How long does it take to fly to Sydney?

Flight times from Pennsylvania to Sydney vary, but if you’re flying out of Philadelphia and flying into Sydney (one of the most popular routes), then the duration is 22h 42m on average. Another popular route from Pennsylvania to Sydney is flying from Pittsburgh to Sydney, which will take roughly 22h 59m. Keep in mind that layovers or delays could extend your travel time.

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

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

What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Sydney from Pennsylvania according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

How many flights depart from Pennsylvania to Sydney on average per week?

As of December 2025, there are 6 flights per week flying from Pennsylvania to Sydney. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.

When did momondo last update prices for flights from Pennsylvania to Sydney Kingsford Smith Airport?

Prices for flights from Pennsylvania to Sydney Kingsford Smith Airport refresh daily.

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

As of December 2025, there are 10 operators available to choose from for flights from Pennsylvania to Sydney Kingsford Smith Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$499 Cheap Flights from Pennsylvania to Sydney in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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 Pennsylvania to Sydney

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:30 pm - 5:40 pm

PHL

SYD

35h 10m2 stops

11:20 am - 7:54 pm

SYD

PHL

24h 34m1 stop

$938Qantas Airways

Thu, Feb 5 - Sat, Feb 21

6:25 pm - 9:35 am

EWR

SYD

23h 10m1 stop

11:20 am - 4:53 pm

SYD

EWR

21h 33m1 stop

$945Air Canada

Mon, Feb 2 - Sun, Feb 15

6:25 pm - 2:25 pm

EWR

SYD

28h 00m2 stops

11:20 am - 4:53 pm

SYD

EWR

21h 33m1 stop

$954Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

6:25 pm - 1:00 pm

EWR

SYD

26h 35m2 stops

11:20 am - 4:53 pm

SYD

EWR

21h 33m1 stop

$955Multiple Airlines

Mon, Feb 2 - Sun, Feb 15

4:59 pm - 7:30 am

DCA

SYD

23h 31m1 stop

9:10 am - 8:53 pm

SYD

DCA

25h 43m1 stop

$958American Airlines

Wed, Apr 1 - Tue, Apr 28

11:22 am - 9:00 am

IAD

SYD

29h 38m2 stops

9:10 am - 11:59 pm

SYD

IAD

28h 49m2 stops

$962American Airlines

Tue, Feb 17 - Tue, May 26

8:00 am - 7:00 am

PHL

SYD

31h 00m1 stop

11:50 am - 10:57 pm

SYD

PHL

27h 07m1 stop

$995United Airlines

Mon, Feb 16 - Tue, Feb 24

3:36 pm - 7:00 am

LGA

SYD

23h 24m1 stop

11:50 am - 8:51 pm

SYD

LGA

24h 01m1 stop

$995United Airlines

Tue, Feb 17 - Mon, Mar 9

6:00 am - 8:30 am

PIT

SYD

34h 30m2 stops

10:40 am - 4:37 pm

SYD

PIT

21h 57m2 stops

$1,237Delta

Wed, Feb 4 - Wed, Feb 11

1:42 pm - 7:25 am

PIT

SYD

26h 43m2 stops

9:40 am - 11:49 pm

SYD

PIT

29h 09m2 stops

$1,287Delta

Sun, Mar 15 - Sat, Mar 28

Qantas Airways flights from Pennsylvania to Sydney

Our best Qantas Airways deals on Pennsylvania to Sydney flight tickets

Qantas Airways

Feb 21

DCA4:59 pmWashington, D.C. Reagan-National

24h 01m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD9:25 pmSydney Kingsford Smith

