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

United Airlines, Qantas Airways, and Qatar Airways are the most popular carriers operating from Pennsylvania to Australia

How long is the flight from Pennsylvania to Australia?

The flight from Pennsylvania to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Pittsburgh (a popular airport in Pennsylvania) to Sydney (the most popular airport in Australia), then the flight time is 22h 31m on average. If you fly from Philadelphia (another popular airport in Pennsylvania) to Sydney, then the average flight time is 23h 20m.

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

Prices for flights from Pennsylvania to Australia refresh daily.

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

As of September 2026, there is 1 operator available to choose from for flights from Pennsylvania to Australia.

How old do you have to be to fly from Pennsylvania to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Australia.

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

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$944 Cheap Flights from Pennsylvania to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:45 - 17:50PHL Philadelphia-MEL Melbourne

29h 05m1 stop Doha Hamad Intl

16:10 - 15:50MEL Melbourne-PHL Philadelphia

38h 40m1 stop Doha Hamad Intl

$1,718Qatar Airways

Mon, 1 Mar - Mon, 15 Mar

20:45 - 17:50PHL Philadelphia-MEL Melbourne

29h 05m1 stop Doha Hamad Intl

16:10 - 15:50MEL Melbourne-PHL Philadelphia

38h 40m1 stop Doha Hamad Intl

$1,718Qatar Airways

Wed, 10 Mar - Thu, 25 Mar

09:15 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

32h 20m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,749Air Canada

Sun, 8 Nov - Sun, 15 Nov

15:20 - 08:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 - 14:41SYD Sydney Kingsford Smith-PHL Philadelphia

43h 21m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,752Air Canada

Wed, 17 Mar - Mon, 29 Mar

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,752Air Canada

Wed, 17 Feb - Wed, 24 Feb

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:42SYD Sydney Kingsford Smith-PHL Philadelphia

43h 22m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,752Air Canada

Wed, 24 Feb - Tue, 9 Mar

15:20 - 09:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:44SYD Sydney Kingsford Smith-PHL Philadelphia

43h 24m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,752Air Canada

Mon, 2 Nov - Tue, 10 Nov

15:20 - 08:35PHL Philadelphia-SYD Sydney Kingsford Smith

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 - 14:41SYD Sydney Kingsford Smith-PHL Philadelphia

43h 21m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,752Air Canada

Wed, 17 Mar - Sun, 28 Mar

16:05 - 06:25PHL Philadelphia-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

11:05 - 20:14SYD Sydney Kingsford Smith-PHL Philadelphia

25h 09m2 stops Brisbane Los Angeles

$1,819Qantas Airways

Sun, 8 Nov - Wed, 18 Nov

17:40 - 05:50PIT Pittsburgh-BNE Brisbane

22h 10m1 stop Los Angeles

08:30 - 22:38BNE Brisbane-PIT Pittsburgh

29h 08m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,839Qantas Airways

Tue, 27 Oct - Tue, 17 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

21:30 - 06:30PHL Philadelphia-SYD Sydney Kingsford Smith

43h 00m1 stop Doha Hamad Intl

15:50 - 14:30SYD Sydney Kingsford Smith-PHL Philadelphia

37h 40m1 stop Doha Hamad Intl

$2,017Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

06:14 - 22:05PIT Pittsburgh-MEL Melbourne

49h 51m2 stops New York John F Kennedy Intl Doha Hamad Intl

23:40 - 18:51MEL Melbourne-PIT Pittsburgh

34h 11m2 stops Doha Hamad Intl New York John F Kennedy Intl

$2,255Qatar Airways

Thu, 1 Oct - Tue, 27 Oct

10:38 - 11:45PHL Philadelphia-SYD Sydney Kingsford Smith

35h 07m2 stops Chicago O'Hare Intl Hong Kong Intl

10:10 - 14:37SYD Sydney Kingsford Smith-PHL Philadelphia

42h 27m2 stops Hong Kong Intl San Francisco

$2,539Multiple Airlines

Sun, 27 Sep - Sat, 3 Oct

10:38 - 11:45PHL Philadelphia-SYD Sydney Kingsford Smith

35h 07m2 stops Chicago O'Hare Intl Hong Kong Intl

22:20 - 22:52SYD Sydney Kingsford Smith-PHL Philadelphia

39h 32m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,626Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

10:50 - 09:05PHL Philadelphia-SYD Sydney Kingsford Smith

32h 15m2 stops Toronto Pearson Intl Incheon Intl

10:20 - 14:47SYD Sydney Kingsford Smith-PHL Philadelphia

43h 27m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,707Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

21:30 - 17:10PHL Philadelphia-SYD Sydney Kingsford Smith

29h 40m1 stop Doha Hamad Intl

17:00 - 14:30SYD Sydney Kingsford Smith-PHL Philadelphia

35h 30m2 stops Brisbane Doha Hamad Intl

$2,798Qatar Airways

Sun, 27 Sep - Sat, 3 Oct

07:00 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

34h 20m2 stops Toronto Pearson Intl Vancouver Intl

10:20 - 21:32SYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,865Air Canada

