Cheap flights from Philadelphia to Australia from $482

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 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Qantas Airways Logo
2:30 pm - 5:00 amPHL-BNE
23h 30m1 stop
Qantas Airways Logo
6:30 pm - 7:54 pmBNE-PHL
40h 24m2 stops
$967Qantas Airways
Find Deal
Mon, Feb 9 - Sun, Feb 15
Qantas Airways Logo
2:30 pm - 9:00 amPHL-SYD
26h 30m1 stop
Qantas Airways Logo
7:15 pm - 4:36 pmSYD-PHL
37h 21m2 stops
$971Qantas Airways
Find Deal
Thu, Feb 5 - Mon, Feb 9
Qantas Airways Logo
2:14 pm - 10:05 amPHL-SYD
51h 51m2 stops
Qantas Airways Logo
5:45 pm - 11:41 pmSYD-PHL
21h 56m1 stop
$978Qantas Airways
Find Deal
Mon, Feb 16 - Tue, Feb 24
American Airlines Logo
4:04 pm - 9:00 amPHL-SYD
24h 56m2 stops
American Airlines Logo
11:20 am - 7:50 pmSYD-PHL
24h 30m2 stops
$1,048American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
United Airlines Logo
8:15 am - 9:15 amPHL-SYD
33h 00m1 stop
United Airlines Logo
2:00 pm - 9:52 pmSYD-PHL
23h 52m1 stop
$1,060United Airlines
Find Deal
Wed, Dec 31 - Sun, Jan 18
Air Canada Logo
3:30 pm - 8:45 amPHL-BNE
26h 15m2 stops
Air Canada Logo
10:45 am - 2:47 pmBNE-PHL
43h 02m2 stops
$1,121Air Canada
Find Deal
Mon, Feb 9 - Sun, Feb 15
Air Canada Logo
3:43 pm - 8:45 amPHL-BNE
26h 02m2 stops
Air Canada Logo
10:45 am - 2:47 pmBNE-PHL
43h 02m2 stops
$1,154Air Canada
Find Deal
Mon, Jan 19 - Mon, Feb 2
American Airlines Logo
5:39 pm - 1:00 pmPHL-ADL
27h 51m2 stops
American Airlines Logo
4:10 pm - 6:59 amADL-PHL
30h 19m2 stops
$1,686American Airlines
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Sat, Jan 10 - Sat, Jan 17
Air New Zealand Logo
12:40 pm - 1:05 pmPHL-CBR
32h 25m3 stops
Air New Zealand Logo
8:50 am - 10:59 pmCBR-PHL
30h 09m3 stops
$2,550Air New Zealand
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Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
8:35 am - 1:20 pmPHL-OOL
37h 45m2 stops
United Airlines Logo
7:20 am - 11:32 pmOOL-PHL
31h 12m3 stops
$2,894United Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 2

Qantas Airways flights from Philadelphia to Australia

Our best Qantas Airways deals on Philadelphia to Australia flight tickets
Qantas Airways
Feb 9
PHL2:30 pmPhiladelphia
23h 30m
1 stop
BNE5:00 amBrisbane
Feb 15
BNE6:30 pmBrisbane
40h 24m
2 stops
PHL7:54 pmPhiladelphia
Qantas Airways
Feb 5
PHL2:30 pmPhiladelphia
26h 30m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 9
SYD7:15 pmSydney Kingsford Smith
37h 21m
2 stops
PHL4:36 pmPhiladelphia
Qantas Airways
Feb 16
PHL2:14 pmPhiladelphia
51h 51m
2 stops
SYD10:05 amSydney Kingsford Smith
Feb 24
SYD5:45 pmSydney Kingsford Smith
21h 56m
1 stop
PHL11:41 pmPhiladelphia

Air New Zealand flights from Philadelphia to Australia

Our best Air New Zealand deals on Philadelphia to Australia flight tickets
Air New Zealand
Mar 18
PHL12:45 pmPhiladelphia
29h 00m
2 stops
SYD8:45 amSydney Kingsford Smith
Apr 2
SYD11:55 amSydney Kingsford Smith
26h 08m
2 stops
PHL11:03 pmPhiladelphia
Air New Zealand
Mar 2
PHL12:44 pmPhiladelphia
29h 46m
2 stops
SYD10:30 amSydney Kingsford Smith
Mar 27
SYD11:45 amSydney Kingsford Smith
34h 30m
2 stops
PHL7:15 amPhiladelphia
Air New Zealand
Mar 18
PHL12:45 pmPhiladelphia
29h 00m
2 stops
SYD8:45 amSydney Kingsford Smith
Apr 2
SYD11:55 amSydney Kingsford Smith
26h 08m
2 stops
PHL11:03 pmPhiladelphia

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Philadelphia to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 2/9

2:30 pm-5:00 am

1 stop23h 30m

Brisbane

Sun 2/15

6:30 pm-7:54 pm

2 stops40h 24m

$967

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 2/5

2:30 pm-9:00 am

1 stop26h 30m

Sydney Kingsford Smith

Mon 2/9

7:15 pm-4:36 pm

2 stops37h 21m

$971

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/16

2:14 pm-10:05 am

2 stops51h 51m

Sydney Kingsford Smith

Tue 2/24

5:45 pm-11:41 pm

1 stop21h 56m

$978

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 12/9

4:04 pm-9:00 am

2 stops24h 56m

Sydney Kingsford Smith

Tue 12/16

11:20 am-7:50 pm

2 stops24h 30m

$1,048

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 12/31

8:15 am-9:15 am

1 stop33h 00m

Sydney Kingsford Smith

Sun 1/18

2:00 pm-9:52 pm

1 stop23h 52m

$1,060

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 2/9

3:30 pm-8:45 am

2 stops26h 15m

Brisbane

Sun 2/15

10:45 am-2:47 pm

2 stops43h 02m

$1,121

PhiladelphiaBrisbane

PHL - BNE

PHLBNE

Philadelphia

Mon 1/19

3:43 pm-8:45 am

2 stops26h 02m

Brisbane

Mon 2/2

10:45 am-2:47 pm

2 stops43h 02m

$1,154

PhiladelphiaAdelaide

PHL - ADL

PHLADL

Philadelphia

Sat 1/10

5:39 pm-1:00 pm

2 stops27h 51m

Adelaide

Sat 1/17

4:10 pm-6:59 am

2 stops30h 19m

$1,686

PhiladelphiaCanberra

PHL - CBR

PHLCBR

Philadelphia

Thu 1/8

12:40 pm-1:05 pm

3 stops32h 25m

Canberra

Thu 1/15

8:50 am-10:59 pm

3 stops30h 09m

$2,550

PhiladelphiaCoolangatta

PHL - OOL

PHLOOL

Philadelphia

Thu 2/26

8:35 am-1:20 pm

2 stops37h 45m

Coolangatta Gold Coast

Mon 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
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See travel insights to Australia from

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?

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 55m

Direct flights

None
The fastest flight from Philadelphia to Australia takes 23h 55m
There are no direct flights from Philadelphia to Australia. There are no popular flight routes 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?

  • 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
DeltaPriceFrom $535Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $859Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights
Air CanadaPriceFrom $941Free CancellationRating
7.1
10,481 reviews
Search Air Canada flights
Fiji AirwaysPriceFrom $945Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $1,072Free CancellationRating
7.5
946 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,220Free CancellationRating
8.0
537 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,295Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $1,296Free CancellationRating
7.4
3,677 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

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1 adult
Fri 12/26
Fri 1/2

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