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Cheap flights from Sydney to Philadelphia from $657

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 6/5. 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
09:20 - 21:33
SYD
-
PHL
26h 13m
2 stops
Air Canada Logo
16:20 - 07:20
PHL
-
SYD
49h 00m
2 stops
$1,409Air Canada
tir., 16 juni - man., 6 juli
Air Canada Logo
09:20 - 14:48
SYD
-
PHL
43h 28m
3 stops
Air Canada Logo
16:20 - 07:20
PHL
-
SYD
49h 00m
2 stops
$1,464Air Canada
tir., 16 juni - man., 6 juli
Air Canada Logo
09:20 - 14:49
SYD
-
PHL
43h 29m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,591Air Canada
tor., 18 juni - søn., 28 juni
Air Canada Logo
09:20 - 14:49
SYD
-
PHL
43h 29m
3 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,604Air Canada
tor., 18 juni - søn., 28 juni
American Airlines Logo
11:20 - 22:59
SYD
-
PHL
26h 39m
1 stop
American Airlines Logo
19:00 - 08:05
PHL
-
SYD
22h 05m
1 stop
$1,624American Airlines
ons., 25 mar. - ons., 1 apr.
American Airlines Logo
11:20 - 19:48
SYD
-
PHL
23h 28m
2 stops
American Airlines Logo
17:15 - 08:05
PHL
-
SYD
23h 50m
2 stops
$1,631American Airlines
ons., 25 mar. - ons., 1 apr.
United Airlines Logo
12:10 - 23:32
SYD
-
PHL
26h 22m
3 stops
United Airlines Logo
12:55 - 08:00
PHL
-
SYD
28h 05m
2 stops
$1,639United Airlines
ons., 25 mar. - ons., 1 apr.
United Airlines Logo
10:20 - 01:26
SYD
-
PHL
29h 06m
1 stop
United Airlines Logo
12:52 - 07:00
PHL
-
SYD
28h 08m
2 stops
$1,649United Airlines
tir., 16 juni - man., 6 juli
Qantas Airways Logo
17:45 - 05:51
SYD
-
PHL
27h 06m
1 stop
Qantas Airways Logo
14:18 - 08:05
PHL
-
SYD
26h 47m
1 stop
$1,689Qantas Airways
tor., 26 mar. - tor., 2 apr.
Delta Logo
13:15 - 05:41
SYD
-
PHL
31h 26m
2 stops
Delta Logo
12:26 - 07:50
PHL
-
SYD
28h 24m
2 stops
$1,723Delta
tor., 26 mar. - tor., 2 apr.

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
19 Feb
SYD11:20Sydney Kingsford Smith
43h 27m
2 stops
PHL14:47Philadelphia
23 Feb
PHL07:50Philadelphia
33h 45m
2 stops
SYD09:35Sydney Kingsford Smith
$1,379
Air Canada
19 Feb
SYD11:20Sydney Kingsford Smith
43h 27m
3 stops
PHL14:47Philadelphia
23 Feb
PHL07:50Philadelphia
33h 45m
2 stops
SYD09:35Sydney Kingsford Smith
$1,391
Air Canada
16 June
SYD09:20Sydney Kingsford Smith
26h 13m
2 stops
PHL21:33Philadelphia
6 July
PHL16:20Philadelphia
49h 00m
2 stops
SYD07:20Sydney Kingsford Smith
$1,409

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
26 Mar
SYD13:15Sydney Kingsford Smith
31h 26m
2 stops
PHL05:41Philadelphia
2 Apr
PHL12:26Philadelphia
28h 24m
2 stops
SYD07:50Sydney Kingsford Smith
$1,723
Delta
28 Mar
SYD09:40Sydney Kingsford Smith
22h 48m
2 stops
PHL17:28Philadelphia
11 Apr
PHL06:05Philadelphia
34h 45m
2 stops
SYD06:50Sydney Kingsford Smith
$1,969
Delta
18 June
SYD09:15Sydney Kingsford Smith
29h 10m
2 stops
PHL00:25Philadelphia
28 June
PHL06:45Philadelphia
34h 05m
2 stops
SYD06:50Sydney Kingsford Smith
$2,284

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 februar 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

tir. 16/6

09:20-21:33

2 stops26h 13m

Philadelphia

man. 6/7

16:20-07:20

2 stops49h 00m

$1,409

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

tir. 16/6

09:20-14:48

3 stops43h 28m

Philadelphia

man. 6/7

16:20-07:20

2 stops49h 00m

$1,464

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

tor. 18/6

09:20-14:49

2 stops43h 29m

Philadelphia

søn. 28/6

10:05-07:20

2 stops31h 15m

$1,591

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

tor. 18/6

09:20-14:49

3 stops43h 29m

Philadelphia

søn. 28/6

10:05-07:20

2 stops31h 15m

$1,604

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

ons. 25/3

11:20-22:59

1 stop26h 39m

Philadelphia

ons. 1/4

19:00-08:05

1 stop22h 05m

$1,624

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

ons. 25/3

11:20-19:48

2 stops23h 28m

Philadelphia

ons. 1/4

17:15-08:05

2 stops23h 50m

$1,631

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

ons. 25/3

12:10-23:32

3 stops26h 22m

Philadelphia

ons. 1/4

12:55-08:00

2 stops28h 05m

$1,639

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

tir. 16/6

10:20-01:26

1 stop29h 06m

Philadelphia

man. 6/7

12:52-07:00

2 stops28h 08m

$1,649

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

tor. 26/3

17:45-05:51

1 stop27h 06m

Philadelphia

tor. 2/4

14:18-08:05

1 stop26h 47m

$1,689

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

tor. 26/3

13:15-05:41

2 stops31h 26m

Philadelphia

tor. 2/4

12:26-07:50

2 stops28h 24m

$1,723

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 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 $1,121.

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 $1,907 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 $1,107 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 February 2026, prices for Sydney to Philadelphia flights are approximately 32% more expensive 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

27h 06m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 27h 06m
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 27h 06m.

  • 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 $602Free cancellationRating
7.4
9,274 reviews
Search United Airlines flights
DeltaPriceFrom $1,088Free cancellationRating
7.9
8,175 reviews
Search Delta flights
Air CanadaPriceFrom $1,356Free cancellationRating
7.1
10,707 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,546Free cancellationRating
7.5
988 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,554Free cancellationRating
8.0
582 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,696Free cancellationRating
7.2
11,266 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

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