Cheap flights from Melbourne to Onslow

Compare Melbourne to Onslow flight deals

Find the cheapest month or even day of the year to fly to Onslow

Book the best Onslow fare with no extra fees

Find the cheapest month to fly from Melbourne to Onslow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Melbourne to Onslow flights are currently cheapest in August.

Melbourne to Onslow: Alternative routes

Compare routes from Melbourne to Onslow below. You may find an airport to fly into that's cheaper, faster, or easier than Onslow.

Melbourne to Onslow: Flight information

The things to know before you go.
Cheapest flight found$797
Cheapest month to flyAugust

Finding cheap flights from Melbourne to Onslow: Frequently asked questions

The best price we found for a return flight from Melbourne to Onslow is $1,421. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Melbourne to Onslow. But we found flights with one stop from $1,421.
As of March 2026, there are no flights flying from Melbourne to Onslow.
The cheapest month to fly from Melbourne to Onslow is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Melbourne to Onslow Airport on Thursday, 16 April 2026.
No airlines currently offer direct flights between Melbourne and Onslow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Onslow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Onslow is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Onslow is Virgin Australia .

Travelling from Melbourne to Onslow Airport (ONS): What you need to know

  • The timezone in Onslow is UTC+8, which is three hours behind Melbourne. Onslow Airport is located in Onslow.

  • Leave plenty of time to get on your flight from Melbourne to ONS. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Popular months like December or other peak periods mean longer waiting times and potential delays. Stay on schedule by getting to the airport even earlier. Plan for at least four hours ahead of an international flight and two hours before domestic departures.

Airports in Melbourne

Melbourne Tullamarine Airport (MEL)

  • MEL is about 24 kilometres from central Melbourne. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 35 minutes.

  • In search of a comfortable hotel close to Melbourne Tullamarine Airport? If you've booked an early flight from Melbourne to Onslow Airport, these stays will put you moments from check-in:

  • Of the departures from Melbourne Tullamarine Airport, 68% land on schedule at their destination.

Avalon Airport (AVV)

  • AVV is about 56 kilometres from central Melbourne. It'll take 1 hour 5 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 1 hour 20 minutes.

  • It's your holiday, so why not book another night away at a hotel close to Avalon Airport? Before your Melbourne to ONS flight, check yourself in to Corio Bay Motel.

  • Avalon Airport has a track record for punctuality. 80% of flights taking off from here arrive right when they're supposed to.

About Onslow Airport (ONS)

Getting from Onslow Airport (ONS) to central Onslow

  • Central Onslow is around 6 kilometres from Onslow Airport and takes about 10 minutes to reach by car. See what your options are for heading into the city, whether that's with a car hire, taxi or ride-share.

  • Travelling by public transport takes around 1 hour 15 minutes.

How to find the cheapest flights from Melbourne to Onslow Airport (ONS)

  • $797 is the lowest price for a one-way ticket from Melbourne to Onslow Airport. Return flights start at $1,421. These fares may change depending on demand and availability.

  • Booking early is often the key to scoring a cheap flight from Melbourne to ONS. Prices tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • Cheap Melbourne to Onslow Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' search function to compare fares across each month and then choose the cheapest day.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's a better deal on plane tickets from Melbourne to ONS.

  • Tailor your flights using filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Melbourne to Onslow Airport.

The best time to fly from Melbourne to Onslow Airport (ONS)

  • June is the most popular month for flights from Melbourne to Onslow Airport (ONS). Visit Onslow in November if you'd rather be there when it's quieter.

  • The warmest month in Onslow is February, with temperatures ranging between 26ºC (79ºF) and 36ºC (97ºF). Lock in your Melbourne to ONS plane ticket then if that's your idea of comfortable weather.

  • Look for cheap tickets from Melbourne to Onslow Airport in July if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 15ºC (59ºF) and 26ºC (79ºF).

More about Onslow

  • Start your Onslow trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Melbourne to Onslow Airport, browse our range of hotels including:

  • Lookout point and Onslow Lookout are just two of the big attractions to put on your Onslow travel itinerary. Keep the adventure rolling by checking out Onslow Salt Lake.

Explore more of Australia

  • You've done Onslow, now it's time to explore other parts of Australia. Journey about 209 kilometres northeast to Karratha to tick off its popular sights. From Karratha Lookout to Searipple Lookout and Red Earth Arts Precinct, you'll have a packed itinerary ahead.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.