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

Air New Zealand, Qantas Airways, and Delta are the most popular carriers operating from Sydney Kingsford Smith to Philadelphia

What airlines fly to Philadelphia?

Qantas Airways, United Airlines and Delta 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 35% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 5 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 are refreshed on a daily basis.

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?

There is 1 operator available for flights from Sydney Kingsford Smith Airport to Philadelphia Airport as of January 2026.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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.

$691 Cheap Flights from Sydney to Philadelphia in 2026

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Find the cheapest flights from Sydney to Philadelphia

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Cheap round-trip flights

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9:55 am - 7:15 am

SYD

PHL

37h 20m

2 stops

8:21 am - 10:30 am

PHL

SYD

35h 09m

2 stops

$1,164Air New Zealand

Thu, Mar 5 - Wed, Mar 18

11:20 am - 2:47 pm

SYD

PHL

43h 27m

2 stops

3:30 pm - 8:35 am

PHL

SYD

26h 05m

2 stops

$1,253Air Canada

Thu, Feb 12 - Thu, Mar 12

11:20 am - 2:47 pm

SYD

PHL

43h 27m

2 stops

3:30 pm - 9:35 am

PHL

SYD

26h 05m

2 stops

$1,302Air Canada

Thu, Feb 19 - Mon, Feb 23

11:20 am - 2:47 pm

SYD

PHL

43h 27m

2 stops

3:30 pm - 9:35 am

PHL

SYD

26h 05m

2 stops

$1,306Air Canada

Thu, Feb 19 - Mon, Feb 23

11:20 am - 2:47 pm

SYD

PHL

43h 27m

2 stops

3:30 pm - 9:35 am

PHL

SYD

26h 05m

2 stops

$1,346Air Canada

Thu, Feb 26 - Thu, Mar 5

11:20 am - 2:47 pm

SYD

PHL

43h 27m

3 stops

3:30 pm - 9:35 am

PHL

SYD

26h 05m

2 stops

$1,354Air Canada

Thu, Feb 26 - Thu, Mar 5

11:20 am - 10:46 pm

SYD

PHL

27h 26m

1 stop

3:30 pm - 8:35 am

PHL

SYD

26h 05m

2 stops

$1,377Air Canada

Thu, Feb 12 - Thu, Mar 12

11:20 am - 2:47 pm

SYD

PHL

43h 27m

2 stops

3:30 pm - 9:35 am

PHL

SYD

50h 05m

3 stops

$1,381Air Canada

Sun, Feb 1 - Sun, Feb 8

11:20 am - 10:46 pm

SYD

PHL

27h 26m

1 stop

7:50 am - 8:35 am

PHL

SYD

33h 45m

1 stop

$1,382Air Canada

Thu, Feb 12 - Thu, Mar 12

11:20 am - 2:47 pm

SYD

PHL

43h 27m

3 stops

3:30 pm - 9:35 am

PHL

SYD

50h 05m

3 stops

$1,389Air Canada

Sun, Feb 1 - Sun, Feb 8

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets

Air Canada

Feb 12

SYD11:20 amSydney Kingsford Smith

43h 27m

2 stops

PHL2:47 pmPhiladelphia

Mar 12

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

$1,253

Air Canada

Feb 19

SYD11:20 amSydney Kingsford Smith

43h 27m

2 stops

PHL2:47 pmPhiladelphia

Feb 23

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

$1,302

Air Canada

Feb 19

SYD11:20 amSydney Kingsford Smith

43h 27m

2 stops

PHL2:47 pmPhiladelphia

Feb 23

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

$1,306

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

American Airlines

Feb 19

SYD11:20 amSydney Kingsford Smith

35h 35m

1 stop

PHL6:55 amPhiladelphia

Feb 23

PHL1:48 pmPhiladelphia

25h 07m

2 stops

SYD6:55 amSydney Kingsford Smith

$1,715

American Airlines

Feb 19

SYD11:20 amSydney Kingsford Smith

35h 35m

1 stop

PHL6:55 amPhiladelphia

Feb 23

PHL1:38 pmPhiladelphia

25h 17m

2 stops

SYD6:55 amSydney Kingsford Smith

$1,720

American Airlines

Feb 19

SYD11:20 amSydney Kingsford Smith

35h 35m

1 stop

PHL6:55 amPhiladelphia

Feb 23

PHL5:17 pmPhiladelphia

26h 58m

2 stops

SYD12:15 pmSydney Kingsford Smith

$1,734

Fly from

Fly to

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 3/5

9:55 am-7:15 am

2 stops37h 20m

Philadelphia

Wed 3/18

8:21 am-10:30 am

2 stops35h 09m

$1,164

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/12

11:20 am-2:47 pm

2 stops43h 27m

Philadelphia

Thu 3/12

3:30 pm-8:35 am

2 stops26h 05m

$1,253

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/19

11:20 am-2:47 pm

2 stops43h 27m

Philadelphia

Mon 2/23

3:30 pm-9:35 am

2 stops26h 05m

$1,302

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/19

11:20 am-2:47 pm

2 stops43h 27m

Philadelphia

Mon 2/23

3:30 pm-9:35 am

2 stops26h 05m

$1,306

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/26

11:20 am-2:47 pm

2 stops43h 27m

Philadelphia

Thu 3/5

3:30 pm-9:35 am

2 stops26h 05m

$1,346

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/26

11:20 am-2:47 pm

3 stops43h 27m

Philadelphia

Thu 3/5

3:30 pm-9:35 am

2 stops26h 05m

$1,354

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/12

11:20 am-10:46 pm

1 stop27h 26m

Philadelphia

Thu 3/12

3:30 pm-8:35 am

2 stops26h 05m

$1,377

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 2/1

11:20 am-2:47 pm

2 stops43h 27m

Philadelphia

Sun 2/8

3:30 pm-9:35 am

3 stops50h 05m

$1,381

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 2/12

11:20 am-10:46 pm

1 stop27h 26m

Philadelphia

Thu 3/12

7:50 am-8:35 am

1 stop33h 45m

$1,382

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 2/1

11:20 am-2:47 pm

3 stops43h 27m

Philadelphia

Sun 2/8

3:30 pm-9:35 am

3 stops50h 05m

$1,389

Flights are sorted by cheapest round-trip 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 cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Sydney is in February. Flight prices, which tend to average around $784, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Philadelphia, with average flight prices from Sydney averaging around $793.

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 $1,344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Sydney for as low as $833 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 18% 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 January 2026, prices for Sydney to Philadelphia flights are approximately 11% 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 round-trip 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	37h 18m
Direct flights	None

The fastest flight from Sydney to Philadelphia takes 37h 18m

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?
A flight from Sydney Kingsford Smith to Philadelphia will travel around 9863.8 mi. In terms of flight time, this usually takes a little over 37h 18m.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Philadelphia Airport?
There is 1 operator available for flights from Sydney Kingsford Smith Airport to Philadelphia Airport as of January 2026.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Philadelphia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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 flights between Sydney and Philadelphia, the leading airline is Qantas Airways, making up 100% of the total bookings.

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
Qantas Airways	PriceFrom $1,123	Free Cancellation	Rating 7.5 970 reviews		Search Qantas Airways flights

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

King of Prussia

Cherry Hill

Newark

Dewey Beach

Reading

North Wildwood

Avalon

Dover

Lewes

Stone Harbor

Essington

Vineland

New Castle

Pottstown

Elkton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Philadelphia. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Philadelphia from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Sydney to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.