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Cheap flights from Pittsburgh to Australia from $888

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SYD
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pittsburgh to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Pittsburgh to Australia
Explore the most affordable flight options available from Pittsburgh to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2026.

Sat 8/817:51
PIT
-
MEL
1 stop22h 54m
American Airlines
Wed 19/813:35
MEL
-
PIT
1 stop23h 23m
American Airlines
Deal found 11/5$1,494
Mon 11/519:11
PIT
-
MEL
1 stop23h 04m
United Airlines
Wed 20/510:55
MEL
-
PIT
1 stop21h 14m
United Airlines
Deal found 11/5$1,510
Mon 11/518:00
PIT
-
MEL
1 stop23h 30m
United Airlines
Sat 23/510:55
MEL
-
PIT
2 stops27h 04m
United Airlines
Deal found 11/5$1,516
Fri 16/1007:20
PIT
-
MEL
2 stops34h 30m
Delta
Sun 25/1011:00
MEL
-
PIT
2 stops22h 54m
Delta
Deal found 12/5$1,527
Tue 4/806:50
PIT
-
MEL
1 stop35h 25m
United Airlines
Sat 15/810:55
MEL
-
PIT
2 stops23h 52m
United Airlines
Deal found 8/5$1,530
Fri 15/519:11
PIT
-
MEL
1 stop23h 04m
United Airlines
Sat 23/518:00
MEL
-
PIT
2 stops36h 51m
United Airlines
Deal found 11/5$1,539
Tue 4/817:55
PIT
-
AVV
2 stops30h 15m
Multiple Airlines
Sat 15/806:00
AVV
-
PIT
2 stops24h 09m
Multiple Airlines
Deal found 11/5$1,541
Sat 6/615:29
PIT
-
MEL
2 stops25h 16m
American Airlines
Sat 13/608:00
MEL
-
PIT
2 stops24h 41m
American Airlines
Deal found 9/5$1,543
Mon 11/514:08
PIT
-
SYD
2 stops26h 47m
United Airlines
Mon 25/509:30
SYD
-
PIT
2 stops23h 05m
United Airlines
Deal found 8/5$1,593
Mon 11/518:00
PIT
-
SYD
1 stop23h 00m
United Airlines
Sun 24/509:30
SYD
-
PIT
2 stops28h 29m
United Airlines
Deal found 10/5$1,596
Wed 5/817:23
PIT
-
SYD
1 stop23h 32m
Air New Zealand
Wed 26/809:30
SYD
-
PIT
1 stop21h 16m
Air New Zealand
Deal found 12/5$1,601
Wed 3/617:23
PIT
-
SYD
1 stop23h 32m
United Airlines
Sun 14/609:30
SYD
-
PIT
1 stop21h 21m
United Airlines
Deal found 8/5$1,603

Find flight deals from Pittsburgh to Australia

Keep the following information in mind while searching for Pittsburgh to Australia flight deals. Data was last updated 12 May 2026.

Round-trip from

$1,494

One-way from

$888

Popular in

April

Cheapest in

March

Average price

$1,959
American Airlines
  • American Airlines
  • 8/8-19/8
  • 2 total stops
  • 46h 17m total
  • Pittsburgh to Australia
Search Deals
14/9
  • 14/9
  • 1 total stop
  • 32h 06m total
  • Pittsburgh to Australia
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pittsburgh 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, Cheapflights users made 647,157 searches. Data last updated 12 May 2026.
Use the filters below to find and compare flights from Pittsburgh to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Wed 14/10

10:30-08:50

2 stops31h 20m

Melbourne

Fri 23/10

11:00-21:49

2 stops25h 49m

$1,527

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Thu 29/10

11:45-08:50

2 stops30h 05m

Melbourne

Sat 7/11

12:00-18:37

2 stops22h 37m

$1,527

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Fri 16/10

10:23-08:50

2 stops31h 27m

Melbourne

Sun 25/10

11:00-00:19

2 stops28h 19m

$1,527

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Fri 30/10

19:55-08:50

2 stops45h 55m

Melbourne

Sat 7/11

12:00-00:19

2 stops28h 19m

$1,527

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Tue 4/8

06:50-08:15

1 stop35h 25m

Melbourne

Sat 15/8

06:00-16:09

2 stops24h 09m

$1,553

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Wed 5/8

17:02-07:00

2 stops23h 58m

Sydney Kingsford Smith

Wed 26/8

10:20-20:47

2 stops24h 27m

$1,608

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Wed 3/6

14:13-06:55

2 stops26h 42m

Sydney Kingsford Smith

Sun 14/6

09:30-21:02

2 stops25h 32m

$1,610

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Thu 11/6

17:23-06:55

1 stop23h 32m

Sydney Kingsford Smith

Thu 18/6

09:30-21:02

2 stops25h 32m

$1,741

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Fri 16/10

17:48-09:15

1 stop24h 27m

Melbourne

Sun 25/10

12:00-18:11

1 stop21h 11m

$1,764

PittsburghMelbourne

PIT - MEL

PITMEL

Pittsburgh

Wed 14/10

17:48-09:15

1 stop24h 27m

Melbourne

Fri 23/10

10:30-16:44

1 stop21h 14m

$1,766

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Pittsburgh to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Pittsburgh with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Australia

What is the cheapest month to book a flight from Pittsburgh to Australia?

Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Australia (average of $358). Flying from Pittsburgh to Australia in April is currently the most expensive (average of $1,668). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Pittsburgh to Australia?

    For a flight from Pittsburgh to Australia, you will be flying from Pittsburgh. Pittsburgh (PIT) is just 21.7 km from the centre of the city.

  • How long is the flight from Pittsburgh to Australia?

    There are many flights that can get you from Pittsburgh to Australia in 23h 58m. Fly via Delta, United Airlines, or Qantas Airways to get the fastest option. Airlines will cover a distance of 15458 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Pittsburgh to Australia?

    While some choose either Pittsburgh - Sydney Kingsford Smith or Pittsburgh - Melbourne Avalon, Pittsburgh - Melbourne is the most popular route from Pittsburgh to Australia.

  • Can I find deals for flights from Pittsburgh to Australia that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Australia.

  • Can I find deals for business class flights from Pittsburgh to Australia?

    Yes. Cheapflights offers flight deals from Pittsburgh to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pittsburgh to Australia?

    Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Australia (average of $358). Flying from Pittsburgh to Australia in April is currently the most expensive (average of $1,668). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Pittsburgh to Australia?

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Why should you use Cheapflights to find cheap flight tickets from Pittsburgh to Australia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pittsburgh to Australia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Pittsburgh to Australia with no change fees?

Need flexible booking options for your flight to Australia from Pittsburgh? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Pittsburgh to Australia become cheaper?

Yes, Cheapflights offers price alerts on Pittsburgh to Australia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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