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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
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,732Air Canada
Mon, 25 May - Tue, 16 Jun
American Airlines Logo
09:10 - 18:25
SYD
-
PHL
23h 15m
1 stop
American Airlines Logo
17:43 - 07:05
PHL
-
SYD
23h 22m
1 stop
$1,745American Airlines
Mon, 25 May - Tue, 16 Jun
American Airlines Logo
06:25 - 18:25
SYD
-
PHL
26h 00m
2 stops
American Airlines Logo
17:43 - 07:05
PHL
-
SYD
23h 22m
1 stop
$1,777American Airlines
Mon, 25 May - Tue, 16 Jun
American Airlines Logo
11:20 - 19:42
SYD
-
PHL
23h 22m
1 stop
American Airlines Logo
11:15 - 07:05
PHL
-
SYD
29h 50m
1 stop
$1,820American Airlines
Fri, 27 Mar - Sun, 12 Apr
Multiple Airlines Logo
11:20 - 16:14
SYD
-
PHL
44h 54m
2 stops
Multiple Airlines Logo
05:05 - 09:00
PHL
-
SYD
36h 55m
2 stops
$1,828Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
American Airlines Logo
11:20 - 23:50
SYD
-
PHL
28h 30m
1 stop
American Airlines Logo
09:28 - 09:00
PHL
-
SYD
32h 32m
1 stop
$1,832American Airlines
Fri, 6 Mar - Mon, 23 Mar
American Airlines Logo
11:20 - 17:44
SYD
-
PHL
22h 24m
2 stops
American Airlines Logo
09:28 - 09:00
PHL
-
SYD
32h 32m
1 stop
$1,838American Airlines
Fri, 6 Mar - Mon, 23 Mar
Air Canada Logo
09:20 - 09:49
SYD
-
PHL
38h 29m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,856Air Canada
Thu, 18 Jun - Sun, 28 Jun
Air Canada Logo
09:20 - 09:49
SYD
-
PHL
38h 29m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
55h 15m
2 stops
$1,858Air Canada
Thu, 18 Jun - Sun, 28 Jun
American Airlines Logo
11:20 - 05:51
SYD
-
PHL
33h 31m
1 stop
American Airlines Logo
16:33 - 08:05
PHL
-
SYD
24h 32m
2 stops
$1,879American Airlines
Tue, 17 Mar - Tue, 31 Mar

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets
Air Canada
25 May
SYD09:20Sydney Kingsford Smith
26h 13m
2 stops
PHL21:33Philadelphia
16 June
PHL10:05Philadelphia
55h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,732
Air Canada
18 June
SYD09:20Sydney Kingsford Smith
38h 29m
2 stops
PHL09:49Philadelphia
28 June
PHL10:05Philadelphia
55h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,856
Air Canada
18 June
SYD09:20Sydney Kingsford Smith
38h 29m
2 stops
PHL09:49Philadelphia
28 June
PHL10:05Philadelphia
55h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,858

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
28 Mar
SYD17:45Sydney Kingsford Smith
27h 06m
1 stop
PHL05:51Philadelphia
11 Apr
PHL15:43Philadelphia
25h 22m
1 stop
SYD07:05Sydney Kingsford Smith
$1,958
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 15m
1 stop
PHL18:25Philadelphia
28 June
PHL17:43Philadelphia
23h 47m
1 stop
SYD07:30Sydney Kingsford Smith
$2,501
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 15m
1 stop
PHL18:25Philadelphia
28 June
PHL17:43Philadelphia
23h 47m
1 stop
SYD07:30Sydney Kingsford Smith
$2,508

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 14 February 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

Mon 25/5

09:20-21:33

2 stops26h 13m

Philadelphia

Tue 16/6

10:05-07:20

2 stops55h 15m

$1,732

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

09:10-18:25

1 stop23h 15m

Philadelphia

Tue 16/6

17:43-07:05

1 stop23h 22m

$1,745

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

06:25-18:25

2 stops26h 00m

Philadelphia

Tue 16/6

17:43-07:05

1 stop23h 22m

$1,777

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 27/3

11:20-19:42

1 stop23h 22m

Philadelphia

Sun 12/4

11:15-07:05

1 stop29h 50m

$1,820

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 5/3

11:20-16:14

2 stops44h 54m

Philadelphia

Thu 12/3

05:05-09:00

2 stops36h 55m

$1,828

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-23:50

1 stop28h 30m

Philadelphia

Mon 23/3

09:28-09:00

1 stop32h 32m

$1,832

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-17:44

2 stops22h 24m

Philadelphia

Mon 23/3

09:28-09:00

1 stop32h 32m

$1,838

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:20-09:49

2 stops38h 29m

Philadelphia

Sun 28/6

10:05-07:20

2 stops55h 15m

$1,856

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:20-09:49

2 stops38h 29m

Philadelphia

Sun 28/6

10:05-07:20

2 stops55h 15m

$1,858

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 17/3

11:20-05:51

1 stop33h 31m

Philadelphia

Tue 31/3

16:33-08:05

2 stops24h 32m

$1,879

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 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 $1,121.

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

23h 15m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 23h 15m
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 23h 15m.

  • 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
9,286 reviews
Search United Airlines flights
DeltaPriceFrom $1,088Free cancellationRating
7.9
8,196 reviews
Search Delta flights
Air CanadaPriceFrom $1,357Free cancellationRating
7.1
10,717 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,546Free cancellationRating
7.5
989 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,555Free cancellationRating
8.0
582 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,697Free cancellationRating
7.2
11,281 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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