What 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 41% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 6 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?

Air Canada, Delta, and Alaska Airlines are the most popular carriers 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 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 September 2025.

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.

$627 Cheap Flights from Sydney to Philadelphia in 2025/26

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Find the cheapest flights from Sydney to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

11:20 am - 10:56 pmSYD-PHL

27h 36m2 stops

3:30 pm - 8:35 amPHL-SYD

26h 05m2 stops

$940Air Canada

Find Deal

Fri, Mar 6 - Tue, Mar 10

11:20 am - 10:56 pmSYD-PHL

27h 36m2 stops

3:30 pm - 8:35 amPHL-SYD

26h 05m2 stops

$942Air Canada

Find Deal

Fri, Mar 6 - Tue, Mar 10

5:45 pm - 7:02 amSYD-PHL

28h 17m1 stop

7:40 am - 7:25 amPHL-SYD

31h 45m2 stops

$987

Find Deal

Mon, Oct 27 - Mon, Nov 3

11:20 am - 8:19 pmSYD-PHL

23h 59m1 stop

3:55 pm - 9:00 amPHL-SYD

25h 05m1 stop

$1,007Qantas Airways

Find Deal

Tue, Oct 28 - Tue, Nov 4

11:20 am - 11:04 pmSYD-PHL

26h 44m1 stop

2:10 pm - 9:00 amPHL-SYD

26h 50m2 stops

$1,052American Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

11:20 am - 8:07 pmSYD-PHL

23h 47m2 stops

7:02 pm - 9:00 amPHL-SYD

21h 58m1 stop

$1,053American Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

11:15 am - 5:44 pmSYD-PHL

22h 29m1 stop

5:05 pm - 9:00 amPHL-SYD

23h 55m1 stop

$1,102Qantas Airways

Find Deal

Mon, Feb 9 - Sat, Feb 28

11:50 am - 4:56 pmSYD-PHL

21h 06m1 stop

6:16 pm - 6:20 amPHL-SYD

45h 04m1 stop

$1,117United Airlines

Find Deal

Fri, Mar 6 - Tue, Mar 10

12:10 pm - 5:28 pmSYD-PHL

21h 18m1 stop

6:16 pm - 6:20 amPHL-SYD

45h 04m1 stop

$1,120United Airlines

Find Deal

Fri, Mar 6 - Tue, Mar 10

6:20 am - 10:56 pmSYD-PHL

31h 36m3 stops

6:19 am - 9:35 amPHL-SYD

35h 16m3 stops

$1,823

Find Deal

Tue, Oct 28 - Tue, Nov 4

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets

Qantas Airways

Oct 28

SYD11:20 amSydney Kingsford Smith

23h 59m

1 stop

PHL8:19 pmPhiladelphia

Nov 4

PHL3:55 pmPhiladelphia

25h 05m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,007

Find similar

Qantas Airways

Feb 9

SYD11:15 amSydney Kingsford Smith

22h 29m

1 stop

PHL5:44 pmPhiladelphia

Feb 28

PHL5:05 pmPhiladelphia

23h 55m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,102

Find similar

Qantas Airways

Sep 18

SYD9:10 amSydney Kingsford Smith

22h 32m

1 stop

PHL5:42 pmPhiladelphia

Oct 17

PHL3:45 pmPhiladelphia

24h 45m

1 stop

SYD7:30 amSydney Kingsford Smith

$1,303

Find similar

American Airlines flights from Sydney to Philadelphia

Our best American Airlines deals on Sydney to Philadelphia flight tickets

American Airlines

Oct 28

SYD11:20 amSydney Kingsford Smith

26h 44m

1 stop

PHL11:04 pmPhiladelphia

Nov 4

PHL2:10 pmPhiladelphia

26h 50m

2 stops

SYD9:00 amSydney Kingsford Smith

$1,052

Find similar

American Airlines

Oct 28

SYD11:20 amSydney Kingsford Smith

23h 47m

2 stops

PHL8:07 pmPhiladelphia

Nov 4

PHL7:02 pmPhiladelphia

21h 58m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,053

Find similar

American Airlines

Oct 27

SYD11:20 amSydney Kingsford Smith

26h 44m

1 stop

PHL11:04 pmPhiladelphia

Nov 3

PHL3:55 pmPhiladelphia

25h 05m

1 stop

SYD9:00 amSydney Kingsford Smith

$1,056

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/6

11:20 am-10:56 pm

2 stops27h 36m

Philadelphia

Tue 3/10

3:30 pm-8:35 am

2 stops26h 05m

$940

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/6

11:20 am-10:56 pm

2 stops27h 36m

Philadelphia

Tue 3/10

3:30 pm-8:35 am

2 stops26h 05m

$942

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 10/27

5:45 pm-7:02 am

1 stop28h 17m

Philadelphia

Mon 11/3

7:40 am-7:25 am

2 stops31h 45m

$987

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/28

11:20 am-8:19 pm

1 stop23h 59m

Philadelphia

Tue 11/4

3:55 pm-9:00 am

1 stop25h 05m

$1,007

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/28

11:20 am-11:04 pm

1 stop26h 44m

Philadelphia

Tue 11/4

2:10 pm-9:00 am

2 stops26h 50m

$1,052

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/28

11:20 am-8:07 pm

2 stops23h 47m

Philadelphia

Tue 11/4

7:02 pm-9:00 am

1 stop21h 58m

$1,053

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 2/9

11:15 am-5:44 pm

1 stop22h 29m

Philadelphia

Sat 2/28

5:05 pm-9:00 am

1 stop23h 55m

$1,102

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/6

11:50 am-4:56 pm

1 stop21h 06m

Philadelphia

Tue 3/10

6:16 pm-6:20 am

1 stop45h 04m

$1,117

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 3/6

12:10 pm-5:28 pm

1 stop21h 18m

Philadelphia

Tue 3/10

6:16 pm-6:20 am

1 stop45h 04m

$1,120

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/28

6:20 am-10:56 pm

3 stops31h 36m

Philadelphia

Tue 11/4

6:19 am-9:35 am

3 stops35h 16m

$1,823

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 $794.

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. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $1,303. On the other hand, Saturday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,072.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the afternoon. momondo users have found flights departing from Sydney to Philadelphia in the afternoon for as low as $1,705. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $1,727.

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 $1,386 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 8% 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 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

Direct flights	None

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 20h 50m.
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 September 2025.
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 7.5 905 reviews		Search Qantas Airways flights

Wildwood

Cape May

Rehoboth Beach

Ocean City

Wildwood Crest

King of Prussia

Dewey Beach

Reading

Newark

Cherry Hill

North Wildwood

Dover

Lewes

Avalon

Stone Harbor

Vineland

Essington

Pottstown

New Castle

Exton

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.