What is the cheapest airline that flies from Philadelphia to Australia?

Fiji Airways, Qantas Airways, and American Airlines are the most popular carriers operating from Philadelphia to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and Delta are the top three most popular airlines that fly to Australia from Philadelphia according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 13 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Australia?

Prices for flights from Philadelphia Airport to Australia are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Australia?

As of November 2025, there are 8 operators available to choose from for flights from Philadelphia Airport to Australia.

How old do you have to be to fly from Philadelphia Airport to Australia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia 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.

$585 Cheap Flights from Philadelphia to Australia in 2025/26

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Cheap round-trip flights

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3:30 pm - 9:35 amPHL-SYD

26h 05m2 stops

11:20 am - 2:47 pmSYD-PHL

43h 27m2 stops

$996Air Canada

Find Deal

Mon, Feb 16 - Tue, Feb 24

3:30 pm - 9:35 amPHL-SYD

26h 05m2 stops

4:00 pm - 3:49 pmSYD-PHL

39h 49m2 stops

$997Air Canada

Find Deal

Wed, Nov 26 - Mon, Dec 15

2:30 pm - 9:00 amPHL-SYD

26h 30m1 stop

11:20 am - 11:41 pmSYD-PHL

28h 21m1 stop

$1,020Qantas Airways

Find Deal

Wed, Feb 11 - Tue, Mar 3

1:57 pm - 9:00 amPHL-SYD

27h 03m1 stop

11:20 am - 11:46 pmSYD-PHL

28h 26m1 stop

$1,045American Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 2

5:10 pm - 9:00 amPHL-SYD

23h 50m2 stops

11:20 am - 7:51 pmSYD-PHL

24h 31m2 stops

$1,049American Airlines

Find Deal

Sun, Dec 7 - Mon, Dec 22

10:35 am - 12:35 pmPHL-SYD

34h 00m2 stops

2:00 pm - 11:41 pmSYD-PHL

25h 41m2 stops

$1,053Fiji Airways

Find Deal

Wed, Feb 11 - Tue, Mar 3

8:15 am - 7:00 amPHL-SYD

30h 45m1 stop

12:10 pm - 7:41 pmSYD-PHL

23h 31m1 stop

$1,061United Airlines

Find Deal

Wed, Nov 26 - Mon, Dec 15

12:47 pm - 7:00 amPHL-SYD

26h 13m1 stop

12:10 pm - 7:41 pmSYD-PHL

23h 31m1 stop

$1,062United Airlines

Find Deal

Wed, Nov 26 - Mon, Dec 15

2:14 pm - 9:00 amPHL-SYD

26h 46m1 stop

2:35 pm - 2:27 pmSYD-PHL

39h 52m2 stops

$1,073Qantas Airways

Find Deal

Mon, Feb 16 - Thu, Feb 26

6:35 pm - 12:45 pmPHL-SYD

27h 10m2 stops

1:15 pm - 7:40 amSYD-PHL

32h 25m2 stops

$1,162Fiji Airways

Find Deal

Fri, Mar 27 - Sun, Apr 12

Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

Feb 16

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 24

SYD11:20 amSydney Kingsford Smith

43h 27m

2 stops

PHL2:47 pmPhiladelphia

$996

Find similar

Air Canada

Nov 26

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

Dec 15

SYD4:00 pmSydney Kingsford Smith

39h 49m

2 stops

PHL3:49 pmPhiladelphia

$997

Find similar

Air Canada

Feb 16

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 24

SYD11:20 amSydney Kingsford Smith

43h 27m

3 stops

PHL2:47 pmPhiladelphia

$1,002

Find similar

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Feb 11

PHL2:30 pmPhiladelphia

26h 30m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

28h 21m

1 stop

PHL11:41 pmPhiladelphia

$1,020

Find similar

Qantas Airways

Feb 16

PHL2:14 pmPhiladelphia

26h 46m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 26

SYD2:35 pmSydney Kingsford Smith

39h 52m

2 stops

PHL2:27 pmPhiladelphia

$1,073

Find similar

Qantas Airways

Nov 27

PHL11:00 amPhiladelphia

30h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

Dec 10

SYD7:15 pmSydney Kingsford Smith

38h 03m

2 stops

PHL5:18 pmPhiladelphia

$1,074

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/16

3:30 pm-9:35 am

2 stops26h 05m

Sydney Kingsford Smith

Tue 2/24

11:20 am-2:47 pm

2 stops43h 27m

$996

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 11/26

3:30 pm-9:35 am

2 stops26h 05m

Sydney Kingsford Smith

Mon 12/15

4:00 pm-3:49 pm

2 stops39h 49m

$997

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 2/11

2:30 pm-9:00 am

1 stop26h 30m

Sydney Kingsford Smith

Tue 3/3

11:20 am-11:41 pm

1 stop28h 21m

$1,020

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/25

1:57 pm-9:00 am

1 stop27h 03m

Sydney Kingsford Smith

Tue 12/2

11:20 am-11:46 pm

1 stop28h 26m

$1,045

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 12/7

5:10 pm-9:00 am

2 stops23h 50m

Sydney Kingsford Smith

Mon 12/22

11:20 am-7:51 pm

2 stops24h 31m

$1,049

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 2/11

10:35 am-12:35 pm

2 stops34h 00m

Sydney Kingsford Smith

Tue 3/3

2:00 pm-11:41 pm

2 stops25h 41m

$1,053

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 11/26

8:15 am-7:00 am

1 stop30h 45m

Sydney Kingsford Smith

Mon 12/15

12:10 pm-7:41 pm

1 stop23h 31m

$1,061

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 11/26

12:47 pm-7:00 am

1 stop26h 13m

Sydney Kingsford Smith

Mon 12/15

12:10 pm-7:41 pm

1 stop23h 31m

$1,062

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/16

2:14 pm-9:00 am

1 stop26h 46m

Sydney Kingsford Smith

Thu 2/26

2:35 pm-2:27 pm

2 stops39h 52m

$1,073

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 3/27

6:35 pm-12:45 pm

2 stops27h 10m

Sydney Kingsford Smith

Sun 4/12

1:15 pm-7:40 am

2 stops32h 25m

$1,162

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Philadelphia to Australia

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 Australia?

