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

Qatar Airways, JetBlue, and American Airlines 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 46% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 10 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 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.

$645 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.

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

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

10:45 am - 10:56 pmBNE Brisbane-PHL Philadelphia

27h 11m2 stops Vancouver Intl Toronto Pearson Intl

$1,197Air Canada

Mon, Nov 2 - Mon, Nov 16

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

29h 05m1 stop Doha Hamad Intl

5:10 pm - 2:50 pmMEL Melbourne-PHL Philadelphia

37h 40m1 stop Doha Hamad Intl

$1,202Qatar Airways

Sun, Feb 21 - Fri, Mar 5

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

$1,207Qatar Airways

Mon, Mar 1 - Mon, Mar 15

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

$1,229Air Canada

Sat, Nov 7 - Sat, Nov 14

4:38 pm - 7:30 amPHL Philadelphia-BNE Brisbane

23h 52m1 stop San Francisco

11:20 am - 5:15 pmBNE Brisbane-PHL Philadelphia

20h 55m1 stop San Francisco

$1,257United Airlines

Wed, Nov 4 - Wed, Nov 11

9:45 am - 7:30 amPHL Philadelphia-BNE Brisbane

30h 45m2 stops Chicago O'Hare Intl San Francisco

11:20 am - 5:15 pmBNE Brisbane-PHL Philadelphia

20h 55m1 stop San Francisco

$1,257United Airlines

Wed, Nov 4 - Wed, Nov 11

5:05 pm - 9:35 amPHL Philadelphia-SYD Sydney Kingsford Smith

48h 30m1 stop Toronto Pearson Intl

11:20 am - 2:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,266Air New Zealand

Sat, Feb 13 - Mon, Feb 22

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

32h 20m1 stop Toronto Pearson Intl

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

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

$1,268Air New Zealand

Wed, Mar 17 - Mon, Mar 29

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

22h 20m1 stop San Francisco

11:05 am - 8:14 pmSYD Sydney Kingsford Smith-PHL Philadelphia

25h 09m2 stops Brisbane Los Angeles

$1,278Qantas Airways

Sun, Nov 8 - Wed, Nov 18

3:55 pm - 10:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 25m2 stops Los Angeles Brisbane

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

23h 02m1 stop Dallas/Fort Worth

$1,307Qantas Airways

Tue, Nov 3 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 pm - 6:30 amPHL Philadelphia-SYD Sydney Kingsford Smith

43h 00m1 stop Doha Hamad Intl

3:50 pm - 2:30 pmSYD Sydney Kingsford Smith-PHL Philadelphia

37h 40m1 stop Doha Hamad Intl

$1,417Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

10:38 am - 11:45 amPHL Philadelphia-SYD Sydney Kingsford Smith

35h 07m2 stops Chicago O'Hare Intl Hong Kong Intl

10:10 am - 2:37 pmSYD Sydney Kingsford Smith-PHL Philadelphia

42h 27m2 stops Hong Kong Intl San Francisco

$1,784Multiple Airlines

Sun, Sep 27 - Sat, Oct 3

3:42 pm - 8:10 pmPHL Philadelphia-SYD Sydney Kingsford Smith

38h 28m2 stops Los Angeles Hong Kong Intl

10:20 pm - 10:52 pmSYD Sydney Kingsford Smith-PHL Philadelphia

39h 32m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,843Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

7:00 am - 7:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 20m2 stops Toronto Pearson Intl Vancouver Intl

10:20 am - 9:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,013Air Canada

Wed, Sep 30 - Wed, Oct 7

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

31h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

10:20 am - 9:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,015Air Canada

Sun, Sep 27 - Sun, Oct 4

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

31h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

10:20 am - 9:32 pmSYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,026Air Canada

Sun, Sep 27 - Sun, Oct 4

6:00 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

34h 55m1 stop San Francisco

7:05 pm - 10:31 pmSYD Sydney Kingsford Smith-PHL Philadelphia

42h 26m2 stops Auckland Intl Houston George Bush Intcntl

$2,041Air New Zealand

Sun, Sep 27 - Sun, Oct 4

9:27 am - 6:55 amPHL Philadelphia-SYD Sydney Kingsford Smith

31h 28m1 stop San Francisco

7:50 am - 7:49 amSYD Sydney Kingsford Smith-PHL Philadelphia

38h 59m2 stops Auckland Intl San Francisco

$2,045Air New Zealand

Wed, Sep 30 - Wed, Oct 7

5:30 pm - 11:55 amPHL Philadelphia-ADL Adelaide

28h 55m2 stops Los Angeles Sydney Kingsford Smith

5:10 pm - 6:44 pmADL Adelaide-PHL Philadelphia

40h 04m2 stops Sydney Kingsford Smith Los Angeles

$8,007Qantas Airways

Thu, Oct 1 - Sat, Oct 24

5:30 pm - 1:40 pmPHL Philadelphia-BNE Brisbane

30h 10m2 stops Los Angeles Sydney Kingsford Smith

6:00 am - 6:42 pmBNE Brisbane-PHL Philadelphia

26h 42m2 stops Sydney Kingsford Smith Los Angeles

$19,928Qantas Airways

Fri, Sep 25 - Wed, Sep 30

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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

