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Cheap flights from Sydney to Philadelphia from $762

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 7/3. 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.
American Airlines Logo
11:20 - 19:40
SYD
-
PHL
23h 20m
2 stops
American Airlines Logo
10:45 - 09:00
PHL
-
SYD
31h 15m
1 stop
$1,878American Airlines
Tue, 17 Mar - Tue, 24 Mar
American Airlines Logo
11:20 - 19:40
SYD
-
PHL
23h 20m
2 stops
American Airlines Logo
19:00 - 12:30
PHL
-
SYD
26h 30m
2 stops
$1,910American Airlines
Tue, 17 Mar - Tue, 24 Mar
Air Canada Logo
10:20 - 22:44
SYD
-
PHL
27h 24m
2 stops
Air Canada Logo
15:30 - 08:35
PHL
-
SYD
50h 05m
3 stops
$2,129Air Canada
Tue, 17 Mar - Tue, 24 Mar
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m
2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
50h 05m
2 stops
$2,144Air Canada
Thu, 19 Feb - Mon, 23 Feb
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m
2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
50h 05m
2 stops
$2,149Air Canada
Thu, 19 Feb - Mon, 23 Feb
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m
2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
50h 05m
2 stops
$2,162Air Canada
Thu, 19 Feb - Mon, 23 Feb
American Airlines Logo
09:10 - 16:37
SYD
-
PHL
21h 27m
1 stop
American Airlines Logo
17:34 - 06:25
PHL
-
SYD
22h 51m
1 stop
$2,363American Airlines
Thu, 4 Jun - Sun, 5 Jul
American Airlines Logo
09:10 - 18:30
SYD
-
PHL
23h 20m
2 stops
American Airlines Logo
17:34 - 06:25
PHL
-
SYD
22h 51m
1 stop
$2,369American Airlines
Thu, 4 Jun - Sun, 5 Jul
Delta Logo
09:15 - 18:25
SYD
-
PHL
23h 10m
2 stops
Delta Logo
16:05 - 06:50
PHL
-
SYD
24h 45m
2 stops
$2,375Delta
Thu, 4 Jun - Sun, 5 Jul
American Airlines Logo
11:20 - 09:38
SYD
-
PHL
38h 18m
2 stops
American Airlines Logo
16:00 - 06:55
PHL
-
SYD
22h 55m
1 stop
$2,456American Airlines
Thu, 19 Feb - Mon, 23 Feb

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
17 Mar
SYD11:20Sydney Kingsford Smith
23h 20m
2 stops
PHL19:40Philadelphia
24 Mar
PHL10:45Philadelphia
31h 15m
1 stop
SYD09:00Sydney Kingsford Smith
$1,878
American Airlines
17 Mar
SYD11:20Sydney Kingsford Smith
23h 20m
2 stops
PHL19:40Philadelphia
24 Mar
PHL19:00Philadelphia
26h 30m
2 stops
SYD12:30Sydney Kingsford Smith
$1,910
American Airlines
4 June
SYD09:10Sydney Kingsford Smith
21h 27m
1 stop
PHL16:37Philadelphia
5 July
PHL17:34Philadelphia
22h 51m
1 stop
SYD06:25Sydney Kingsford Smith
$2,363

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
17 Mar
SYD10:20Sydney Kingsford Smith
27h 24m
2 stops
PHL22:44Philadelphia
24 Mar
PHL15:30Philadelphia
50h 05m
3 stops
SYD08:35Sydney Kingsford Smith
$2,129
Air Canada
19 Feb
SYD11:20Sydney Kingsford Smith
43h 27m
2 stops
PHL14:47Philadelphia
23 Feb
PHL15:30Philadelphia
50h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$2,144
Air Canada
19 Feb
SYD11:20Sydney Kingsford Smith
43h 27m
2 stops
PHL14:47Philadelphia
23 Feb
PHL15:30Philadelphia
50h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$2,149

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 31 January 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

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 17/3

11:20-19:40

2 stops23h 20m

Philadelphia

Tue 24/3

10:45-09:00

1 stop31h 15m

$1,878

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 17/3

11:20-19:40

2 stops23h 20m

Philadelphia

Tue 24/3

19:00-12:30

2 stops26h 30m

$1,910

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 17/3

10:20-22:44

2 stops27h 24m

Philadelphia

Tue 24/3

15:30-08:35

3 stops50h 05m

$2,129

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 19/2

11:20-14:47

2 stops43h 27m

Philadelphia

Mon 23/2

15:30-09:35

2 stops50h 05m

$2,144

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 19/2

11:20-14:47

2 stops43h 27m

Philadelphia

Mon 23/2

15:30-09:35

2 stops50h 05m

$2,149

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 19/2

11:20-14:47

2 stops43h 27m

Philadelphia

Mon 23/2

15:30-09:35

2 stops50h 05m

$2,162

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/6

09:10-16:37

1 stop21h 27m

Philadelphia

Sun 5/7

17:34-06:25

1 stop22h 51m

$2,363

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/6

09:10-18:30

2 stops23h 20m

Philadelphia

Sun 5/7

17:34-06:25

1 stop22h 51m

$2,369

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/6

09:15-18:25

2 stops23h 10m

Philadelphia

Sun 5/7

16:05-06:50

2 stops24h 45m

$2,375

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 19/2

11:20-09:38

2 stops38h 18m

Philadelphia

Mon 23/2

16:00-06:55

1 stop22h 55m

$2,456

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 $1,134.

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 $1,921 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 $1,191 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 14% 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 January 2026, prices for Sydney to Philadelphia flights are approximately 11% 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

38h 30m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 38h 30m
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 38h 30m.

  • 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 $609Free cancellationRating
7.4
9,219 reviews
Search United Airlines flights
DeltaPriceFrom $1,100Free cancellationRating
7.9
8,130 reviews
Search Delta flights
Air CanadaPriceFrom $1,372Free cancellationRating
7.1
10,668 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,563Free cancellationRating
7.5
982 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,572Free cancellationRating
8.0
577 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,716Free cancellationRating
7.2
11,211 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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