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

Qatar Airways, Qantas Airways, 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 48% 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.

$589 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.

3:57 pm - 9:00 amPHL Philadelphia-SYD Sydney Kingsford Smith

26h 03m1 stop Los Angeles

11:10 am - 5:49 pmSYD Sydney Kingsford Smith-PHL Philadelphia

22h 39m1 stop Los Angeles

$916Qantas Airways

Tue, Oct 27 - Tue, Nov 3

10:05 am - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

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

27h 36m2 stops Vancouver Intl Toronto Pearson Intl

$1,105Air Canada

Wed, Oct 21 - Wed, Oct 28

10:05 am - 8:20 amPHL Philadelphia-SYD Sydney Kingsford Smith

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

10:20 am - 2:44 pmSYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,108Air Canada

Wed, Oct 21 - Wed, Oct 28

1:20 pm - 7:45 amPHL Philadelphia-BNE Brisbane

28h 25m3 stops Chicago O'Hare Intl Denver Intl Vancouver Intl

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

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

$1,140Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

5:05 pm - 7:35 amPHL Philadelphia-AVV Melbourne Avalon

70h 30m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

6:00 am - 10:56 pmAVV Melbourne Avalon-PHL Philadelphia

32h 56m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,151Multiple Airlines

Tue, Nov 10 - Wed, Jan 20

6:13 pm - 7:30 amPHL Philadelphia-BNE Brisbane

22h 17m1 stop San Francisco

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

25h 00m1 stop San Francisco

$1,259United Airlines

Wed, Jan 27 - Wed, Feb 17

9:10 am - 6:30 amPHL Philadelphia-BNE Brisbane

31h 20m1 stop San Francisco

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

20h 55m1 stop San Francisco

$1,259United Airlines

Wed, Oct 28 - Wed, Nov 4

3:14 pm - 6:30 amPHL Philadelphia-BNE Brisbane

24h 16m1 stop Dallas/Fort Worth

1:10 pm - 7:54 pmBNE Brisbane-PHL Philadelphia

21h 44m1 stop Los Angeles

$1,299Qantas Airways

Tue, Feb 2 - Sat, Feb 13

7:00 am - 6:30 amPHL Philadelphia-BNE Brisbane

32h 30m1 stop Dallas/Fort Worth

1:10 pm - 8:29 pmBNE Brisbane-PHL Philadelphia

22h 19m2 stops Los Angeles Nashville Intl

$1,308American Airlines

Tue, Feb 2 - Sat, Feb 13

11:00 am - 5:50 amPHL Philadelphia-BNE Brisbane

28h 50m1 stop Los Angeles

1:10 pm - 10:55 pmBNE Brisbane-PHL Philadelphia

24h 45m2 stops Los Angeles Dallas/Fort Worth

$1,326American Airlines

Tue, Oct 27 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 pm - 11:55 pmPHL Philadelphia-MEL Melbourne

