What airlines fly to Australia?

United Airlines, Qantas Airways and Air Canada 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 38% 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.

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

Qantas Airways, United Airlines, and Air Tahiti Nui are the most popular carriers operating from Philadelphia to Australia

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 December 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.

$560 Cheap Flights from Philadelphia to Australia in 2025/26

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Find the cheapest flights from Philadelphia to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:23 pm - 9:30 am

PHL

MEL

27h 07m1 stop

6:45 am - 7:54 pm

MEL

PHL

29h 09m2 stops

$910Qantas Airways

Fri, Feb 20 - Wed, Mar 4

2:30 pm - 9:10 am

PHL

SYD

50h 40m2 stops

11:20 am - 11:48 pm

SYD

PHL

28h 28m1 stop

$939Qantas Airways

Sat, Jan 24 - Sun, Feb 1

12:40 pm - 7:00 am

PHL

SYD

26h 20m1 stop

11:50 am - 10:57 pm

SYD

PHL

27h 07m1 stop

$995United Airlines

Wed, Feb 11 - Mon, Feb 23

1:10 pm - 6:20 am

PHL

SYD

25h 10m2 stops

11:50 am - 10:57 pm

SYD

PHL

27h 07m1 stop

$1,000United Airlines

Wed, Feb 11 - Mon, Feb 23

8:30 am - 5:30 am

PHL

BNE

31h 00m1 stop

8:35 pm - 8:05 am

BNE

PHL

25h 30m1 stop

$1,343American Airlines

Wed, Mar 25 - Sun, Apr 5

12:08 pm - 6:30 am

PHL

BNE

27h 22m1 stop

9:40 am - 11:26 pm

BNE

PHL

28h 46m1 stop

$1,350American Airlines

Sun, Feb 1 - Sun, Feb 8

8:35 am - 1:45 pm

PHL

ADL

37h 40m2 stops

6:35 am - 9:52 pm

ADL

PHL

30h 47m3 stops

$1,731Air New Zealand

Thu, Jan 29 - Thu, Feb 5

12:34 pm - 4:25 pm

PHL

CBR

35h 51m3 stops

6:05 am - 10:25 pm

CBR

PHL

30h 20m3 stops

$1,747Air New Zealand

Sun, Feb 1 - Wed, Sep 30

7:50 am - 3:30 pm

PHL

PER

42h 40m3 stops

10:55 pm - 10:46 pm

PER

PHL

36h 51m3 stops

$2,002Air Canada

Sun, Feb 15 - Mon, Feb 23

7:50 am - 8:20 pm

PHL

PER

47h 30m3 stops

10:55 pm - 10:46 pm

PER

PHL

36h 51m3 stops

$2,052Air Canada

Mon, Mar 2 - Thu, Mar 5

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

Jan 24

PHL10:30 amPhiladelphia

28h 20m

2 stops

SYD6:50 amSydney Kingsford Smith

Feb 9

SYD10:40 amSydney Kingsford Smith

28h 10m

2 stops

PHL10:50 pmPhiladelphia

$1,143

Find similar

Delta

Jan 31

PHL12:23 pmPhiladelphia

28h 07m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 7

SYD10:40 amSydney Kingsford Smith

26h 00m

2 stops

PHL8:40 pmPhiladelphia

$1,218

Find similar

Delta

Dec 24

PHL7:05 amPhiladelphia

33h 25m

2 stops

SYD8:30 amSydney Kingsford Smith

Jan 6

SYD2:15 pmSydney Kingsford Smith

24h 59m

2 stops

PHL11:14 pmPhiladelphia

$2,918

Find similar

Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

Jan 24

PHL3:30 pmPhiladelphia

50h 05m

3 stops

SYD9:35 amSydney Kingsford Smith

Feb 9

SYD11:20 amSydney Kingsford Smith

43h 27m

2 stops

PHL2:47 pmPhiladelphia

$1,222

Find similar

Air Canada

Jan 24

PHL3:30 pmPhiladelphia

50h 05m

3 stops

SYD9:35 amSydney Kingsford Smith

Feb 9

SYD11:20 amSydney Kingsford Smith

43h 27m

3 stops

PHL2:47 pmPhiladelphia

$1,229

Find similar

Air Canada

Jan 27

PHL3:30 pmPhiladelphia

26h 05m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 12

SYD11:20 amSydney Kingsford Smith

43h 27m

3 stops

PHL2:47 pmPhiladelphia

$1,286

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Fri 2/20

2:23 pm-9:30 am

1 stop27h 07m

Melbourne

Wed 3/4

6:45 am-7:54 pm

2 stops29h 09m

$910

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 1/24

2:30 pm-9:10 am

2 stops50h 40m

Sydney Kingsford Smith

Sun 2/1

11:20 am-11:48 pm

1 stop28h 28m

$939

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 2/11

12:40 pm-7:00 am

1 stop26h 20m

Sydney Kingsford Smith

Mon 2/23

11:50 am-10:57 pm

1 stop27h 07m

$995

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 2/11

1:10 pm-6:20 am

2 stops25h 10m

Sydney Kingsford Smith

Mon 2/23

11:50 am-10:57 pm

1 stop27h 07m

$1,000

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 3/25

8:30 am-5:30 am

1 stop31h 00m

Brisbane

Sun 4/5

8:35 pm-8:05 am

1 stop25h 30m

$1,343

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 2/1

12:08 pm-6:30 am

1 stop27h 22m

Brisbane

Sun 2/8

9:40 am-11:26 pm

1 stop28h 46m

$1,350

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Thu 1/29

8:35 am-1:45 pm

2 stops37h 40m

Adelaide

Thu 2/5

6:35 am-9:52 pm

3 stops30h 47m

$1,731

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Sun 2/1

12:34 pm-4:25 pm

3 stops35h 51m

Canberra

Wed 9/30

6:05 am-10:25 pm

3 stops30h 20m

$1,747

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Sun 2/15

7:50 am-3:30 pm

3 stops42h 40m

Perth

Mon 2/23

10:55 pm-10:46 pm

3 stops36h 51m

$2,002

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 3/2

7:50 am-8:20 pm

3 stops47h 30m

Perth

Thu 3/5

10:55 pm-10:46 pm

3 stops36h 51m

$2,052

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 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 $1,083. 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 $1,097.

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 $1,427 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 $1,050 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 19% 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

Fastest flight time	22h 50m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 22h 50m

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 December 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 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $859	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $945	Free Cancellation	Rating 8.1 210 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $1,044	Free Cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 554 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,686 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $1,350	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines 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.