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Cheap flights from Sydney to Philadelphia from $1,161

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 1/3. 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.
Air New Zealand Logo
09:55 - 11:35
SYD
-
PHL
41h 40m2 stops
Air New Zealand Logo
12:34 - 10:30
PHL
-
SYD
29h 56m2 stops
$1,653Air New Zealand
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
09:55 - 14:31
SYD
-
PHL
44h 36m3 stops
Multiple Airlines Logo
12:34 - 10:30
PHL
-
SYD
29h 56m2 stops
$1,961Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Air Canada Logo
10:20 - 22:46
SYD
-
PHL
27h 26m2 stops
Air Canada Logo
09:15 - 07:20
PHL
-
SYD
32h 05m2 stops
$2,039Air Canada
Sat, 14 Mar - Wed, 22 Apr
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
26h 05m2 stops
$2,080Air Canada
Wed, 25 Feb - Sun, 1 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
$2,082Air Canada
Wed, 25 Feb - Sun, 1 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
$2,085Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m2 stops
Air Canada Logo
07:50 - 09:35
PHL
-
SYD
33h 45m2 stops
$2,161Air Canada
Fri, 23 Jan - Fri, 30 Jan
Multiple Airlines Logo
21:30 - 14:53
SYD
-
PHL
33h 23m2 stops
Multiple Airlines Logo
14:30 - 09:00
PHL
-
SYD
26h 30m1 stop
$2,220Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
Air Canada Logo
10:20 - 14:47
SYD
-
PHL
43h 27m3 stops
Air Canada Logo
09:15 - 07:20
PHL
-
SYD
32h 05m2 stops
$2,230Air Canada
Sat, 14 Mar - Wed, 22 Apr
Air Canada Logo
11:20 - 14:47
SYD
-
PHL
43h 27m3 stops
Air Canada Logo
15:30 - 09:35
PHL
-
SYD
50h 05m3 stops
$2,273Air Canada
Sun, 25 Jan - Sun, 1 Feb

Air New Zealand flights from Sydney to Philadelphia

Our best Air New Zealand deals on Sydney to Philadelphia flight tickets
Air New Zealand
25 Jan
SYD09:55Sydney Kingsford Smith
41h 40m
2 stops
PHL11:35Philadelphia
1 Feb
PHL12:34Philadelphia
29h 56m
2 stops
SYD10:30Sydney Kingsford Smith
$1,653
Find similar
Air New Zealand
25 Jan
SYD11:45Sydney Kingsford Smith
39h 50m
2 stops
PHL11:35Philadelphia
1 Feb
PHL12:34Philadelphia
28h 11m
2 stops
SYD08:45Sydney Kingsford Smith
$1,892
Find similar
Air New Zealand
8 June
SYD11:55Sydney Kingsford Smith
33h 50m
2 stops
PHL07:45Philadelphia
8 July
PHL12:51Philadelphia
31h 49m
2 stops
SYD10:40Sydney Kingsford Smith
$2,309
Find similar

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
14 Mar
SYD10:20Sydney Kingsford Smith
27h 26m
2 stops
PHL22:46Philadelphia
22 Apr
PHL09:15Philadelphia
32h 05m
2 stops
SYD07:20Sydney Kingsford Smith
$2,039
Find similar
Air Canada
25 Feb
SYD11:20Sydney Kingsford Smith
43h 27m
2 stops
PHL14:47Philadelphia
1 Mar
PHL15:30Philadelphia
26h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$2,080
Find similar
Air Canada
25 Feb
SYD11:20Sydney Kingsford Smith
43h 27m
2 stops
PHL14:47Philadelphia
1 Mar
PHL15:30Philadelphia
26h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$2,082
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 11 December 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

Sun 25/1

09:55-11:35

2 stops41h 40m

Philadelphia

Sun 1/2

12:34-10:30

2 stops29h 56m

$1,653

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 25/1

09:55-14:31

3 stops44h 36m

Philadelphia

Sun 1/2

12:34-10:30

2 stops29h 56m

$1,961

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 14/3

10:20-22:46

2 stops27h 26m

Philadelphia

Wed 22/4

09:15-07:20

2 stops32h 05m

$2,039

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 25/2

11:20-14:47

2 stops43h 27m

Philadelphia

Sun 1/3

15:30-09:35

2 stops26h 05m

$2,080

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 25/2

11:20-14:47

2 stops43h 27m

Philadelphia

Sun 1/3

15:30-09:35

2 stops26h 05m

$2,082

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 25/2

11:20-14:47

2 stops43h 27m

Philadelphia

Sun 1/3

15:30-09:35

2 stops26h 05m

$2,085

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 23/1

11:20-14:47

2 stops43h 27m

Philadelphia

Fri 30/1

07:50-09:35

2 stops33h 45m

$2,161

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 23/1

21:30-14:53

2 stops33h 23m

Philadelphia

Fri 30/1

14:30-09:00

1 stop26h 30m

$2,220

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 14/3

10:20-14:47

3 stops43h 27m

Philadelphia

Wed 22/4

09:15-07:20

2 stops32h 05m

$2,230

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 25/1

11:20-14:47

3 stops43h 27m

Philadelphia

Sun 1/2

15:30-09:35

3 stops50h 05m

$2,272

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,194.

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 $1,942. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,436. 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 $1,639 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 $2,307.

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 $2,017 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 $1,253 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

Fastest flight time

22h 10m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 22h 10m
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 22h 10m.

  • 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 $1,158Free cancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $1,204Free cancellationRating
7.4
9,094 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,446Free cancellationRating
7.1
10,514 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,653Free cancellationRating
7.5
947 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,654Free cancellationRating
8.0
552 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,762Free cancellationRating
7.2
11,048 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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