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Cheap flights from Sydney to Philadelphia from $862

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 26/8. 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
09:30 - 19:25
SYD
-
PHL
23h 55m
2 stops
United Airlines Logo
09:27 - 06:55
PHL
-
SYD
31h 28m
1 stop
$1,512United Airlines
Sat, 15 Aug - Tue, 1 Sep
Multiple Airlines Logo
13:15 - 14:34
SYD
-
PHL
39h 19m
3 stops
Multiple Airlines Logo
08:15 - 11:50
PHL
-
SYD
37h 35m
3 stops
$1,551Multiple Airlines
Tue, 11 Aug - Wed, 19 Aug
Multiple Airlines Logo
13:15 - 12:26
SYD
-
PHL
37h 11m
3 stops
Multiple Airlines Logo
10:37 - 11:50
PHL
-
SYD
35h 13m
3 stops
$1,642Multiple Airlines
Fri, 4 Sep - Fri, 11 Sep
Delta Logo
09:15 - 23:26
SYD
-
PHL
28h 11m
2 stops
Delta Logo
18:59 - 06:50
PHL
-
SYD
45h 51m
2 stops
$1,651Delta
Tue, 4 Aug - Sat, 15 Aug
United Airlines Logo
09:30 - 18:53
SYD
-
PHL
23h 23m
2 stops
United Airlines Logo
13:06 - 06:55
PHL
-
SYD
27h 49m
2 stops
$1,668United Airlines
Thu, 13 Aug - Mon, 17 Aug
United Airlines Logo
09:30 - 21:43
SYD
-
PHL
26h 13m
2 stops
United Airlines Logo
13:30 - 06:55
PHL
-
SYD
27h 25m
2 stops
$1,669United Airlines
Thu, 13 Aug - Mon, 17 Aug
Delta Logo
09:15 - 23:56
SYD
-
PHL
28h 41m
2 stops
Delta Logo
15:58 - 06:50
PHL
-
SYD
24h 52m
2 stops
$1,693Delta
Tue, 11 Aug - Wed, 19 Aug
Virgin Australia Logo
10:20 - 19:15
SYD
-
PHL
22h 55m
1 stop
Virgin Australia Logo
18:36 - 06:55
PHL
-
SYD
22h 19m
1 stop
$1,738Virgin Australia
Tue, 11 Aug - Wed, 19 Aug
Virgin Australia Logo
10:20 - 07:49
SYD
-
PHL
35h 29m
1 stop
Virgin Australia Logo
18:36 - 06:55
PHL
-
SYD
22h 19m
1 stop
$1,739Virgin Australia
Tue, 11 Aug - Wed, 19 Aug
United Airlines Logo
09:30 - 18:53
SYD
-
PHL
23h 23m
2 stops
United Airlines Logo
10:30 - 06:55
PHL
-
SYD
30h 25m
2 stops
$1,745United Airlines
Thu, 13 Aug - Mon, 17 Aug

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Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
4 Aug
SYD09:15Sydney Kingsford Smith
28h 11m
2 stops
PHL23:26Philadelphia
15 Aug
PHL18:59Philadelphia
45h 51m
2 stops
SYD06:50Sydney Kingsford Smith
$1,651
Delta
11 Aug
SYD09:15Sydney Kingsford Smith
28h 41m
2 stops
PHL23:56Philadelphia
19 Aug
PHL15:58Philadelphia
24h 52m
2 stops
SYD06:50Sydney Kingsford Smith
$1,693
Delta
4 Sept
SYD09:15Sydney Kingsford Smith
28h 41m
2 stops
PHL23:56Philadelphia
11 Sept
PHL05:45Philadelphia
35h 05m
2 stops
SYD06:50Sydney Kingsford Smith
$1,869

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
15 Aug
SYD09:30Sydney Kingsford Smith
23h 55m
2 stops
PHL19:25Philadelphia
1 Sept
PHL09:27Philadelphia
31h 28m
1 stop
SYD06:55Sydney Kingsford Smith
$1,512
United Airlines
13 Aug
SYD09:30Sydney Kingsford Smith
23h 23m
2 stops
PHL18:53Philadelphia
17 Aug
PHL13:06Philadelphia
27h 49m
2 stops
SYD06:55Sydney Kingsford Smith
$1,668
United Airlines
13 Aug
SYD09:30Sydney Kingsford Smith
26h 13m
2 stops
PHL21:43Philadelphia
17 Aug
PHL13:30Philadelphia
27h 25m
2 stops
SYD06:55Sydney Kingsford Smith
$1,669

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 22 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

Sat 15/8

09:30-19:25

2 stops23h 55m

Philadelphia

Tue 1/9

09:27-06:55

1 stop31h 28m

$1,512

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

13:15-14:34

3 stops39h 19m

Philadelphia

Wed 19/8

08:15-11:50

3 stops37h 35m

$1,551

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 4/9

13:15-12:26

3 stops37h 11m

Philadelphia

Fri 11/9

10:37-11:50

3 stops35h 13m

$1,642

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 4/8

09:15-23:26

2 stops28h 11m

Philadelphia

Sat 15/8

18:59-06:50

2 stops45h 51m

$1,651

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

09:30-18:53

2 stops23h 23m

Philadelphia

Mon 17/8

13:06-06:55

2 stops27h 49m

$1,668

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

09:30-21:43

2 stops26h 13m

Philadelphia

Mon 17/8

13:30-06:55

2 stops27h 25m

$1,669

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

09:15-23:56

2 stops28h 41m

Philadelphia

Wed 19/8

15:58-06:50

2 stops24h 52m

$1,693
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

10:20-19:15

1 stop22h 55m

Philadelphia

Wed 19/8

18:36-06:55

1 stop22h 19m

$1,738

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 11/8

10:20-07:49

1 stop35h 29m

Philadelphia

Wed 19/8

18:36-06:55

1 stop22h 19m

$1,739

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 13/8

09:30-18:53

2 stops23h 23m

Philadelphia

Mon 17/8

10:30-06:55

2 stops30h 25m

$1,745

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 $1,644.

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 23m

Direct flights

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

  • 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 $608Free cancellationRating
7.4
10,019 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,558Free cancellationRating
7.5
1,066 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,731Free cancellationRating
7.1
11,835 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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