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

American Airlines and Qantas Airways are the most popular carriers operating from Sydney Kingsford Smith to Philadelphia

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 33% 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 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.

$731 Cheap Flights from Sydney to Philadelphia in 2026

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 $1,113 to $1,288. The lowest price recently found on this route was $998.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Sydney to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 2:49 pm

SYD

PHL

43h 29m

2 stops

10:05 am - 7:20 am

PHL

SYD

31h 15m

2 stops

$998Air Canada

Thu, Jun 18 - Sun, Jun 28

9:20 am - 2:49 pm

SYD

PHL

43h 29m

3 stops

10:05 am - 7:20 am

PHL

SYD

31h 15m

2 stops

$1,006Air Canada

Thu, Jun 18 - Sun, Jun 28

9:20 am - 11:43 pm

SYD

PHL

28h 23m

2 stops

3:30 pm - 7:20 am

PHL

SYD

49h 50m

2 stops

$1,049Air Canada

Wed, Apr 22 - Sat, Apr 25

9:20 am - 10:43 pm

SYD

PHL

27h 23m

2 stops

10:05 am - 7:20 am

PHL

SYD

31h 15m

2 stops

$1,060Air Canada

Fri, May 1 - Fri, May 8

9:20 am - 9:33 pm

SYD

PHL

26h 13m

2 stops

10:05 am - 7:20 am

PHL

SYD

31h 15m

3 stops

$1,065Air Canada

Fri, May 1 - Fri, May 8

9:20 am - 3:39 pm

SYD

PHL

44h 19m

2 stops

6:00 am - 7:20 am

PHL

SYD

35h 20m

2 stops

$1,083Air Canada

Thu, Jun 18 - Sun, Jun 28

9:20 am - 10:34 pm

SYD

PHL

27h 14m

2 stops

3:25 pm - 7:20 am

PHL

SYD

49h 55m

2 stops

$1,105Multiple Airlines

Sat, May 2 - Sat, May 9

9:20 am - 11:43 pm

SYD

PHL

28h 23m

2 stops

3:30 pm - 7:20 am

PHL

SYD

49h 50m

2 stops

$1,112Air Canada

Wed, Apr 22 - Sat, Apr 25

9:20 am - 10:34 pm

SYD

PHL

27h 14m

2 stops

10:05 am - 7:20 am

PHL

SYD

31h 15m

3 stops

$1,113Multiple Airlines

Sat, May 2 - Sat, May 9

9:20 am - 2:46 pm

SYD

PHL

43h 26m

3 stops

3:30 pm - 7:20 am

PHL

SYD

49h 50m

2 stops

$1,118Air Canada

Wed, Apr 22 - Sat, Apr 25

Air Canada flights from Sydney to Philadelphia

Our best Air Canada deals on Sydney to Philadelphia flight tickets

Air Canada

Jun 18

SYD9:20 amSydney Kingsford Smith

43h 29m

2 stops

PHL2:49 pmPhiladelphia

Jun 28

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD7:20 amSydney Kingsford Smith

$998

Air Canada

Jun 18

SYD9:20 amSydney Kingsford Smith

43h 29m

3 stops

PHL2:49 pmPhiladelphia

Jun 28

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD7:20 amSydney Kingsford Smith

$1,006

Air Canada

Apr 22

SYD9:20 amSydney Kingsford Smith

28h 23m

2 stops

PHL11:43 pmPhiladelphia

Apr 25

PHL3:30 pmPhiladelphia

49h 50m

2 stops

SYD7:20 amSydney Kingsford Smith

$1,049

Qantas Airways flights from Sydney to Philadelphia

Our best Qantas Airways deals on Sydney to Philadelphia flight tickets

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

$1,581

Qantas Airways

Jun 18

SYD9:10 amSydney Kingsford Smith

23h 25m

1 stop

PHL6:35 pmPhiladelphia

Jun 28

PHL5:43 pmPhiladelphia

27h 42m

2 stops

SYD11:25 amSydney Kingsford Smith

$1,695

Qantas Airways

Mar 26

SYD5:45 pmSydney Kingsford Smith

27h 06m

1 stop

PHL5:51 amPhiladelphia

Apr 7

PHL5:37 pmPhiladelphia

23h 28m

1 stop

SYD7:05 amSydney Kingsford Smith

$2,127

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$998

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/18

9:20 am-2:49 pm

3 stops43h 29m

Philadelphia

Sun 6/28

10:05 am-7:20 am

2 stops31h 15m

$1,006

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/22

9:20 am-11:43 pm

2 stops28h 23m

Philadelphia

Sat 4/25

3:30 pm-7:20 am

2 stops49h 50m

$1,049

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/1

9:20 am-10:43 pm

2 stops27h 23m

Philadelphia

Fri 5/8

10:05 am-7:20 am

2 stops31h 15m

$1,060

Quickest round-trip

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 5/1

9:20 am-9:33 pm

2 stops26h 13m

Philadelphia

Fri 5/8

10:05 am-7:20 am

3 stops31h 15m

$1,065

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/18

9:20 am-3:39 pm

2 stops44h 19m

Philadelphia

Sun 6/28

6:00 am-7:20 am

2 stops35h 20m

$1,083

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 5/2

9:20 am-10:34 pm

2 stops27h 14m

Philadelphia

Sat 5/9

3:25 pm-7:20 am

2 stops49h 55m

$1,105

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/22

9:20 am-11:43 pm

2 stops28h 23m

Philadelphia

Sat 4/25

3:30 pm-7:20 am

2 stops49h 50m

$1,112

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 5/2

9:20 am-10:34 pm

2 stops27h 14m

Philadelphia

Sat 5/9

10:05 am-7:20 am

3 stops31h 15m

$1,113

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 4/22

9:20 am-2:46 pm

3 stops43h 26m

Philadelphia

Sat 4/25

3:30 pm-7:20 am

2 stops49h 50m

$1,118

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

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Sydney is in October. Flight prices, which tend to average around $1,135, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Philadelphia, with average flight prices from Sydney averaging around $1,152.

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 $1,417 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 $1,153 on momondo.

Can stopping save me money on Sydney to Philadelphia flights?

You could potentially save up to 34% 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 March 2026, prices for Sydney to Philadelphia flights are approximately 0% 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	22h 58m
Direct flights	None

The fastest flight from Sydney to Philadelphia takes 22h 58m

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 22h 58m.
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.

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

North Wildwood

Dover

Lewes

Stone Harbor

Essington

New Castle

Vineland

Pottstown

Somers Point

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.