582United Airlines
Sat, 29 Aug - Fri, 11 Sep
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,593United Airlines
Thu, 16 Jul - Mon, 27 Jul

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
6 Aug
SYD09:10Sydney Kingsford Smith
34h 34m
2 stops
PHL05:44Philadelphia
10 Aug
PHL12:57Philadelphia
27h 58m
1 stop
SYD06:55Sydney Kingsford Smith
$2,162
American Airlines
7 Nov
SYD11:15Sydney Kingsford Smith
28h 31m
1 stop
PHL23:46Philadelphia
27 Nov
PHL19:02Philadelphia
21h 58m
1 stop
SYD09:00Sydney Kingsford Smith
$2,167
American Airlines
16 July
SYD09:10Sydney Kingsford Smith
23h 42m
2 stops
PHL18:52Philadelphia
27 July
PHL18:01Philadelphia
23h 04m
1 stop
SYD07:05Sydney Kingsford Smith
$2,287

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
8 June
SYD10:20Sydney Kingsford Smith
28h 39m
2 stops
PHL00:59Philadelphia
17 June
PHL18:23Philadelphia
22h 32m
1 stop
SYD06:55Sydney Kingsford Smith
$1,439
United Airlines
8 June
SYD09:30Sydney Kingsford Smith
25h 49m
2 stops
PHL21:19Philadelphia
22 June
PHL16:14Philadelphia
24h 46m
2 stops
SYD07:00Sydney Kingsford Smith
$1,441
United Airlines
8 June
SYD09:30Sydney Kingsford Smith
25h 49m
2 stops
PHL21:19Philadelphia
22 June
PHL16:14Philadelphia
24h 46m
2 stops
SYD07:00Sydney Kingsford Smith
$1,442

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 25 May 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 - PHL

SYDPHL

Sydney Kingsford Smith

Mon 8/6

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 16/6

13:31-06:55

2 stops27h 24m

$1,439

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 8/6

09:30-18:57

2 stops23h 27m

Philadelphia

Sun 21/6

13:31-07:00

2 stops27h 29m

$1,441

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 8/6

09:30-21:19

2 stops25h 49m

Philadelphia

Mon 22/6

16:14-07:00

2 stops24h 46m

$1,442

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/6

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 16/6

16:14-06:55

2 stops24h 41m

$1,509

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/6

09:30-22:43

2 stops27h 13m

Philadelphia

Sun 21/6

18:23-06:55

1 stop22h 32m

$1,511

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/6

09:30-18:55

2 stops23h 25m

Philadelphia

Mon 22/6

16:14-06:55

2 stops24h 41m

$1,512
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/6

10:20-17:17

1 stop20h 57m

Philadelphia

Fri 19/6

18:23-06:55

1 stop22h 32m

$1,579

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/6

10:20-01:29

1 stop29h 09m

Philadelphia

Sat 20/6

09:25-06:55

1 stop31h 30m

$1,581

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 29/8

10:20-21:27

2 stops25h 07m

Philadelphia

Fri 11/9

18:36-06:55

1 stop22h 19m

$1,582

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 16/7

10:20-17:17

1 stop20h 57m

Philadelphia

Mon 27/7

18:23-06:55

1 stop22h 32m

$1,593

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel to Philadelphia during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,596.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 13% 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 May 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 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

20h 48m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 20h 48m
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 20h 48m.

  • 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 $597Free cancellationRating
7.4
9,749 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,304Free cancellationRating
7.1
11,083 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,540Free cancellationRating
7.5
1,042 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,682Free cancellationRating
7.1
11,629 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
Elkton
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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