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

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

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.

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 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.

$627 Cheap Flights from Philadelphia to Australia in 2025/26

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Find the cheapest flights from Philadelphia to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

1:02 pm - 9:00 amPHL-SYD

28h 58m2 stops

2:05 pm - 1:19 amSYD-PHL

26h 14m2 stops

$1,148

Find Deal

Sun, Oct 26 - Sun, Nov 2

5:50 pm - 10:25 amPHL-BNE

26h 35m2 stops

11:40 am - 7:02 amBNE-PHL

33h 22m2 stops

$1,189

Find Deal

Sat, Oct 11 - Sat, Oct 18

10:27 am - 7:55 pmPHL-SYD

41h 28m2 stops

9:45 am - 9:40 pmSYD-PHL

27h 55m2 stops

$1,200

Find Deal

Wed, Nov 12 - Tue, Nov 18

10:27 am - 9:50 pmPHL-SYD

43h 23m2 stops

2:10 pm - 9:40 pmSYD-PHL

23h 30m2 stops

$1,252Fiji Airways

Find Deal

Tue, Nov 11 - Tue, Nov 18

3:55 pm - 9:00 amPHL-SYD

25h 05m1 stop

6:20 am - 7:04 pmSYD-PHL

28h 44m2 stops

$1,254Qantas Airways

Find Deal

Tue, Nov 11 - Tue, Nov 18

3:55 pm - 9:00 amPHL-SYD

25h 05m1 stop

5:50 pm - 5:17 pmSYD-PHL

39h 27m2 stops

$1,277Qantas Airways

Find Deal

Mon, Nov 10 - Mon, Nov 17

6:44 pm - 11:45 amPHL-SYD

27h 01m2 stops

2:15 pm - 10:59 pmSYD-PHL

23h 44m2 stops

$1,313Fiji Airways

Find Deal

Tue, Sep 30 - Tue, Oct 28

8:27 am - 9:30 amPHL-MEL

33h 03m2 stops

11:30 am - 11:30 pmMEL-PHL

28h 00m2 stops

$1,810United Airlines

Find Deal

Tue, Dec 23 - Tue, Jan 6

8:27 am - 9:30 amPHL-MEL

33h 03m2 stops

1:00 pm - 7:09 amMEL-PHL

34h 09m1 stop

$1,828United Airlines

Find Deal

Tue, Dec 23 - Wed, Dec 31

2:12 pm - 6:30 amPHL-BNE

25h 18m2 stops

9:40 am - 4:03 pmBNE-PHL

21h 23m1 stop

$2,104American Airlines

Find Deal

Mon, Dec 8 - Sun, Mar 8

Air New Zealand flights from Philadelphia to Australia

Our best Air New Zealand deals on Philadelphia to Australia flight tickets

Air New Zealand

Dec 3

PHL8:15 amPhiladelphia

34h 15m

2 stops

SYD10:30 amSydney Kingsford Smith

Jan 14

SYD1:55 pmSydney Kingsford Smith

23h 57m

2 stops

PHL9:52 pmPhiladelphia

$1,358

Find similar

Air New Zealand

Feb 20

PHL8:30 amPhiladelphia

32h 55m

2 stops

MEL9:25 amMelbourne

Mar 4

MEL12:10 pmMelbourne

25h 11m

2 stops

PHL9:21 pmPhiladelphia

$1,383

Find similar

Air New Zealand

Dec 3

PHL6:15 amPhiladelphia

41h 40m

2 stops

SYD3:55 pmSydney Kingsford Smith

Jan 14

SYD8:15 pmSydney Kingsford Smith

42h 44m

2 stops

PHL10:59 pmPhiladelphia

$1,409

Find similar

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

Qantas Airways

Nov 11

PHL3:55 pmPhiladelphia

25h 05m

1 stop

SYD9:00 amSydney Kingsford Smith

Nov 18

SYD6:20 amSydney Kingsford Smith

28h 44m

2 stops

PHL7:04 pmPhiladelphia

$1,254

Find similar

Qantas Airways

Nov 10

PHL3:55 pmPhiladelphia

25h 05m

1 stop

SYD9:00 amSydney Kingsford Smith

Nov 17

SYD5:50 pmSydney Kingsford Smith

39h 27m

2 stops

PHL5:17 pmPhiladelphia

$1,277

Find similar

Qantas Airways

Feb 20

PHL5:05 pmPhiladelphia

32h 10m

2 stops

MEL5:15 pmMelbourne

Mar 4

MEL4:05 pmMelbourne

22h 49m

1 stop

PHL10:54 pmPhiladelphia

$1,296

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 10/26

1:02 pm-9:00 am

2 stops28h 58m

Sydney Kingsford Smith

Sun 11/2

2:05 pm-1:19 am

2 stops26h 14m

$1,148

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Sat 10/11

5:50 pm-10:25 am

2 stops26h 35m

Brisbane

Sat 10/18

11:40 am-7:02 am

2 stops33h 22m

$1,189

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 11/12

10:27 am-7:55 pm

2 stops41h 28m

Sydney Kingsford Smith

Tue 11/18

9:45 am-9:40 pm

2 stops27h 55m

$1,200

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/11

10:27 am-9:50 pm

2 stops43h 23m

Sydney Kingsford Smith

Tue 11/18

