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 12 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?

Qatar Airways, JetBlue, 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 October 2026, there are 5 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.

$735 Cheap Flights from Philadelphia to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

6:00 am - 7:50 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 50m2 stops Detroit Metropolitan Wayne County Los Angeles

9:15 am - 5:41 amSYD Sydney Kingsford Smith-PHL Philadelphia

34h 26m2 stops Los Angeles Salt Lake City

$1,083Delta

Wed, Mar 31 - Sun, Apr 18

10:21 am - 6:50 amPHL Philadelphia-SYD Sydney Kingsford Smith

30h 29m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:15 am - 12:51 amSYD Sydney Kingsford Smith-PHL Philadelphia

29h 36m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,083Delta

Sun, Apr 25 - Sun, May 30

3:20 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 am - 2:42 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,098Air Canada

Wed, Mar 10 - Wed, Mar 24

3:20 pm - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

50h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

10:20 am - 2:41 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 21m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,143Air Canada

Sat, Mar 20 - Sat, Mar 27

8:20 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

30h 35m1 stop Dallas/Fort Worth

11:20 am - 11:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m1 stop Los Angeles

$1,271American Airlines

Wed, Mar 10 - Wed, Mar 24

1:00 pm - 9:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 05m2 stops Chicago O'Hare Intl Los Angeles

9:15 am - 10:28 pmSYD Sydney Kingsford Smith-PHL Philadelphia

28h 13m1 stop Houston George Bush Intcntl

$1,275United Airlines

Wed, Mar 10 - Wed, Mar 24

9:15 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 20m1 stop Toronto Pearson Intl

10:20 am - 10:53 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 33m2 stops Vancouver Intl Toronto Pearson Intl

$1,289Air New Zealand

Tue, Mar 23 - Sat, Apr 3

9:00 am - 7:30 amPHL Philadelphia-BNE Brisbane

31h 30m1 stop San Francisco

11:20 am - 5:33 pmBNE Brisbane-PHL Philadelphia

21h 13m1 stop San Francisco

$1,297United Airlines

Wed, Dec 23 - Wed, Jan 13

6:51 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 09m1 stop Los Angeles

2:05 pm - 8:35 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 30m2 stops Dallas/Fort Worth Nashville Intl

$1,326American Airlines

Thu, Jan 21 - Wed, Jan 27

12:43 pm - 10:00 amPHL Philadelphia-BNE Brisbane

30h 17m2 stops Houston George Bush Intcntl Auckland Intl

6:10 pm - 10:34 pmBNE Brisbane-PHL Philadelphia

43h 24m2 stops Auckland Intl Houston George Bush Intcntl

$1,345Air New Zealand

Tue, Feb 2 - Sat, Feb 13

Cheap last minute flights

Enter your travel dates to find the best prices.

3:20 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 am - 2:39 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,301Air Canada

Thu, Nov 5 - Sun, Nov 15

3:20 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 am - 2:39 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 19m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,393Air Canada

Thu, Nov 5 - Sun, Nov 15

3:55 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 05m1 stop Los Angeles

11:10 am - 8:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 22m1 stop Los Angeles

$1,401Qantas Airways

Thu, Nov 5 - Sun, Nov 15

8:00 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 10:57 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 32m2 stops Auckland Intl Houston George Bush Intcntl

$1,442Air New Zealand

Thu, Nov 5 - Thu, Nov 12

12:40 pm - 12:50 pmPHL Philadelphia-SYD Sydney Kingsford Smith

32h 10m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 10:57 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 32m2 stops Auckland Intl Houston George Bush Intcntl

$1,442Air New Zealand

Mon, Nov 2 - Wed, Nov 4

12:40 pm - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

29h 55m2 stops Houston George Bush Intcntl Auckland Intl

2:05 pm - 9:52 amSYD Sydney Kingsford Smith-PHL Philadelphia

35h 47m3 stops Auckland Intl Los Angeles Chicago O'Hare Intl

$1,483Multiple Airlines

Mon, Nov 2 - Wed, Nov 4

1:47 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 13m1 stop Los Angeles

7:40 pm - 7:06 amSYD Sydney Kingsford Smith-PHL Philadelphia

27h 26m2 stops Melbourne Los Angeles

$1,512Qantas Airways

Thu, Nov 5 - Sun, Nov 15

6:00 am - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 25m2 stops Dallas/Fort Worth Los Angeles

2:00 pm - 11:06 amSYD Sydney Kingsford Smith-PHL Philadelphia

37h 06m3 stops Nadi Los Angeles Minneapolis St Paul

$1,632Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

6:21 pm - 9:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 59m1 stop San Francisco

