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Cheap flights from Sydney to Philadelphia from $1,112

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 7/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:20 - 22:46SYD-PHL
27h 26m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$1,984Air Canada
Find Deal
Sat, 7 Mar - Tue, 10 Mar
Air Canada Logo
11:20 - 15:49SYD-PHL
44h 29m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$2,028Air Canada
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Air Canada Logo
11:20 - 15:49SYD-PHL
44h 29m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$2,034Air Canada
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Air Canada Logo
11:20 - 14:47SYD-PHL
43h 27m3 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$2,232Air Canada
Find Deal
Fri, 6 Mar - Tue, 10 Mar
American Airlines Logo
09:10 - 17:53SYD-PHL
22h 43m2 stops
American Airlines Logo
16:16 - 07:05PHL-SYD
24h 49m1 stop
$2,444American Airlines
Find Deal
Mon, 4 May - Fri, 15 May
Multiple Airlines Logo
21:40 - 05:46SYD-PHL
24h 06m2 stops
Multiple Airlines Logo
11:45 - 06:55PHL-SYD
27h 10m1 stop
$2,477Multiple Airlines
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Multiple Airlines Logo
21:40 - 17:44SYD-PHL
36h 04m2 stops
Multiple Airlines Logo
14:30 - 09:00PHL-SYD
26h 30m1 stop
$2,714Multiple Airlines
Find Deal
Wed, 24 Dec - Mon, 2 Feb
Alaska Airlines Logo
21:40 - 05:37SYD-PHL
47h 57m2 stops
Alaska Airlines Logo
18:20 - 19:45PHL-SYD
57h 25m2 stops
$2,737Alaska Airlines
Find Deal
Wed, 24 Dec - Mon, 2 Mar
Air Canada Logo
09:20 - 21:37SYD-PHL
26h 17m2 stops
Air Canada Logo
09:15 - 07:20PHL-SYD
32h 05m3 stops
$2,749Air Canada
Find Deal
Mon, 4 May - Fri, 15 May
Qatar Airways Logo
21:40 - 08:00SYD-PHL
50h 20m1 stop
Qatar Airways Logo
20:50 - 18:50PHL-SYD
31h 00m1 stop
$2,793Qatar Airways
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Fri, 6 Mar - Tue, 10 Mar

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
4 May
SYD09:10Sydney Kingsford Smith
22h 43m
2 stops
PHL17:53Philadelphia
15 May
PHL16:16Philadelphia
24h 49m
1 stop
SYD07:05Sydney Kingsford Smith
$2,444
Find similar
American Airlines
4 Dec
SYD11:20Sydney Kingsford Smith
21h 58m
1 stop
PHL17:18Philadelphia
7 Dec
PHL10:27Philadelphia
30h 33m
1 stop
SYD09:00Sydney Kingsford Smith
$2,819
Find similar
American Airlines
29 Dec
SYD11:20Sydney Kingsford Smith
22h 10m
1 stop
PHL17:30Philadelphia
30 Dec
PHL14:02Philadelphia
26h 58m
1 stop
SYD09:00Sydney Kingsford Smith
$2,830
Find similar

Alaska Airlines flights from Sydney to Philadelphia

Our best Alaska Airlines deals on Sydney to Philadelphia flight tickets
Alaska Airlines
24 Dec
SYD21:40Sydney Kingsford Smith
47h 57m
2 stops
PHL05:37Philadelphia
2 Mar
PHL18:20Philadelphia
57h 25m
2 stops
SYD19:45Sydney Kingsford Smith
$2,737
Find similar
Alaska Airlines
22 Dec
SYD21:40Sydney Kingsford Smith
47h 57m
2 stops
PHL05:37Philadelphia
26 Dec
PHL18:44Philadelphia
57h 01m
2 stops
SYD19:45Sydney Kingsford Smith
$3,091
Find similar
Alaska Airlines
28 Dec
SYD21:40Sydney Kingsford Smith
47h 57m
2 stops
PHL05:37Philadelphia
4 Jan
PHL07:00Philadelphia
68h 45m
2 stops
SYD19:45Sydney Kingsford Smith
$3,151
Find similar

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 November 2025.
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

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 7/3

11:20-22:46

2 stops27h 26m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$1,984

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-15:49

2 stops44h 29m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$2,028

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-15:49

2 stops44h 29m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$2,034

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-14:47

3 stops43h 27m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$2,232

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

09:10-17:53

2 stops22h 43m

Philadelphia

Fri 15/5

16:16-07:05

1 stop24h 49m

$2,444

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/12

21:40-05:46

2 stops24h 06m

Philadelphia

Sun 7/12

11:45-06:55

1 stop27h 10m

$2,477

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 24/12

21:40-17:44

2 stops36h 04m

Philadelphia

Mon 2/2

14:30-09:00

1 stop26h 30m

$2,714

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 24/12

21:40-05:37

2 stops47h 57m

Philadelphia

Mon 2/3

18:20-19:45

2 stops57h 25m

$2,737

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

09:20-21:37

2 stops26h 17m

Philadelphia

Fri 15/5

09:15-07:20

3 stops32h 05m

$2,749

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

21:40-08:00

1 stop50h 20m

Philadelphia

Tue 10/3

20:50-18:50

1 stop31h 00m

$2,793

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,215.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Sydney to Philadelphia is on a Thursday when prices can be found for as low as $1,975. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,477. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.

What is the cheapest time of day to depart on your flight to Philadelphia?

Flying to Philadelphia from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,667 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $2,346.

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $2,133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Sydney for as low as $1,257 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 15% on your flight if you consider stops on a Sydney to Philadelphia flight.

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

Direct flights

None
There are no direct flights from Sydney to Philadelphia. There are no popular flight routes from Sydney to Philadelphia.
Search flight deals

  • 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 21h 12m.

  • 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
DeltaPriceFrom $1,177Free cancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $1,224Free cancellationRating
7.4
9,017 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,471Free cancellationRating
7.1
10,450 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,682Free cancellationRating
8.0
526 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,709Free cancellationRating
7.5
934 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,856Free cancellationRating
7.2
11,050 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.
Start using Trips
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