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 11 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, Air New Zealand, 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 August 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.

$613 Cheap Flights from Philadelphia to Australia in 2026

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 - 11:50 amPHL Philadelphia-SYD Sydney Kingsford Smith

39h 50m3 stops Dallas/Fort Worth Los Angeles Nadi

1:15 pm - 9:30 amSYD Sydney Kingsford Smith-PHL Philadelphia

34h 15m3 stops Nadi Los Angeles Orlando

$1,125Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

10:05 am - 7:05 amPHL Philadelphia-BNE Brisbane

31h 00m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:00 am - 9:32 pmBNE Brisbane-PHL Philadelphia

25h 32m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,176Air Canada

Sun, Sep 27 - Sun, Oct 11

3:25 pm - 7:05 amPHL Philadelphia-BNE Brisbane

25h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:15 am - 2:47 pmBNE Brisbane-PHL Philadelphia

42h 32m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,176Air Canada

Tue, Sep 15 - Tue, Sep 22

8:30 pm - 4:30 pmPHL Philadelphia-ADL Adelaide

28h 30m1 stop Doha Hamad Intl

10:00 pm - 2:40 pmADL Adelaide-PHL Philadelphia

32h 10m1 stop Doha Hamad Intl

$1,196Multiple Airlines

Mon, Nov 2 - Fri, Nov 13

8:40 pm - 5:05 pmPHL Philadelphia-ADL Adelaide

28h 55m1 stop Doha Hamad Intl

6:20 pm - 3:05 pmADL Adelaide-PHL Philadelphia

34h 15m2 stops Perth Doha Hamad Intl

$1,197Qatar Airways

Thu, Jan 14 - Fri, Apr 30

8:40 pm - 5:05 pmPHL Philadelphia-ADL Adelaide

28h 55m1 stop Doha Hamad Intl

9:40 pm - 3:05 pmADL Adelaide-PHL Philadelphia

30h 55m1 stop Doha Hamad Intl

$1,198Qatar Airways

Thu, Jan 14 - Fri, Apr 30

4:05 pm - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:05 am - 8:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 27m2 stops Brisbane Los Angeles

$1,276Qantas Airways

Sun, Nov 8 - Wed, Nov 18

1:47 pm - 10:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 33m2 stops Los Angeles Brisbane

2:05 pm - 9:07 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 02m1 stop Dallas/Fort Worth

$1,279Qantas Airways

Sun, Nov 8 - 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 - 10:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m1 stop Toronto Pearson Intl

$1,279Air New Zealand

Sun, Nov 15 - Sun, Nov 22

10:05 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 10:46 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 26m1 stop Toronto Pearson Intl

$1,317Air New Zealand

Mon, Aug 17 - Fri, Sep 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 9:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

37h 25m2 stops Chicago O'Hare Intl Tokyo Haneda

11:45 am - 2:21 pmSYD Sydney Kingsford Smith-PHL Philadelphia

64h 36m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$1,355ANA

Mon, Aug 10 - Mon, Aug 17

9:30 pm - 10:20 pmPHL Philadelphia-SYD Sydney Kingsford Smith

34h 50m2 stops Doha Hamad Intl Brisbane

2:50 pm - 2:30 pmSYD Sydney Kingsford Smith-PHL Philadelphia

37h 40m1 stop Doha Hamad Intl

$1,552Qatar Airways

Mon, Aug 10 - Mon, Aug 17

10:05 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 10:09 amSYD Sydney Kingsford Smith-PHL Philadelphia

38h 49m2 stops Vancouver Intl Toronto Pearson Intl

$1,654Air Canada

Fri, Aug 7 - Sat, Aug 22

4:26 pm - 6:50 pmPHL Philadelphia-SYD Sydney Kingsford Smith

36h 24m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 4:43 pmSYD Sydney Kingsford Smith-PHL Philadelphia

33h 58m2 stops Honolulu Seattle/Tacoma Intl

$1,828Multiple Airlines

Thu, Aug 6 - Thu, Aug 13

1:04 pm - 8:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

29h 41m2 stops Houston George Bush Intcntl Auckland Intl

10:20 am - 8:55 pmSYD Sydney Kingsford Smith-PHL Philadelphia

24h 35m1 stop San Francisco

$2,026Air New Zealand

Thu, Aug 6 - Thu, Aug 13

6:15 am - 8:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

36h 30m2 stops Houston George Bush Intcntl Auckland Intl

9:30 am - 12:23 pmSYD Sydney Kingsford Smith-PHL Philadelphia

40h 53m1 stop Los Angeles

$2,062Air New Zealand

Fri, Aug 7 - Sat, Aug 22

3:25 pm - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 2:49 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 29m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,080Air Canada

