Sydney

$1,551+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SYD
Nov 1 — Nov 81
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Find cheap flights from Harrisburg to Sydney with Cheapflights

1. Tell us where you want to go

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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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,550
(American Airlines)
Provider with most accurate pricing for Harrisburg-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Harrisburg-Sydney Kingsford Smith flights.
From Harrisburg to Sydney Kingsford Smith

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 October 2, 2025.

This United Airlines deal was found by Cheapflights users on 10/1. 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 11/1610:47 amMDT - SYD
2 stops30h 28mUnited Airlines
Sun 11/2311:50 amSYD - MDT
2 stops25h 14mUnited Airlines
Deal found 10/1$1,717
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 11/142:35 pmMDT - SYD
2 stops26h 40mUnited Airlines
Fri 11/2111:20 amSYD - MDT
2 stops23h 55mUnited Airlines
Deal found 9/30$1,816
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 11/1510:47 amMDT - SYD
2 stops28h 13mUnited Airlines
Sat 11/2211:50 amSYD - MDT
2 stops23h 05mUnited Airlines
Deal found 10/1$1,817
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:40 pmMDT - SYD
2 stops33h 10mQatar Airways
Fri 10/313:50 pmSYD - MDT
2 stops41h 55mQatar Airways
Deal found 9/30$2,152
This Qatar Airways deal was found by Cheapflights users on 10/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:55 pmMDT - SYD
2 stops35h 55mQatar Airways
Mon 11/179:40 pmSYD - MDT
2 stops56h 49mQatar Airways
Deal found 10/1$2,238
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 11/136:00 amMDT - SYD
2 stops34h 30mDelta
Mon 11/1710:40 amSYD - MDT
2 stops23h 36mDelta
Deal found 9/29$2,267
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/245:01 pmMDT - SYD
2 stops24h 04mAmerican Airlines
Fri 10/311:05 pmSYD - MDT
1 stop25h 06mAmerican Airlines
Deal found 9/30$2,301
This British Airways deal was found by Cheapflights users on 9/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:55 pmMDT - SYD
3 stops48h 00mBritish Airways
Mon 11/174:20 pmSYD - MDT
3 stops42h 39mBritish Airways
Deal found 9/30$3,351
This Ovago deal was found by Cheapflights users on 9/30. 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.
Fri 10/246:40 pmMDT - SYD
3 stops45h 15mBritish Airways
Fri 10/314:20 pmSYD - MDT
3 stops39h 38mBritish Airways
Deal found 9/30$3,723
This AranGrant deal was found by Cheapflights users on 10/1. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:07 amMDT - SYD
2 stops56h 43mJapan Airlines
Wed 12/39:15 amSYD - MDT
2 stops50h 19mJapan Airlines
Deal found 10/1$7,728

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 October 2, 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 1/14

12:39 pm-9:00 am

2 stops28h 21m

Sydney Kingsford Smith

Tue 1/27

2:05 pm-10:52 pm

1 stop24h 47m

$1,551

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 3/11

5:31 pm-9:05 am

2 stops24h 34m

Sydney Kingsford Smith

Wed 4/1

11:20 am-9:24 am

2 stops37h 04m

$1,567

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 3/11

1:48 pm-9:00 am

2 stops28h 12m

Sydney Kingsford Smith

Wed 4/1

1:10 pm-10:25 pm

1 stop24h 15m

$1,700

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sun 11/16

10:47 am-9:15 am

2 stops30h 28m

Sydney Kingsford Smith

Sun 11/23

11:50 am-9:04 pm

2 stops25h 14m

$1,717

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sat 11/15

10:47 am-7:00 am

2 stops28h 13m

Sydney Kingsford Smith

Sat 11/22

11:50 am-6:55 pm

2 stops23h 05m

$1,817

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 1/14

7:00 am-8:55 pm

3 stops45h 55m

Sydney Kingsford Smith

Tue 1/27

3:50 pm-10:00 pm

2 stops46h 10m

$1,977

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Fri 10/24

6:40 pm-6:50 pm

2 stops33h 10m

Sydney Kingsford Smith

Fri 10/31

3:50 pm-6:45 pm

2 stops41h 55m

$2,152

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Thu 11/13

2:55 pm-6:50 pm

2 stops35h 55m

Sydney Kingsford Smith

Mon 11/17

9:40 pm-2:29 pm

2 stops56h 49m

$2,238

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Thu 11/13

6:00 am-8:30 am

2 stops34h 30m

Sydney Kingsford Smith

Mon 11/17

10:40 am-11:11 pm

2 stops28h 31m

$2,267

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, March is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $1,030). 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.
  • How long is the flight from Harrisburg to Sydney?

    There are many flights that can get you from Harrisburg to Sydney in 24h 34m. Fly via American Airlines or United 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, March is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $1,030). 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
Parramatta
Wollongong
Manly
Coogee

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