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

Delta, Qantas Airways, and Fiji 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 13 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 May 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.

$585 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.

6:25 am - 7:50 am

PHL

MEL

35h 25m

2 stops

10:00 am - 1:12 am

MEL

PHL

29h 12m

2 stops

$1,236Delta

Mo, Jul 27 - So, Aug 16

2:27 pm - 7:50 am

PHL

MEL

27h 23m

2 stops

10:00 am - 8:33 pm

MEL

PHL

24h 33m

2 stops

$1,246Delta

Mo, Aug 10 - So, Aug 30

3:29 pm - 5:00 am

PHL

BNE

23h 31m

1 stop

8:35 pm - 7:05 am

BNE

PHL

24h 30m

1 stop

$1,357Qantas Airways

Mi, Jun 10 - Mi, Jun 17

7:00 am - 5:00 am

PHL

BNE

32h 00m

1 stop

8:35 pm - 8:06 am

BNE

PHL

25h 31m

1 stop

$1,396American Airlines

Mo, Jun 8 - Mo, Jun 15

12:51 pm - 5:00 am

PHL

BNE

26h 09m

2 stops

8:35 pm - 5:34 am

BNE

PHL

22h 59m

2 stops

$1,400American Airlines

Mo, Jun 8 - Mo, Jun 15

4:22 pm - 9:20 am

PHL

BNE

26h 58m

2 stops

8:35 pm - 7:05 am

BNE

PHL

24h 30m

1 stop

$1,406Qantas Airways

Mi, Jun 10 - Mi, Jun 17

4:20 pm - 11:10 am

PHL

CNS

28h 50m

3 stops

7:15 pm - 10:44 pm

CNS

PHL

41h 29m

3 stops

$2,434Air Canada

Mo, Jun 15 - Mo, Jun 22

9:25 am - 12:25 pm

PHL

OOL

37h 00m

2 stops

7:05 am - 5:17 pm

OOL

PHL

24h 12m

2 stops

$2,447United Airlines

Mi, Jun 17 - Mi, Jun 24

7:00 am - 10:40 am

PHL

OOL

37h 40m

3 stops

6:00 am - 10:46 pm

OOL

PHL

30h 46m

3 stops

$2,755Air Canada

Do, Okt 15 - Mo, Okt 19

6:37 pm - 12:25 pm

PHL

OOL

27h 48m

2 stops

6:00 am - 5:30 pm

OOL

PHL

25h 30m

2 stops

$2,997United Airlines

Sa, Aug 29 - Mi, Sep 2

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

Jul 27

PHL6:25 amPhiladelphia

35h 25m

2 stops

MEL7:50 amMelbourne

Aug 16

MEL10:00 amMelbourne

29h 12m

2 stops

PHL1:12 amPhiladelphia

$1,236

Delta

Sep 14

PHL9:42 amPhiladelphia

31h 08m

2 stops

SYD6:50 amSydney Kingsford Smith

Sep 27

SYD9:15 amSydney Kingsford Smith

27h 45m

2 stops

PHL11:00 pmPhiladelphia

$1,246

Delta

Sep 14

PHL2:12 pmPhiladelphia

26h 38m

2 stops

SYD6:50 amSydney Kingsford Smith

Sep 27

SYD9:15 amSydney Kingsford Smith

29h 12m

2 stops

PHL12:27 amPhiladelphia

$1,247

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Jun 10

PHL3:29 pmPhiladelphia

23h 31m

1 stop

BNE5:00 amBrisbane

Jun 17

BNE8:35 pmBrisbane

24h 30m

1 stop

PHL7:05 amPhiladelphia

$1,357

Qantas Airways

Jun 10

PHL4:22 pmPhiladelphia

26h 58m

2 stops

BNE9:20 amBrisbane

Jun 17

BNE8:35 pmBrisbane

24h 30m

1 stop

PHL7:05 amPhiladelphia

$1,406

Qantas Airways

May 27

PHL5:40 pmPhiladelphia

23h 25m

1 stop

SYD7:05 amSydney Kingsford Smith

Jun 8

SYD9:10 amSydney Kingsford Smith

23h 25m

1 stop

PHL6:35 pmPhiladelphia

$1,413

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Mo 7/27

6:25 am-7:50 am

2 stops35h 25m

Melbourne

So 8/16

10:00 am-1:12 am

2 stops29h 12m

$1,236

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Mo 8/10

2:27 pm-7:50 am

2 stops27h 23m

Melbourne

So 8/30

10:00 am-8:33 pm

2 stops24h 33m

$1,246

Quickest round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mi 6/10

3:29 pm-5:00 am

1 stop23h 31m

Brisbane

Mi 6/17

8:35 pm-7:05 am

1 stop24h 30m

$1,357

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mo 6/8

7:00 am-5:00 am

1 stop32h 00m

Brisbane

Mo 6/15

8:35 pm-8:06 am

1 stop25h 31m

$1,396

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mo 6/8

12:51 pm-5:00 am

2 stops26h 09m

Brisbane

Mo 6/15

8:35 pm-5:34 am

2 stops22h 59m

$1,400

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mi 6/10

4:22 pm-9:20 am

2 stops26h 58m

Brisbane

Mi 6/17

8:35 pm-7:05 am

1 stop24h 30m

$1,406

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Mo 6/15

4:20 pm-11:10 am

3 stops28h 50m

Cairns

Mo 6/22

7:15 pm-10:44 pm

3 stops41h 29m

$2,434

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Mi 6/17

9:25 am-12:25 pm

2 stops37h 00m

Coolangatta Gold Coast

Mi 6/24

7:05 am-5:17 pm

2 stops24h 12m

$2,447

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Do 10/15

7:00 am-10:40 am

3 stops37h 40m

Coolangatta Gold Coast

Mo 10/19

6:00 am-10:46 pm

3 stops30h 46m

$2,755

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Sa 8/29

6:37 pm-12:25 pm

2 stops27h 48m

Coolangatta Gold Coast

Mi 9/2

6:00 am-5:30 pm

2 stops25h 30m

$2,997

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 August is, on average, the cheapest month to fly to Australia from Philadelphia, with most prices found around $250. If you aren’t able to travel during the month of August, then book flights to Australia from Philadelphia during November instead. Flights to Australia in November, while not as cheap as those in August, still average around $258.

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 $1,483 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 $1,136 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 24% 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 22m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 23h 22m

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 May 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 9,683 reviews	Search United Airlines flights
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 10,999 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,033 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $954	Free Cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $1,198	Free Cancellation	Rating 7.1 11,672 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 640 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,447	Free Cancellation	Rating 7.4 3,727 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.