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

Delta, Qantas Airways, and Qatar Airways are the most popular carriers operating from Philadelphia to Australia

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 45% 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.

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 March 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.

$473 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.

12:29 pm - 6:50 am

PHL

SYD

28h 21m

2 stops

9:15 am - 8:49 pm

SYD

PHL

25h 34m

2 stops

$904Delta

Sun, Apr 26 - Tue, May 12

11:45 am - 6:50 am

PHL

SYD

29h 05m

2 stops

9:15 am - 10:20 pm

SYD

PHL

27h 05m

2 stops

$955Delta

Sat, Aug 1 - Wed, Aug 12

1:00 pm - 6:50 am

PHL

SYD

27h 50m

2 stops

9:15 am - 8:33 pm

SYD

PHL

25h 18m

2 stops

$1,004Delta

Sat, Aug 1 - Sat, Aug 15

6:32 pm - 7:20 pm

PHL

MEL

34h 48m

2 stops

7:30 am - 10:47 pm

MEL

PHL

29h 17m

2 stops

$1,137Fiji Airways

Sat, Apr 25 - Sat, May 2

2:18 pm - 5:00 am

PHL

BNE

24h 42m

1 stop

7:55 am - 8:34 pm

BNE

PHL

26h 39m

2 stops

$1,167Qantas Airways

Tue, Mar 24 - Fri, Apr 10

3:44 pm - 8:50 am

PHL

BNE

27h 06m

2 stops

7:55 am - 8:34 pm

BNE

PHL

26h 39m

2 stops

$1,196Qantas Airways

Tue, Mar 24 - Fri, Apr 10

10:45 am - 5:00 am

PHL

BNE

28h 15m

1 stop

7:40 am - 6:48 pm

BNE

PHL

25h 08m

2 stops

$1,226American Airlines

Mon, Mar 30 - Wed, Apr 8

1:40 pm - 5:00 am

PHL

BNE

25h 20m

2 stops

7:40 am - 6:48 pm

BNE

PHL

25h 08m

2 stops

$1,230American Airlines

Mon, Mar 30 - Wed, Apr 8

10:25 am - 11:35 am

PHL

MEL

35h 10m

3 stops

8:30 pm - 3:38 pm

MEL

PHL

57h 08m

3 stops

$1,301Air Canada

Tue, May 19 - Mon, Jun 1

7:00 am - 3:55 pm

PHL

CNS

42h 55m

3 stops

4:35 pm - 9:34 pm

CNS

PHL

42h 59m

3 stops

$1,844Air Canada

Sun, Aug 9 - Wed, Sep 2

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

Apr 26

PHL12:29 pmPhiladelphia

28h 21m

2 stops

SYD6:50 amSydney Kingsford Smith

May 12

SYD9:15 amSydney Kingsford Smith

25h 34m

2 stops

PHL8:49 pmPhiladelphia

$904

Delta

Aug 1

PHL11:45 amPhiladelphia

29h 05m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 12

SYD9:15 amSydney Kingsford Smith

27h 05m

2 stops

PHL10:20 pmPhiladelphia

$955

Delta

Aug 1

PHL1:00 pmPhiladelphia

27h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 15

SYD9:15 amSydney Kingsford Smith

25h 18m

2 stops

PHL8:33 pmPhiladelphia

$1,004

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Mar 24

PHL2:18 pmPhiladelphia

24h 42m

1 stop

BNE5:00 amBrisbane

Apr 10

BNE7:55 amBrisbane

26h 39m

2 stops

PHL8:34 pmPhiladelphia

$1,167

Qantas Airways

Mar 24

PHL3:44 pmPhiladelphia

27h 06m

2 stops

BNE8:50 amBrisbane

Apr 10

BNE7:55 amBrisbane

26h 39m

2 stops

PHL8:34 pmPhiladelphia

$1,196

Qantas Airways

Apr 12

PHL3:43 pmPhiladelphia

23h 17m

1 stop

BNE5:00 amBrisbane

Apr 21

BNE8:35 pmBrisbane

23h 17m

1 stop

PHL5:52 amPhiladelphia

$1,222

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 4/26

12:29 pm-6:50 am

2 stops28h 21m

Sydney Kingsford Smith

Tue 5/12

9:15 am-8:49 pm

2 stops25h 34m

$904

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 8/1

11:45 am-6:50 am

2 stops29h 05m

Sydney Kingsford Smith

Wed 8/12

9:15 am-10:20 pm

2 stops27h 05m

$955

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 8/1

1:00 pm-6:50 am

2 stops27h 50m

Sydney Kingsford Smith

Sat 8/15

9:15 am-8:33 pm

2 stops25h 18m

$1,004

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sat 4/25

6:32 pm-7:20 pm

2 stops34h 48m

Melbourne

Sat 5/2

7:30 am-10:47 pm

2 stops29h 17m

$1,137

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 3/24

2:18 pm-5:00 am

1 stop24h 42m

Brisbane

Fri 4/10

7:55 am-8:34 pm

2 stops26h 39m

$1,167

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 3/24

3:44 pm-8:50 am

2 stops27h 06m

Brisbane

Fri 4/10

7:55 am-8:34 pm

2 stops26h 39m

$1,196

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 3/30

10:45 am-5:00 am

1 stop28h 15m

Brisbane

Wed 4/8

7:40 am-6:48 pm

2 stops25h 08m

$1,226

Quickest round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 3/30

1:40 pm-5:00 am

2 stops25h 20m

Brisbane

Wed 4/8

7:40 am-6:48 pm

2 stops25h 08m

$1,230

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 5/19

10:25 am-11:35 am

3 stops35h 10m

Melbourne

Mon 6/1

8:30 pm-3:38 pm

3 stops57h 08m

$1,301

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 8/9

7:00 am-3:55 pm

3 stops42h 55m

Cairns

Wed 9/2

4:35 pm-9:34 pm

3 stops42h 59m

$1,844

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 $959. 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 $1,059.

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 $1,504 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 $1,073 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 8% 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 04m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 23h 04m

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 March 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 9,423 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,004 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $954	Free Cancellation	Rating 8.1 232 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.1 11,464 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 610 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,443	Free Cancellation	Rating 7.4 3,740 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.