The month of February is, on average, the cheapest month to fly to Australia from Philadelphia, with most prices found around $1,093. If you aren’t able to travel during the month of February, then book flights to Australia from Philadelphia during September instead. Flights to Australia in September, while not as cheap as those in February, still average around $1,127.

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

The cheapest day to depart from Philadelphia to Australia is on a Sunday. Travelers who choose to depart for Australia on a Sunday will often find tickets for as low as $1,373. On the other hand, Thursday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,659.

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

Flying to Australia from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,449 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,063 on average. Flights to Australia from Philadelphia in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Australia from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,493 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Philadelphia for as low as $1,149 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 31% on your flight if you consider stops on a Philadelphia to Australia flight.

Cheap Philadelphia to Australia flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Philadelphia Airport to Australia?
Prices for flights from Philadelphia Airport to Australia are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Australia?
As of November 2025, there are 8 operators available to choose from for flights from Philadelphia Airport to Australia.
How old do you have to be to fly from Philadelphia Airport to Australia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia 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.

Best airlines flying from Philadelphia to Australia

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $535	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
United Airlines	PriceFrom $860	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,405 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $945	Free Cancellation	Rating 8.1 209 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $1,148	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 521 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,661 reviews	Search Qatar Airways flights
Qantas Airways	PriceFrom $1,309	Free Cancellation	Rating 7.5 927 reviews	Search Qantas Airways flights

Why use momondo?

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

Finding the right flight to Australia 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 Australia quick and easy, saving you time and money.

Can I find flights from Philadelphia to Australia with flexible booking policies on momondo?

Flights from Philadelphia to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

If you are not ready to book a flight from Philadelphia to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

An easier way to manage your Australia 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.

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Find better results for your trip to Australia

Popular cities in Australia

Flights to Sydneyfrom $729

Flights to Melbournefrom $824

Flights to Brisbanefrom $731

Flights to Perthfrom $954

Flights to Adelaidefrom $897

Flights to Cairnsfrom $954

Flights to Coolangattafrom $985

Flights to Hobartfrom $1,003

Flights to Canberrafrom $947

Flights to Darwinfrom $1,057

Flights to Maroochydorefrom $1,026

Flights to Launcestonfrom $1,330

Cheap flights from Philadelphia to Australia from $585

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 Australia departing on 2/3. 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

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Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

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

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How to get the cheapest flight ticket from Philadelphia to Australia

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

What is the cheapest month to fly to Australia?

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

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

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

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 31% on your flight if you consider stops on a Philadelphia to Australia flight.

What is the cheapest airline that flies from Philadelphia to Australia?

Fiji Airways, Qantas Airways, and American Airlines are the most popular carriers operating from Philadelphia to Australia

What airlines fly to Australia?

Cheap Philadelphia to Australia flight deals and tips

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

Direct flights

When did momondo last update prices for flights from Philadelphia Airport to Australia?

How many operators does momondo search for flights from Philadelphia Airport to Australia?

How old do you have to be to fly from Philadelphia Airport to Australia?

What documentation or ID do you need to fly to Australia?

Best airlines flying from Philadelphia to Australia

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

Why use momondo?

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

Can I find flights from Philadelphia to Australia with flexible booking policies on momondo?

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

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

An easier way to manage your Australia 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

Popular cities in Australia

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