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 48% 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?

JetBlue, Qatar Airways, 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 September 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.

$666 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.

5:30 pm - 8:50 pmPHL Philadelphia-SYD Sydney Kingsford Smith

36h 20m2 stops Dallas/Fort Worth Auckland Intl

11:10 am - 8:14 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 04m1 stop Los Angeles Los Angeles

$1,088Qantas Airways

Wed, Oct 28 - Thu, Nov 12

3:20 pm - 8:45 amPHL Philadelphia-BNE Brisbane

26h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:45 am - 2:42 pmBNE Brisbane-PHL Philadelphia

42h 57m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,138Air Canada

Tue, Feb 16 - Tue, Mar 9

3:20 pm - 8:45 amPHL Philadelphia-BNE Brisbane

26h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:10 am - 10:55 pmBNE Brisbane-PHL Philadelphia

31h 45m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,163Multiple Airlines

Tue, Feb 16 - Tue, Mar 9

9:15 am - 1:30 pmPHL Philadelphia-BNE Brisbane

37h 15m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

10:45 am - 2:42 pmBNE Brisbane-PHL Philadelphia

42h 57m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,167Air Canada

Wed, Feb 17 - Tue, Mar 9

1:20 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

28h 15m3 stops Chicago O'Hare Intl Denver Intl Vancouver Intl

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

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

$1,178Multiple Airlines

Tue, Nov 17 - Tue, Mar 16

5:30 pm - 6:30 amPHL Philadelphia-BNE Brisbane

22h 00m1 stop Dallas/Fort Worth

9:40 am - 4:33 pmBNE Brisbane-PHL Philadelphia

21h 53m1 stop Dallas/Fort Worth

$1,257Qantas Airways

Wed, Dec 30 - Tue, Jan 12

10:10 am - 7:30 amPHL Philadelphia-BNE Brisbane

30h 20m2 stops Chicago O'Hare Intl San Francisco

11:20 am - 9:20 pmBNE Brisbane-PHL Philadelphia

25h 00m1 stop San Francisco

$1,258United Airlines

Wed, Feb 17 - Tue, Mar 9

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

31h 00m1 stop San Francisco

11:20 am - 4:58 pmBNE Brisbane-PHL Philadelphia

20h 38m1 stop San Francisco

$1,258United Airlines

Wed, Feb 17 - Tue, Mar 9

5:35 pm - 8:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 30m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

11:15 am - 6:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 29m1 stop Los Angeles Los Angeles

$1,448American Airlines

Mon, Oct 19 - Mon, Oct 26

3:42 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 23m1 stop Los Angeles Los Angeles

10:10 am - 6:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 34m1 stop Los Angeles Los Angeles

$1,450American Airlines

Mon, Sep 21 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

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

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

8:45 pm - 10:11 amBNE Brisbane-PHL Philadelphia

51h 26m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,204Air Canada

Tue, Sep 8 - Thu, Sep 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 - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,215Air Canada

Tue, Sep 8 - Wed, Sep 16

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

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

9:20 am - 2:47 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,223Air Canada

Tue, Sep 8 - Wed, Sep 16

9:30 pm - 3:00 pmPHL Philadelphia-ADL Adelaide

28h 00m1 stop Doha Hamad Intl

10:00 pm - 2:30 pmADL Adelaide-PHL Philadelphia

30h 00m1 stop Doha Hamad Intl

$1,399Qatar Airways

Thu, Sep 10 - Wed, Sep 16

9:30 pm - 3:00 pmPHL Philadelphia-ADL Adelaide

28h 00m1 stop Doha Hamad Intl

9:30 am - 2:30 pmADL Adelaide-PHL Philadelphia

42h 30m2 stops Sydney Kingsford Smith Doha Hamad Intl

$1,418Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

9:30 pm - 5:30 pmPHL Philadelphia-BNE Brisbane

30h 00m1 stop Doha Hamad Intl

10:10 pm - 2:30 pmBNE Brisbane-PHL Philadelphia

30h 20m1 stop Doha Hamad Intl

$1,423JetBlue

Tue, Sep 8 - Sat, Sep 12

3:05 pm - 10:30 amPHL Philadelphia-BNE Brisbane

29h 25m3 stops Washington, D.C. Dulles Intl San Francisco Sydney Kingsford Smith

6:05 am - 6:54 pmBNE Brisbane-PHL Philadelphia

26h 49m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Washington, D.C. Dulles Intl

$3,011United Airlines

Tue, Sep 8 - Sat, Sep 12

9:27 am - 10:50 amPHL Philadelphia-CBR Canberra

35h 23m2 stops San Francisco Sydney Kingsford Smith

8:10 am - 8:55 pmCBR Canberra-PHL Philadelphia

26h 45m2 stops Melbourne San Francisco

$3,182United Airlines

Thu, Sep 10 - Thu, Sep 17

9:27 am - 10:50 amPHL Philadelphia-CBR Canberra

35h 23m2 stops San Francisco Sydney Kingsford Smith

6:05 am - 12:23 pmCBR Canberra-PHL Philadelphia

44h 18m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Chicago O'Hare Intl

$3,217United Airlines

Thu, Sep 10 - Thu, Sep 17

1:10 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 55m1 stop Los Angeles Los Angeles

