Which airlines fly to Philadelphia?

Qantas Airways, United Airlines and Air Canada 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 63% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 12 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Sydney Kingsford Smith to Philadelphia?

Delta is the most popular carrier operating from Sydney Kingsford Smith to Philadelphia

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 3 as of August 2026.

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.

$1,103 Cheap Flights from Sydney to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Philadelphia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:20 - 05:10SYD Sydney Kingsford Smith-PHL Philadelphia

33h 50m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

05:00 - 06:55PHL Philadelphia-SYD Sydney Kingsford Smith

33h 55m1 stop Dallas/Fort Worth

$1,655American Airlines

Thu, 5 Nov - Mon, 9 Nov

11:10 - 05:10SYD Sydney Kingsford Smith-PHL Philadelphia

34h 00m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

05:00 - 06:55PHL Philadelphia-SYD Sydney Kingsford Smith

33h 55m1 stop Dallas/Fort Worth

$1,659American Airlines

Thu, 5 Nov - Mon, 9 Nov

09:10 - 09:05SYD Sydney Kingsford Smith-PHL Philadelphia

37h 55m2 stops Los Angeles Los Angeles Orlando

08:41 - 07:05PHL Philadelphia-SYD Sydney Kingsford Smith

32h 24m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

$1,677Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

11:10 - 05:10SYD Sydney Kingsford Smith-PHL Philadelphia

34h 00m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

07:00 - 06:55PHL Philadelphia-SYD Sydney Kingsford Smith

31h 55m1 stop Dallas/Fort Worth

$1,821American Airlines

Thu, 5 Nov - Mon, 9 Nov

10:10 - 20:38SYD Sydney Kingsford Smith-PHL Philadelphia

25h 28m1 stop Los Angeles Los Angeles

17:30 - 08:05PHL Philadelphia-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles Los Angeles

$1,937Qantas Airways

Tue, 6 Oct - Tue, 13 Oct

10:10 - 20:35SYD Sydney Kingsford Smith-PHL Philadelphia

25h 25m2 stops Los Angeles Los Angeles Dallas/Fort Worth

17:30 - 08:05PHL Philadelphia-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles Los Angeles

$1,942Qantas Airways

Tue, 6 Oct - Tue, 13 Oct

09:55 - 22:30SYD Sydney Kingsford Smith-PHL Philadelphia

28h 35m2 stops Auckland Intl Houston George Bush Intcntl

09:30 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

32h 15m2 stops San Francisco Auckland Intl

$1,959Air New Zealand

Tue, 26 Jan - Wed, 31 Mar

09:55 - 22:30SYD Sydney Kingsford Smith-PHL Philadelphia

28h 35m2 stops Auckland Intl Houston George Bush Intcntl

13:00 - 08:45PHL Philadelphia-SYD Sydney Kingsford Smith

28h 45m3 stops Chicago O'Hare Intl San Francisco Auckland Intl

$2,060Multiple Airlines

Tue, 26 Jan - Wed, 31 Mar

13:20 - 00:14SYD Sydney Kingsford Smith-PHL Philadelphia

26h 54m2 stops San Francisco Chicago O'Hare Intl

18:13 - 06:20PHL Philadelphia-SYD Sydney Kingsford Smith

44h 07m1 stop San Francisco

$2,531United Airlines

Thu, 24 Dec - Sat, 23 Jan

11:50 - 17:06SYD Sydney Kingsford Smith-PHL Philadelphia

21h 16m1 stop San Francisco

08:15 - 07:00PHL Philadelphia-SYD Sydney Kingsford Smith

30h 45m1 stop Houston George Bush Intcntl

$2,531United Airlines

Thu, 24 Dec - Mon, 25 Jan

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American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

