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Cheap flights from Sydney to Philadelphia from $850

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 5/9. 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.
Multiple Airlines Logo
13:15 - 05:37
SYD
-
PHL
54h 22m
3 stops
Multiple Airlines Logo
10:40 - 11:50
PHL
-
SYD
35h 10m
3 stops
$1,590Multiple Airlines
Sun, 24 May - Sun, 31 May
Multiple Airlines Logo
17:50 - 00:40
SYD
-
PHL
44h 50m
2 stops
Multiple Airlines Logo
07:00 - 07:30
PHL
-
SYD
34h 30m
2 stops
$1,884Multiple Airlines
Mon, 25 May - Mon, 1 Jun
Multiple Airlines Logo
09:10 - 05:37
SYD
-
PHL
58h 27m
2 stops
Multiple Airlines Logo
05:21 - 07:05
PHL
-
SYD
35h 44m
2 stops
$1,906Multiple Airlines
Sun, 24 May - Sun, 31 May
Delta Logo
09:15 - 22:50
SYD
-
PHL
27h 35m
2 stops
Delta Logo
12:07 - 06:50
PHL
-
SYD
28h 43m
2 stops
$2,003Delta
Wed, 6 May - Wed, 27 May
Delta Logo
09:15 - 19:27
SYD
-
PHL
24h 12m
2 stops
Delta Logo
10:32 - 06:50
PHL
-
SYD
30h 18m
2 stops
$2,004Delta
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
17:50 - 00:40
SYD
-
PHL
44h 50m
2 stops
Multiple Airlines Logo
19:50 - 07:30
PHL
-
SYD
45h 40m
1 stop
$2,017Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
17:50 - 05:37
SYD
-
PHL
25h 47m
2 stops
Multiple Airlines Logo
19:50 - 07:30
PHL
-
SYD
45h 40m
1 stop
$2,029Multiple Airlines
Mon, 25 May - Mon, 1 Jun
Delta Logo
09:15 - 18:06
SYD
-
PHL
22h 51m
2 stops
Delta Logo
12:07 - 06:50
PHL
-
SYD
28h 43m
2 stops
$2,063Delta
Thu, 7 May - Thu, 14 May
Delta Logo
09:15 - 23:59
SYD
-
PHL
28h 44m
2 stops
Delta Logo
05:40 - 06:50
PHL
-
SYD
35h 10m
2 stops
$2,354Delta
Thu, 11 Jun - Sun, 21 Jun
Delta Logo
09:15 - 08:44
SYD
-
PHL
37h 29m
2 stops
Delta Logo
14:33 - 06:50
PHL
-
SYD
26h 17m
2 stops
$2,358Delta
Thu, 11 Jun - Sun, 21 Jun

Virgin Australia flights from Sydney to Philadelphia

Our best Virgin Australia deals on Sydney to Philadelphia flight tickets
Virgin Australia
25 May
SYD10:20Sydney Kingsford Smith
35h 30m
1 stop
PHL07:50Philadelphia
1 June
PHL18:23Philadelphia
22h 32m
1 stop
SYD06:55Sydney Kingsford Smith
$2,747
Virgin Australia
6 May
SYD10:20Sydney Kingsford Smith
20h 39m
1 stop
PHL16:59Philadelphia
27 May
PHL18:23Philadelphia
22h 32m
1 stop
SYD06:55Sydney Kingsford Smith
$2,750
Virgin Australia
27 May
SYD10:20Sydney Kingsford Smith
35h 30m
1 stop
PHL07:50Philadelphia
3 June
PHL06:00Philadelphia
34h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$2,753

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
18 June
SYD09:10Sydney Kingsford Smith
21h 17m
1 stop
PHL16:27Philadelphia
28 June
PHL17:35Philadelphia
23h 30m
2 stops
SYD07:05Sydney Kingsford Smith
$2,696
American Airlines
18 June
SYD09:10Sydney Kingsford Smith
23h 44m
2 stops
PHL18:54Philadelphia
28 June
PHL17:35Philadelphia
23h 30m
2 stops
SYD07:05Sydney Kingsford Smith
$2,699
American Airlines
18 June
SYD09:10Sydney Kingsford Smith
23h 44m
2 stops
PHL18:54Philadelphia
28 June
PHL16:22Philadelphia
24h 43m
2 stops
SYD07:05Sydney Kingsford Smith
$2,704

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 13 April 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

Cheapest return flight

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 24/5

13:15-05:37

3 stops54h 22m

Philadelphia

Sun 31/5

10:40-11:50

3 stops35h 10m

$1,590

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

17:50-00:40

2 stops44h 50m

Philadelphia

Mon 1/6

07:00-07:30

2 stops34h 30m

$1,884

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 24/5

09:10-05:37

2 stops58h 27m

Philadelphia

Sun 31/5

05:21-07:05

2 stops35h 44m

$1,906

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 6/5

09:15-22:50

2 stops27h 35m

Philadelphia

Wed 27/5

12:07-06:50

2 stops28h 43m

$2,003

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 27/5

09:15-19:27

2 stops24h 12m

Philadelphia

Wed 3/6

10:32-06:50

2 stops30h 18m

$2,004

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 27/5

17:50-00:40

2 stops44h 50m

Philadelphia

Wed 3/6

19:50-07:30

1 stop45h 40m

$2,017

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

17:50-05:37

2 stops25h 47m

Philadelphia

Mon 1/6

19:50-07:30

1 stop45h 40m

$2,029
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 7/5

09:15-18:06

2 stops22h 51m

Philadelphia

Thu 14/5

12:07-06:50

2 stops28h 43m

$2,063

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 11/6

09:15-23:59

2 stops28h 44m

Philadelphia

Sun 21/6

05:40-06:50

2 stops35h 10m

$2,354

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 11/6

09:15-08:44

2 stops37h 29m

Philadelphia

Sun 21/6

14:33-06:50

2 stops26h 17m

$2,358

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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,631.

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 $2,072 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 $1,633 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 7% 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 April 2026, prices for Sydney to Philadelphia flights are approximately 10% 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

24h 12m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 24h 12m
There are no direct flights from Sydney to Philadelphia. There are no popular flight routes from Sydney to Philadelphia.
Search flight deals

Frequently asked questions about flying from Sydney to Philadelphia

  • 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 24h 12m.

  • 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
9,579 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,362Free cancellationRating
7.1
10,916 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,562Free cancellationRating
7.5
1,018 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,700Free cancellationRating
7.1
11,565 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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