Cheap Flights from Onslow (ONS) to Perth (PER)

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Flight deals from Onslow Airport to Perth Airport

Looking for a cheap last-minute deal or the best return flight from Onslow Airport to Perth Airport? If you want to travel next month, return fares start from £497. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Onslow to Perth

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

Direct flights from Onslow to Perth

Onslow to Perth: Alternative routes

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

Onslow to Perth: Flight information

The things to know before you go.
Cheapest flight found£497
Cheapest month to flyApril
Average flight time2 hrs
Most popular airlineQantas
Average flights per week22

Finding cheap flights from Onslow to Perth: Frequently asked questions

The best price we found for a return flight from Onslow to Perth is £497. 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.
2 hours is the average flight time from Onslow to Perth.
Qatar Airways, Qantas and Network Aviation fly direct from Onslow to Perth.
As of March 2026, there are 20 flights per week flying from Onslow to Perth.
The cheapest month to fly from Onslow to Perth is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Onslow Airport to Perth Airport on Monday, 13 April 2026.
Yes – the average flight time is 2 hours.
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 Perth 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 Perth is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Qantas offers the cheapest flight tickets to Perth.

Flying from Onslow Airport (ONS) to Perth Airport (PER): what you need to know

  • Around 1 hour 55 minutes is how long you can expect to be in the air on a direct flight from Onslow Airport to Perth Airport.

  • Perth's timezone is UTC+8, which is the same as Onslow.

  • Flights from ONS to PER start at 07:30 — the earliest with Qantas. The latest departure is at 18:30 with Virgin Australia Regional. In total, you can take your pick of five weekly Onslow Airport to Perth Airport flights.

  • Give yourself plenty of time to make your ONS to PER flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like June, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during a high season in general.

  • Qantas offers direct flights from Onslow Airport to Perth Airport. Book with this popular carrier, then get ready to see the sights in Perth — and maybe even more of Australia if your schedule allows.

  • The majority of passengers choose to travel with Qantas on this route.

  • The most punctual carrier operating ONS to PER flights is Qantas. Its services land as planned 74.51% of the time.

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

  • The lowest price we've found for a one-way Onslow Airport to Perth Airport flight is £247. A return fare right now is £497. Depending on the availability when you book, these fares may change.

  • Score cheap tickets from ONS to PER by booking at least six months ahead. According to our research, that's the sweet spot for picking up a bargain.

  • Schedule your trip for May. That's the cheapest month for flights from Onslow Airport to Perth Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the cheapest price across every month.

  • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from ONS to PER.

  • Select your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Onslow Airport to Perth Airport.

Handy information about Onslow Airport (ONS)

  • 74.03% of flights that leave from Onslow Airport arrive at their destination on schedule.

  • Onslow Airport is about 1 mile from central Onslow. If you're ride-sharing, catching a cab or driving from the centre, it'll take 0 hours or so to get there, depending on the traffic.

  • Get your holiday off to a hassle-free start by staying near ONS. Whether you're taking an early flight from Onslow Airport to Perth Airport or just don't like being rushed, these stays are the answer:

Arriving at Perth Airport (PER)

Getting from Perth Airport (PER) to central Perth

  • Perth Airport to central Perth has a drive time of around 20 minutes. It's approximately 10 miles away.

  • It takes around 30 minutes if you're travelling by public transport.

When to fly to Perth Airport (PER)

  • July is the busiest month for flights from Onslow Airport to Perth Airport. To steer clear of the crowds, go to Perth in February.

  • The warmest month in Perth is January, with temperatures ranging between 17ºC (63ºF) and 35ºC (95ºF). Book your flights from Onslow Airport to Perth Airport in this month if this is the type of weather you enjoy.

  • If you want cooler conditions, look for a cheap ticket from ONS to PER in August. Average temperatures are between 8ºC (46ºF) and 20ºC (68ºF) then.

Explore more of Australia

  • You've done Perth, now it's time to discover more of Australia. Travel around 25 miles south to Rockingham to tick off its leading attractions. From Penguin Island to The Catalpa Memorial and Point Peron, there's plenty to keep you on the go.

  • Mandurah is another well-known destination in Australia and is around 40 miles south of Perth. No journey is complete without seeing Emma Blyth Gallery, Dolphin Quay and Len Howard Conservation Park.

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