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 36% 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 and American Airlines 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.

$511 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 - 9:00 am

PHL

SYD

26h 44m

1 stop

5:45 pm - 11:50 pm

SYD

PHL

22h 05m

1 stop

$1,036Qantas Airways

Wed, Feb 18 - Sun, Mar 1

2:30 pm - 9:00 am

PHL

SYD

26h 30m

1 stop

11:20 am - 7:48 pm

SYD

PHL

24h 28m

1 stop

$1,045Qantas Airways

Tue, Feb 10 - Tue, Feb 17

5:20 pm - 9:00 am

PHL

SYD

23h 40m

2 stops

11:20 am - 7:48 pm

SYD

PHL

24h 28m

1 stop

$1,052American Airlines

Mon, Feb 23 - Tue, Mar 3

3:35 pm - 6:30 am

PHL

BNE

23h 55m

1 stop

7:40 pm - 6:55 am

BNE

PHL

26h 15m

1 stop

$1,345American Airlines

Sun, Feb 1 - Sun, Feb 15

8:35 am - 10:55 am

PHL

ADL

34h 50m

2 stops

7:00 pm - 7:15 am

ADL

PHL

50h 45m

3 stops

$1,812Air New Zealand

Tue, Mar 3 - Tue, Mar 10

12:44 pm - 6:00 pm

PHL

ADL

37h 46m

3 stops

6:35 am - 11:05 pm

ADL

PHL

31h 00m

3 stops

$1,878Air New Zealand

Wed, Mar 4 - Wed, Mar 11

3:30 pm - 12:40 pm

PHL

OOL

30h 10m

3 stops

6:00 am - 10:46 pm

OOL

PHL

30h 46m

3 stops

$2,172Air Canada

Wed, Mar 4 - Wed, Mar 11

6:20 pm - 1:20 pm

PHL

OOL

28h 00m

2 stops

9:20 am - 11:30 pm

OOL

PHL

52h 10m

3 stops

$2,670United Airlines

Fri, Mar 6 - Fri, Mar 13

8:35 am - 1:40 pm

PHL

CBR

37h 05m

2 stops

6:35 am - 9:31 pm

CBR

PHL

29h 56m

2 stops

$2,691United Airlines

Wed, Mar 4 - Wed, Mar 11

7:50 am - 1:20 pm

PHL

CBR

37h 30m

3 stops

7:55 am - 10:46 pm

CBR

PHL

30h 51m

3 stops

$3,892Air Canada

Mon, Feb 23 - Thu, Feb 26

American Airlines flights from Philadelphia to Australia

Our best American Airlines deals on Philadelphia to Australia flight tickets

American Airlines

Feb 23

PHL9:24 amPhiladelphia

31h 36m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

24h 20m

2 stops

PHL7:40 pmPhiladelphia

$1,052

American Airlines

Feb 2

PHL3:45 pmPhiladelphia

25h 15m

2 stops

SYD9:00 amSydney Kingsford Smith

Feb 14

SYD11:20 amSydney Kingsford Smith

24h 28m

1 stop

PHL7:48 pmPhiladelphia

$1,127

American Airlines

Feb 7

PHL6:35 pmPhiladelphia

22h 25m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 14

SYD11:20 amSydney Kingsford Smith

23h 49m

2 stops

PHL7:09 pmPhiladelphia

$1,202

Delta flights from Philadelphia to Australia

Our best Delta deals on Philadelphia to Australia flight tickets

Delta

Feb 16

PHL6:10 amPhiladelphia

34h 20m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 24

SYD2:15 pmSydney Kingsford Smith

26h 09m

2 stops

PHL12:24 amPhiladelphia

$1,069

Delta

Feb 16

PHL5:31 amPhiladelphia

34h 59m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 24

SYD10:40 amSydney Kingsford Smith

22h 58m

2 stops

PHL5:38 pmPhiladelphia

$1,070

Delta

Feb 19

PHL2:31 pmPhiladelphia

25h 59m

2 stops

SYD8:30 amSydney Kingsford Smith

Mar 1

SYD10:40 amSydney Kingsford Smith

22h 31m

2 stops

PHL5:11 pmPhiladelphia

$1,145

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 2/18

2:16 pm-9:00 am

1 stop26h 44m

Sydney Kingsford Smith

Sun 3/1

5:45 pm-11:50 pm

1 stop22h 05m

$1,036

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 2/10

2:30 pm-9:00 am

1 stop26h 30m

Sydney Kingsford Smith

Tue 2/17

11:20 am-7:48 pm

1 stop24h 28m

$1,045

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-7:48 pm

1 stop24h 28m

$1,052

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sun 2/1

3:35 pm-6:30 am

1 stop23h 55m

Brisbane

Sun 2/15

7:40 pm-6:55 am

1 stop26h 15m

$1,345

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 3/3

8:35 am-10:55 am

2 stops34h 50m

Adelaide

Tue 3/10

7:00 pm-7:15 am

3 stops50h 45m

$1,812

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Wed 3/4

12:44 pm-6:00 pm

3 stops37h 46m

Adelaide

Wed 3/11

6:35 am-11:05 pm

3 stops31h 00m

$1,878

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Wed 3/4

3:30 pm-12:40 pm

3 stops30h 10m

Coolangatta Gold Coast

Wed 3/11

6:00 am-10:46 pm

3 stops30h 46m

$2,172

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Fri 3/6

6:20 pm-1:20 pm

2 stops28h 00m

Coolangatta Gold Coast

Fri 3/13

9:20 am-11:30 pm

3 stops52h 10m

$2,670

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Wed 3/4

8:35 am-1:40 pm

2 stops37h 05m

Canberra

Wed 3/11

6:35 am-9:31 pm

2 stops29h 56m

$2,691

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Mon 2/23

7:50 am-1:20 pm

3 stops37h 30m

Canberra

Thu 2/26

7:55 am-10:46 pm

3 stops30h 51m

$3,892

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 $1,156.

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 $1,436 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	23h 00m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 23h 00m

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 8,080 reviews	Search Delta flights
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,186 reviews	Search United Airlines flights
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 10,641 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $945	Free Cancellation	Rating 8.0 217 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $1,044	Free Cancellation	Rating 7.5 973 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 572 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,721 reviews	Search Qatar Airways flights
American Airlines	PriceFrom $1,350	Free Cancellation	Rating 7.2 11,167 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.