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$1,365+ Cheap flights from Harrisburg (MDT) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SYD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Harrisburg to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$1,365
(American Airlines)
From Harrisburg to Sydney Kingsford Smith
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Find flight deals from Harrisburg to Sydney

Cheapest flights from Harrisburg to Sydney
Explore the most affordable flight options available from Harrisburg to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:01 pmMDT - SYD
2 stops28h 04mAmerican Airlines
Wed 9/179:10 amSYD - MDT
2 stops25h 02mAmerican Airlines
Deal found 8/13$1,365
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:30 pmMDT - SYD
2 stops28h 25mAmerican Airlines
Sun 9/79:10 amSYD - MDT
2 stops27h 01mAmerican Airlines
Deal found 8/14$1,366
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:10 amMDT - SYD
2 stops34h 20mDelta
Tue 12/210:40 amSYD - MDT
2 stops40h 56mDelta
Deal found 8/13$1,382
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:34 pmMDT - SYD
2 stops28h 21mAmerican Airlines
Sat 9/69:10 amSYD - MDT
2 stops25h 23mAmerican Airlines
Deal found 8/14$1,403
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:10 amMDT - SYD
2 stops34h 20mDelta
Thu 12/410:40 amSYD - MDT
2 stops40h 56mDelta
Deal found 8/13$1,419
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:20 amMDT - SYD
1 stop32h 35mAmerican Airlines
Wed 12/32:20 pmSYD - MDT
1 stop24h 04mAmerican Airlines
Deal found 8/13$1,437
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:35 pmMDT - SYD
2 stops26h 30mUnited Airlines
Wed 12/311:50 amSYD - MDT
2 stops22h 53mUnited Airlines
Deal found 8/13$1,455

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Sydney 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Harrisburg to Sydney that are best for you.

Fly from

Harrisburg

Fly to

Sydney

Route

Depart

Return

Price

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 9/10

1:01 pm-7:05 am

2 stops28h 04m

Sydney Kingsford Smith

Wed 9/17

9:10 am-8:12 pm

2 stops25h 02m

$1,365

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 11/19

12:54 pm-9:00 am

2 stops28h 06m

Sydney Kingsford Smith

Wed 12/3

11:15 am-10:24 pm

2 stops27h 09m

$1,365

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Mon 8/25

12:30 pm-6:55 am

2 stops28h 25m

Sydney Kingsford Smith

Sun 9/7

9:10 am-8:12 pm

2 stops25h 02m

$1,366

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Harrisburg to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Harrisburg with our price prediction graph.
Estimated round-trip 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 Harrisburg to Sydney

What is the cheapest month to book a flight from Harrisburg to Sydney?

Currently, February is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $1,031). Flying from Harrisburg to Sydney in December is currently the most expensive (average of $1,619). 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 Harrisburg to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Harrisburg to Sydney that include hotel bookings?

    Yes. In addition to deals on Harrisburg to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to Sydney?

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

  • Can I find deals for business class flights from Harrisburg to Sydney?

    Yes. Cheapflights offers flight deals from Harrisburg to Sydney 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 Harrisburg to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $1,031). Flying from Harrisburg to Sydney in December is currently the most expensive (average of $1,619). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

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