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

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

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.

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.

$540 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 - 7:48 pm

MEL

PHL

29h 03m2 stops

$932Qantas Airways

Fri, Feb 20 - Wed, Mar 4

2:16 pm - 5:00 am

PHL

BNE

23h 44m1 stop

6:30 pm - 7:48 pm

BNE

PHL

40h 18m2 stops

$955Qantas Airways

Wed, Feb 18 - Wed, Feb 25

6:12 am - 10:55 am

PHL

ADL

39h 13m2 stops

5:10 pm - 4:58 pm

ADL

PHL

37h 18m2 stops

$1,598Air New Zealand

Tue, Apr 7 - Sun, May 10

8:45 pm - 6:45 pm

PHL

PER

34h 00m1 stop

3:55 pm - 7:25 pm

PER

PHL

39h 30m2 stops

$1,639Qatar Airways

Thu, Mar 19 - Mon, Mar 23

6:21 pm - 12:05 pm

PHL

ADL

27h 14m2 stops

12:05 pm - 10:25 pm

ADL

PHL

23h 50m2 stops

$1,641Air New Zealand

Fri, Apr 3 - Mon, May 11

7:40 pm - 6:45 pm

PHL

PER

34h 05m1 stop

6:00 am - 9:00 am

PER

PHL

40h 00m2 stops

$1,664Qatar Airways

Mon, Feb 23 - Sat, Feb 28

6:20 pm - 2:20 pm

PHL

OOL

29h 00m2 stops

7:20 am - 11:30 pm

OOL

PHL

31h 10m3 stops

$2,899United Airlines

Sun, Feb 22 - Thu, Feb 26

8:35 am - 2:20 pm

PHL

OOL

38h 45m2 stops

7:20 am - 11:30 pm

OOL

PHL

31h 10m3 stops

$2,900United Airlines

Sun, Feb 22 - Thu, Feb 26

7:50 am - 1:20 pm

PHL

CBR

37h 30m3 stops

7:05 am - 10:46 pm

CBR

PHL

31h 41m3 stops

$3,742Air Canada

Mon, Feb 23 - Thu, Feb 26

7:50 am - 1:20 pm

PHL

CBR

37h 30m3 stops

7:05 am - 10:46 pm

CBR

PHL

31h 41m3 stops

$3,752Air Canada

Mon, Feb 23 - Thu, Feb 26

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

Jan 18

PHL6:00 amPhiladelphia

34h 30m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 2

SYD10:40 amSydney Kingsford Smith

22h 45m

2 stops

PHL5:25 pmPhiladelphia

$1,069

Find similar

Delta

Jan 17

PHL12:41 pmPhiladelphia

51h 49m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 2

SYD10:40 amSydney Kingsford Smith

29h 13m

2 stops

PHL11:53 pmPhiladelphia

$1,085

Find similar

Delta

Jan 18

PHL7:00 amPhiladelphia

33h 30m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 6

SYD10:40 amSydney Kingsford Smith

22h 45m

2 stops

PHL5:25 pmPhiladelphia

$1,144

Find similar

United Airlines flights from Philadelphia to Australia

Our best United Airlines deals on Philadelphia to Australia flight tickets

United Airlines

Jan 18

PHL12:40 pmPhiladelphia

28h 25m

2 stops

SYD9:05 amSydney Kingsford Smith

Jan 31

SYD12:10 pmSydney Kingsford Smith

25h 42m

1 stop

PHL9:52 pmPhiladelphia

$1,140

Find similar

United Airlines

Jan 17

PHL8:35 amPhiladelphia

32h 40m

1 stop

SYD9:15 amSydney Kingsford Smith

Jan 31

SYD2:00 pmSydney Kingsford Smith

23h 52m

1 stop

PHL9:52 pmPhiladelphia

$1,215

Find similar

United Airlines

Jan 22

PHL1:10 pmPhiladelphia

25h 50m

2 stops

SYD7:00 amSydney Kingsford Smith

Jan 30

SYD2:00 pmSydney Kingsford Smith

23h 36m

2 stops

PHL9:36 pmPhiladelphia

$1,219

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Fri 2/20

2:16 pm-9:30 am

1 stop27h 14m

Melbourne

Wed 3/4

6:45 am-7:48 pm

2 stops29h 03m

$932

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 2/18

2:16 pm-5:00 am

1 stop23h 44m

Brisbane

Wed 2/25

6:30 pm-7:48 pm

2 stops40h 18m

$955

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 4/7

6:12 am-10:55 am

2 stops39h 13m

Adelaide

Sun 5/10

5:10 pm-4:58 pm

2 stops37h 18m

$1,598

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Thu 3/19

8:45 pm-6:45 pm

1 stop34h 00m

Perth

Mon 3/23

3:55 pm-7:25 pm

2 stops39h 30m

$1,639

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Fri 4/3

6:21 pm-12:05 pm

2 stops27h 14m

Adelaide

Mon 5/11

12:05 pm-10:25 pm

2 stops23h 50m

$1,641

PhiladelphiaPerth

PHL - PER

PHLPER

Philadelphia

Mon 2/23

7:40 pm-6:45 pm

1 stop34h 05m

Perth

Sat 2/28

6:00 am-9:00 am

2 stops40h 00m

$1,664

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Sun 2/22

6:20 pm-2:20 pm

2 stops29h 00m

Coolangatta Gold Coast

Thu 2/26

7:20 am-11:30 pm

3 stops31h 10m

$2,899

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Sun 2/22

8:35 am-2:20 pm

2 stops38h 45m

Coolangatta Gold Coast

Thu 2/26

7:20 am-11:30 pm

3 stops31h 10m

$2,900

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Mon 2/23

7:50 am-1:20 pm

3 stops37h 30m

Canberra

Thu 2/26

7:05 am-10:46 pm

3 stops31h 41m

$3,742

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Mon 2/23

7:50 am-1:20 pm

3 stops37h 30m

Canberra

Thu 2/26

7:05 am-10:46 pm

3 stops31h 41m

$3,752

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 8,017 reviews	Search Delta flights
United Airlines	PriceFrom $859	Free Cancellation	Rating 7.4 9,138 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,589 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 7.5 963 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 564 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,700 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $1,350	Free Cancellation	Rating 7.2 11,082 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.