What airlines fly to Philadelphia?

Delta, United Airlines and Qantas Airways are the top three most popular airlines that fly to Philadelphia from Sydney according to our data. Delta is the first choice among our users, with 31% 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.

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

Air New Zealand, Delta, and Qantas Airways 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 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.

$660 Cheap Flights from Sydney to Philadelphia in 2026

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9:55 am - 7:15 am

SYD

PHL

36h 20m

2 stops

8:46 am - 10:15 am

PHL

SYD

34h 29m

2 stops

$1,245Air New Zealand

Tue, Mar 10 - Tue, Mar 24

9:15 am - 12:59 am

SYD

PHL

29h 44m

2 stops

2:59 pm - 6:50 am

PHL

SYD

25h 51m

2 stops

$1,344Delta

Wed, Apr 15 - Wed, Apr 22

9:20 am - 2:49 pm

SYD

PHL

43h 29m

2 stops

10:05 am - 7:20 am

PHL

SYD

31h 15m

2 stops

$1,404Air Canada

Thu, Jun 18 - Sun, Jun 28

9:15 am - 5:41 am

SYD

PHL

34h 26m

2 stops

5:30 am - 6:50 am

PHL

SYD

35h 20m

2 stops

$1,480Delta

Mon, Apr 6 - Mon, Apr 13

9:15 am - 8:46 am

SYD

PHL

37h 31m

2 stops

7:03 am - 6:50 am

PHL

SYD

33h 47m

2 stops

$1,487Delta

Tue, Apr 7 - Tue, Apr 14

9:20 am - 2:46 pm

SYD

PHL

43h 26m

2 stops

9:15 am - 7:20 am

PHL

SYD

32h 05m

2 stops

$1,531Air Canada

Mon, Apr 6 - Mon, Apr 13

10:20 am - 10:44 pm

SYD

PHL

51h 24m

2 stops

3:30 pm - 8:35 am

PHL

SYD

50h 05m

3 stops

$1,599Air Canada

Tue, Mar 10 - Tue, Mar 24

9:15 am - 8:36 am

SYD

PHL

37h 21m

2 stops

6:45 am - 6:50 am

PHL

SYD

34h 05m

2 stops

$1,619Delta

Thu, Jun 18 - Sun, Jun 28

9:15 am - 9:37 am

SYD

PHL

38h 22m

2 stops

6:45 am - 6:50 am

PHL

SYD

34h 05m

2 stops

$1,625Delta

Thu, Jun 18 - Sun, Jun 28

9:20 am - 2:46 pm

SYD

PHL

43h 26m

2 stops

3:30 pm - 7:20 am

PHL

SYD

49h 50m

3 stops

$1,666Air Canada

Mon, Apr 6 - Mon, Apr 13

Delta flights from Sydney to Philadelphia

Our best Delta deals on Sydney to Philadelphia flight tickets

Delta

Apr 15

SYD9:15 amSydney Kingsford Smith

29h 44m

2 stops

PHL12:59 amPhiladelphia

Apr 22

PHL2:59 pmPhiladelphia

25h 51m

2 stops

SYD6:50 amSydney Kingsford Smith

$1,344

Delta

Apr 6

SYD9:15 amSydney Kingsford Smith

34h 26m

2 stops

PHL5:41 amPhiladelphia

Apr 13

PHL5:30 amPhiladelphia

35h 20m

2 stops

SYD6:50 amSydney Kingsford Smith

$1,480

Delta

Apr 7

SYD9:15 amSydney Kingsford Smith

37h 31m

2 stops

PHL8:46 amPhiladelphia

Apr 14

PHL7:03 amPhiladelphia

33h 47m

2 stops

SYD6:50 amSydney Kingsford Smith

$1,487

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets

Qantas Airways

Apr 15

SYD9:10 amSydney Kingsford Smith

23h 44m

1 stop

PHL6:54 pmPhiladelphia

Apr 22

PHL5:37 pmPhiladelphia

23h 28m

1 stop

SYD7:05 amSydney Kingsford Smith

$1,675

Qantas Airways

Jun 18

SYD9:10 amSydney Kingsford Smith

23h 15m

1 stop

PHL6:25 pmPhiladelphia

Jun 28

PHL5:43 pmPhiladelphia

23h 22m

1 stop

SYD7:05 amSydney Kingsford Smith

$2,012

Qantas Airways

Jun 18

SYD9:10 amSydney Kingsford Smith

23h 15m

1 stop

PHL6:25 pmPhiladelphia

Jun 28

PHL5:43 pmPhiladelphia

23h 22m

1 stop

SYD7:05 amSydney Kingsford Smith

$2,014

Fly from

Fly to

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 3/10

9:55 am-7:15 am

2 stops36h 20m

Philadelphia

Tue 3/24

8:46 am-10:15 am

2 stops34h 29m

$1,245

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/15

9:15 am-12:59 am

2 stops29h 44m

Philadelphia

Wed 4/22

2:59 pm-6:50 am

2 stops25h 51m

$1,344

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/18

9:20 am-2:49 pm

2 stops43h 29m

Philadelphia

Sun 6/28

10:05 am-7:20 am

2 stops31h 15m

$1,404

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/6

9:15 am-5:41 am

2 stops34h 26m

Philadelphia

Mon 4/13

5:30 am-6:50 am

2 stops35h 20m

$1,480

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 4/7

9:15 am-8:46 am

2 stops37h 31m

Philadelphia

Tue 4/14

7:03 am-6:50 am

2 stops33h 47m

$1,487

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/6

9:20 am-2:46 pm

2 stops43h 26m

Philadelphia

Mon 4/13

9:15 am-7:20 am

2 stops32h 05m

$1,531

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 3/10

10:20 am-10:44 pm

2 stops51h 24m

Philadelphia

Tue 3/24

3:30 pm-8:35 am

3 stops50h 05m

$1,599

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/18

9:15 am-8:36 am

2 stops37h 21m

Philadelphia

Sun 6/28

6:45 am-6:50 am

2 stops34h 05m

$1,619

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/18

9:15 am-9:37 am

2 stops38h 22m

Philadelphia

Sun 6/28

6:45 am-6:50 am

2 stops34h 05m

$1,625

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 4/6

9:20 am-2:46 pm

2 stops43h 26m

Philadelphia

Mon 4/13

3:30 pm-7:20 am

3 stops49h 50m

$1,666

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 $1,349 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 $783 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 28% 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 February 2026, prices for Sydney to Philadelphia flights are approximately 32% more expensive 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	24h 03m
Direct flights	None

The fastest flight from Sydney to Philadelphia takes 24h 03m

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 24h 03m.
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 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.

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Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

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.