What airlines fly to Sydney?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Sydney from Philadelphia according to our data. Qantas Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Delta is the most popular carrier operating from Philadelphia to Sydney Kingsford Smith

Which layover airport has the shortest connection time from Philadelphia to Sydney?

San Francisco (SFO) has the shortest average layover time for this route: 1h 39m.

Which airport is the most popular layover for flights between Philadelphia and Sydney?

Los Angeles (LAX) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Philadelphia to Sydney?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 22h 38m.

Which layover airport offers the lowest fares from Philadelphia to Sydney?

Flights via Dallas (DFW) offer the lowest average round-trip price of $1,055.

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

Prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

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

As of May 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Sydney Kingsford Smith Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Sydney Kingsford Smith Airport.

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

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$688 Cheap Flights from Philadelphia to Sydney in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $1,573 to $1,400. The lowest price recently found on this route was $1,218.

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 Philadelphia to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:10 pm

PHL

SYD

47h 10m

2 stops

8:55 pm - 2:10 pm

SYD

PHL

31h 15m

2 stops

$1,218ANA

Tue, Jul 7 - Tue, Jul 21

4:35 pm - 8:35 am

PHL

SYD

49h 00m

2 stops

11:20 am - 3:44 pm

SYD

PHL

43h 24m

2 stops

$1,289Air Canada

Mon, Oct 26 - Sun, Nov 1

3:20 pm - 9:35 am

PHL

SYD

26h 15m

2 stops

11:20 am - 2:44 pm

SYD

PHL

43h 24m

2 stops

$1,291Air Canada

Sun, Nov 8 - Wed, Nov 18

10:05 am - 8:20 am

PHL

SYD

31h 15m

2 stops

10:20 am - 2:44 pm

SYD

PHL

43h 24m

2 stops

$1,292Air Canada

Sun, Oct 18 - Tue, Oct 27

3:20 pm - 9:35 am

PHL

SYD

26h 15m

2 stops

11:20 am - 2:44 pm

SYD

PHL

43h 24m

2 stops

$1,293Air Canada

Tue, Nov 3 - Tue, Nov 17

3:20 pm - 9:35 am

PHL

SYD

26h 15m

2 stops

11:20 am - 10:56 pm

SYD

PHL

27h 36m

2 stops

$1,297Air Canada

Sun, Nov 8 - Wed, Nov 18

3:20 pm - 8:35 am

PHL

SYD

26h 15m

2 stops

11:20 am - 2:44 pm

SYD

PHL

43h 24m

3 stops

$1,300Air Canada

Mon, Oct 26 - Wed, Nov 11

3:25 pm - 8:20 am

PHL

SYD

49h 55m

2 stops

11:20 am - 3:44 pm

SYD

PHL

43h 24m

2 stops

$1,301Air Canada

Sat, Oct 17 - Sun, Nov 1

3:25 pm - 7:20 am

PHL

SYD

49h 55m

2 stops

9:20 am - 9:34 pm

SYD

PHL

26h 14m

2 stops

$1,302Air Canada

Mon, Jun 22 - Wed, Jul 15

1:04 pm - 7:20 am

PHL

SYD

28h 16m

2 stops

9:20 am - 9:34 pm

SYD

PHL

26h 14m

2 stops

$1,303Multiple Airlines

Tue, Jun 23 - Wed, Jul 15

Air Canada flights from Philadelphia to Sydney

Our best Air Canada deals on Philadelphia to Sydney flight tickets

Air Canada

May 30

PHL3:25 pmPhiladelphia

49h 55m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 14

SYD9:20 amSydney Kingsford Smith

34h 11m

2 stops

PHL5:31 amPhiladelphia

$1,285

Air Canada

Oct 26

PHL4:35 pmPhiladelphia

49h 00m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 1

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL3:44 pmPhiladelphia

$1,289

Air Canada

Nov 8

PHL3:20 pmPhiladelphia

26h 15m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 18

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,291

ANA flights from Philadelphia to Sydney

Our best ANA deals on Philadelphia to Sydney flight tickets

ANA

Jul 7

PHL6:00 amPhiladelphia

47h 10m

2 stops

SYD7:10 pmSydney Kingsford Smith

Jul 21

SYD8:55 pmSydney Kingsford Smith

31h 15m

2 stops

PHL2:10 pmPhiladelphia

$1,218

ANA

May 30

PHL3:25 pmPhiladelphia

49h 55m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 14

SYD9:20 amSydney Kingsford Smith

44h 19m

1 stop

PHL3:39 pmPhiladelphia

$1,316

ANA

Aug 22

PHL8:20 amPhiladelphia

35h 05m

2 stops

SYD9:25 amSydney Kingsford Smith

Sep 2

SYD11:45 amSydney Kingsford Smith

40h 36m

2 stops

PHL2:21 pmPhiladelphia

$1,339

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 7/7

6:00 am-7:10 pm

2 stops47h 10m

Sydney Kingsford Smith

Tue 7/21

8:55 pm-2:10 pm

2 stops31h 15m

$1,218

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 10/26

4:35 pm-8:35 am

2 stops49h 00m

Sydney Kingsford Smith

Sun 11/1

11:20 am-3:44 pm

2 stops43h 24m

$1,289

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 11/8

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 11/18

11:20 am-2:44 pm

2 stops43h 24m

$1,291

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 10/18

10:05 am-8:20 am

2 stops31h 15m

Sydney Kingsford Smith

Tue 10/27

10:20 am-2:44 pm

2 stops43h 24m

$1,292

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/3

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Tue 11/17

11:20 am-2:44 pm

2 stops43h 24m

$1,293

Quickest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 11/8

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 11/18

11:20 am-10:56 pm

2 stops27h 36m

$1,297

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 10/26

3:20 pm-8:35 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 11/11

11:20 am-2:44 pm

3 stops43h 24m

$1,300

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 10/17

3:25 pm-8:20 am

2 stops49h 55m

Sydney Kingsford Smith

Sun 11/1

11:20 am-3:44 pm

2 stops43h 24m

$1,301

