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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 14/7. 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

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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 - 21:19
SYD
-
PHL
24h 59m
2 stops
United Airlines Logo
13:31 - 06:55
PHL
-
SYD
27h 24m
2 stops
$1,457United Airlines
Tue, 9 Jun - Tue, 16 Jun
United Airlines Logo
09:30 - 22:57
SYD
-
PHL
27h 27m
2 stops
United Airlines Logo
16:14 - 07:00
PHL
-
SYD
24h 46m
2 stops
$1,459United Airlines
Mon, 1 Jun - Mon, 8 Jun
United Airlines Logo
09:30 - 00:57
SYD
-
PHL
29h 27m
2 stops
United Airlines Logo
06:00 - 06:55
PHL
-
SYD
58h 55m
2 stops
$1,524United Airlines
Sat, 27 Jun - Sat, 4 Jul
United Airlines Logo
09:30 - 21:19
SYD
-
PHL
25h 49m
2 stops
United Airlines Logo
06:10 - 06:55
PHL
-
SYD
34h 45m
2 stops
$1,526United Airlines
Fri, 19 Jun - Sun, 2 Aug
United Airlines Logo
09:30 - 18:54
SYD
-
PHL
23h 24m
2 stops
United Airlines Logo
11:03 - 07:00
PHL
-
SYD
29h 57m
2 stops
$1,595United Airlines
Fri, 31 Jul - Fri, 21 Aug
United Airlines Logo
09:30 - 21:19
SYD
-
PHL
25h 49m
2 stops
United Airlines Logo
13:06 - 07:00
PHL
-
SYD
27h 54m
2 stops
$1,599United Airlines
Fri, 31 Jul - Fri, 21 Aug
Multiple Airlines Logo
13:15 - 00:40
SYD
-
PHL
49h 25m
3 stops
Multiple Airlines Logo
10:40 - 12:05
PHL
-
SYD
35h 25m
3 stops
$1,696Multiple Airlines
Wed, 27 May - Mon, 1 Jun
Virgin Australia Logo
10:20 - 07:50
SYD
-
PHL
35h 30m
1 stop
Virgin Australia Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,750Virgin Australia
Thu, 4 Jun - Mon, 15 Jun
Virgin Australia Logo
10:20 - 07:50
SYD
-
PHL
35h 30m
1 stop
Virgin Australia Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,754Virgin Australia
Mon, 1 Jun - Mon, 8 Jun
Virgin Australia Logo
10:20 - 07:50
SYD
-
PHL
35h 30m
1 stop
Virgin Australia Logo
18:23 - 06:55
PHL
-
SYD
22h 32m
1 stop
$1,820Virgin Australia
Sun, 14 Jun - Sun, 21 Jun

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets
United Airlines
21 May
SYD10:20Sydney Kingsford Smith
20h 57m
1 stop
PHL17:17Philadelphia
31 May
PHL08:00Philadelphia
32h 55m
2 stops
SYD06:55Sydney Kingsford Smith
$1,454
United Airlines
9 June
SYD10:20Sydney Kingsford Smith
24h 59m
2 stops
PHL21:19Philadelphia
16 June
PHL13:31Philadelphia
27h 24m
2 stops
SYD06:55Sydney Kingsford Smith
$1,457
United Airlines
1 June
SYD09:30Sydney Kingsford Smith
27h 27m
2 stops
PHL22:57Philadelphia
8 June
PHL16:14Philadelphia
24h 46m
2 stops
SYD07:00Sydney Kingsford Smith
$1,459

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets
Qantas Airways
17 June
SYD09:10Sydney Kingsford Smith
23h 25m
1 stop
PHL18:35Philadelphia
29 July
PHL15:35Philadelphia
25h 30m
1 stop
SYD07:05Sydney Kingsford Smith
$2,861
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 25m
1 stop
PHL18:35Philadelphia
25 June
PHL15:29Philadelphia
25h 36m
1 stop
SYD07:05Sydney Kingsford Smith
$2,948
Qantas Airways
18 June
SYD09:10Sydney Kingsford Smith
23h 25m
1 stop
PHL18:35Philadelphia
25 June
PHL15:29Philadelphia
39h 01m
2 stops
SYD20:30Sydney Kingsford Smith
$2,969

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 15 May 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

Tue 9/6

10:20-21:19

2 stops24h 59m

Philadelphia

Tue 16/6

13:31-06:55

2 stops27h 24m

$1,457
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/6

09:30-22:57

2 stops27h 27m

Philadelphia

Mon 8/6

16:14-07:00

2 stops24h 46m

$1,459

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 27/6

09:30-00:57

2 stops29h 27m

Philadelphia

Sat 4/7

06:00-06:55

2 stops58h 55m

$1,524

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 19/6

09:30-21:19

2 stops25h 49m

Philadelphia

Sun 2/8

06:10-06:55

2 stops34h 45m

$1,526

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 31/7

09:30-18:54

2 stops23h 24m

Philadelphia

Fri 21/8

11:03-07:00

2 stops29h 57m

$1,595

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 31/7

09:30-21:19

2 stops25h 49m

Philadelphia

Fri 21/8

13:06-07:00

2 stops27h 54m

$1,599

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 27/5

13:15-00:40

3 stops49h 25m

Philadelphia

Mon 1/6

10:40-12:05

3 stops35h 25m

$1,696

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/6

10:20-07:50

1 stop35h 30m

Philadelphia

Mon 15/6

18:23-06:55

1 stop22h 32m

$1,750

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/6

10:20-07:50

1 stop35h 30m

Philadelphia

Mon 8/6

18:23-06:55

1 stop22h 32m

$1,754

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 14/6

10:20-07:50

1 stop35h 30m

Philadelphia

Sun 21/6

18:23-06:55

1 stop22h 32m

$1,820

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,590.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 1% 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 May 2026, prices for Sydney to Philadelphia flights are approximately 28% 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

20h 57m

Direct flights

None
The fastest flight from Sydney to Philadelphia takes 20h 57m
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 20h 57m.

  • 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 $594Free cancellationRating
7.4
9,727 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,298Free cancellationRating
7.1
11,046 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,534Free cancellationRating
7.5
1,037 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,675Free cancellationRating
7.1
11,662 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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