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Cheap flights from Sydney to Philadelphia from $935

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.
Delta Logo
09:15 - 00:59
SYD
-
PHL
29h 44m
2 stops
Delta Logo
14:59 - 06:50
PHL
-
SYD
25h 51m
2 stops
$1,904Delta
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
17:45 - 10:27
SYD
-
PHL
32h 42m
2 stops
Multiple Airlines Logo
10:43 - 07:25
PHL
-
SYD
29h 42m
2 stops
$1,949Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Air Canada Logo
10:25 - 14:47
SYD
-
PHL
43h 22m
2 stops
Air Canada Logo
09:15 - 08:20
PHL
-
SYD
32h 05m
2 stops
$1,954Air Canada
Mon, 23 Mar - Mon, 30 Mar
Delta Logo
09:15 - 05:41
SYD
-
PHL
34h 26m
2 stops
Delta Logo
06:00 - 06:50
PHL
-
SYD
34h 50m
2 stops
$2,097Delta
Tue, 7 Apr - Tue, 14 Apr
Delta Logo
09:15 - 08:46
SYD
-
PHL
37h 31m
2 stops
Delta Logo
07:03 - 06:50
PHL
-
SYD
33h 47m
2 stops
$2,107Delta
Tue, 7 Apr - Tue, 14 Apr
Air Canada Logo
10:25 - 14:47
SYD
-
PHL
43h 22m
2 stops
Air Canada Logo
15:30 - 08:20
PHL
-
SYD
49h 50m
3 stops
$2,233Air Canada
Mon, 23 Mar - Mon, 30 Mar
American Airlines Logo
09:10 - 18:54
SYD
-
PHL
23h 44m
1 stop
American Airlines Logo
08:21 - 07:05
PHL
-
SYD
32h 44m
2 stops
$2,364American Airlines
Mon, 13 Apr - Sun, 26 Apr
Qantas Airways Logo
09:10 - 18:54
SYD
-
PHL
23h 44m
1 stop
Qantas Airways Logo
17:37 - 07:05
PHL
-
SYD
23h 28m
1 stop
$2,373Qantas Airways
Wed, 15 Apr - Wed, 22 Apr
American Airlines Logo
09:10 - 20:23
SYD
-
PHL
25h 13m
1 stop
American Airlines Logo
17:30 - 07:05
PHL
-
SYD
23h 35m
2 stops
$2,380American Airlines
Wed, 15 Apr - Wed, 22 Apr
Air Canada Logo
09:20 - 22:43
SYD
-
PHL
51h 23m
2 stops
Air Canada Logo
09:15 - 07:20
PHL
-
SYD
56h 05m
2 stops
$2,563Air Canada
Mon, 13 Apr - Sun, 26 Apr

Qatar Airways flights from Sydney to Philadelphia

Our best Qatar Airways deals on Sydney to Philadelphia flight tickets
Qatar Airways
2 Mar
SYD21:40Sydney Kingsford Smith
51h 20m
1 stop
PHL09:00Philadelphia
9 Mar
PHL20:45Philadelphia
31h 05m
1 stop
SYD18:50Sydney Kingsford Smith
$2,568
Qatar Airways
2 Mar
SYD21:40Sydney Kingsford Smith
51h 20m
1 stop
PHL09:00Philadelphia
9 Mar
PHL20:45Philadelphia
34h 35m
2 stops
SYD22:20Sydney Kingsford Smith
$2,597
Qatar Airways
13 Apr
SYD20:45Sydney Kingsford Smith
50h 15m
1 stop
PHL09:00Philadelphia
26 Apr
PHL20:30Philadelphia
30h 40m
1 stop
SYD17:10Sydney Kingsford Smith
$2,730

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
13 Apr
SYD09:10Sydney Kingsford Smith
23h 44m
1 stop
PHL18:54Philadelphia
26 Apr
PHL08:21Philadelphia
32h 44m
2 stops
SYD07:05Sydney Kingsford Smith
$2,364
American Airlines
15 Apr
SYD09:10Sydney Kingsford Smith
25h 13m
1 stop
PHL20:23Philadelphia
22 Apr
PHL17:30Philadelphia
23h 35m
2 stops
SYD07:05Sydney Kingsford Smith
$2,380
American Airlines
7 Apr
SYD09:10Sydney Kingsford Smith
21h 22m
1 stop
PHL16:32Philadelphia
14 Apr
PHL17:37Philadelphia
23h 28m
1 stop
SYD07:05Sydney Kingsford Smith
$2,660

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 25 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

Wed 15/4

09:15-00:59

2 stops29h 44m

Philadelphia

Wed 22/4

14:59-06:50

2 stops25h 51m

$1,904

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 2/3

17:45-10:27

2 stops32h 42m

Philadelphia

Mon 9/3

10:43-07:25

2 stops29h 42m

$1,949

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 23/3

10:25-14:47

2 stops43h 22m

Philadelphia

Mon 30/3

09:15-08:20

2 stops32h 05m

$1,954

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 7/4

09:15-05:41

2 stops34h 26m

Philadelphia

Tue 14/4

06:00-06:50

2 stops34h 50m

$2,097

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 7/4

09:15-08:46

2 stops37h 31m

Philadelphia

Tue 14/4

07:03-06:50

2 stops33h 47m

$2,106

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 23/3

10:25-14:47

2 stops43h 22m

Philadelphia

Mon 30/3

15:30-08:20

3 stops49h 50m

$2,233

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 13/4

09:10-18:54

1 stop23h 44m

Philadelphia

Sun 26/4

08:21-07:05

2 stops32h 44m

$2,364

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 15/4

09:10-18:54

1 stop23h 44m

Philadelphia

Wed 22/4

17:37-07:05

1 stop23h 28m

$2,373

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 15/4

09:10-20:23

1 stop25h 13m

Philadelphia

Wed 22/4

17:30-07:05

2 stops23h 35m

$2,380

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 13/4

09:20-22:43

2 stops51h 23m

Philadelphia

Sun 26/4

09:15-07:20

2 stops56h 05m

$2,563

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 $1,123.

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 $1,911 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 $1,109 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 1% 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

44h 41m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 44h 41m
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 44h 41m.

  • 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 $603Free cancellationRating
7.4
9,346 reviews
Search United Airlines flights
DeltaPriceFrom $1,100Free cancellationRating
7.9
8,238 reviews
Search Delta flights
Air CanadaPriceFrom $1,362Free cancellationRating
7.1
10,745 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,558Free cancellationRating
8.0
601 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,562Free cancellationRating
7.5
998 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,700Free cancellationRating
7.2
11,342 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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