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 6/22

3:25 pm-7:20 am

2 stops49h 55m

Sydney Kingsford Smith

Wed 7/15

9:20 am-9:34 pm

2 stops26h 14m

$1,302

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 6/23

1:04 pm-7:20 am

2 stops28h 16m

Sydney Kingsford Smith

Wed 7/15

9:20 am-9:34 pm

2 stops26h 14m

$1,303

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 Philadelphia 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

Layovers

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

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Philadelphia 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 Philadelphia during the month March is also very affordable. Most momondo users find prices during this month for around $1,122.

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

You are more likely to see cheaper flights to Sydney from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Philadelphia for as low as $1,088 on momondo.

Can stopping save me money on Philadelphia to Sydney flights?

You could potentially save up to 40% on your flight if you consider stops on a Philadelphia to Sydney flight.

How have Philadelphia to Sydney flight prices changed over time?

When to book flights from Philadelphia to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Sydney (PHL to SYD) flight deals and tips

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

Fastest flight time	23h 47m
Direct flights	None

The fastest flight from Philadelphia to Sydney takes 23h 47m

There are no direct flights from Philadelphia to Sydney. There are no popular flight routes from Philadelphia to Sydney.

Search flight deals

Frequently asked questions about flying from Philadelphia to Sydney

How far is Philadelphia to Sydney Kingsford Smith by plane?
Philadelphia and Sydney Kingsford Smith are 9863.8 mi apart from one another. Flights usually cover this in 23h 47m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?
Prices for flights from Philadelphia Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Philadelphia Airport to Sydney Kingsford Smith Airport?
As of May 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Philadelphia Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Philadelphia to Sydney?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Sydney is Qantas Airways, representing 36% of all bookings. The subsequent popular airlines are American Airlines at 23%, United Airlines at 14%, and Fiji Airways at 13%.

Best airlines flying from Philadelphia to Sydney

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $843	Free Cancellation	Rating 7.4 9,749 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,045	Free Cancellation	Rating 7.5 1,042 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,066	Free Cancellation	Rating 7.1 11,090 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,198	Free Cancellation	Rating 7.1 11,629 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $1,256	Free Cancellation	Rating 8.1 242 reviews	Search Fiji Airways flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 648 reviews	Search Air New Zealand flights

Bondi Beach

Parramatta

Katoomba

Penrith

Wollongong

Leura

Randwick

Lithgow

Coogee

Manly

Cronulla

Terrigal

Charlestown

Swansea

Why use momondo?

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

Finding the right flight to Sydney from Philadelphia 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 Philadelphia to Sydney with flexible booking policies on momondo?

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

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

Once you have performed a search for Philadelphia to Sydney 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 Philadelphia to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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 6/25

Thu 7/2

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

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from Philadelphia

Complete your trip

Feeling lucky

Cheap flights from Philadelphia to Sydney from $688

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Sydney departing on 5/31. 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 Philadelphia to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air Canada flights from Philadelphia to Sydney

Our best Air Canada deals on Philadelphia to Sydney flight tickets

ANA flights from Philadelphia to Sydney

Our best ANA deals on Philadelphia to Sydney flight tickets

momondo Fare Finder

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

See travel insights to Sydney from

How to get the cheapest flight ticket from Philadelphia to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Philadelphia to Sydney flights?

How have Philadelphia to Sydney flight prices changed over time?

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

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Philadelphia and Sydney?

Which layover airport offers the lowest fares from Philadelphia to Sydney?

Which layover airport has the shortest travel time from Philadelphia to Sydney?

Which layover airport has the shortest connection time from Philadelphia to Sydney?

When to book flights from Philadelphia to Sydney

Cheap Philadelphia to Sydney (PHL to SYD) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Philadelphia to Sydney

Best airlines flying from Philadelphia to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

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

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Philadelphia

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year