Which stopover airport offers the lowest fares from Sydney to Philadelphia?

Flights via San Francisco (SFO) offer the lowest average return price of $3,124.

Which stopover airport has the shortest travel time from Sydney to Philadelphia?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 21h 10m.

Which stopover airport has the shortest connection time from Sydney to Philadelphia?

San Francisco (SFO) has the shortest average stopover time for this route: 1h 30m.

Which airport is the most popular for stopovers for flights between Sydney and Philadelphia?

Los Angeles (LAX) was the most common stop: 91% of momondo users choosing one-stop flights on this route connected there.

Which airlines fly to Philadelphia?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Philadelphia from Sydney according to our data. Qantas Airways is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 15 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Sydney Kingsford Smith Airport to Philadelphia Airport is 6 as of November 2025.

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.

$1,161 Cheap Flights from Sydney to Philadelphia in 2025/26

Q: What is the typical price of a round-trip flight between Sydney and Philadelphia?

Prices are currently low for flights on this route. Typical prices usually range from $2,500 to $3,289. The lowest price recently found on this route was $1,317.

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Find the cheapest flights from Sydney to Philadelphia

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11:20 - 14:47SYD-PHL

43h 27m2 stops

15:30 - 09:35PHL-SYD

50h 05m2 stops

$1,317Air Canada

Find Deal

Thu, 12 Feb - Mon, 16 Feb

11:20 - 16:14SYD-PHL

20h 54m1 stop

18:38 - 06:55PHL-SYD

44h 17m1 stop

$1,673American Airlines

Find Deal

Thu, 12 Feb - Mon, 16 Feb

11:20 - 14:47SYD-PHL

43h 27m2 stops

15:30 - 09:35PHL-SYD

26h 05m2 stops

$1,987Air Canada

Find Deal

Thu, 12 Feb - Mon, 16 Feb

11:50 - 14:22SYD-PHL

40h 32m3 stops

06:10 - 08:45PHL-SYD

36h 35m2 stops

$2,184Multiple Airlines

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Mon, 4 May - Fri, 15 May

06:20 - 14:33SYD-PHL

24h 13m2 stops

14:30 - 07:25PHL-SYD

24h 55m1 stop

$2,268Multiple Airlines

Find Deal

Thu, 15 Jan - Wed, 28 Jan

11:20 - 19:38SYD-PHL

24h 18m2 stops

13:49 - 09:00PHL-SYD

27h 11m2 stops

$2,374American Airlines

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Thu, 15 Jan - Wed, 28 Jan

09:10 - 23:54SYD-PHL

28h 44m1 stop

16:13 - 07:05PHL-SYD

24h 52m2 stops

$2,446American Airlines

Find Deal

Mon, 4 May - Fri, 15 May

09:10 - 19:51SYD-PHL

24h 41m1 stop

18:03 - 07:30PHL-SYD

23h 27m1 stop

$2,456American Airlines

Find Deal

Mon, 4 May - Fri, 15 May

21:40 - 09:00SYD-PHL

51h 20m1 stop

19:50 - 18:50PHL-SYD

31h 00m1 stop

$2,752Qatar Airways

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Thu, 12 Feb - Mon, 16 Feb

21:40 - 09:30SYD-PHL

51h 50m1 stop

19:55 - 18:50PHL-SYD

30h 55m1 stop

$2,754Qatar Airways

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Thu, 12 Feb - Mon, 16 Feb

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets

United Airlines

15 Jan

SYD11:50Sydney Kingsford Smith

20h 46m

1 stop

PHL16:36Philadelphia

28 Jan

PHL12:40Philadelphia

26h 20m

1 stop

SYD07:00Sydney Kingsford Smith

$2,893

Find similar

United Airlines

12 Feb

SYD14:00Sydney Kingsford Smith

23h 38m

2 stops

PHL21:38Philadelphia

16 Feb

PHL12:44Philadelphia

26h 16m

1 stop

SYD07:00Sydney Kingsford Smith

$3,209

Find similar

United Airlines

8 Jan

SYD14:00Sydney Kingsford Smith

23h 52m

1 stop

PHL21:52Philadelphia

15 Jan

PHL08:35Philadelphia

29h 45m

1 stop

SYD06:20Sydney Kingsford Smith

$3,393

Find similar

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets

Air Canada

12 Feb

SYD11:20Sydney Kingsford Smith

43h 27m

2 stops

PHL14:47Philadelphia

16 Feb

PHL15:30Philadelphia

50h 05m

2 stops

SYD09:35Sydney Kingsford Smith

$1,317

Find similar

Air Canada

12 Feb

SYD11:20Sydney Kingsford Smith

43h 27m

2 stops

PHL14:47Philadelphia

16 Feb

PHL15:30Philadelphia

26h 05m

2 stops

SYD09:35Sydney Kingsford Smith

$1,987

Find similar

Air Canada

15 Jan

SYD11:20Sydney Kingsford Smith

43h 27m

3 stops

PHL14:47Philadelphia

28 Jan

PHL07:50Philadelphia

33h 45m

2 stops

SYD09:35Sydney Kingsford Smith

$2,997

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 12/2

11:20-14:47

2 stops43h 27m

Philadelphia

Mon 16/2

15:30-09:35

2 stops50h 05m

$1,317

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 12/2

11:20-16:14

1 stop20h 54m

Philadelphia

Mon 16/2

18:38-06:55

1 stop44h 17m

$1,673

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 12/2

11:20-14:47

2 stops43h 27m

Philadelphia

Mon 16/2

15:30-09:35

2 stops26h 05m

$1,987

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

11:50-14:22

3 stops40h 32m

Philadelphia

Fri 15/5

06:10-08:45

2 stops36h 35m

$2,184

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 15/1

06:20-14:33

2 stops24h 13m

Philadelphia

Wed 28/1

14:30-07:25

1 stop24h 55m

$2,268

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 15/1

11:20-19:38

2 stops24h 18m

Philadelphia

Wed 28/1

13:49-09:00

2 stops27h 11m

