What airlines fly to Australia?

United Airlines, Qantas Airways and Air Canada are the top three most popular airlines that fly to Australia from Philadelphia according to our data. United Airlines is the first choice among our users, with 37% 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?

Qantas Airways, United Airlines, 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 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.

$554 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.

2:16 pm - 9:30 am

PHL

MEL

27h 14m1 stop

6:45 am - 11:50 pm

MEL

PHL

33h 05m2 stops

$932Qantas Airways

vie., feb. 20 - mié., mar. 4

2:31 pm - 9:30 am

PHL

MEL

26h 59m1 stop

6:45 am - 7:48 pm

MEL

PHL

29h 03m2 stops

$933Qantas Airways

sáb., feb. 21 - mié., mar. 4

6:13 pm - 6:55 am

PHL

SYD

22h 42m1 stop

9:30 am - 5:16 am

SYD

PHL

33h 46m2 stops

$1,001United Airlines

mié., jun. 3 - mié., jun. 10

6:20 pm - 9:25 am

PHL

MEL

47h 05m2 stops

12:10 pm - 10:57 pm

MEL

PHL

26h 47m2 stops

$1,279Air New Zealand

sáb., feb. 21 - mié., mar. 4

7:40 pm - 6:45 pm

PHL

PER

34h 05m1 stop

10:45 pm - 9:00 am

PER

PHL

47h 15m1 stop

$1,529Qatar Airways

lun., feb. 23 - sáb., feb. 28

7:40 pm - 6:45 pm

PHL

PER

34h 05m1 stop

3:55 pm - 9:56 pm

PER

PHL

43h 01m2 stops

$1,594Qatar Airways

vie., feb. 20 - vie., feb. 27

7:50 am - 1:55 pm

PHL

ADL

38h 35m3 stops

6:00 am - 10:46 pm

ADL

PHL

32h 16m3 stops

$1,692Air Canada

mar., ene. 27 - jue., feb. 19

6:20 pm - 8:25 pm

PHL

MCY

35h 05m3 stops

6:00 am - 9:33 pm

MCY

PHL

30h 33m3 stops

$2,728Air New Zealand

vie., feb. 20 - vie., feb. 27

6:20 pm - 1:40 pm

PHL

CBR

27h 20m2 stops

8:20 am - 9:33 pm

CBR

PHL

29h 13m2 stops

$2,791United Airlines

vie., feb. 20 - vie., feb. 27

7:50 am - 1:20 pm

PHL

CBR

37h 30m3 stops

7:55 am - 10:46 pm

CBR

PHL

30h 51m3 stops

$3,838Air Canada

lun., feb. 23 - jue., feb. 26

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

Jan 26

PHL12:29 pmPhiladelphia

28h 01m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 16

SYD2:15 pmSydney Kingsford Smith

25h 31m

2 stops

PHL11:46 pmPhiladelphia

$1,069

Delta

Jan 28

PHL6:55 amPhiladelphia

33h 35m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 10

SYD2:15 pmSydney Kingsford Smith

24h 35m

2 stops

PHL10:50 pmPhiladelphia

$1,070

Delta

Jan 24

PHL10:30 amPhiladelphia

28h 20m

2 stops

SYD6:50 amSydney Kingsford Smith

Feb 9

SYD2:15 pmSydney Kingsford Smith

24h 58m

2 stops

PHL11:13 pmPhiladelphia

$1,144

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Feb 20

PHL2:16 pmPhiladelphia

27h 14m

1 stop

MEL9:30 amMelbourne

Mar 4

MEL6:45 amMelbourne

33h 05m

2 stops

PHL11:50 pmPhiladelphia

$932

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

$933

Qantas Airways

Mar 7

PHL5:05 pmPhiladelphia

47h 25m

2 stops

BNE7:30 amBrisbane

Mar 14

BNE7:40 pmBrisbane

24h 11m

1 stop

PHL5:51 amPhiladelphia

$952

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

vie. 2/20

2:16 pm-9:30 am

1 stop27h 14m

Melbourne

mié. 3/4

6:45 am-11:50 pm

2 stops33h 05m

$932

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

sáb. 2/21

2:31 pm-9:30 am

1 stop26h 59m

Melbourne

mié. 3/4

6:45 am-7:48 pm

2 stops29h 03m

$933

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mié. 6/3

6:13 pm-6:55 am

1 stop22h 42m

Sydney Kingsford Smith

mié. 6/10

9:30 am-5:16 am

2 stops33h 46m

$1,001

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

sáb. 2/21

6:20 pm-9:25 am

2 stops47h 05m

Melbourne

mié. 3/4

12:10 pm-10:57 pm

2 stops26h 47m

$1,279

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

lun. 2/23

7:40 pm-6:45 pm

1 stop34h 05m

Perth

sáb. 2/28

10:45 pm-9:00 am

1 stop47h 15m

$1,529

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

vie. 2/20

7:40 pm-6:45 pm

1 stop34h 05m

Perth

vie. 2/27

3:55 pm-9:56 pm

2 stops43h 01m

$1,594

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

mar. 1/27

7:50 am-1:55 pm

3 stops38h 35m

Adelaide

jue. 2/19

6:00 am-10:46 pm

3 stops32h 16m

$1,692

PhiladelphiaMaroochydore

PHL - MCY

PHLMCY

Philadelphia

vie. 2/20

6:20 pm-8:25 pm

3 stops35h 05m

Maroochydore Sunshine Coast

vie. 2/27

6:00 am-9:33 pm

3 stops30h 33m

$2,728

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

vie. 2/20

6:20 pm-1:40 pm

2 stops27h 20m

Canberra

vie. 2/27

8:20 am-9:33 pm

2 stops29h 13m

$2,791

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

lun. 2/23

7:50 am-1:20 pm

3 stops37h 30m

Canberra

jue. 2/26

7:55 am-10:46 pm

3 stops30h 51m

$3,838

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 $1,127.

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 $1,424 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 4% 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 42m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 22h 42m

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 8,025 reviews	Search Delta flights
United Airlines	PriceFrom $859	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $945	Free Cancellation	Rating 8.0 216 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $1,044	Free Cancellation	Rating 7.5 967 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 565 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,701 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $1,350	Free Cancellation	Rating 7.2 11,095 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.