36h 34m

1 stop

DCA5:59 pmWashington, D.C. Reagan-National

$949

Find similar

Qantas Airways

Feb 24

DCA8:30 amWashington, D.C. Reagan-National

30h 55m

1 stop

SYD7:25 amSydney Kingsford Smith

Mar 17

SYD5:45 pmSydney Kingsford Smith

37h 14m

1 stop

DCA3:59 pmWashington, D.C. Reagan-National

$973

Find similar

Qantas Airways

Feb 15

PHL8:25 amPhiladelphia

29h 45m

1 stop

SYD6:10 amSydney Kingsford Smith

Feb 26

SYD7:05 amSydney Kingsford Smith

32h 34m

2 stops

PHL11:39 pmPhiladelphia

$989

Find similar

American Airlines flights from Pennsylvania to Sydney

Our best American Airlines deals on Pennsylvania to Sydney flight tickets

American Airlines

Feb 17

IAD11:22 amWashington, D.C. Dulles Intl

29h 38m

2 stops

SYD9:00 amSydney Kingsford Smith

May 26

SYD9:10 amSydney Kingsford Smith

28h 49m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

$962

Find similar

American Airlines

Feb 24

IAD3:13 pmWashington, D.C. Dulles Intl

25h 47m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 24

SYD5:45 pmSydney Kingsford Smith

30h 03m

2 stops

IAD8:48 amWashington, D.C. Dulles Intl

$963

Find similar

American Airlines

Feb 20

IAD2:06 pmWashington, D.C. Dulles Intl

26h 54m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

27h 28m

2 stops

IAD10:48 pmWashington, D.C. Dulles Intl

$985

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 2/5

2:30 pm-5:40 pm

2 stops35h 10m

Sydney Kingsford Smith

Sat 2/21

11:20 am-7:54 pm

1 stop24h 34m

$938

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 2/2

6:25 pm-9:35 am

1 stop23h 10m

Sydney Kingsford Smith

Sun 2/15

11:20 am-4:53 pm

1 stop21h 33m

$945

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 2/4

6:25 pm-2:25 pm

2 stops28h 00m

Sydney Kingsford Smith

Wed 2/11

11:20 am-4:53 pm

1 stop21h 33m

$954

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 2/2

6:25 pm-1:00 pm

2 stops26h 35m

Sydney Kingsford Smith

Sun 2/15

11:20 am-4:53 pm

1 stop21h 33m

$955

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/1

4:59 pm-7:30 am

1 stop23h 31m

Sydney Kingsford Smith

Tue 4/28

9:10 am-8:53 pm

1 stop25h 43m

$958

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/17

11:22 am-9:00 am

2 stops29h 38m

Sydney Kingsford Smith

Tue 5/26

9:10 am-11:59 pm

2 stops28h 49m

$962

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/16

8:00 am-7:00 am

1 stop31h 00m

Sydney Kingsford Smith

Tue 2/24

11:50 am-10:57 pm

1 stop27h 07m

$995

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 2/17

3:36 pm-7:00 am

1 stop23h 24m

Sydney Kingsford Smith

Mon 3/9

11:50 am-8:51 pm

1 stop24h 01m

$995

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Wed 2/4

6:00 am-8:30 am

2 stops34h 30m

Sydney Kingsford Smith

Wed 2/11

10:40 am-4:37 pm

2 stops21h 57m

$1,237

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sun 3/15

1:42 pm-7:25 am

2 stops26h 43m

Sydney Kingsford Smith

Sat 3/28

9:40 am-11:49 pm

2 stops29h 09m

$1,287

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 Pennsylvania to Sydney

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

Other information

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Pennsylvania to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,059. If you are unable to visit Sydney during the month of February, then departing from Pennsylvania during the month September is also very affordable. Most momondo users find prices during this month for around $1,097.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Pennsylvania to Sydney is on a Sunday when prices can be found for as low as $1,373. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,659.

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

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Pennsylvania to Sydney in the morning for as low as $1,449. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $2,063. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,424 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Pennsylvania for as low as $1,050 on momondo.

Can stopping save me money on Pennsylvania to Sydney flights?

You could potentially save up to 9% on your flight if you consider stops on a Pennsylvania to Sydney flight.

Cheap Pennsylvania to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Sydney

Fastest flight time	22h 30m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Sydney	1 airport

The fastest flight from Pennsylvania to Sydney takes 22h 30m

Direct flights go from Pennsylvania to Sydney on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Sydney. From Pennsylvania there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

When did momondo last update prices for flights from Pennsylvania to Sydney Kingsford Smith Airport?
Prices for flights from Pennsylvania to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Pennsylvania to Sydney Kingsford Smith Airport?
As of December 2025, there are 10 operators available to choose from for flights from Pennsylvania to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Pennsylvania to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Pennsylvania to Sydney

Compare and see reviews for airlines that fly from Pennsylvania to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $535	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
United Airlines	PriceFrom $859	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,044	Free Cancellation	Rating 7.5 949 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 556 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $1,282	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $1,288	Free Cancellation	Rating 8.0 211 reviews	Search Fiji Airways flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Randwick

Coogee

Manly

Penrith

Cronulla

Lithgow

Leura

Charlestown

Terrigal

Swansea

Why use momondo?

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

Finding the right flight to Sydney from Pennsylvania is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Sydney from Pennsylvania with this policy.

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

momondo provides multiple filters to help you find the best flight to Sydney from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Pennsylvania to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 1/22

Thu 1/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Airports servicing New South Wales

Popular cities in Australia

Flights to Melbournefrom $664

Flights to Brisbanefrom $689

Flights to Perthfrom $1,007

Flights to Adelaidefrom $892

Flights to Cairnsfrom $1,015

Flights to Coolangattafrom $945

Flights to Hobartfrom $1,016

Flights to Canberrafrom $1,049

Flights to Darwinfrom $1,140

Flights to Maroochydorefrom $981

Flights to Launcestonfrom $1,083

Flights to Townsvillefrom $1,178

Cheap flights from Pennsylvania to Sydney from $499

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Sydney departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Pennsylvania to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Qantas Airways flights from Pennsylvania to Sydney

Our best Qantas Airways deals on Pennsylvania to Sydney flight tickets

American Airlines flights from Pennsylvania to Sydney

Our best American Airlines deals on Pennsylvania to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Pennsylvania to Sydney that are best for you.

See travel insights to Sydney from

How to get the cheapest flight ticket from Pennsylvania to Sydney

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Pennsylvania to Sydney is on a Sunday when prices can be found for as low as $1,373. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,659.

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

How far in advance should I book a flight to Sydney?

Can stopping save me money on Pennsylvania to Sydney flights?

You could potentially save up to 9% on your flight if you consider stops on a Pennsylvania to Sydney flight.

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

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

What airlines fly to Sydney?

How many flights depart from Pennsylvania to Sydney on average per week?

As of December 2025, there are 6 flights per week flying from Pennsylvania to Sydney. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.

How long does it take to fly to Sydney?

Cheap Pennsylvania to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Sydney

Fastest flight time

Direct flights

Airports in Sydney

When did momondo last update prices for flights from Pennsylvania to Sydney Kingsford Smith Airport?

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

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

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Best airlines flying from Pennsylvania to Sydney

Compare and see reviews for airlines that fly from Pennsylvania to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

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

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

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

I’m not ready to book a flight from Pennsylvania to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize 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 Australia

Airports servicing New South Wales