Cheap flights from Sydney to Philadelphia from $1,038

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 24/8. 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
1 adult, Economy, 0 bags

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Cheap return flights

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Air New Zealand Logo
11:55 - 22:25
SYD
-
PHL
24h 30m
2 stops
Air New Zealand Logo
09:30 - 10:40
PHL
-
SYD
35h 10m
2 stops
$1,711Air New Zealand
Fri, 24 Apr - Fri, 1 May
Multiple Airlines Logo
09:40 - 18:29
SYD
-
PHL
23h 49m
2 stops
Multiple Airlines Logo
13:20 - 06:50
PHL
-
SYD
27h 30m
2 stops
$2,068Multiple Airlines
Fri, 20 Mar - Sun, 19 Apr
Multiple Airlines Logo
09:40 - 17:38
SYD
-
PHL
22h 58m
2 stops
Multiple Airlines Logo
12:25 - 06:50
PHL
-
SYD
28h 25m
2 stops
$2,084Multiple Airlines
Fri, 20 Mar - Sat, 18 Apr
Qantas Airways Logo
09:10 - 18:25
SYD
-
PHL
23h 15m
1 stop
Qantas Airways Logo
17:43 - 07:05
PHL
-
SYD
23h 22m
1 stop
$2,134Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
09:10 - 18:25
SYD
-
PHL
23h 15m
1 stop
Qantas Airways Logo
17:43 - 07:05
PHL
-
SYD
23h 22m
1 stop
$2,151Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
American Airlines Logo
17:50 - 18:46
SYD
-
PHL
38h 56m
2 stops
American Airlines Logo
15:21 - 07:05
PHL
-
SYD
25h 44m
2 stops
$2,165American Airlines
Fri, 1 May - Tue, 5 May
Qantas Airways Logo
17:50 - 07:00
SYD
-
PHL
27h 10m
1 stop
Qantas Airways Logo
17:43 - 09:35
PHL
-
SYD
25h 52m
2 stops
$2,176Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
09:10 - 18:25
SYD
-
PHL
23h 15m
1 stop
Qantas Airways Logo
17:43 - 09:35
PHL
-
SYD
25h 52m
2 stops
$2,230Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
06:25 - 18:25
SYD
-
PHL
26h 00m
2 stops
Qantas Airways Logo
17:43 - 09:20
PHL
-
SYD
25h 37m
2 stops
$2,274Qantas Airways
Thu, 18 Jun - Sun, 28 Jun
Qantas Airways Logo
06:00 - 18:25
SYD
-
PHL
26h 25m
2 stops
Qantas Airways Logo
17:43 - 09:20
PHL
-
SYD
25h 37m
2 stops
$2,326Qantas Airways
Thu, 18 Jun - Sun, 28 Jun

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
19 Apr
SYD09:15Sydney Kingsford Smith
24h 17m
2 stops
PHL19:32Philadelphia
26 Apr
PHL06:00Philadelphia
34h 50m
2 stops
SYD06:50Sydney Kingsford Smith
$1,937
Delta
27 Mar
SYD09:40Sydney Kingsford Smith
35h 01m
2 stops
PHL05:41Philadelphia
3 Apr
PHL06:05Philadelphia
34h 45m
2 stops
SYD07:50Sydney Kingsford Smith
$1,967
Delta
23 Mar
SYD09:40Sydney Kingsford Smith
28h 31m
2 stops
PHL23:11Philadelphia
19 Apr
PHL15:42Philadelphia
25h 08m
2 stops
SYD06:50Sydney Kingsford Smith
$3,253

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets
American Airlines
1 May
SYD17:50Sydney Kingsford Smith
38h 56m
2 stops
PHL18:46Philadelphia
5 May
PHL15:21Philadelphia
25h 44m
2 stops
SYD07:05Sydney Kingsford Smith
$2,165
American Airlines
1 May
SYD09:10Sydney Kingsford Smith
34h 28m
2 stops
PHL05:38Philadelphia
5 May
PHL18:32Philadelphia
22h 23m
1 stop
SYD06:55Sydney Kingsford Smith
$2,364
American Airlines
1 May
SYD17:50Sydney Kingsford Smith
38h 56m
2 stops
PHL18:46Philadelphia
5 May
PHL15:21Philadelphia
25h 44m
2 stops
SYD07:05Sydney Kingsford Smith
$2,390

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 March 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

Fri 24/4

11:55-22:25

2 stops24h 30m

Philadelphia

Fri 1/5

09:30-10:40

2 stops35h 10m

$1,711

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 20/3

09:40-18:29

2 stops23h 49m

Philadelphia

Sun 19/4

13:20-06:50

2 stops27h 30m

$2,068

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 20/3

09:40-17:38

2 stops22h 58m

Philadelphia

Sat 18/4

12:25-06:50

2 stops28h 25m

$2,084
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:25

1 stop23h 15m

Philadelphia

Sun 28/6

17:43-07:05

1 stop23h 22m

$2,134

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:25

1 stop23h 15m

Philadelphia

Sun 28/6

17:43-07:05

1 stop23h 22m

$2,151

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 1/5

17:50-18:46

2 stops38h 56m

Philadelphia

Tue 5/5

15:21-07:05

2 stops25h 44m

$2,165

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

17:50-07:00

1 stop27h 10m

Philadelphia

Sun 28/6

17:43-09:35

2 stops25h 52m

$2,176

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:25

1 stop23h 15m

Philadelphia

Sun 28/6

17:43-09:35

2 stops25h 52m

$2,230

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

06:25-18:25

2 stops26h 00m

Philadelphia

Sun 28/6

17:43-09:20

2 stops25h 37m

$2,274

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

06:00-18:25

2 stops26h 25m

Philadelphia

Sun 28/6

17:43-09:20

2 stops25h 37m

$2,326

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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,621.

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 $1,994 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 $1,622 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 3% 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 March 2026, prices for Sydney to Philadelphia flights are approximately 0% 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

22h 58m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 22h 58m
There are no direct flights from Sydney to Philadelphia. There are no popular flight routes 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 22h 58m.

  • 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 $599Free cancellationRating
7.4
9,409 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,353Free cancellationRating
7.1
10,800 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,547Free cancellationRating
8.0
608 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,552Free cancellationRating
7.5
1,002 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,688Free cancellationRating
7.1
11,414 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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1 adult
Fri 10/4
Fri 17/4

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