$2,374

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

09:10-23:54

1 stop28h 44m

Philadelphia

Fri 15/5

16:13-07:05

2 stops24h 52m

$2,446

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/5

09:10-19:51

1 stop24h 41m

Philadelphia

Fri 15/5

18:03-07:30

1 stop23h 27m

$2,456

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 12/2

21:40-09:00

1 stop51h 20m

Philadelphia

Mon 16/2

19:50-18:50

1 stop31h 00m

$2,752

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 12/2

21:40-09:30

1 stop51h 50m

Philadelphia

Mon 16/2

19:55-18:50

1 stop30h 55m

$2,754

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Stopovers

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,229.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Sydney to Philadelphia is on a Thursday when prices can be found for as low as $1,998. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,507. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.

What is the cheapest time of day to depart on your flight to Philadelphia?

Flying to Philadelphia from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,687 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $2,374.

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $2,157 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Sydney for as low as $1,272 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 15% on your flight if you consider stops on a Sydney to Philadelphia flight.

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	40h 32m
Direct flights	None

The fastest flight from Sydney to Philadelphia takes 40h 32m

There are no direct flights from Sydney to Philadelphia. There are no popular flight routes from Sydney to Philadelphia.

Search flight deals

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 46m.
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?
The number of operators available for flights from Sydney Kingsford Smith Airport to Philadelphia Airport is 6 as of November 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Philadelphia is Qantas Airways (42% of total bookings). The next most popular airlines are Delta (23%), Air Canada (20%), and United Airlines (8%).

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
Delta	PriceFrom $1,191	Free cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $1,239	Free cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,488	Free cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,702	Free cancellation	Rating 8.0 537 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,713	Free cancellation	Rating 7.5 944 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,814	Free cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights

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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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Cheap flights from Sydney to Philadelphia from $1,212

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 24/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Sydney to Philadelphia

Cheap return flights

Cheap one-way flights

United Airlines flights from Sydney to Philadelphia

Our best United Airlines deals on Sydney to Philadelphia flight tickets

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets

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Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,229.

What is the cheapest day to depart on your flight to Philadelphia?

What is the cheapest time of day to depart on your flight to Philadelphia?

How far in advance should I book a flight to Philadelphia?

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 15% on your flight if you consider stops on a Sydney to Philadelphia flight.

Which airlines fly to Philadelphia?

Which airport is the most popular for stopovers for flights between Sydney and Philadelphia?

Los Angeles (LAX) was the most common stop: 91% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Sydney to Philadelphia?

Flights via San Francisco (SFO) offer the lowest average return price of $3,124.

Which stopover airport has the shortest travel time from Sydney to Philadelphia?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 21h 10m.

Which stopover airport has the shortest connection time from Sydney to Philadelphia?

San Francisco (SFO) has the shortest average stopover time for this route: 1h 30m.

When to book flights from Sydney to Philadelphia

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

Direct flights

How far is Sydney Kingsford Smith to Philadelphia by plane?

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?

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?

What documentation or ID do you need to fly to Philadelphia Airport?

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

Travelling to a place near Philadelphia?

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Philadelphia?

Can I find flights from Sydney to Philadelphia with flexible booking policies on momondo?

How can momondo help me find flights from Sydney to Philadelphia?

I’m not ready to book a flight from Sydney to Philadelphia right now. Can momondo alert me if prices 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Pennsylvania