9:10 am - 6:46 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 36m2 stops Los Angeles Los Angeles Washington, D.C. Reagan-National

$26,433Qantas Airways

Fri, Sep 11 - Sat, Sep 26

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American Airlines flights from Philadelphia to Australia

Our best American Airlines deals on Philadelphia to Australia flight tickets

American Airlines

Sep 14

PHL5:45 pmPhiladelphia

23h 10m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 27

SYD9:10 amSydney Kingsford Smith

25h 29m

1 stop

PHL8:39 pmPhiladelphia

$1,489

American Airlines

Sep 24

PHL12:50 pmPhiladelphia

26h 10m

2 stops

BNE5:00 amBrisbane

Oct 3

BNE8:35 pmBrisbane

25h 32m

1 stop

PHL8:07 amPhiladelphia

$1,500

American Airlines

Oct 19

PHL3:57 pmPhiladelphia

32h 08m

2 stops

OOL2:05 pmCoolangatta Gold Coast

Oct 26

OOL6:00 amCoolangatta Gold Coast

28h 38m

2 stops

PHL8:38 pmPhiladelphia

$1,504

United Airlines flights from Philadelphia to Australia

Our best United Airlines deals on Philadelphia to Australia flight tickets

United Airlines

Feb 16

PHL9:30 amPhiladelphia

31h 00m

1 stop

BNE7:30 amBrisbane

Mar 9

BNE11:20 amBrisbane

20h 38m

1 stop

PHL4:58 pmPhiladelphia

$1,258

United Airlines

Dec 20

PHL6:51 pmPhiladelphia

45h 39m

2 stops

BNE7:30 amBrisbane

Dec 30

BNE11:20 amBrisbane

37h 36m

2 stops

PHL9:56 amPhiladelphia

$1,280

United Airlines

Dec 20

PHL7:37 pmPhiladelphia

44h 53m

2 stops

BNE7:30 amBrisbane

Dec 30

BNE11:20 amBrisbane

37h 36m

2 stops

PHL9:56 amPhiladelphia

$1,323

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/28

5:30 pm-8:50 pm

2 stops36h 20m

Sydney Kingsford Smith

Thu 11/12

11:10 am-8:14 pm

1 stop25h 04m

$1,088

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 2/16

3:20 pm-8:45 am

2 stops26h 25m

Brisbane

Tue 3/9

10:45 am-2:42 pm

2 stops42h 57m

$1,138

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 2/16

3:20 pm-8:45 am

2 stops26h 25m

Brisbane

Tue 3/9

6:10 am-10:55 pm

3 stops31h 45m

$1,163

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 2/17

9:15 am-1:30 pm

3 stops37h 15m

Brisbane

Tue 3/9

10:45 am-2:42 pm

2 stops42h 57m

$1,167

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 11/17

1:20 pm-9:35 am

3 stops28h 15m

Sydney Kingsford Smith

Tue 3/16

10:20 am-2:42 pm

2 stops43h 22m

$1,178

Quickest round-trip

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 12/30

5:30 pm-6:30 am

1 stop22h 00m

Brisbane

Tue 1/12

9:40 am-4:33 pm

1 stop21h 53m

$1,257

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 2/17

10:10 am-7:30 am

2 stops30h 20m

Brisbane

Tue 3/9

11:20 am-9:20 pm

1 stop25h 00m

$1,258

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 2/17

9:30 am-7:30 am

1 stop31h 00m

Brisbane

Tue 3/9

11:20 am-4:58 pm

1 stop20h 38m

$1,258

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 10/19

5:35 pm-8:05 am

2 stops23h 30m

Sydney Kingsford Smith

Mon 10/26

11:15 am-6:44 pm

1 stop22h 29m

$1,448

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 9/21

3:42 pm-7:05 am

1 stop25h 23m

Sydney Kingsford Smith

Tue 10/6

10:10 am-6:44 pm

1 stop23h 34m

$1,450

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 $1,130. 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 $1,210.

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 $1,421 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 $957 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

Best Price Found	$666
Fastest flight time	22h 00m
Direct flights	None

The best one-way flight to Australia from Philadelphia in the past 72 hours is $666. The best round-trip flight deal from Philadelphia to Australia found on momondo in the last 72 hours is $1,088.

The fastest flight from Philadelphia to Australia takes 22h 00m

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 September 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
Fiji Airways	PriceFrom $729	Free Cancellation	Rating 8.0 258 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $843	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,089 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.1 12,050 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,210	Free Cancellation	Rating 7.1 11,583 reviews	Search Air Canada 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.