Thu, Aug 6 - Thu, Aug 13

6:05 pm - 6:35 pmPHL Philadelphia-PER Perth

60h 30m2 stops Atlanta Hartsfield-Jackson Doha Hamad Intl

10:45 pm - 2:30 pmPER Perth-PHL Philadelphia

27h 45m1 stop Doha Hamad Intl

$2,202Qatar Airways

Thu, Aug 6 - Tue, Aug 18

2:08 pm - 5:00 amPHL Philadelphia-BNE Brisbane

24h 52m1 stop Los Angeles

2:25 pm - 6:44 amBNE Brisbane-PHL Philadelphia

30h 19m2 stops Sydney Kingsford Smith San Francisco

$3,056American Airlines

Fri, Aug 7 - Sun, Aug 9

2:08 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 57m1 stop Los Angeles

9:10 am - 4:20 pmSYD Sydney Kingsford Smith-PHL Philadelphia

21h 10m1 stop Los Angeles

$24,471American Airlines

Thu, Aug 6 - Wed, Aug 12

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Air New Zealand flights from Philadelphia to Australia

Our best Air New Zealand deals on Philadelphia to Australia flight tickets

Air New Zealand

Aug 17

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 11

SYD9:20 amSydney Kingsford Smith

27h 26m

1 stop

PHL10:46 pmPhiladelphia

$1,317

Air New Zealand

Sep 5

PHL4:20 pmPhiladelphia

49h 00m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 9

SYD9:20 amSydney Kingsford Smith

38h 51m

1 stop

PHL10:11 amPhiladelphia

$1,323

Air New Zealand

Aug 6

PHL1:04 pmPhiladelphia

29h 41m

2 stops

SYD8:45 amSydney Kingsford Smith

Aug 13

SYD10:20 amSydney Kingsford Smith

24h 35m

1 stop

PHL8:55 pmPhiladelphia

$2,026

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Nov 8

PHL4:05 pmPhiladelphia

22h 20m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 18

SYD11:05 amSydney Kingsford Smith

25h 27m

2 stops

PHL8:32 pmPhiladelphia

$1,276

Qantas Airways

Dec 15

PHL3:40 pmPhiladelphia

23h 15m

1 stop

SYD6:55 amSydney Kingsford Smith

Jan 5

SYD5:45 pmSydney Kingsford Smith

42h 31m

2 stops

PHL8:16 pmPhiladelphia

$1,282

Qantas Airways

Dec 13

PHL4:05 pmPhiladelphia

35h 15m

2 stops

BNE6:20 pmBrisbane

Jan 11

BNE12:25 pmBrisbane

45h 41m

2 stops

PHL7:06 pmPhiladelphia

$1,379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 9/14

6:00 am-11:50 am

3 stops39h 50m

Sydney Kingsford Smith

Mon 9/21

1:15 pm-9:30 am

3 stops34h 15m

$1,125

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Sun 9/27

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Sun 10/11

10:00 am-9:32 pm

2 stops25h 32m

$1,176

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 9/15

3:25 pm-7:05 am

2 stops25h 40m

Brisbane

Tue 9/22

10:15 am-2:47 pm

2 stops42h 32m

$1,176

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Mon 11/2

8:30 pm-4:30 pm

1 stop28h 30m

Adelaide

Fri 11/13

10:00 pm-2:40 pm

1 stop32h 10m

$1,196

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Thu 1/14

8:40 pm-5:05 pm

1 stop28h 55m

Adelaide

Fri 4/30

6:20 pm-3:05 pm

2 stops34h 15m

$1,197

PhiladelphiaAdelaide

PHL Philadelphia - ADL Adelaide

PHLADL

Philadelphia

Thu 1/14

8:40 pm-5:05 pm

1 stop28h 55m

Adelaide

Fri 4/30

9:40 pm-3:05 pm

1 stop30h 55m

$1,198

Quickest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

4:05 pm-6:25 am

1 stop22h 20m

Sydney Kingsford Smith

Wed 11/18

11:05 am-8:32 pm

2 stops25h 27m

$1,276

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

1:47 pm-10:20 am

2 stops28h 33m

Sydney Kingsford Smith

Sun 11/15

2:05 pm-9:07 pm

1 stop23h 02m

$1,279

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/15

3:20 pm-9:35 am

2 stops26h 15m

Sydney Kingsford Smith

Sun 11/22

11:20 am-10:56 pm

1 stop27h 36m

$1,279

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 8/17

10:05 am-7:20 am

2 stops31h 15m

Sydney Kingsford Smith

Fri 9/11

9:20 am-10:46 pm

1 stop27h 26m

$1,317

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 $1,093. 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 $1,190.

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 $1,444 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 $999 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 42% 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 20m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 22h 20m

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 August 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 $843	Free Cancellation	Rating 7.4 10,073 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,079 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,066	Free Cancellation	Rating 7.1 11,431 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.1 11,867 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $1,244	Free Cancellation	Rating 8.0 251 reviews	Search Fiji Airways flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 659 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,447	Free Cancellation	Rating 7.4 3,739 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.