Wed, 30 Sep - Wed, 7 Oct

10:05 - 07:20PHL Philadelphia-SYD Sydney Kingsford Smith

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

10:20 - 21:32SYD Sydney Kingsford Smith-PHL Philadelphia

26h 12m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,868Air Canada

Sun, 27 Sep - Sun, 4 Oct

06:26 - 08:15PIT Pittsburgh-MEL Melbourne

35h 49m2 stops Washington, D.C. Dulles Intl San Francisco

08:30 - 23:59MEL Melbourne-PIT Pittsburgh

30h 29m3 stops Sydney Kingsford Smith San Francisco Houston George Bush Intcntl

$2,894United Airlines

Thu, 1 Oct - Tue, 27 Oct

20:47 - 05:45PIT Pittsburgh-MEL Melbourne

42h 58m2 stops Chicago O'Hare Intl Los Angeles

12:00 - 21:06MEL Melbourne-PIT Pittsburgh

24h 06m1 stop Dallas/Fort Worth

$3,949Qantas Airways

Thu, 1 Oct - Tue, 27 Oct

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Air New Zealand flights from Pennsylvania to Australia

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

Air New Zealand

13 Feb

PHL17:05Philadelphia

48h 30m

1 stop

SYD09:35Sydney Kingsford Smith

22 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,802

Air New Zealand

17 Mar

PHL09:15Philadelphia

32h 20m

1 stop

SYD08:35Sydney Kingsford Smith

29 Mar

SYD10:20Sydney Kingsford Smith

43h 21m

2 stops

PHL14:41Philadelphia

$1,805

Air New Zealand

2 Feb

PHL09:15Philadelphia

32h 20m

1 stop

SYD09:35Sydney Kingsford Smith

23 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,812

Air Canada flights from Pennsylvania to Australia

Our best Air Canada deals on Pennsylvania to Australia flight tickets

Air Canada

8 Nov

PHL09:15Philadelphia

32h 20m

2 stops

SYD09:35Sydney Kingsford Smith

15 Nov

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,749

Air Canada

17 Feb

PHL15:20Philadelphia

26h 15m

2 stops

SYD09:35Sydney Kingsford Smith

24 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,752

Air Canada

17 Feb

PHL15:20Philadelphia

26h 15m

2 stops

SYD09:35Sydney Kingsford Smith

24 Feb

SYD11:20Sydney Kingsford Smith

43h 24m

2 stops

PHL14:44Philadelphia

$1,754

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaMelbourne

PHL Philadelphia - MEL Melbourne

PHLMEL

Philadelphia

Mon 1/3

20:45-17:50

1 stop29h 05m

Melbourne

Mon 15/3

16:10-15:50

1 stop38h 40m

$1,718

PhiladelphiaMelbourne

PHL Philadelphia - MEL Melbourne

PHLMEL

Philadelphia

Wed 10/3

20:45-17:50

1 stop29h 05m

Melbourne

Thu 25/3

16:10-15:50

1 stop38h 40m

$1,718

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

09:15-09:35

2 stops32h 20m

Sydney Kingsford Smith

Sun 15/11

11:20-14:44

2 stops43h 24m

$1,749

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 17/3

15:20-08:35

2 stops26h 15m

Sydney Kingsford Smith

Mon 29/3

10:20-14:41

2 stops43h 21m

$1,752

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 17/2

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Wed 24/2

11:20-14:44

2 stops43h 24m

$1,752

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 24/2

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Tue 9/3

11:20-14:42

2 stops43h 22m

$1,752

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 2/11

15:20-09:35

2 stops26h 15m

Sydney Kingsford Smith

Tue 10/11

11:20-14:44

2 stops43h 24m

$1,752

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 17/3

15:20-08:35

2 stops26h 15m

Sydney Kingsford Smith

Sun 28/3

10:20-14:41

2 stops43h 21m

$1,752

Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 8/11

16:05-06:25

1 stop22h 20m

Sydney Kingsford Smith

Wed 18/11

11:05-20:14

2 stops25h 09m

$1,819

PittsburghBrisbane

PIT Pittsburgh - BNE Brisbane

PITBNE

Pittsburgh

Tue 27/10

17:40-05:50

1 stop22h 10m

Brisbane

Tue 17/11

08:30-22:38

2 stops29h 08m

$1,839

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pennsylvania 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

Other information

What is the cheapest month to fly to Australia?

In general, February is the cheapest month to fly from Pennsylvania to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,796. If you don’t want to visit Australia in February, then you should wait until March to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $1,843.

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

You are more likely to see cheaper flights to Australia from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,023 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Pennsylvania for as low as $1,634 on momondo.

Can stopping save me money on Pennsylvania to Australia flights?

You could potentially save up to 2% on your flight if you consider stops on a Pennsylvania to Australia flight.

Cheap Pennsylvania to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Australia

Best price found	$944
Fastest flight time	21h 55m
Direct flights	None

The best one-way flight to Australia from Pennsylvania in the past 72 hours is $944. The best return flight deal from Pennsylvania to Australia found on momondo in the last 72 hours is $1,718.

The fastest flight from Pennsylvania to Australia takes 21h 55m

There are no direct flights from Pennsylvania to Australia. There are no popular flight routes from Pennsylvania to Australia.

Search flight deals

Frequently asked questions about flying from Pennsylvania to Australia

When did momondo last update prices for flights from Pennsylvania to Australia?
Prices for flights from Pennsylvania to Australia refresh daily.
How many operators does momondo search for flights from Pennsylvania to Australia?
As of September 2026, there is 1 operator available to choose from for flights from Pennsylvania to Australia.
How old do you have to be to fly from Pennsylvania to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Pennsylvania to Australia

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

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,676	Free cancellation	Rating 7.5 1,103 reviews		Search Qantas Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Australia. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Australia from Pennsylvania with this policy.

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

momondo helps you find the best flight between Pennsylvania and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Pennsylvania 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.