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$1,658+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SYD
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,346
(Delta)
Provider with most accurate pricing for Harrisburg-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Harrisburg-Sydney Kingsford Smith flights.
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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 November 17, 2025.

This United Airlines deal was found by Cheapflights users on 11/16. 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.
Wed 12/313:00 pmMDT - SYD
2 stops26h 15mUnited Airlines
Wed 1/711:20 amSYD - MDT
2 stops25h 45mUnited Airlines
Deal found 11/16$1,788
This American Airlines deal was found by Cheapflights users on 11/16. 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.
Sun 11/303:44 pmMDT - SYD
2 stops25h 16mAmerican Airlines
Wed 12/1711:20 amSYD - MDT
2 stops26h 23mAmerican Airlines
Deal found 11/16$1,849
This American Airlines deal was found by Cheapflights users on 11/16. 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 12/311:52 pmMDT - SYD
2 stops27h 08mAmerican Airlines
Wed 1/72:05 pmSYD - MDT
1 stop24h 47mAmerican Airlines
Deal found 11/16$3,025
This Ovago deal was found by Cheapflights users on 11/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:52 pmMDT - SYD
3 stops49h 03mBritish Airways
Wed 1/74:20 pmSYD - MDT
3 stops43h 54mBritish Airways
Deal found 11/16$4,294
This Priceline deal was found by Cheapflights users on 11/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:01 pmMDT - SYD
2 stops48h 14mMultiple Airlines
Wed 1/74:20 pmSYD - MDT
3 stops43h 54mMultiple Airlines
Deal found 11/16$7,086
This Priceline deal was found by Cheapflights users on 11/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:15 amMDT - SYD
2 stops36h 15mMultiple Airlines
Wed 12/174:20 pmSYD - MDT
3 stops42h 47mMultiple Airlines
Deal found 11/16$7,723
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Sun 11/3010:47 amMDT - SYD
2 stops30h 28mUnited Airlines
Wed 12/1711:50 amSYD - MDT
2 stops25h 07mUnited Airlines
Deal found 11/17$10,480
This Priceline deal was found by Cheapflights users on 11/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/302:55 pmMDT - SYD
3 stops48h 00mBritish Airways
Wed 12/174:20 pmSYD - MDT
3 stops42h 47mBritish Airways
Deal found 11/16$15,118

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 November 17, 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

Fri 5/1

6:10 am-6:35 am

2 stops34h 25m

Sydney Kingsford Smith

Tue 5/5

9:25 am-11:41 pm

2 stops28h 16m

$1,658

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 12/31

3:00 pm-9:15 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 1/7

11:20 am-9:05 pm

2 stops25h 45m

$1,788

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 12/31

1:52 pm-9:00 am

2 stops27h 08m

Sydney Kingsford Smith

Wed 1/7

2:05 pm-10:52 pm

1 stop24h 47m

$3,025

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sun 11/30

6:20 am-6:55 am

1 stop32h 35m

Sydney Kingsford Smith

Wed 12/17

2:05 pm-10:50 pm

1 stop24h 45m

$3,496

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Fri 5/1

7:26 pm-5:05 am

3 stops43h 39m

Sydney Kingsford Smith

Tue 5/5

2:40 pm-4:32 pm

3 stops39h 52m

$3,507

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 12/31

1:52 pm-6:55 am

3 stops49h 03m

Sydney Kingsford Smith

Wed 1/7

4:20 pm-8:14 pm

3 stops43h 54m

$4,294

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 12/31

2:01 pm-6:15 am

2 stops48h 14m

Sydney Kingsford Smith

Wed 1/7

4:20 pm-8:14 pm

3 stops43h 54m

$7,086

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sun 11/30

6:30 am-9:15 am

3 stops34h 45m

Sydney Kingsford Smith

Wed 12/17

12:10 pm-9:36 am

2 stops37h 26m

$10,480

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sun 11/30

2:55 pm-6:55 am

3 stops48h 00m

Sydney Kingsford Smith

Wed 12/17

4:20 pm-7:07 pm

3 stops42h 47m

$15,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Compare providers for flights from Harrisburg to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to Sydney in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harrisburg-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harrisburg-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harrisburg-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harrisburg-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, August is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $137). Flying from Harrisburg to Sydney in December is currently the most expensive (average of $1,430). 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.

  • How long is the flight from Harrisburg to Sydney?

    There are many flights that can get you from Harrisburg to Sydney in 26h 15m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 9784 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, August is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $137). Flying from Harrisburg to Sydney in December is currently the most expensive (average of $1,430). 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
Parramatta
Wollongong
Manly
Coogee

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