Feb 13

PHL5:05 pmPhiladelphia

48h 30m

1 stop

SYD9:35 amSydney Kingsford Smith

Feb 22

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,266

Air New Zealand

Mar 17

PHL9:15 amPhiladelphia

32h 20m

1 stop

SYD8:35 amSydney Kingsford Smith

Mar 29

SYD10:20 amSydney Kingsford Smith

43h 21m

2 stops

PHL2:41 pmPhiladelphia

$1,268

Air New Zealand

Feb 2

PHL9:15 amPhiladelphia

32h 20m

1 stop

SYD9:35 amSydney Kingsford Smith

Feb 23

SYD11:20 amSydney Kingsford Smith

43h 24m

2 stops

PHL2:44 pmPhiladelphia

$1,273

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Nov 3

PHL3:55 pmPhiladelphia

26h 25m

2 stops

SYD10:20 amSydney Kingsford Smith

Nov 17

SYD2:05 pmSydney Kingsford Smith

23h 02m

1 stop

PHL9:07 pmPhiladelphia

$1,307

Qantas Airways

Nov 5

PHL5:30 pmPhiladelphia

22h 00m

1 stop

BNE6:30 amBrisbane

Nov 12

BNE1:10 pmBrisbane

22h 04m

1 stop

PHL8:14 pmPhiladelphia

$1,325

Qantas Airways

Nov 5

PHL4:46 pmPhiladelphia

30h 49m

2 stops

BNE2:35 pmBrisbane

Nov 12

BNE1:10 pmBrisbane

22h 04m

1 stop

PHL8:14 pmPhiladelphia

$1,348

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Mon 11/2

3:20 pm-8:45 am

2 stops26h 25m

Brisbane

Mon 11/16

10:45 am-10:56 pm

2 stops27h 11m

$1,197

PhiladelphiaMelbourne

PHL Philadelphia - MEL Melbourne

PHLMEL

Philadelphia

Sun 2/21

8:45 pm-5:50 pm

1 stop29h 05m

Melbourne

Fri 3/5

5:10 pm-2:50 pm

1 stop37h 40m

$1,202

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

$1,207

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Sat 11/7

3:20 pm-8:45 am

2 stops26h 25m

Brisbane

Sat 11/14

10:45 am-2:44 pm

2 stops42h 59m

$1,229

Quickest round-trip

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 11/4

4:38 pm-7:30 am

1 stop23h 52m

Brisbane

Wed 11/11

11:20 am-5:15 pm

1 stop20h 55m

$1,257

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 11/4

9:45 am-7:30 am

2 stops30h 45m

Brisbane

Wed 11/11

11:20 am-5:15 pm

1 stop20h 55m

$1,257

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 2/13

5:05 pm-9:35 am

1 stop48h 30m

Sydney Kingsford Smith

Mon 2/22

11:20 am-2:44 pm

2 stops43h 24m

$1,266

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 3/17

9:15 am-8:35 am

1 stop32h 20m

Sydney Kingsford Smith

Mon 3/29

10:20 am-2:41 pm

2 stops43h 21m

$1,268

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-8:14 pm

2 stops25h 09m

$1,278

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 11/3

3:55 pm-10:20 am

2 stops26h 25m

Sydney Kingsford Smith

Tue 11/17

2:05 pm-9:07 pm

1 stop23h 02m

$1,307

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 $1,243.

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 $1,148 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	$645
Fastest flight time	23h 20m
Direct flights	None

The best one-way flight to Australia from Philadelphia in the past 72 hours is $645. The best round-trip flight deal from Philadelphia to Australia found on momondo in the last 72 hours is $1,197.

The fastest flight from Philadelphia to Australia takes 23h 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 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
United Airlines	PriceFrom $843	Free Cancellation	Rating 7.4 10,240 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,103 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.0 12,088 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,181	Free Cancellation	Rating 7.1 11,684 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,352	Free Cancellation	Rating 8.0 669 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.