11:50 am - 5:15 pmSYD Sydney Kingsford Smith-PHL Philadelphia

45h 25m1 stop San Francisco

$5,000United Airlines

Mon, Nov 2 - Wed, Nov 4

3:05 pm - 10:30 amPHL Philadelphia-MEL Melbourne

27h 25m2 stops Washington, D.C. Dulles Intl San Francisco

12:45 pm - 11:37 amMEL Melbourne-PHL Philadelphia

38h 52m2 stops San Francisco Houston George Bush Intcntl

$31,392United Airlines

Wed, Nov 4 - Mon, Nov 9

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

JetBlue flights from Philadelphia to Australia

Our best JetBlue deals on Philadelphia to Australia flight tickets

JetBlue

Nov 8

PHL8:45 pmPhiladelphia

29h 45m

1 stop

BNE5:30 pmBrisbane

Nov 12

BNE9:55 pmBrisbane

31h 55m

1 stop

PHL2:50 pmPhiladelphia

$1,606

JetBlue

Nov 5

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

Nov 12

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,777

JetBlue

Nov 5

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

Nov 15

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,778

Qatar Airways flights from Philadelphia to Australia

Our best Qatar Airways deals on Philadelphia to Australia flight tickets

Qatar Airways

Mar 8

PHL8:45 pmPhiladelphia

52h 25m

2 stops

PER2:10 pmPerth

Mar 15

PER10:45 pmPerth

29h 05m

1 stop

PHL3:50 pmPhiladelphia

$1,238

Qatar Airways

Mar 1

PHL8:45 pmPhiladelphia

29h 05m

1 stop

MEL5:50 pmMelbourne

Mar 15

MEL4:10 pmMelbourne

38h 40m

1 stop

PHL3:50 pmPhiladelphia

$1,245

Qatar Airways

Apr 28

PHL9:30 pmPhiladelphia

38h 20m

2 stops

PER11:50 pmPerth

May 12

PER10:45 pmPerth

28h 20m

1 stop

PHL3:05 pmPhiladelphia

$1,247

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/31

6:00 am-7:50 am

2 stops34h 50m

Sydney Kingsford Smith

Sun 4/18

9:15 am-5:41 am

2 stops34h 26m

$1,083

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 4/25

10:21 am-6:50 am

2 stops30h 29m

Sydney Kingsford Smith

Sun 5/30

9:15 am-12:51 am

2 stops29h 36m

$1,083

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/10

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 3/24

10:20 am-2:42 pm

2 stops43h 22m

$1,098

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 3/20

3:20 pm-8:35 am

3 stops50h 15m

Sydney Kingsford Smith

Sat 3/27

10:20 am-2:41 pm

2 stops43h 21m

$1,143

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/10

8:20 am-6:55 am

1 stop30h 35m

Sydney Kingsford Smith

Wed 3/24

11:20 am-11:56 pm

1 stop27h 36m

$1,271

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/10

1:00 pm-9:05 am

2 stops28h 05m

Sydney Kingsford Smith

Wed 3/24

9:15 am-10:28 pm

1 stop28h 13m

$1,275

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 3/23

9:15 am-8:35 am

1 stop32h 20m

Sydney Kingsford Smith

Sat 4/3

10:20 am-10:53 pm

2 stops27h 33m

$1,289

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 12/23

9:00 am-7:30 am

1 stop31h 30m

Brisbane

Wed 1/13

11:20 am-5:33 pm

1 stop21h 13m

$1,297

Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Thu 1/21

6:51 pm-9:00 am

1 stop22h 09m

Sydney Kingsford Smith

Wed 1/27

2:05 pm-8:35 pm

2 stops22h 30m

$1,326

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 2/2

12:43 pm-10:00 am

2 stops30h 17m

Brisbane

Sat 2/13

6:10 pm-10:34 pm

2 stops43h 24m

$1,345

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 $1,261. If you aren’t able to travel during the month of February, then book flights to Australia from Philadelphia during March instead. Flights to Australia in March, while not as cheap as those in February, still average around $1,339.

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 $1,438 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 $1,148 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 7% 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

Best Price Found	$735
Fastest flight time	23h 14m
Direct flights	None

The best one-way flight to Australia from Philadelphia in the past 72 hours is $735. The best round-trip flight deal from Philadelphia to Australia found on momondo in the last 72 hours is $1,083.

The fastest flight from Philadelphia to Australia takes 23h 14m

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 October 2026, there are 5 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 $843	Free Cancellation	Rating 7.3 10,454 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,121 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,181	Free Cancellation	Rating 7.1 11,832 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,198	Free Cancellation	Rating 7.0 12,208 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,352	Free Cancellation	Rating 8.0 679 reviews	Search Air New Zealand 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.