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 38% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 14 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?

American Airlines, Fiji Airways, and Qantas 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 January 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.

$517 Cheap Flights from Philadelphia to Australia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

2:30 pm - 3:35 pm

PHL

MEL

33h 05m

2 stops

12:00 pm - 7:48 pm

MEL

PHL

23h 48m

1 stop

$945Qantas Airways

Sun, Feb 8 - Fri, Feb 20

2:16 pm - 8:50 pm

PHL

SYD

38h 34m

2 stops

11:20 am - 7:42 pm

SYD

PHL

23h 22m

1 stop

$975Qantas Airways

Mon, Mar 2 - Mon, Mar 16

2:16 pm - 8:50 pm

PHL

SYD

38h 34m

2 stops

11:20 am - 7:42 pm

SYD

PHL

23h 22m

1 stop

$976Qantas Airways

Mon, Mar 2 - Mon, Mar 16

5:20 pm - 9:00 am

PHL

SYD

23h 40m

2 stops

11:20 am - 7:40 pm

SYD

PHL

24h 20m

2 stops

$1,054American Airlines

Mon, Feb 23 - Tue, Mar 3

3:55 pm - 9:00 am

PHL

SYD

25h 05m

2 stops

11:20 am - 7:40 pm

SYD

PHL

24h 20m

2 stops

$1,055American Airlines

Mon, Feb 23 - Tue, Mar 3

2:52 pm - 6:30 am

PHL

BNE

25h 38m

2 stops

10:30 am - 2:16 pm

BNE

PHL

41h 46m

2 stops

$1,247United Airlines

Tue, Mar 24 - Fri, Apr 10

10:05 am - 7:05 am

PHL

BNE

31h 00m

2 stops

8:45 pm - 9:48 am

BNE

PHL

51h 03m

3 stops

$1,261Air Canada

Wed, May 13 - Sun, May 24

5:05 pm - 6:45 pm

PHL

MEL

33h 40m

2 stops

7:00 am - 12:54 am

MEL

PHL

32h 54m

2 stops

$1,263Fiji Airways

Sat, Feb 14 - Thu, Mar 19

8:05 am - 10:55 am

PHL

ADL

35h 20m

2 stops

9:30 am - 2:19 pm

ADL

PHL

68h 19m

3 stops

$1,627United Airlines

Fri, Feb 6 - Tue, Feb 10

6:00 am - 11:35 am

PHL

CBR

39h 35m

3 stops

6:20 am - 9:33 pm

CBR

PHL

29h 13m

3 stops

$1,920Air Canada

Mon, Jun 1 - Fri, Jun 5

American Airlines flights from Philadelphia to Australia

Our best American Airlines deals on Philadelphia to Australia flight tickets

American Airlines

Feb 23

PHL5:20 pmPhiladelphia

23h 40m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

24h 20m

2 stops

PHL7:40 pmPhiladelphia

$1,054

American Airlines

Feb 23

PHL3:55 pmPhiladelphia

25h 05m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

24h 20m

2 stops

PHL7:40 pmPhiladelphia

$1,055

American Airlines

Feb 16

PHL3:55 pmPhiladelphia

25h 05m

2 stops

SYD9:00 amSydney Kingsford Smith

Feb 24

SYD2:05 pmSydney Kingsford Smith

26h 49m

1 stop

PHL12:54 amPhiladelphia

$1,163

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Feb 8

PHL5:39 pmPhiladelphia

29h 56m

2 stops

MEL3:35 pmMelbourne

Feb 21

MEL12:00 pmMelbourne

27h 50m

1 stop

PHL11:50 pmPhiladelphia

$945

Qantas Airways

Feb 21

PHL2:31 pmPhiladelphia

26h 59m

1 stop

MEL9:30 amMelbourne

Mar 4

MEL6:45 amMelbourne

29h 03m

2 stops

PHL7:48 pmPhiladelphia

$946

Qantas Airways

Feb 1

PHL5:39 pmPhiladelphia

32h 31m

2 stops

BNE5:10 pmBrisbane

Feb 15

BNE7:40 pmBrisbane

26h 15m

1 stop

PHL6:55 amPhiladelphia

$960

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sun 2/8

2:30 pm-3:35 pm

2 stops33h 05m

Melbourne

Fri 2/20

12:00 pm-7:48 pm

1 stop23h 48m

$945

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/2

2:16 pm-8:50 pm

2 stops38h 34m

Sydney Kingsford Smith

Mon 3/16

11:20 am-7:42 pm

1 stop23h 22m

$975

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/2

2:16 pm-8:50 pm

2 stops38h 34m

Sydney Kingsford Smith

Mon 3/16

11:20 am-7:42 pm

1 stop23h 22m

$976

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

5:20 pm-9:00 am

2 stops23h 40m

Sydney Kingsford Smith

Tue 3/3

11:20 am-7:40 pm

2 stops24h 20m

$1,054

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

3:55 pm-9:00 am

2 stops25h 05m

Sydney Kingsford Smith

Tue 3/3

11:20 am-7:40 pm

2 stops24h 20m

$1,055

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 3/24

2:52 pm-6:30 am

2 stops25h 38m

Brisbane

Fri 4/10

10:30 am-2:16 pm

2 stops41h 46m

$1,247

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 5/13

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Sun 5/24

8:45 pm-9:48 am

3 stops51h 03m

$1,261

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Sat 2/14

5:05 pm-6:45 pm

2 stops33h 40m

Melbourne

Thu 3/19

7:00 am-12:54 am

2 stops32h 54m

$1,263

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 2/6

8:05 am-10:55 am

2 stops35h 20m

Adelaide

Tue 2/10

9:30 am-2:19 pm

3 stops68h 19m

$1,627

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Mon 6/1

6:00 am-11:35 am

3 stops39h 35m

Canberra

Fri 6/5

6:20 am-9:33 pm

3 stops29h 13m

$1,920

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 $1,046. 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 $1,219.

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 $1,439 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 9% 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	21h 25m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 21h 25m

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 January 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 8,119 reviews	Search Delta flights
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,206 reviews	Search United Airlines flights
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 10,660 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $954	Free Cancellation	Rating 8.0 222 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $1,044	Free Cancellation	Rating 7.5 978 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 575 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,731 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $1,350	Free Cancellation	Rating 7.2 11,197 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.