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Cheap flights from Sydney to Philadelphia from $899

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 29/6. 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
$1,450United Airlines
Thu, 16 Jul - Tue, 28 Jul
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
06:10 - 06:55
PHL
-
SYD
34h 45m
2 stops
$1,454United Airlines
Tue, 21 Jul - Tue, 28 Jul
United Airlines Logo
10:20 - 17:17
SYD
-
PHL
20h 57m
1 stop
United Airlines Logo
18:36 - 06:55
PHL
-
SYD
22h 19m
1 stop
$1,514United Airlines
Tue, 21 Jul - Thu, 20 Aug
United Airlines Logo
09:30 - 23:20
SYD
-
PHL
27h 50m
2 stops
United Airlines Logo
06:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,594United Airlines
Sun, 5 Jul - Thu, 23 Jul
American Airlines Logo
10:10 - 05:35
SYD
-
PHL
34h 25m
2 stops
American Airlines Logo
05:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,675American Airlines
Thu, 22 Oct - Mon, 26 Oct
Delta Logo
09:15 - 23:56
SYD
-
PHL
28h 41m
2 stops
Delta Logo
14:32 - 06:50
PHL
-
SYD
26h 18m
2 stops
$1,685Delta
Tue, 21 Jul - Tue, 28 Jul
Delta Logo
09:15 - 23:56
SYD
-
PHL
28h 41m
2 stops
Delta Logo
14:32 - 06:50
PHL
-
SYD
26h 18m
2 stops
$1,688Delta
Tue, 21 Jul - Tue, 28 Jul
American Airlines Logo
10:10 - 05:35
SYD
-
PHL
34h 25m
2 stops
American Airlines Logo
11:00 - 06:55
PHL
-
SYD
28h 55m
1 stop
$1,690American Airlines
Thu, 22 Oct - Mon, 26 Oct
Air New Zealand Logo
10:20 - 01:23
SYD
-
PHL
29h 03m
1 stop
Air New Zealand Logo
06:00 - 06:55
PHL
-
SYD
34h 55m
1 stop
$1,695Air New Zealand
Sun, 5 Jul - Thu, 23 Jul
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
$1,705Virgin Australia
Tue, 21 Jul - Tue, 28 Jul

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United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
16 July
SYD10:20Sydney Kingsford Smith
20h 57m
1 stop
PHL17:17Philadelphia
28 July
PHL06:00Philadelphia
34h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$1,450
United Airlines
21 July
SYD10:20Sydney Kingsford Smith
20h 57m
1 stop
PHL17:17Philadelphia
28 July
PHL06:10Philadelphia
34h 45m
2 stops
SYD06:55Sydney Kingsford Smith
$1,454
United Airlines
21 July
SYD10:20Sydney Kingsford Smith
20h 57m
1 stop
PHL17:17Philadelphia
20 Aug
PHL18:36Philadelphia
22h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$1,514

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets
Delta
21 July
SYD09:15Sydney Kingsford Smith
28h 41m
2 stops
PHL23:56Philadelphia
28 July
PHL14:32Philadelphia
26h 18m
2 stops
SYD06:50Sydney Kingsford Smith
$1,685
Delta
28 Aug
SYD09:15Sydney Kingsford Smith
26h 22m
2 stops
PHL21:37Philadelphia
31 Aug
PHL10:00Philadelphia
30h 50m
2 stops
SYD06:50Sydney Kingsford Smith
$1,725
Delta
1 Aug
SYD09:15Sydney Kingsford Smith
37h 26m
2 stops
PHL08:41Philadelphia
8 Aug
PHL07:05Philadelphia
33h 45m
2 stops
SYD06:50Sydney Kingsford Smith
$2,241

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 21 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

Thu 16/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

06:00-06:55

1 stop34h 55m

$1,450

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

06:10-06:55

2 stops34h 45m

$1,454
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

10:20-17:17

1 stop20h 57m

Philadelphia

Thu 20/8

18:36-06:55

1 stop22h 19m

$1,514

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 5/7

09:30-23:20

2 stops27h 50m

Philadelphia

Thu 23/7

06:00-06:55

1 stop34h 55m

$1,594

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 22/10

10:10-05:35

2 stops34h 25m

Philadelphia

Mon 26/10

05:00-06:55

1 stop34h 55m

$1,675

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

09:15-23:56

2 stops28h 41m

Philadelphia

Tue 28/7

14:32-06:50

2 stops26h 18m

$1,685

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

09:15-23:56

2 stops28h 41m

Philadelphia

Tue 28/7

14:32-06:50

2 stops26h 18m

$1,688

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 22/10

10:10-05:35

2 stops34h 25m

Philadelphia

Mon 26/10

11:00-06:55

1 stop28h 55m

$1,690

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 5/7

10:20-01:23

1 stop29h 03m

Philadelphia

Thu 23/7

06:00-06:55

1 stop34h 55m

$1,695

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

$1,705

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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,781.

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 22% 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

25h 09m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 25h 09m
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 25h 09m.

  • 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 $1,492Free cancellationRating
7.1
11,227 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,565Free cancellationRating
7.5
1,047 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,728Free cancellationRating
7.1
11,716 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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