American Airlines

5 Nov

SYD11:20Sydney Kingsford Smith

33h 50m

2 stops

PHL05:10Philadelphia

9 Nov

PHL05:00Philadelphia

33h 55m

1 stop

SYD06:55Sydney Kingsford Smith

$1,655

American Airlines

5 Nov

SYD11:10Sydney Kingsford Smith

34h 00m

2 stops

PHL05:10Philadelphia

9 Nov

PHL05:00Philadelphia

33h 55m

1 stop

SYD06:55Sydney Kingsford Smith

$1,659

American Airlines

5 Nov

SYD11:10Sydney Kingsford Smith

34h 00m

2 stops

PHL05:10Philadelphia

9 Nov

PHL07:00Philadelphia

31h 55m

1 stop

SYD06:55Sydney Kingsford Smith

$1,821

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets

Qantas Airways

6 Oct

SYD10:10Sydney Kingsford Smith

25h 28m

1 stop

PHL20:38Philadelphia

13 Oct

PHL17:30Philadelphia

23h 35m

1 stop

SYD08:05Sydney Kingsford Smith

$1,937

Qantas Airways

6 Oct

SYD10:10Sydney Kingsford Smith

25h 25m

2 stops

PHL20:35Philadelphia

13 Oct

PHL17:30Philadelphia

23h 35m

1 stop

SYD08:05Sydney Kingsford Smith

$1,942

Qantas Airways

23 Dec

SYD21:50Sydney Kingsford Smith

37h 05m

2 stops

PHL18:55Philadelphia

26 Jan

PHL16:24Philadelphia

24h 36m

1 stop

SYD09:00Sydney Kingsford Smith

$2,724

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:20-05:10

2 stops33h 50m

Philadelphia

Mon 9/11

05:00-06:55

1 stop33h 55m

$1,655

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:10-05:10

2 stops34h 00m

Philadelphia

Mon 9/11

05:00-06:55

1 stop33h 55m

$1,659

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sat 19/9

09:10-09:05

2 stops37h 55m

Philadelphia

Sat 26/9

08:41-07:05

2 stops32h 24m

$1,677

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:10-05:10

2 stops34h 00m

Philadelphia

Mon 9/11

07:00-06:55

1 stop31h 55m

$1,821

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 6/10

10:10-20:38

1 stop25h 28m

Philadelphia

Tue 13/10

17:30-08:05

1 stop23h 35m

$1,937

Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 6/10

10:10-20:35

2 stops25h 25m

Philadelphia

Tue 13/10

17:30-08:05

1 stop23h 35m

$1,942

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 26/1

09:55-22:30

2 stops28h 35m

Philadelphia

Wed 31/3

09:30-08:45

2 stops32h 15m

$1,959

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 26/1

09:55-22:30

2 stops28h 35m

Philadelphia

Wed 31/3

13:00-08:45

3 stops28h 45m

$2,060

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 24/12

13:20-00:14

2 stops26h 54m

Philadelphia

Sat 23/1

18:13-06:20

1 stop44h 07m

$2,531

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 24/12

11:50-17:06

1 stop21h 16m

Philadelphia

Mon 25/1

08:15-07:00

1 stop30h 45m

$2,531

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

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

Prices are currently typical for flights on this route.

Typical prices usually range from $1,581 to $2,612.
The lowest price recently found on this route was $1,655.

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 August is also cheap. Prices for this month can be found on momondo for an average of $1,564.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 39% 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 August 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

Best price found	$1,103
Fastest flight time	21h 09m
Direct flights	None

The best one-way flight to Philadelphia from Sydney in the past 72 hours is $1,103. The best return flight deal from Sydney to Philadelphia found on momondo in the last 72 hours is $1,655.

The fastest flight from Sydney to Philadelphia takes 21h 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 21h 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?
The number of operators available for flights from Sydney Kingsford Smith Airport to Philadelphia Airport is 3 as of August 2026.
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 American Airlines (36% of total bookings). The next most popular airlines are Qantas Airways (35%) and United Airlines (29%).

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 Airlines	PriceFrom $595	Free cancellation	Rating 7.4 10,123 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,526	Free cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,677	Free cancellation	Rating 7.1 11,995 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

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Cheap flights from Sydney to Philadelphia from $1,103

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 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways 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

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

What is the cheapest month to fly to Philadelphia?

Can stopping save me money on Sydney to Philadelphia flights?

How have Sydney to Philadelphia flight prices changed over time?

What is the cheapest airline that flies from Sydney Kingsford Smith to Philadelphia?

Which airlines fly to Philadelphia?

When to book flights from Sydney to Philadelphia

Cheap Sydney to Philadelphia (SYD to PHL) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favourite airline to Philadelphia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Philadelphia

List of cabin classes available on flights landing in Philadelphia. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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