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

Qantas Airways, Cathay Pacific, and JetBlue 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 11 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 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.

$652 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.

8:45 pm - 7:20 pmPHL Philadelphia-SYD Sydney Kingsford Smith

30h 35m1 stop Doha Hamad Intl

3:50 pm - 2:50 pmSYD Sydney Kingsford Smith-PHL Philadelphia

39h 00m1 stop Doha Hamad Intl

$1,234Qatar Airways

Wed, Feb 10 - Thu, Feb 25

8:45 pm - 5:50 pmPHL Philadelphia-MEL Melbourne

29h 05m1 stop Doha Hamad Intl

4:10 pm - 3:50 pmMEL Melbourne-PHL Philadelphia

38h 40m1 stop Doha Hamad Intl

$1,234Qatar Airways

Mon, Mar 1 - Mon, Mar 15

4:00 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 00m1 stop Los Angeles

11:10 am - 5:55 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 45m1 stop Los Angeles

$1,235Qantas Airways

Tue, Dec 1 - Tue, Dec 8

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

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

10:45 am - 2:44 pmBNE Brisbane-PHL Philadelphia

42h 59m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,239Air Canada

Sun, Feb 7 - Tue, Feb 16

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

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

10:45 am - 2:44 pmBNE Brisbane-PHL Philadelphia

42h 59m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,239Air Canada

Sun, Feb 7 - Tue, Feb 16

3:14 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 41m1 stop Dallas/Fort Worth

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

25h 04m1 stop Los Angeles

$1,255Qantas Airways

Sun, Nov 8 - Wed, Nov 18

5:22 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 38m2 stops Phoenix Sky Harbor Intl Los Angeles

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

22h 30m2 stops Dallas/Fort Worth Norfolk

$1,274American Airlines

Sun, Nov 8 - Wed, Nov 18

10:50 am - 6:25 amPHL Philadelphia-SYD Sydney Kingsford Smith

27h 35m1 stop San Francisco

11:10 am - 6:24 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 14m2 stops Los Angeles Washington, D.C. Reagan-National

$1,274American Airlines

Sun, Nov 8 - Wed, Nov 18

6:14 pm - 7:30 amPHL Philadelphia-BNE Brisbane

22h 16m1 stop San Francisco

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

20h 38m1 stop San Francisco

$1,295United Airlines

Sun, Feb 7 - Tue, Feb 16

9:20 am - 7:30 amPHL Philadelphia-BNE Brisbane

31h 10m1 stop San Francisco

11:20 am - 5:21 pmBNE Brisbane-PHL Philadelphia

21h 01m1 stop San Francisco

$1,295United Airlines

Tue, Dec 1 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

1:24 pm - 7:05 amPHL Philadelphia-BNE Brisbane

27h 41m2 stops Chicago O'Hare Intl Vancouver Intl

9:45 am - 2:44 pmBNE Brisbane-PHL Philadelphia

42h 59m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,241Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

3:57 pm - 5:00 amPHL Philadelphia-BNE Brisbane

23h 03m1 stop Los Angeles

1:10 pm - 8:38 pmBNE Brisbane-PHL Philadelphia

21h 28m1 stop Los Angeles

$1,246Qantas Airways

Tue, Oct 20 - Tue, Oct 27

1:55 pm - 5:00 amPHL Philadelphia-BNE Brisbane

25h 05m2 stops Charlotte Douglas Los Angeles

1:10 pm - 8:38 pmBNE Brisbane-PHL Philadelphia

21h 28m1 stop Los Angeles

$1,265American Airlines

Tue, Oct 20 - Tue, Oct 27

1:24 pm - 7:05 amPHL Philadelphia-BNE Brisbane

27h 41m2 stops Chicago O'Hare Intl Vancouver Intl

5:05 am - 4:21 pmBNE Brisbane-PHL Philadelphia

49h 16m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,269Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

9:10 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

32h 25m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 10:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m2 stops Vancouver Intl Toronto Pearson Intl

$1,289Air Canada

Sun, Oct 25 - Tue, Nov 3

6:15 am - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 20m3 stops Chicago O'Hare Intl Toronto Pearson Intl Vancouver Intl

11:20 am - 10:56 pmSYD Sydney Kingsford Smith-PHL Philadelphia

27h 36m2 stops Vancouver Intl Toronto Pearson Intl

$1,293Air Canada

Sun, Oct 25 - Tue, Nov 3

3:57 pm - 8:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 58m1 stop Los Angeles