36h 25m2 stops Doha Hamad Intl Brisbane

11:00 pm - 2:30 pmMEL Melbourne-PHL Philadelphia

30h 30m1 stop Doha Hamad Intl

$1,397Qatar Airways

Sat, Sep 19 - Sat, Oct 10

9:30 pm - 11:55 pmPHL Philadelphia-MEL Melbourne

36h 25m2 stops Doha Hamad Intl Brisbane

11:00 pm - 2:30 pmMEL Melbourne-PHL Philadelphia

30h 30m1 stop Doha Hamad Intl

$1,440Multiple Airlines

Sat, Sep 19 - Sat, Oct 10

9:30 pm - 11:55 pmPHL Philadelphia-MEL Melbourne

36h 25m2 stops Doha Hamad Intl Brisbane

5:10 pm - 11:02 pmMEL Melbourne-PHL Philadelphia

44h 52m2 stops Doha Hamad Intl Boston Logan Intl

$1,534Qatar Airways

Sat, Sep 19 - Sat, Oct 10

9:30 pm - 10:05 pmPHL Philadelphia-MEL Melbourne

34h 35m1 stop Doha Hamad Intl

11:00 pm - 2:30 pmMEL Melbourne-PHL Philadelphia

30h 30m1 stop Doha Hamad Intl

$1,567Qatar Airways

Sat, Sep 19 - Sat, Oct 10

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

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

9:20 am - 3:41 pmSYD Sydney Kingsford Smith-PHL Philadelphia

44h 21m2 stops Vancouver Intl Toronto Pearson Intl

$1,955Air Canada

Mon, Sep 14 - Sun, Sep 27

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

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

9:20 am - 3:41 pmSYD Sydney Kingsford Smith-PHL Philadelphia

44h 21m2 stops Vancouver Intl Toronto Pearson Intl

$1,957Air Canada

Mon, Sep 14 - Sun, Sep 27

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

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

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

27h 26m2 stops Vancouver Intl Toronto Pearson Intl

$1,959Air Canada

Mon, Sep 14 - Sun, Sep 27

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

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

9:20 am - 3:41 pmSYD Sydney Kingsford Smith-PHL Philadelphia

44h 21m2 stops Vancouver Intl Toronto Pearson Intl

$1,961Air Canada

Mon, Sep 14 - Sun, Sep 27

5:45 pm - 2:10 pmPHL Philadelphia-AVV Melbourne Avalon

30h 25m2 stops Dallas/Fort Worth Sydney Kingsford Smith

4:40 pm - 6:00 amAVV Melbourne Avalon-PHL Philadelphia

27h 20m2 stops Sydney Kingsford Smith San Francisco

$22,830Qantas Airways

Fri, Sep 18 - Tue, Sep 29

5:30 pm - 7:05 amPHL Philadelphia-SYD Sydney Kingsford Smith

23h 35m1 stop Los Angeles

9:10 am - 6:20 pmSYD Sydney Kingsford Smith-PHL Philadelphia

23h 10m2 stops Los Angeles Chicago O'Hare Intl

$27,679American Airlines

Thu, Sep 17 - Thu, Oct 1

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Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

Oct 21

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 28

SYD10:20 amSydney Kingsford Smith

27h 36m

2 stops

PHL10:56 pmPhiladelphia

$1,105

Air Canada

Oct 21

PHL10:05 amPhiladelphia

31h 15m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 28

SYD10:20 amSydney Kingsford Smith

43h 24m

3 stops

PHL2:44 pmPhiladelphia

$1,108

Air Canada

Oct 21

PHL10:05 amPhiladelphia

31h 15m

3 stops

SYD8:20 amSydney Kingsford Smith

Oct 28

SYD10:20 amSydney Kingsford Smith

43h 24m

3 stops

PHL2:44 pmPhiladelphia

$1,116

Qatar Airways flights from Philadelphia to Australia

Our best Qatar Airways deals on Philadelphia to Australia flight tickets

Qatar Airways

Oct 26

PHL9:45 pmPhiladelphia

34h 35m

1 stop

MEL11:20 pmMelbourne

Jan 25

MEL5:10 pmMelbourne

37h 40m

1 stop

PHL2:50 pmPhiladelphia

$1,202

Qatar Airways

Oct 26

PHL9:45 pmPhiladelphia

34h 35m

1 stop

MEL11:20 pmMelbourne

Nov 2

MEL11:40 pmMelbourne

31h 10m

1 stop

PHL2:50 pmPhiladelphia

$1,208

Qatar Airways

Oct 27

PHL9:45 pmPhiladelphia

34h 35m

1 stop

MEL11:20 pmMelbourne

Jan 25

MEL11:40 pmMelbourne

31h 10m

1 stop

PHL2:50 pmPhiladelphia

$1,217

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 10/27

3:57 pm-9:00 am

1 stop26h 03m

Sydney Kingsford Smith

Tue 11/3

11:10 am-5:49 pm

1 stop22h 39m

$916

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/21

10:05 am-8:20 am

2 stops31h 15m

Sydney Kingsford Smith

Wed 10/28

10:20 am-10:56 pm

2 stops27h 36m

$1,105

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 10/21

10:05 am-8:20 am

2 stops31h 15m

Sydney Kingsford Smith

Wed 10/28

10:20 am-2:44 pm

3 stops43h 24m

$1,108

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 10/27

1:20 pm-7:45 am

3 stops28h 25m

Brisbane

Tue 11/3

10:45 am-2:44 pm

2 stops42h 59m

$1,140

PhiladelphiaMelbourne

PHL Philadelphia - AVV Melbourne Avalon

PHLAVV

Philadelphia

Tue 11/10

5:05 pm-7:35 am

3 stops70h 30m

Melbourne Avalon

Wed 1/20

6:00 am-10:56 pm

3 stops32h 56m

$1,151

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 1/27

6:13 pm-7:30 am

1 stop22h 17m

Brisbane

Wed 2/17

11:20 am-9:20 pm

1 stop25h 00m

$1,259

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Wed 10/28

9:10 am-6:30 am

1 stop31h 20m

Brisbane

Wed 11/4

11:20 am-5:15 pm

1 stop20h 55m

$1,259

Quickest round-trip

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 2/2

3:14 pm-6:30 am

1 stop24h 16m

Brisbane

Sat 2/13

1:10 pm-7:54 pm

1 stop21h 44m

$1,299

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 2/2

7:00 am-6:30 am

1 stop32h 30m

Brisbane

Sat 2/13

1:10 pm-8:29 pm

2 stops22h 19m

$1,308

PhiladelphiaBrisbane

PHL Philadelphia - BNE Brisbane

PHLBNE

Philadelphia

Tue 10/27

11:00 am-5:50 am

1 stop28h 50m

Brisbane

Tue 11/3

1:10 pm-10:55 pm

2 stops24h 45m

$1,326

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 $1,199.

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 $1,422 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	$589
Fastest flight time	22h 17m
Direct flights	None

The best one-way flight to Australia from Philadelphia in the past 72 hours is $589. The best round-trip flight deal from Philadelphia to Australia found on momondo in the last 72 hours is $916.

The fastest flight from Philadelphia to Australia takes 22h 17m

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 10,214 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,093 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 11,620 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $1,320	Free Cancellation	Rating 8.0 259 reviews	Search Fiji 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.