What airlines fly to Australia?

United Airlines, Qantas Airways and Air Canada are the top three most popular airlines that fly to Australia from Philadelphia according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 13 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?

Qantas Airways, American Airlines, and Air Canada 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 November 2025, there are 8 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.

$583 Cheap Flights from Philadelphia to Australia in 2025/26

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Cheap round-trip flights

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6:35 pm - 5:10 pmPHL-BNE

32h 35m2 stops

8:35 pm - 7:10 amBNE-PHL

24h 35m1 stop

$967Qantas Airways

Find Deal

mar., mar. 24 - vie., abr. 10

2:14 pm - 10:05 amPHL-SYD

51h 51m2 stops

5:45 pm - 11:41 pmSYD-PHL

21h 56m1 stop

$978Qantas Airways

Find Deal

lun., feb. 16 - mar., feb. 24

4:04 pm - 9:00 amPHL-SYD

24h 56m2 stops

11:20 am - 7:50 pmSYD-PHL

24h 30m2 stops

$1,048American Airlines

Find Deal

mar., dic. 9 - mar., dic. 16

6:25 pm - 9:15 amPHL-SYD

22h 50m1 stop

2:00 pm - 9:52 pmSYD-PHL

23h 52m1 stop

$1,060United Airlines

Find Deal

mié., dic. 31 - mié., ene. 14

3:30 pm - 7:45 amPHL-BNE

26h 15m2 stops

10:00 am - 2:46 pmBNE-PHL

42h 46m2 stops

$1,158Air Canada

Find Deal

mar., mar. 24 - vie., abr. 10

4:35 pm - 8:45 amPHL-BNE

49h 10m2 stops

10:45 am - 10:46 pmBNE-PHL

27h 01m2 stops

$1,171Air Canada

Find Deal

vie., ene. 16 - mar., feb. 10

2:30 pm - 11:15 amPHL-CBR

28h 45m2 stops

6:05 am - 4:36 pmCBR-PHL

26h 31m2 stops

$1,512American Airlines

Find Deal

mié., ene. 7 - mié., ene. 14

6:10 am - 10:50 amPHL-MEL

38h 40m2 stops

8:35 am - 7:45 amMEL-PHL

37h 10m2 stops

$1,556Air New Zealand

Find Deal

mar., abr. 14 - mié., abr. 22

12:51 pm - 10:55 amPHL-ADL

32h 34m2 stops

2:25 pm - 7:45 amADL-PHL

54h 50m2 stops

$1,650Air New Zealand

Find Deal

vie., may. 1 - dom., may. 31

8:35 am - 1:20 pmPHL-OOL

37h 45m2 stops

7:20 am - 11:32 pmOOL-PHL

31h 12m3 stops

$2,894United Airlines

Find Deal

jue., feb. 26 - lun., mar. 2

American Airlines flights from Philadelphia to Australia

Our best American Airlines deals on Philadelphia to Australia flight tickets

American Airlines

Dec 9

PHL4:04 pmPhiladelphia

24h 56m

2 stops

SYD9:00 amSydney Kingsford Smith

Dec 16

SYD11:20 amSydney Kingsford Smith

24h 30m

2 stops

PHL7:50 pmPhiladelphia

$1,048

Find similar

American Airlines

Mar 25

PHL9:23 amPhiladelphia

29h 37m

1 stop

BNE5:00 amBrisbane

Apr 11

BNE8:35 pmBrisbane

26h 27m

1 stop

PHL9:02 amPhiladelphia

$1,409

Find similar

American Airlines

Jan 7

PHL2:30 pmPhiladelphia

28h 45m

2 stops

CBR11:15 amCanberra

Jan 14

CBR6:05 amCanberra

26h 31m

2 stops

PHL4:36 pmPhiladelphia

$1,512

Find similar

United Airlines flights from Philadelphia to Australia

Our best United Airlines deals on Philadelphia to Australia flight tickets

United Airlines

Dec 31

PHL8:15 amPhiladelphia

33h 00m

1 stop

SYD9:15 amSydney Kingsford Smith

Jan 18

SYD2:00 pmSydney Kingsford Smith

23h 52m

1 stop

PHL9:52 pmPhiladelphia

$1,060

Find similar

United Airlines

Dec 31

PHL6:17 amPhiladelphia

32h 03m

1 stop

SYD6:20 amSydney Kingsford Smith

Jan 19

SYD11:20 amSydney Kingsford Smith

26h 16m

2 stops

PHL9:36 pmPhiladelphia

$1,065

Find similar

United Airlines

Dec 31

PHL6:25 pmPhiladelphia

22h 50m

1 stop

SYD9:15 amSydney Kingsford Smith

Jan 15

SYD11:50 amSydney Kingsford Smith

20h 46m

1 stop

PHL4:36 pmPhiladelphia

$1,135

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mar. 3/24

6:35 pm-5:10 pm

2 stops32h 35m

Brisbane

vie. 4/10

8:35 pm-7:10 am

1 stop24h 35m

$967

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

lun. 2/16

2:14 pm-10:05 am

2 stops51h 51m

Sydney Kingsford Smith

mar. 2/24

5:45 pm-11:41 pm

1 stop21h 56m

$978

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mar. 12/9

4:04 pm-9:00 am

2 stops24h 56m

Sydney Kingsford Smith

mar. 12/16

11:20 am-7:50 pm

2 stops24h 30m

$1,048

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

mié. 12/31

6:25 pm-9:15 am

1 stop22h 50m

Sydney Kingsford Smith

mié. 1/14

2:00 pm-9:52 pm

1 stop23h 52m

$1,060

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

mar. 3/24

3:30 pm-7:45 am

2 stops26h 15m

Brisbane

vie. 4/10

10:00 am-2:46 pm

2 stops42h 46m

$1,158

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

vie. 1/16

4:35 pm-8:45 am

2 stops49h 10m

Brisbane

mar. 2/10

10:45 am-10:46 pm

2 stops27h 01m

$1,171

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

mié. 1/7

2:30 pm-11:15 am

2 stops28h 45m

Canberra

mié. 1/14

6:05 am-4:36 pm

2 stops26h 31m

$1,512

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

mar. 4/14

6:10 am-10:50 am

2 stops38h 40m

Melbourne

mié. 4/22

8:35 am-7:45 am

2 stops37h 10m

$1,556

