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$1,435+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SYD
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap 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 February 20, 2026.

This American Airlines deal was found by Cheapflights users on 2/19. 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 3/612:35 pm
MDT
-
SYD
2 stops28h 25m
American Airlines
Sat 3/1411:20 am
SYD
-
MDT
2 stops26h 32m
American Airlines
Deal found 2/19$1,435
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Thu 8/1312:04 pm
MDT
-
SYD
2 stops29h 01m
American Airlines
Thu 8/209:10 am
SYD
-
MDT
2 stops28h 03m
American Airlines
Deal found 2/16$1,558
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 5/1310:42 am
MDT
-
SYD
2 stops30h 13m
United Airlines
Thu 5/289:30 am
SYD
-
MDT
2 stops24h 18m
United Airlines
Deal found 2/17$1,575
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/510:44 am
MDT
-
SYD
2 stops30h 16m
United Airlines
Sun 4/129:30 am
SYD
-
MDT
2 stops45h 21m
United Airlines
Deal found 2/19$1,714
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 4/36:15 am
MDT
-
SYD
2 stops34h 45m
United Airlines
Fri 4/109:30 am
SYD
-
MDT
2 stops28h 52m
United Airlines
Deal found 2/17$1,725
This Qatar Airways deal was found by Cheapflights users on 2/18. 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.
Fri 2/278:00 am
MDT
-
SYD
2 stops54h 50m
Qatar Airways
Tue 3/33:50 pm
SYD
-
MDT
2 stops47h 09m
Qatar Airways
Deal found 2/18$2,017
This Qantas Airways deal was found by Cheapflights users on 2/16. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:17 pm
MDT
-
SYD
2 stops26h 38m
Multiple Airlines
Thu 8/206:25 am
SYD
-
MDT
3 stops31h 26m
Multiple Airlines
Deal found 2/16$2,900

Find 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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,435
(American Airlines)
Provider with most accurate pricing for Harrisburg-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-Sydney Kingsford Smith flights.
Search Deals
From Harrisburg to Sydney Kingsford Smith
Search Deals

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 February 20, 2026.
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 3/6

12:35 pm-9:00 am

2 stops28h 25m

Sydney Kingsford Smith

Sat 3/14

11:20 am-10:52 pm

2 stops26h 32m

$1,435

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Thu 8/13

12:04 pm-7:05 am

2 stops29h 01m

Sydney Kingsford Smith

Thu 8/20

9:10 am-11:13 pm

2 stops28h 03m

$1,558

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Wed 5/13

10:42 am-6:55 am

2 stops30h 13m

Sydney Kingsford Smith

Thu 5/28

9:30 am-7:48 pm

2 stops24h 18m

$1,575

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sun 4/5

10:44 am-7:00 am

2 stops30h 16m

Sydney Kingsford Smith

Sun 4/12

9:30 am-4:51 pm

2 stops45h 21m

$1,714

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Fri 4/3

6:15 am-8:00 am

2 stops34h 45m

Sydney Kingsford Smith

Fri 4/10

9:30 am-12:22 am

2 stops28h 52m

$1,725

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Thu 8/13

11:46 am-7:30 am

3 stops29h 44m

Sydney Kingsford Smith

Thu 8/20

6:25 am-11:51 pm

3 stops31h 26m

$2,900

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Fri 3/6

2:59 pm-6:55 am

3 stops47h 56m

Sydney Kingsford Smith

Sat 3/14

4:20 pm-7:25 pm

3 stops42h 05m

$10,908

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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, August is the cheapest month in which you can book a flight from Harrisburg to Sydney (average of $135). Flying from Harrisburg to Sydney in June is currently the most expensive (average of $1,394). 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 28h 25m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 9784 mi.

  • 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 $135). Flying from Harrisburg to Sydney in June is currently the most expensive (average of $1,394). 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

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