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Cheap flights from Sydney to Philadelphia from $1,297

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 18/11. 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.
Air Canada Logo
11:20 - 13:47SYD-PHL
66h 27m3 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$1,399Air Canada
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Air Canada Logo
11:20 - 22:46SYD-PHL
27h 26m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$1,430Air Canada
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Air Canada Logo
11:20 - 22:46SYD-PHL
27h 26m2 stops
Air Canada Logo
15:30 - 08:35PHL-SYD
26h 05m2 stops
$1,431Air Canada
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Qantas Airways Logo
14:05 - 22:41SYD-PHL
24h 36m1 stop
Qantas Airways Logo
15:41 - 07:25PHL-SYD
23h 44m1 stop
$1,610Qantas Airways
Find Deal
Tue, 9 Dec - Tue, 30 Dec
United Airlines Logo
14:00 - 21:32SYD-PHL
23h 32m2 stops
United Airlines Logo
18:16 - 06:20PHL-SYD
45h 04m1 stop
$1,685United Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
United Airlines Logo
14:00 - 21:32SYD-PHL
23h 32m2 stops
United Airlines Logo
18:16 - 06:20PHL-SYD
45h 04m1 stop
$1,686United Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Virgin Australia Logo
14:00 - 21:38SYD-PHL
23h 38m1 stop
Virgin Australia Logo
18:16 - 06:20PHL-SYD
45h 04m1 stop
$1,986Virgin Australia
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Qantas Airways Logo
17:45 - 07:27SYD-PHL
29h 42m1 stop
Qantas Airways Logo
16:00 - 06:55PHL-SYD
22h 55m1 stop
$2,804Qantas Airways
Find Deal
Wed, 17 Dec - Wed, 24 Dec
American Airlines Logo
14:05 - 20:37SYD-PHL
22h 32m2 stops
American Airlines Logo
13:45 - 06:55PHL-SYD
25h 10m2 stops
$3,437American Airlines
Find Deal
Wed, 17 Dec - Wed, 24 Dec
American Airlines Logo
11:20 - 23:51SYD-PHL
28h 31m1 stop
American Airlines Logo
10:35 - 07:25PHL-SYD
28h 50m1 stop
$3,443American Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
6 Mar
SYD11:20Sydney Kingsford Smith
66h 27m
3 stops
PHL13:47Philadelphia
10 Mar
PHL15:30Philadelphia
26h 05m
2 stops
SYD08:35Sydney Kingsford Smith
$1,399
Find similar
Air Canada
6 Mar
SYD11:20Sydney Kingsford Smith
27h 26m
2 stops
PHL22:46Philadelphia
10 Mar
PHL15:30Philadelphia
26h 05m
2 stops
SYD08:35Sydney Kingsford Smith
$1,430
Find similar
Air Canada
6 Mar
SYD11:20Sydney Kingsford Smith
27h 26m
2 stops
PHL22:46Philadelphia
10 Mar
PHL15:30Philadelphia
26h 05m
2 stops
SYD08:35Sydney Kingsford Smith
$1,431
Find similar

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
9 Dec
SYD14:05Sydney Kingsford Smith
24h 36m
1 stop
PHL22:41Philadelphia
30 Dec
PHL15:41Philadelphia
23h 44m
1 stop
SYD07:25Sydney Kingsford Smith
$1,610
Find similar
Qantas Airways
7 Nov
SYD11:20Sydney Kingsford Smith
28h 26m
1 stop
PHL23:46Philadelphia
20 Feb
PHL14:14Philadelphia
26h 46m
1 stop
SYD09:00Sydney Kingsford Smith
$1,695
Find similar
Qantas Airways
17 Dec
SYD17:45Sydney Kingsford Smith
29h 42m
1 stop
PHL07:27Philadelphia
24 Dec
PHL16:00Philadelphia
22h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$2,804
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 3 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

Fri 6/3

11:20-13:47

3 stops66h 27m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$1,399

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-22:46

2 stops27h 26m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$1,430

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-22:46

2 stops27h 26m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$1,431

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 9/12

14:05-22:41

1 stop24h 36m

Philadelphia

Tue 30/12

15:41-07:25

1 stop23h 44m

$1,610

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

14:00-21:32

2 stops23h 32m

Philadelphia

Tue 10/3

18:16-06:20

1 stop45h 04m

$1,685

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

14:00-21:32

2 stops23h 32m

Philadelphia

Tue 10/3

18:16-06:20

1 stop45h 04m

$1,686

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

14:00-21:38

1 stop23h 38m

Philadelphia

Tue 10/3

18:16-06:20

1 stop45h 04m

$1,986

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 17/12

17:45-07:27

1 stop29h 42m

Philadelphia

Wed 24/12

16:00-06:55

1 stop22h 55m

$2,804

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 17/12

14:05-20:37

2 stops22h 32m

Philadelphia

Wed 24/12

13:45-06:55

2 stops25h 10m

$3,437

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 1/1

11:20-23:51

1 stop28h 31m

Philadelphia

Thu 8/1

10:35-07:25

1 stop28h 50m

$3,443

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 $1,213.

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 $1,972. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,474. 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 $1,665 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 $2,342.

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 $2,118 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 $1,256 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 20h 51m.

  • 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 $1,176Free cancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $1,223Free cancellationRating
7.4
8,994 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,468Free cancellationRating
7.1
10,392 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,680Free cancellationRating
8.0
521 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,707Free cancellationRating
7.5
926 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,853Free cancellationRating
7.2
11,032 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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