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

vie. 5/1

12:51 pm-10:55 am

2 stops32h 34m

Adelaide

dom. 5/31

2:25 pm-7:45 am

2 stops54h 50m

$1,650

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

jue. 2/26

8:35 am-1:20 pm

2 stops37h 45m

Coolangatta Gold Coast

lun. 3/2

7:20 am-11:32 pm

3 stops31h 12m

$2,894

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 $1,071. If you aren’t able to travel during the month of February, then book flights to Australia from Philadelphia during September instead. Flights to Australia in September, while not as cheap as those in February, still average around $1,127.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Philadelphia to Australia is on a Sunday. Travelers who choose to depart for Australia on a Sunday will often find tickets for as low as $1,373. On the other hand, Thursday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,659.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,449 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,063 on average. Flights to Australia from Philadelphia in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $1,437 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 $1,198 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 31% 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 20m
Direct flights	None

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

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 November 2025, there are 8 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
Delta	PriceFrom $535	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $859	Free Cancellation	Rating 7.4 9,043 reviews	Search United Airlines flights
Air Canada	PriceFrom $941	Free Cancellation	Rating 7.1 10,473 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $945	Free Cancellation	Rating 8.1 209 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $1,072	Free Cancellation	Rating 7.5 944 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 536 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $1,295	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,674 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.

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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jue. 12/25

jue. 1/1

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Find better results for your trip to Australia

Popular cities in Australia

Flights to Sydneyfrom $637

Flights to Melbournefrom $671

Flights to Brisbanefrom $673

Flights to Perthfrom $800

Flights to Adelaidefrom $674

Flights to Cairnsfrom $1,074

Flights to Coolangattafrom $1,006

Flights to Hobartfrom $960

Flights to Canberrafrom $964

Flights to Darwinfrom $1,119

Flights to Maroochydorefrom $1,108

Flights to Launcestonfrom $1,561

Cheap flights from Philadelphia to Australia from $583

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Australia departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Philadelphia to Australia

Cheap round-trip flights

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American Airlines flights from Philadelphia to Australia

Our best American Airlines deals on Philadelphia to Australia flight tickets

United Airlines flights from Philadelphia to Australia

Our best United Airlines deals on Philadelphia to Australia flight tickets

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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

What is the cheapest month to fly to Australia?

What is the cheapest day to depart on your flight to Australia?

What is the cheapest time of day to depart on your flight to Australia?

How far in advance should I book a flight to Australia?

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 31% on your flight if you consider stops on a Philadelphia to Australia flight.

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

Qantas Airways, American Airlines, and Air Canada are the most popular carriers operating from Philadelphia to Australia

What airlines fly to Australia?

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

Direct flights

When did momondo last update prices for flights from Philadelphia Airport to Australia?

How many operators does momondo search for flights from Philadelphia Airport to Australia?

How old do you have to be to fly from Philadelphia Airport to Australia?

What documentation or ID do you need to fly to Australia?

Best airlines flying from Philadelphia to Australia

Compare and see reviews for airlines that fly from Philadelphia to Australia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Australia?

Can I find flights from Philadelphia to Australia with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Australia?

I’m not ready to book a flight from Philadelphia to Australia right now. Can momondo alert me if prices change?

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo