$1,275+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Harrisburg to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $1,275 (Delta) |
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Find flight deals from Harrisburg to Sydney
Cheapest flights from Harrisburg to SydneyExplore 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 June 12, 2025.
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 June 12, 2025.
This Delta deal was found by Cheapflights users on 6/11. 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.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This Qantas Airways deal was found by Cheapflights users on 6/11. 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.
This Fareboom deal was found by Cheapflights users on 6/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight 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 June 12, 2025.
Use the filters below to find and compare flights from Harrisburg to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
HarrisburgSydney
MDT - SYD
MDTSYD
Harrisburg
Mon 8/25
6:00 am-6:35 am
2 stops34h 35m
Sydney Kingsford Smith
Sat 9/6
9:25 am-10:59 pm
2 stops27h 34m
HarrisburgSydney
MDT - SYD
MDTSYD
Harrisburg
Mon 8/25
12:34 pm-6:55 am
2 stops28h 21m
Sydney Kingsford Smith
Sun 9/7
12:10 pm-11:07 pm
1 stop24h 57m
HarrisburgSydney
MDT - SYD
MDTSYD
Harrisburg
Sat 7/26
7:59 pm-6:55 am
2 stops44h 56m
Sydney Kingsford Smith
Sat 8/2
10:20 am-7:52 pm
2 stops23h 32m
HarrisburgSydney
MDT - SYD
MDTSYD
Harrisburg
Mon 8/25
2:49 pm-6:55 am
2 stops26h 06m
Sydney Kingsford Smith
Sat 9/6
6:00 am-7:47 pm
3 stops27h 47m
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.
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 $1,041). Flying from Harrisburg to Sydney in December is currently the most expensive (average of $1,635). 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.
Rainfall in Sydney by month
Plan your trip to Sydney by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.
Temperature in Sydney by month
Plan your trip to Sydney by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated June 12, 2025.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC