What airlines fly to Australia?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Australia from Philadelphia according to our data. Qantas Airways is the first choice among our users, with 46% 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?

Qatar Airways, American Airlines, and Delta 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 April 2026, there are 7 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.

$580 Cheap Flights from Philadelphia to Australia in 2026

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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.

8:30 pm - 4:55 am

PHL

MEL

42h 25m

1 stop

3:10 pm - 9:00 am

MEL

PHL

31h 50m

1 stop

$1,220Qatar Airways

Wed, Sep 16 - Wed, Sep 23

5:30 pm - 7:20 pm

PHL

MEL

35h 50m

2 stops

7:30 am - 10:53 pm

MEL

PHL

29h 23m

2 stops

$1,253Multiple Airlines

Sat, May 30 - Sat, Jun 6

5:37 pm - 7:05 am

PHL

SYD

23h 28m

1 stop

9:10 am - 6:54 pm

SYD

PHL

23h 44m

1 stop

$1,273Qantas Airways

Tue, May 12 - Tue, May 19

5:40 pm - 7:05 am

PHL

SYD

23h 25m

1 stop

9:10 am - 6:35 pm

SYD

PHL

23h 25m

1 stop

$1,274Qantas Airways

Mon, Jun 1 - Tue, Jun 9

5:30 pm - 7:05 am

PHL

SYD

23h 35m

2 stops

9:25 pm - 5:50 am

SYD

PHL

22h 25m

1 stop

$1,305American Airlines

Mon, Sep 14 - Sun, Sep 27

1:28 pm - 7:05 am

PHL

SYD

27h 37m

1 stop

9:10 am - 6:34 pm

SYD

PHL

23h 24m

1 stop

$1,306American Airlines

Mon, Sep 14 - Sun, Sep 27

9:25 am - 11:05 am

PHL

BNE

35h 40m

2 stops

12:20 pm - 7:50 am

BNE

PHL

33h 30m

2 stops

$1,379Air New Zealand

Tue, Jun 2 - Wed, Jun 17

9:25 am - 11:05 am

PHL

ADL

36h 10m

2 stops

6:05 am - 1:29 am

ADL

PHL

32h 54m

2 stops

$1,495United Airlines

Tue, Jun 16 - Wed, Jul 8

9:25 am - 11:05 am

PHL

ADL

36h 10m

2 stops

6:05 am - 5:31 am

ADL

PHL

36h 56m

3 stops

$1,496United Airlines

Sun, Jun 14 - Wed, Jul 8

8:00 am - 10:45 am

PHL

CNS

36h 45m

2 stops

6:00 am - 10:29 pm

CNS

PHL

30h 29m

3 stops

$2,070Air New Zealand

Thu, May 14 - Thu, May 21

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

May 12

PHL5:37 pmPhiladelphia

23h 28m

1 stop

SYD7:05 amSydney Kingsford Smith

May 19

SYD9:10 amSydney Kingsford Smith

23h 44m

1 stop

PHL6:54 pmPhiladelphia

$1,273

Qantas Airways

Jun 1

PHL5:40 pmPhiladelphia

23h 25m

1 stop

SYD7:05 amSydney Kingsford Smith

Jun 9

SYD9:10 amSydney Kingsford Smith

23h 25m

1 stop

PHL6:35 pmPhiladelphia

$1,274

Qantas Airways

May 3

PHL3:43 pmPhiladelphia

25h 47m

1 stop

SYD7:30 amSydney Kingsford Smith

May 10

SYD9:10 amSydney Kingsford Smith

21h 15m

1 stop

PHL4:25 pmPhiladelphia

$1,275

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

May 18

PHL2:23 pmPhiladelphia

26h 27m

2 stops

SYD6:50 amSydney Kingsford Smith

May 26

SYD9:15 amSydney Kingsford Smith

26h 57m

2 stops

PHL10:12 pmPhiladelphia

$1,321

Delta

May 31

PHL7:01 pmPhiladelphia

46h 49m

2 stops

MEL7:50 amMelbourne

Jun 7

MEL10:00 amMelbourne

27h 59m

2 stops

PHL11:59 pmPhiladelphia

$1,487

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Wed 9/16

8:30 pm-4:55 am

1 stop42h 25m

Melbourne

Wed 9/23

3:10 pm-9:00 am

1 stop31h 50m

$1,220

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sat 5/30

5:30 pm-7:20 pm

2 stops35h 50m

Melbourne

Sat 6/6

7:30 am-10:53 pm

2 stops29h 23m

$1,253

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 5/12

5:37 pm-7:05 am

1 stop23h 28m

Sydney Kingsford Smith

Tue 5/19

9:10 am-6:54 pm

1 stop23h 44m

$1,273

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 6/1

5:40 pm-7:05 am

1 stop23h 25m

Sydney Kingsford Smith

Tue 6/9

9:10 am-6:35 pm

1 stop23h 25m

$1,274

Quickest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 9/14

5:30 pm-7:05 am

2 stops23h 35m

Sydney Kingsford Smith

Sun 9/27

9:25 pm-5:50 am

1 stop22h 25m

$1,305

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 9/14

1:28 pm-7:05 am

1 stop27h 37m

Sydney Kingsford Smith

Sun 9/27

9:10 am-6:34 pm

1 stop23h 24m

$1,306

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 6/2

9:25 am-11:05 am

2 stops35h 40m

Brisbane

Wed 6/17

12:20 pm-7:50 am

2 stops33h 30m

$1,379

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 6/16

9:25 am-11:05 am

2 stops36h 10m

Adelaide

Wed 7/8

6:05 am-1:29 am

2 stops32h 54m

$1,495

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 6/14

9:25 am-11:05 am

2 stops36h 10m

Adelaide

Wed 7/8

6:05 am-5:31 am

3 stops36h 56m

$1,496

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 5/14

8:00 am-10:45 am

2 stops36h 45m

Cairns

Thu 5/21

6:00 am-10:29 pm

3 stops30h 29m

$2,070

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 $1,059. If you aren’t able to travel during the month of February, then book flights to Australia from Philadelphia during March instead. Flights to Australia in March, while not as cheap as those in February, still average around $1,122.

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 $1,488 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 $1,136 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 24% 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 38m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 22h 38m

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

Search flight deals

Frequently asked questions about flying 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 April 2026, there are 7 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
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,603 reviews	Search United Airlines flights
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 10,939 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,020 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $954	Free Cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $1,198	Free Cancellation	Rating 7.1 11,618 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 630 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,447	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar 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.