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Cheap flights from Sydney to Philadelphia from $889

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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
06:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,437United Airlines
Mon, 27 Jul - Mon, 3 Aug
Qantas Airways Logo
17:50 - 20:09
SYD
-
PHL
40h 19m
1 stop
Qantas Airways Logo
16:56 - 06:55
PHL
-
SYD
23h 59m
2 stops
$1,471Qantas Airways
Sat, 15 Aug - Mon, 17 Aug
Delta Logo
09:15 - 05:29
SYD
-
PHL
34h 14m
2 stops
Delta Logo
06:05 - 06:50
PHL
-
SYD
34h 45m
2 stops
$1,668Delta
Tue, 28 Jul - Tue, 4 Aug
Delta Logo
09:40 - 23:40
SYD
-
PHL
29h 00m
2 stops
Delta Logo
13:00 - 08:30
PHL
-
SYD
27h 30m
2 stops
$1,669Delta
Thu, 29 Oct - Mon, 2 Nov
American Airlines Logo
09:10 - 14:26
SYD
-
PHL
43h 16m
1 stop
American Airlines Logo
16:56 - 06:55
PHL
-
SYD
23h 59m
2 stops
$1,703American Airlines
Thu, 6 Aug - Mon, 10 Aug
Virgin Australia Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
Virgin Australia Logo
09:25 - 06:55
PHL
-
SYD
31h 30m
1 stop
$1,704Virgin Australia
Tue, 21 Jul - Tue, 28 Jul
Qantas Airways Logo
17:50 - 15:21
SYD
-
PHL
35h 31m
1 stop
Qantas Airways Logo
12:57 - 06:55
PHL
-
SYD
27h 58m
1 stop
$1,782Qantas Airways
Sat, 15 Aug - Mon, 17 Aug
United Airlines Logo
09:30 - 01:23
SYD
-
PHL
29h 53m
2 stops
United Airlines Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,798United Airlines
Thu, 6 Aug - Mon, 10 Aug
United Airlines Logo
09:30 - 22:29
SYD
-
PHL
26h 59m
2 stops
United Airlines Logo
13:31 - 07:00
PHL
-
SYD
27h 29m
2 stops
$1,806United Airlines
Thu, 6 Aug - Mon, 10 Aug
United Airlines Logo
09:30 - 01:23
SYD
-
PHL
29h 53m
2 stops
United Airlines Logo
18:19 - 06:55
PHL
-
SYD
22h 36m
1 stop
$1,808United Airlines
Thu, 6 Aug - Mon, 10 Aug

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United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
22 June
SYD10:20Sydney Kingsford Smith
29h 09m
1 stop
PHL01:29Philadelphia
29 June
PHL18:23Philadelphia
22h 32m
1 stop
SYD06:55Sydney Kingsford Smith
$1,432
United Airlines
22 June
SYD10:20Sydney Kingsford Smith
29h 09m
1 stop
PHL01:29Philadelphia
5 July
PHL06:00Philadelphia
34h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$1,433
United Airlines
27 July
SYD10:20Sydney Kingsford Smith
20h 57m
1 stop
PHL17:17Philadelphia
3 Aug
PHL06:00Philadelphia
34h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$1,437

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
15 Aug
SYD17:50Sydney Kingsford Smith
40h 19m
1 stop
PHL20:09Philadelphia
17 Aug
PHL16:56Philadelphia
23h 59m
2 stops
SYD06:55Sydney Kingsford Smith
$1,471
Qantas Airways
15 Aug
SYD17:50Sydney Kingsford Smith
35h 31m
1 stop
PHL15:21Philadelphia
17 Aug
PHL12:57Philadelphia
27h 58m
1 stop
SYD06:55Sydney Kingsford Smith
$1,782
Qantas Airways
28 July
SYD09:10Sydney Kingsford Smith
23h 31m
1 stop
PHL18:41Philadelphia
4 Aug
PHL18:01Philadelphia
23h 04m
1 stop
SYD07:05Sydney Kingsford Smith
$2,787

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 16 June 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

Mon 27/7

10:20-17:17

1 stop20h 57m

Philadelphia

Mon 3/8

06:00-06:55

1 stop34h 55m

$1,437

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 15/8

17:50-20:09

1 stop40h 19m

Philadelphia

Mon 17/8

16:56-06:55

2 stops23h 59m

$1,471

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/7

09:15-05:29

2 stops34h 14m

Philadelphia

Tue 4/8

06:05-06:50

2 stops34h 45m

$1,668

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 29/10

09:40-23:40

2 stops29h 00m

Philadelphia

Mon 2/11

13:00-08:30

2 stops27h 30m

$1,669

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:10-14:26

1 stop43h 16m

Philadelphia

Mon 10/8

16:56-06:55

2 stops23h 59m

$1,703

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

09:25-06:55

1 stop31h 30m

$1,704

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 15/8

17:50-15:21

1 stop35h 31m

Philadelphia

Mon 17/8

12:57-06:55

1 stop27h 58m

$1,782
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:30-01:23

2 stops29h 53m

Philadelphia

Mon 10/8

18:23-06:55

1 stop22h 32m

$1,798

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:30-22:29

2 stops26h 59m

Philadelphia

Mon 10/8

13:31-07:00

2 stops27h 29m

$1,806

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:30-01:23

2 stops29h 53m

Philadelphia

Mon 10/8

18:19-06:55

1 stop22h 36m

$1,808

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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,767.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 37% 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 June 2026, prices for Sydney to Philadelphia flights are approximately 13% 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

26h 59m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 26h 59m
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 26h 59m.

  • 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
Air CanadaPriceFrom $1,480Free cancellationRating
7.1
11,197 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,553Free cancellationRating
7.5
1,047 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,715Free cancellationRating
7.1
11,667 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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