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Cheap flights from Sydney to Philadelphia from $955

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 10/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
11:55 - 08:00
SYD
-
PHL
34h 05m2 stops
Air New Zealand Logo
12:51 - 08:45
PHL
-
SYD
29h 54m2 stops
$1,635Air New Zealand
Tue, 19 May - Wed, 12 Aug
Multiple Airlines Logo
09:55 - 14:19
SYD
-
PHL
44h 24m3 stops
Multiple Airlines Logo
08:35 - 12:40
PHL
-
SYD
36h 05m2 stops
$1,746Multiple Airlines
Mon, 23 Feb - Mon, 2 Mar
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$1,876Air Canada
Tue, 3 Feb - Wed, 11 Feb
Multiple Airlines Logo
09:55 - 08:00
SYD
-
PHL
36h 05m2 stops
Multiple Airlines Logo
10:00 - 08:45
PHL
-
SYD
32h 45m3 stops
$1,895Multiple Airlines
Tue, 19 May - Wed, 12 Aug
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$1,946Air Canada
Thu, 19 Feb - Mon, 23 Feb
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$1,949Air Canada
Thu, 19 Feb - Mon, 23 Feb
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$1,960Air Canada
Thu, 19 Feb - Mon, 23 Feb
Air Canada Logo
10:20 - 22:46
SYD
-
PHL
27h 26m2 stops
Air Canada Logo
07:50 - 08:35
PHL
-
SYD
33h 45m2 stops
$1,994Air Canada
Tue, 10 Mar - Wed, 11 Mar
Multiple Airlines Logo
11:20 - 21:33
SYD
-
PHL
26h 13m2 stops
Multiple Airlines Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$2,018Multiple Airlines
Mon, 23 Feb - Mon, 2 Mar
Air Canada Logo
11:20 - 22:46
SYD
-
PHL
27h 26m2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m2 stops
$2,051Air Canada
Sat, 7 Mar - Thu, 21 May

Air New Zealand flights from Sydney to Philadelphia

Our best Air New Zealand deals on Sydney to Philadelphia flight tickets
Air New Zealand
19 May
SYD11:55Sydney Kingsford Smith
34h 05m
2 stops
PHL08:00Philadelphia
12 Aug
PHL12:51Philadelphia
29h 54m
2 stops
SYD08:45Sydney Kingsford Smith
$1,635
Air New Zealand
24 Feb
SYD19:15Sydney Kingsford Smith
56h 22m
2 stops
PHL11:37Philadelphia
3 Mar
PHL17:55Philadelphia
46h 50m
2 stops
SYD08:45Sydney Kingsford Smith
$1,816

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
3 Feb
SYD14:00Sydney Kingsford Smith
47h 52m
1 stop
PHL21:52Philadelphia
11 Feb
PHL12:40Philadelphia
26h 20m
1 stop
SYD07:00Sydney Kingsford Smith
$2,160
United Airlines
20 Apr
SYD09:30Sydney Kingsford Smith
23h 21m
2 stops
PHL18:51Philadelphia
27 Apr
PHL15:40Philadelphia
25h 15m
2 stops
SYD06:55Sydney Kingsford Smith
$2,907
United Airlines
25 Feb
SYD11:50Sydney Kingsford Smith
20h 52m
1 stop
PHL16:42Philadelphia
4 Mar
PHL12:44Philadelphia
26h 16m
1 stop
SYD07:00Sydney Kingsford Smith
$3,046

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 11 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 19/5

11:55-08:00

2 stops34h 05m

Philadelphia

Wed 12/8

12:51-08:45

2 stops29h 54m

$1,635

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 23/2

09:55-14:19

3 stops44h 24m

Philadelphia

Mon 2/3

08:35-12:40

2 stops36h 05m

$1,746

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 3/2

11:20-14:47

2 stops43h 27m

Philadelphia

Wed 11/2

15:30-09:35

2 stops26h 05m

$1,876

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 19/5

09:55-08:00

2 stops36h 05m

Philadelphia

Wed 12/8

10:00-08:45

3 stops32h 45m

$1,895

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 stops26h 05m

$1,946

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 stops26h 05m

$1,949

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 stops26h 05m

$1,960

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/3

10:20-22:46

2 stops27h 26m

Philadelphia

Wed 11/3

07:50-08:35

2 stops33h 45m

$1,994

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 23/2

11:20-21:33

2 stops26h 13m

Philadelphia

Mon 2/3

15:30-09:35

2 stops26h 05m

$2,018

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 7/3

11:20-22:46

2 stops27h 26m

Philadelphia

Thu 21/5

10:05-07:20

2 stops31h 15m

$2,051

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,185.

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 $2,008 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 $1,245 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.

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

20h 55m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 20h 55m
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 55m.

  • 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 $1,150Free cancellationRating
7.9
8,038 reviews
Search Delta flights
United AirlinesPriceFrom $1,196Free cancellationRating
7.4
9,145 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,437Free cancellationRating
7.1
10,610 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,642Free cancellationRating
7.5
968 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,644Free cancellationRating
8.0
569 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,794Free cancellationRating
7.2
11,102 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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