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 42% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 15 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?

United Airlines, Qantas Airways, and Qatar Airways 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 February 2026, 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.

$512 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.

8:00 am - 8:30 am

PHL

MEL

33h 30m

2 stops

12:00 pm - 9:31 pm

MEL

PHL

24h 31m

1 stop

$1,005United Airlines

Sun, Mar 15 - Sat, Mar 21

12:29 pm - 6:50 am

PHL

SYD

28h 21m

2 stops

9:15 am - 10:12 pm

SYD

PHL

26h 57m

2 stops

$1,015Delta

Wed, May 6 - Wed, May 20

2:18 pm - 9:00 am

PHL

SYD

27h 42m

1 stop

11:20 am - 7:42 pm

SYD

PHL

23h 22m

1 stop

$1,041Qantas Airways

Mon, Mar 9 - Mon, Mar 23

7:00 pm - 9:00 am

PHL

SYD

23h 00m

1 stop

11:20 am - 7:42 pm

SYD

PHL

23h 22m

1 stop

$1,042Qantas Airways

Mon, Mar 9 - Mon, Mar 23

5:17 pm - 9:00 am

PHL

SYD

24h 43m

2 stops

11:20 am - 7:48 pm

SYD

PHL

23h 28m

2 stops

$1,044American Airlines

Mon, Mar 9 - Mon, Mar 23

5:17 pm - 9:00 am

PHL

SYD

24h 43m

2 stops

11:20 am - 7:46 pm

SYD

PHL

23h 26m

2 stops

$1,057American Airlines

Sun, Mar 8 - Wed, Mar 18

7:59 pm - 10:55 am

PHL

MEL

48h 56m

2 stops

12:10 pm - 10:25 pm

MEL

PHL

24h 15m

2 stops

$1,274Air New Zealand

Tue, Apr 21 - Wed, Apr 29

8:00 am - 11:05 am

PHL

BNE

37h 05m

2 stops

12:20 pm - 8:00 am

BNE

PHL

33h 40m

2 stops

$1,319Air New Zealand

Thu, Apr 23 - Sun, May 3

8:30 pm - 6:35 pm

PHL

PER

34h 05m

1 stop

10:45 pm - 9:00 am

PER

PHL

46h 15m

1 stop

$1,406Qatar Airways

Wed, Apr 22 - Fri, May 1

8:30 pm - 6:35 pm

PHL

PER

34h 05m

1 stop

10:45 pm - 9:00 am

PER

PHL

46h 15m

1 stop

$1,446Qatar Airways

Fri, Apr 24 - Fri, May 1

United Airlines flights from Philadelphia to Australia

Our best United Airlines deals on Philadelphia to Australia flight tickets

United Airlines

Mar 15

PHL2:52 pmPhiladelphia

26h 38m

2 stops

MEL8:30 amMelbourne

Mar 21

MEL10:30 amMelbourne

25h 39m

2 stops

PHL9:09 pmPhiladelphia

$1,005

United Airlines

Mar 8

PHL12:45 pmPhiladelphia

27h 15m

1 stop

SYD7:00 amSydney Kingsford Smith

Mar 18

SYD11:50 amSydney Kingsford Smith

21h 03m

1 stop

PHL5:53 pmPhiladelphia

$1,070

United Airlines

Jun 19

PHL6:23 pmPhiladelphia

22h 32m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 3

SYD10:20 amSydney Kingsford Smith

38h 06m

2 stops

PHL10:26 amPhiladelphia

$1,073

Air New Zealand flights from Philadelphia to Australia

Our best Air New Zealand deals on Philadelphia to Australia flight tickets

Air New Zealand

Apr 21

PHL7:59 pmPhiladelphia

48h 56m

2 stops

MEL10:55 amMelbourne

Apr 29

MEL12:10 pmMelbourne

24h 15m

2 stops

PHL10:25 pmPhiladelphia

$1,274

Air New Zealand

Apr 23

PHL8:00 amPhiladelphia

37h 05m

2 stops

BNE11:05 amBrisbane

May 3

BNE12:20 pmBrisbane

33h 40m

2 stops

PHL8:00 amPhiladelphia

$1,319

Air New Zealand

May 23

PHL1:04 pmPhiladelphia

29h 41m

2 stops

SYD8:45 amSydney Kingsford Smith

Oct 20

SYD11:55 amSydney Kingsford Smith

25h 30m

2 stops

PHL10:25 pmPhiladelphia

$1,320

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sun 3/15

8:00 am-8:30 am

2 stops33h 30m

Melbourne

Sat 3/21

12:00 pm-9:31 pm

1 stop24h 31m

$1,005

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 5/6

12:29 pm-6:50 am

2 stops28h 21m

Sydney Kingsford Smith

Wed 5/20

9:15 am-10:12 pm

2 stops26h 57m

$1,015

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/9

2:18 pm-9:00 am

1 stop27h 42m

Sydney Kingsford Smith

Mon 3/23

11:20 am-7:42 pm

1 stop23h 22m

$1,041

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/9

7:00 pm-9:00 am

1 stop23h 00m

Sydney Kingsford Smith

Mon 3/23

11:20 am-7:42 pm

1 stop23h 22m

$1,042

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/9

5:17 pm-9:00 am

2 stops24h 43m

Sydney Kingsford Smith

Mon 3/23

11:20 am-7:48 pm

2 stops23h 28m

$1,044

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 3/8

5:17 pm-9:00 am

2 stops24h 43m

Sydney Kingsford Smith

Wed 3/18

11:20 am-7:46 pm

2 stops23h 26m

$1,057

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 4/21

7:59 pm-10:55 am

2 stops48h 56m

Melbourne

Wed 4/29

12:10 pm-10:25 pm

2 stops24h 15m

$1,274

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Thu 4/23

8:00 am-11:05 am

2 stops37h 05m

Brisbane

Sun 5/3

12:20 pm-8:00 am

2 stops33h 40m

$1,319

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Wed 4/22

8:30 pm-6:35 pm

1 stop34h 05m

Perth

Fri 5/1

10:45 pm-9:00 am

1 stop46h 15m

$1,406

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Fri 4/24

8:30 pm-6:35 pm

1 stop34h 05m

Perth

Fri 5/1

10:45 pm-9:00 am

1 stop46h 15m

$1,446

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 April is, on average, the cheapest month to fly to Australia from Philadelphia, with most prices found around $1,045. If you aren’t able to travel during the month of April, then book flights to Australia from Philadelphia during February instead. Flights to Australia in February, while not as cheap as those in April, still average around $1,071.

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 $1,454 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 $991 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 22% 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	23h 40m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 23h 40m

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 February 2026, 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 8,239 reviews	Search Delta flights
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,346 reviews	Search United Airlines flights
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 10,745 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 998 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $954	Free Cancellation	Rating 8.0 228 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $1,198	Free Cancellation	Rating 7.2 11,342 reviews	Search American Airlines flights
Qatar Airways	PriceFrom $1,298	Free Cancellation	Rating 7.4 3,742 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 601 reviews	Search Air New Zealand 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.