2:10 pm-9:40 pm

2 stops23h 30m

$1,252

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/11

3:55 pm-9:00 am

1 stop25h 05m

Sydney Kingsford Smith

Tue 11/18

6:20 am-7:04 pm

2 stops28h 44m

$1,254

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 11/10

3:55 pm-9:00 am

1 stop25h 05m

Sydney Kingsford Smith

Mon 11/17

5:50 pm-5:17 pm

2 stops39h 27m

$1,277

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 9/30

6:44 pm-11:45 am

2 stops27h 01m

Sydney Kingsford Smith

Tue 10/28

2:15 pm-10:59 pm

2 stops23h 44m

$1,313

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 12/23

8:27 am-9:30 am

2 stops33h 03m

Melbourne

Tue 1/6

11:30 am-11:30 pm

2 stops28h 00m

$1,810

PhiladelphiaMelbourne

PHL - MEL

PHLMEL

Philadelphia

Tue 12/23

8:27 am-9:30 am

2 stops33h 03m

Melbourne

Wed 12/31

1:00 pm-7:09 am

1 stop34h 09m

$1,828

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 12/8

2:12 pm-6:30 am

2 stops25h 18m

Brisbane

Sun 3/8

9:40 am-4:03 pm

1 stop21h 23m

$2,104

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 September is, on average, the cheapest month to fly to Australia from Philadelphia, with most prices found around $1,074. If you aren’t able to travel during the month of September, then book flights to Australia from Philadelphia during February instead. Flights to Australia in February, while not as cheap as those in September, still average around $1,244.

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 $1,515 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 $1,054 on momondo.

Can stopping save me money on Philadelphia to Australia flights?

You could potentially save up to 24% 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

Direct flights	None

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 September 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 $717	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
United Airlines	PriceFrom $860	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Fiji Airways	PriceFrom $945	Free Cancellation	Rating 8.0 205 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $945	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,147	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,220	Free Cancellation	Rating 8.0 505 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,294	Free Cancellation	Rating 7.5 905 reviews	Search Qantas Airways flights
Qatar Airways	PriceFrom $1,296	Free Cancellation	Rating 7.4 3,624 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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Find better results for your trip to Australia

Popular cities in Australia

Flights to Sydneyfrom $471

Flights to Melbournefrom $533

Flights to Brisbanefrom $644

Flights to Perthfrom $888

Flights to Adelaidefrom $874

Flights to Cairnsfrom $933

Flights to Coolangattafrom $865

Flights to Hobartfrom $1,024

Flights to Canberrafrom $868

Flights to Darwinfrom $1,192

Flights to Maroochydorefrom $1,100

Flights to Launcestonfrom $1,145

Cheap flights from Philadelphia to Australia from $627

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 10/21. 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

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Australia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air New Zealand flights from Philadelphia to Australia

Our best Air New Zealand deals on Philadelphia to Australia flight tickets

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

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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 24% on your flight if you consider stops on a Philadelphia to Australia flight.

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

Fiji Airways, Qantas Airways, 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

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