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

American Airlines, Qantas Airways, and Qatar Airways 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 44% 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 July 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.

$586 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.

11:06 am - 10:40 am

PHL

BNE

33h 34m

3 stops

11:35 am - 12:26 pm

BNE

PHL

38h 51m

3 stops

$1,156Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

8:30 am - 10:40 am

PHL

BNE

36h 10m

3 stops

11:55 am - 12:26 pm

BNE

PHL

38h 31m

3 stops

$1,192Multiple Airlines

Tue, Aug 18 - Thu, Aug 27

9:30 pm - 4:00 pm

PHL

ADL

28h 00m

1 stop

10:00 pm - 2:40 pm

ADL

PHL

32h 10m

1 stop

$1,200Qatar Airways

Tue, Oct 20 - Tue, Nov 3

10:05 am - 7:05 am

PHL

BNE

31h 00m

2 stops

10:15 am - 9:34 pm

BNE

PHL

25h 19m

2 stops

$1,217Air Canada

Mon, Aug 10 - Tue, Aug 25

10:05 am - 7:05 am

PHL

BNE

31h 00m

2 stops

10:00 am - 9:34 pm

BNE

PHL

25h 34m

2 stops

$1,248Air Canada

Wed, Jul 29 - Wed, Aug 5

4:05 pm - 6:25 am

PHL

SYD

22h 20m

1 stop

10:20 am - 8:03 pm

SYD

PHL

25h 43m

2 stops

$1,274Qantas Airways

Sun, Nov 8 - Wed, Nov 18

9:25 am - 1:15 pm

PHL

CBR

37h 50m

2 stops

8:10 am - 1:23 am

CBR

PHL

31h 13m

2 stops

$1,563United Airlines

Mon, Jul 27 - Mon, Aug 3

9:27 am - 10:40 am

PHL

OOL

35h 13m

2 stops

7:05 am - 8:55 pm

OOL

PHL

27h 50m

2 stops

$1,599United Airlines

Sun, Aug 16 - Sun, Aug 23

5:30 pm - 12:55 pm

PHL

CNS

29h 25m

2 stops

3:45 pm - 7:05 am

CNS

PHL

29h 20m

2 stops

$1,603American Airlines

Thu, Sep 24 - Sun, Oct 11

6:01 pm - 12:55 pm

PHL

CNS

28h 54m

2 stops

3:45 pm - 7:00 am

CNS

PHL

29h 15m

2 stops

$3,053American Airlines

Sun, Jul 12 - Sat, Jul 18

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Air Canada flights from Philadelphia to Australia

Our best Air Canada deals on Philadelphia to Australia flight tickets

Air Canada

Aug 10

PHL10:05 amPhiladelphia

31h 00m

2 stops

BNE7:05 amBrisbane

Aug 25

BNE10:15 amBrisbane

25h 19m

2 stops

PHL9:34 pmPhiladelphia

$1,217

Air Canada

Jul 29

PHL10:05 amPhiladelphia

31h 00m

2 stops

BNE7:05 amBrisbane

Aug 5

BNE10:00 amBrisbane

25h 34m

2 stops

PHL9:34 pmPhiladelphia

$1,248

Air Canada

Aug 12

PHL10:05 amPhiladelphia

31h 00m

2 stops

BNE7:05 amBrisbane

Aug 26

BNE10:00 amBrisbane

42h 49m

2 stops

PHL2:49 pmPhiladelphia

$1,249

Qatar Airways flights from Philadelphia to Australia

Our best Qatar Airways deals on Philadelphia to Australia flight tickets

Qatar Airways

Oct 20

PHL9:30 pmPhiladelphia

28h 00m

1 stop

ADL4:00 pmAdelaide

Nov 3

ADL10:00 pmAdelaide

32h 10m

1 stop

PHL2:40 pmPhiladelphia

$1,200

Qatar Airways

Oct 20

PHL9:30 pmPhiladelphia

28h 00m

1 stop

ADL4:00 pmAdelaide

Nov 3

ADL10:40 amAdelaide

43h 30m

2 stops

PHL2:40 pmPhiladelphia

$1,201

Qatar Airways

Oct 18

PHL9:30 pmPhiladelphia

34h 35m

1 stop

MEL11:05 pmMelbourne

Nov 4

MEL11:40 pmMelbourne

31h 00m

1 stop

PHL2:40 pmPhiladelphia

$1,218

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 8/11

11:06 am-10:40 am

3 stops33h 34m

Brisbane

Tue 8/18

11:35 am-12:26 pm

3 stops38h 51m

$1,156

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Tue 8/18

8:30 am-10:40 am

3 stops36h 10m

Brisbane

Thu 8/27

11:55 am-12:26 pm

3 stops38h 31m

$1,192

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Tue 10/20

9:30 pm-4:00 pm

1 stop28h 00m

Adelaide

Tue 11/3

10:00 pm-2:40 pm

1 stop32h 10m

$1,200

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 8/10

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Tue 8/25

10:15 am-9:34 pm

2 stops25h 19m

$1,217

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Wed 7/29

10:05 am-7:05 am

2 stops31h 00m

Brisbane

Wed 8/5

10:00 am-9:34 pm

2 stops25h 34m

$1,248

Quickest round-trip

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 11/8

4:05 pm-6:25 am

1 stop22h 20m

Sydney Kingsford Smith

Wed 11/18

10:20 am-8:03 pm

2 stops25h 43m

$1,274

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Mon 7/27

9:25 am-1:15 pm

2 stops37h 50m

Canberra

Mon 8/3

8:10 am-1:23 am

2 stops31h 13m

$1,563

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Sun 8/16

9:27 am-10:40 am

2 stops35h 13m

Coolangatta Gold Coast

Sun 8/23

7:05 am-8:55 pm

2 stops27h 50m

$1,599

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Thu 9/24

5:30 pm-12:55 pm

2 stops29h 25m

Cairns

Sun 10/11

3:45 pm-7:05 am

2 stops29h 20m

$1,603

PhiladelphiaCairns

PHL - CNS

PHLCNS

Philadelphia

Sun 7/12

6:01 pm-12:55 pm

2 stops28h 54m

Cairns

Sat 7/18

3:45 pm-7:00 am

2 stops29h 15m

$3,053

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 August is, on average, the cheapest month to fly to Australia from Philadelphia, with most prices found around $250. If you aren’t able to travel during the month of August, then book flights to Australia from Philadelphia during November instead. Flights to Australia in November, while not as cheap as those in August, still average around $258.

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 $1,471 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 $1,016 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 45% 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	23h 17m
Direct flights	None

The fastest flight from Philadelphia to Australia takes 23h 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 July 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
Air Canada	PriceFrom $765	Free Cancellation	Rating 7.1 11,295 reviews	Search Air Canada flights
United Airlines	PriceFrom $843	Free Cancellation	Rating 7.4 9,931 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $945	Free Cancellation	Rating 7.5 1,056 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $954	Free Cancellation	Rating 8.1 246 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.1 11,766 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,418	Free Cancellation	Rating 8.0 649 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,447	Free Cancellation	Rating 7.3 3,742 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.