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

Qatar Airways, Delta, and Qantas 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 46% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 11 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 July 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.

$652 Cheap Flights from Philadelphia to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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 - 6:50 am

PHL

SYD

42h 20m

1 stop

3:50 pm - 2:40 pm

SYD

PHL

38h 50m

1 stop

$1,219Qatar Airways

Sun, Nov 8 - Wed, Nov 18

8:30 pm - 6:50 am

PHL

SYD

42h 20m

1 stop

3:50 pm - 2:40 pm

SYD

PHL

38h 50m

1 stop

$1,241Qatar Airways

Sun, Nov 8 - Wed, Nov 18

10:05 am - 7:05 am

PHL

BNE

31h 00m

2 stops

10:15 am - 9:43 am

BNE

PHL

37h 28m

2 stops

$1,244Air Canada

Sun, Aug 30 - Tue, Sep 15

10:05 am - 7:05 am

PHL

BNE

31h 00m

2 stops

10:00 am - 2:49 pm

BNE

PHL

42h 49m

2 stops

$1,250Air Canada

Sun, Aug 30 - Sun, Sep 6

3:25 pm - 7:05 am

PHL

BNE

49h 40m

2 stops

10:15 am - 9:32 pm

BNE

PHL

25h 17m

2 stops

$1,251Air Canada

Mon, Aug 24 - Tue, Sep 15

3:41 pm - 10:20 am

PHL

SYD

26h 39m

2 stops

2:05 pm - 7:33 pm

SYD

PHL

21h 28m

1 stop

$1,265Qantas Airways

Mon, Dec 21 - Wed, Dec 30

4:05 pm - 6:25 am

PHL

SYD

22h 20m

1 stop

11:05 am - 8:03 pm

SYD

PHL

24h 58m

2 stops

$1,272Qantas Airways

Sun, Nov 8 - Wed, Nov 18

6:36 pm - 11:10 am

PHL

ADL

27h 04m

2 stops

8:00 pm - 5:30 pm

ADL

PHL

35h 00m

2 stops

$1,494United Airlines

Sun, Aug 30 - Sun, Sep 6

5:39 pm - 1:05 pm

PHL

CBR

29h 26m

2 stops

6:10 am - 4:20 pm

CBR

PHL

24h 10m

2 stops

$1,645American Airlines

Fri, Aug 14 - Fri, Aug 21

12:40 pm - 11:40 am

PHL

CBR

32h 00m

3 stops

8:10 am - 9:26 pm

CBR

PHL

28h 16m

2 stops

$3,072United Airlines

Wed, Oct 28 - Sun, Nov 1

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Air New Zealand flights from Philadelphia to Australia

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

Air New Zealand

Oct 14

PHL8:00 amPhiladelphia

33h 20m

1 stop

SYD8:20 amSydney Kingsford Smith

Oct 21

SYD10:20 amSydney Kingsford Smith

27h 26m

1 stop

PHL10:46 pmPhiladelphia

$1,351

Air New Zealand

Oct 14

PHL10:35 amPhiladelphia

30h 45m

1 stop

SYD8:20 amSydney Kingsford Smith

Oct 28

SYD10:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,353

Air New Zealand

Oct 14

PHL10:35 amPhiladelphia

30h 45m

1 stop

SYD8:20 amSydney Kingsford Smith

Oct 21

SYD10:20 amSydney Kingsford Smith

26h 12m

2 stops

PHL9:32 pmPhiladelphia

$1,354

Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

Aug 30

PHL10:05 amPhiladelphia

31h 00m

2 stops

BNE7:05 amBrisbane

Sep 15

BNE10:15 amBrisbane

37h 28m

2 stops

PHL9:43 amPhiladelphia

$1,244

Air Canada

Aug 30

PHL10:05 amPhiladelphia

31h 00m

2 stops

BNE7:05 amBrisbane

Sep 6

BNE10:00 amBrisbane

42h 49m

2 stops

PHL2:49 pmPhiladelphia

$1,250

Air Canada

Aug 24

PHL3:25 pmPhiladelphia

49h 40m

2 stops

BNE7:05 amBrisbane

Sep 15

BNE10:15 amBrisbane

25h 17m

2 stops

PHL9:32 pmPhiladelphia

$1,251

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 11/8

8:30 pm-6:50 am

1 stop42h 20m

Sydney Kingsford Smith

Wed 11/18

3:50 pm-2:40 pm

1 stop38h 50m

$1,219

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 11/8

8:30 pm-6:50 am

1 stop42h 20m

Sydney Kingsford Smith

Wed 11/18

3:50 pm-2:40 pm

1 stop38h 50m

$1,241

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 8/30

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Tue 9/15

10:15 am-9:43 am

2 stops37h 28m

$1,244

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 8/30

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Sun 9/6

10:00 am-2:49 pm

2 stops42h 49m

$1,250

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 8/24

3:25 pm-7:05 am

2 stops49h 40m

Brisbane

Tue 9/15

10:15 am-9:32 pm

2 stops25h 17m

$1,251

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 12/21

3:41 pm-10:20 am

2 stops26h 39m

Sydney Kingsford Smith

Wed 12/30

2:05 pm-7:33 pm

1 stop21h 28m

$1,265

Quickest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 11/8

4:05 pm-6:25 am

1 stop22h 20m

Sydney Kingsford Smith

Wed 11/18

11:05 am-8:03 pm

2 stops24h 58m

$1,272

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sun 8/30

6:36 pm-11:10 am

2 stops27h 04m

Adelaide

Sun 9/6

8:00 pm-5:30 pm

2 stops35h 00m

$1,494

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Fri 8/14

5:39 pm-1:05 pm

2 stops29h 26m

Canberra

Fri 8/21

6:10 am-4:20 pm

2 stops24h 10m

$1,645

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Wed 10/28

12:40 pm-11:40 am

3 stops32h 00m

Canberra

Sun 11/1

8:10 am-9:26 pm

2 stops28h 16m

$3,072

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 $1,093. 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 $1,205.

How far in advance should I book a flight from Philadelphia 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 $1,470 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 $1,016 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 42% 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 39m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 23h 39m

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 July 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 $843	Free Cancellation	Rating 7.4 10,008 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,062 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,066	Free Cancellation	Rating 7.1 11,358 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.1 11,825 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $1,244	Free Cancellation	Rating 8.0 248 reviews	Search Fiji Airways flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 654 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,447	Free Cancellation	Rating 7.3 3,745 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.