Compare Low-Cost Flights to Australia from £461

Return flights from London to Australia typically cost between £838 and £989 in September, though fares move with demand, season and how early you book. The lowest fare our search found recently was £821 — a great price and well below the usual range, so a price near this is worth grabbing. Keeping your dates flexible and comparing nearby days is the easiest way to land at the cheaper end.

The cheapest day to depart to Australia is usually Wednesday, when fares start from around £965 — midweek departures tend to be quieter and cheaper. Tuesday is typically the most expensive day to fly out (around £1274), as weekend travel is popular with leisure and business travellers alike. Where your plans allow, moving your outbound to a cheaper weekday can noticeably lower the total fare.

Flights to Australia are generally cheapest departing in the evening, with fares from around £821. Departures in the afternoon tend to cost more (about £871), as those slots are more convenient and in higher demand. Picking an off-peak departure time is a simple way to trim the price without changing your dates.

The cheapest return flights to Australia depart from London Heathrow (LHR), from around £976. London has several airports serving this route and fares can vary between them — Stansted (STN) is often the priciest at around £1503. It's worth checking which London airport is both cheapest and most convenient for you before booking.

For Australia, prices are generally cheapest when you fly direct, with fares from around £821 versus about £821 for a 1-stop itinerary. A direct flight also saves you time and the hassle of a connection, so it's usually the better all-round choice on this route. Stopovers only tend to pay off here if a particular date or airline happens to be cheaper.