$4,377 Cheap Flights from Melbourne (MEL) to Sidney (SDY)

View $4,377 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from Melbourne Airport (MEL) to Sidney, MT (SDY-Sidney-Richland Municipal)

Cheap Flights from Melbourne to Sidney (MEL-SDY)

Prices were available within the past 7 days and start at $4,377 for one-way flights and $8,589 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 29 - Sun, Nov 16
MEL
Melbourne
SDY
Sidney
$8,589 Roundtrip, found 4 days ago
$8,589
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 29 from Melbourne to Sidney, returning Sun, Nov 16, priced at $8,589 found 4 days ago
American Airlines
Sun, Oct 12 - Sat, Oct 18
MEL
Melbourne
SDY
Sidney
$8,631 Roundtrip, found 5 days ago
$8,631
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Oct 12 from Melbourne to Sidney, returning Sat, Oct 18, priced at $8,631 found 5 days ago

Alternative airports near Sidney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sidney-Richland Municipal SDY. Cheapest and Closest option available. Average driving time to city center is 3 minutes. Flights from $8,589
SDY
Sidney-Richland Municipal
CheapestClosest
Average driving time to city center3 min
Flights from $8,589

Frequently asked questions

How much does a flight from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY) cost?
Snag a cheap one-way flight from $4,377 or cheap return flight from $8,589 from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY)?
The cheapest month to fly from MEL to SDY is October, when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY)?
To find the cheapest airline that'll fly you from MEL to SDY, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY)?
Nonstop flights from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MEL to SDY?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY)?
To avoid potential delays on the Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY) last-minute?
Holding off until just before your trip to book your flight from MEL to SDY generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Keep your travel schedule open for the best chance of getting a bargain.
Is it cheaper to book a MEL to SDY flight and hotel package?
Compared with arranging hotels and flights separately, booking a MEL to SDY flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Tullamarine Airport (MEL) to Sidney-Richland Municipal Airport (SDY)?
If you reserved your MEL to SDY flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Tullamarine
Destination airport
Sidney-Richland Municipal
Roundtrip price
$8,588
Distance
8981 mi

Book with confidence

Book with confidence

Melbourne to Sidney Flights

The cheapest times to fly from Melbourne to Sidney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Melbourne to Sidney are during the month of October. You can find some of the cheapest flights from Melbourne to Sidney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Melbourne to Sidney

Sunday is one of the best days to book for cheap flights from Melbourne to Sidney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Melbourne to Sidney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Melbourne to Sidney in 2025. You can also book with separate airlines for your outbound and return journeys, from $4,377 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Melbourne to Sidney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Melbourne to Sidney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Melbourne to Sidney Flights

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*Available to One Key members.