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

25h 04m1 stop Los Angeles

$1,366Qantas Airways

Sat, Oct 24 - Sat, Nov 7

2:30 pm - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

25h 25m1 stop Dallas/Fort Worth

11:10 am - 6:13 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 03m2 stops Los Angeles Washington, D.C. Reagan-National

$1,374American Airlines

Sat, Oct 24 - Sat, Nov 7

3:25 pm - 8:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

50h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 am - 4:21 pmSYD Sydney Kingsford Smith-PHL Philadelphia

45h 01m1 stop Toronto Pearson Intl

$1,436Air New Zealand

Fri, Oct 23 - Fri, Oct 30

6:00 am - 10:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

37h 35m2 stops San Francisco Auckland Intl

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

21h 25m1 stop San Francisco

$1,661Air New Zealand

Sun, Oct 25 - Tue, Nov 3

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Qatar Airways flights from Philadelphia to Australia

Our best Qatar Airways deals on Philadelphia to Australia flight tickets

Qatar Airways

Feb 10

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

Feb 25

SYD3:50 pmSydney Kingsford Smith

39h 00m

1 stop

PHL2:50 pmPhiladelphia

$1,234

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

$1,235

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

$1,236

JetBlue flights from Philadelphia to Australia

Our best JetBlue deals on Philadelphia to Australia flight tickets

JetBlue

Nov 2

PHL8:45 pmPhiladelphia

29h 05m

1 stop

MEL5:50 pmMelbourne

Nov 11

MEL11:40 pmMelbourne

31h 10m

1 stop

PHL2:50 pmPhiladelphia

$1,325

JetBlue

Nov 8

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

Nov 18

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,327

JetBlue

Nov 8

PHL8:45 pmPhiladelphia

30h 35m

1 stop

SYD7:20 pmSydney Kingsford Smith

Nov 18

SYD10:10 pmSydney Kingsford Smith

32h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,332

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 2/10

8:45 pm-7:20 pm

1 stop30h 35m

Sydney Kingsford Smith

Thu 2/25

3:50 pm-2:50 pm

1 stop39h 00m

$1,234

PhiladelphiaMelbourne

PHL Philadelphia - MEL Melbourne

PHLMEL

Philadelphia

Mon 3/1

8:45 pm-5:50 pm

1 stop29h 05m

Melbourne

Mon 3/15

4:10 pm-3:50 pm

1 stop38h 40m

$1,234

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 12/1

4:00 pm-9:00 am

1 stop25h 00m

Sydney Kingsford Smith

Tue 12/8

11:10 am-5:55 pm

1 stop22h 45m

$1,235

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Sun 2/7

3:20 pm-8:45 am

2 stops26h 25m

Brisbane

Tue 2/16

10:45 am-2:44 pm

2 stops42h 59m

$1,239

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Sun 2/7

3:20 pm-8:45 am

2 stops26h 25m

Brisbane

Tue 2/16

10:45 am-2:44 pm

2 stops42h 59m

$1,239

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

3:14 pm-6:55 am

1 stop23h 41m

Sydney Kingsford Smith

Wed 11/18

11:10 am-8:14 pm

1 stop25h 04m

$1,255

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

5:22 pm-9:00 am

2 stops23h 38m

Sydney Kingsford Smith

Wed 11/18

2:05 pm-8:35 pm

2 stops22h 30m

$1,274

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

10:50 am-6:25 am

1 stop27h 35m

Sydney Kingsford Smith

Wed 11/18

11:10 am-6:24 pm

2 stops23h 14m

$1,274

Quickest round-trip

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Sun 2/7

6:14 pm-7:30 am

1 stop22h 16m

Brisbane

Tue 2/16

11:20 am-4:58 pm

1 stop20h 38m

$1,295

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 12/1

9:20 am-7:30 am

1 stop31h 10m

Brisbane

Tue 12/8

11:20 am-5:21 pm

1 stop21h 01m

$1,295

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 $1,141. 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 $1,199.

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 $1,428 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	$652
Fastest flight time	22h 13m
Direct flights	None

The best one-way flight to Australia from Philadelphia in the past 72 hours is $652. The best round-trip flight deal from Philadelphia to Australia found on momondo in the last 72 hours is $1,234.

The fastest flight from Philadelphia to Australia takes 22h 13m

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 10,389 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,112 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.0 12,172 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,181	Free Cancellation	Rating 7.1 11,782 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,352	Free Cancellation	Rating 8.0 675 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.