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Cheap flights from Sydney to Philadelphia from $828

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 26/10. 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.
Air Canada Logo
09:20 - 21:34
SYD
-
PHL
50h 14m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
2 stops
$1,383Air Canada
Thu, 13 Aug - Mon, 17 Aug
Air Canada Logo
09:20 - 21:34
SYD
-
PHL
26h 14m
2 stops
Air Canada Logo
10:05 - 07:20
PHL
-
SYD
31h 15m
3 stops
$1,395Air Canada
Thu, 13 Aug - Mon, 17 Aug
United Airlines Logo
09:30 - 20:55
SYD
-
PHL
25h 25m
2 stops
United Airlines Logo
13:24 - 07:00
PHL
-
SYD
27h 36m
2 stops
$1,514United Airlines
Sun, 30 Aug - Wed, 30 Sep
United Airlines Logo
10:20 - 17:30
SYD
-
PHL
21h 10m
1 stop
United Airlines Logo
09:27 - 06:55
PHL
-
SYD
31h 28m
1 stop
$1,514United Airlines
Sun, 30 Aug - Wed, 30 Sep
United Airlines Logo
10:20 - 17:30
SYD
-
PHL
21h 10m
1 stop
United Airlines Logo
11:20 - 06:55
PHL
-
SYD
29h 35m
2 stops
$1,514United Airlines
Sun, 30 Aug - Wed, 30 Sep
American Airlines Logo
09:10 - 16:20
SYD
-
PHL
21h 10m
1 stop
American Airlines Logo
21:55 - 07:05
PHL
-
SYD
43h 10m
1 stop
$1,588American Airlines
Thu, 13 Aug - Mon, 17 Aug
Delta Logo
09:15 - 06:05
SYD
-
PHL
34h 50m
2 stops
Delta Logo
12:29 - 06:50
PHL
-
SYD
28h 21m
2 stops
$1,769Delta
Mon, 7 Sep - Mon, 14 Sep
American Airlines Logo
09:10 - 19:19
SYD
-
PHL
24h 09m
2 stops
American Airlines Logo
17:30 - 07:05
PHL
-
SYD
23h 35m
1 stop
$1,971American Airlines
Mon, 7 Sep - Mon, 14 Sep
Qantas Airways Logo
09:10 - 18:42
SYD
-
PHL
23h 32m
1 stop
Qantas Airways Logo
22:09 - 07:05
PHL
-
SYD
42h 56m
1 stop
$2,580Qantas Airways
Sat, 26 Sep - Fri, 2 Oct
Qantas Airways Logo
09:10 - 18:34
SYD
-
PHL
23h 24m
1 stop
Qantas Airways Logo
16:28 - 08:00
PHL
-
SYD
25h 32m
2 stops
$3,337Qantas Airways
Thu, 13 Aug - Mon, 17 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
30 Aug
SYD09:30Sydney Kingsford Smith
25h 25m
2 stops
PHL20:55Philadelphia
30 Sept
PHL13:24Philadelphia
27h 36m
2 stops
SYD07:00Sydney Kingsford Smith
$1,514
United Airlines
30 Aug
SYD09:30Sydney Kingsford Smith
29h 29m
2 stops
PHL00:59Philadelphia
1 Oct
PHL18:34Philadelphia
22h 21m
1 stop
SYD06:55Sydney Kingsford Smith
$1,582
United Airlines
13 Aug
SYD10:20Sydney Kingsford Smith
27h 24m
2 stops
PHL23:44Philadelphia
17 Aug
PHL18:36Philadelphia
22h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$1,672

Virgin Australia flights from Sydney to Philadelphia

Our best Virgin Australia deals on Sydney to Philadelphia flight tickets
Virgin Australia
25 Aug
SYD10:20Sydney Kingsford Smith
22h 55m
1 stop
PHL19:15Philadelphia
1 Sept
PHL09:27Philadelphia
31h 28m
1 stop
SYD06:55Sydney Kingsford Smith
$1,828
Virgin Australia
30 Aug
SYD10:20Sydney Kingsford Smith
21h 10m
1 stop
PHL17:30Philadelphia
1 Oct
PHL18:34Philadelphia
22h 21m
1 stop
SYD06:55Sydney Kingsford Smith
$1,975

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 28 July 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

Thu 13/8

09:20-21:34

2 stops50h 14m

Philadelphia

Mon 17/8

10:05-07:20

2 stops31h 15m

$1,383

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

09:20-21:34

2 stops26h 14m

Philadelphia

Mon 17/8

10:05-07:20

3 stops31h 15m

$1,395

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 30/8

09:30-20:55

2 stops25h 25m

Philadelphia

Wed 30/9

13:24-07:00

2 stops27h 36m

$1,514

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 30/8

10:20-17:30

1 stop21h 10m

Philadelphia

Wed 30/9

09:27-06:55

1 stop31h 28m

$1,514

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 30/8

10:20-17:30

1 stop21h 10m

Philadelphia

Wed 30/9

11:20-06:55

2 stops29h 35m

$1,514

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

09:10-16:20

1 stop21h 10m

Philadelphia

Mon 17/8

21:55-07:05

1 stop43h 10m

$1,588

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 7/9

09:15-06:05

2 stops34h 50m

Philadelphia

Mon 14/9

12:29-06:50

2 stops28h 21m

$1,769
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 7/9

09:10-19:19

2 stops24h 09m

Philadelphia

Mon 14/9

17:30-07:05

1 stop23h 35m

$1,971

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 26/9

09:10-18:42

1 stop23h 32m

Philadelphia

Fri 2/10

22:09-07:05

1 stop42h 56m

$2,580

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

09:10-18:34

1 stop23h 24m

Philadelphia

Mon 17/8

16:28-08:00

2 stops25h 32m

$3,337

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 July, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,646.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 19% 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 July 2026, prices for Sydney to Philadelphia flights are approximately 19% 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

23h 11m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 23h 11m
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 23h 11m.

  • 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 $609Free cancellationRating
7.4
10,045 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,561Free cancellationRating
7.5
1,068 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,734Free cancellationRating
7.1
11,840 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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