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Find cheap one-way flights from London to Sydney starting at US$493.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from London to Sydney?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from London to Sydney

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Wizz Air Malta
From US$362
easyJet
From US$399
Ryanair
From US$406
Wizz Air UK
From US$407
Vueling Airlines
From US$415
Air China
From US$440
KLM
From US$461
British Airways
From US$462
China Southern Airlines
From US$493
Shenzhen Airlines
From US$520
ANA airlines

Find more flights and airlines

Find cheap flights from London to Sydney by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from London to Sydney.

  • Cheapest
    Wizz Air Malta
    LGW
    21:10
    56h 5m
    2 transfer
    SYD
    14:15
    London Gatwick Airport - Kingsford Smith Airport
    Sat, Apr 13Wizz Air Malta
    US$362
  • Ryanair
    STN
    18:10
    59h 5m
    2 transfer
    SYD
    14:15
    London Stansted Airport - Kingsford Smith Airport
    Fri, Apr 19Ryanair
    US$406
  • Wizz Air UK
    LTN
    07:45
    27h 0m
    2 transfer
    SYD
    19:45
    London Luton Airport - Kingsford Smith Airport
    Mon, Apr 8Wizz Air UK
    US$407
  • Wizz Air UK
    LTN
    07:45
    27h 0m
    2 transfer
    SYD
    19:45
    London Luton Airport - Kingsford Smith Airport
    Mon, Apr 8Wizz Air UK
    US$407
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from London (LON) to Sydney (SYD) the cheapest?

    Airlines adjust prices for flights from London to Sydney based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from London (LON) to Sydney (SYD) cost?

    According to Trip.com's data, the lowest price is around $1,550.
  • How long does it take to fly from London (LON) to Sydney (SYD) and what is the distance?

    It takes around 23 hours 8 minutes to fly from London (LON) to Sydney (SYD).
  • What is the transportation method from the main airport to downtown in Sydney?

    • The distance from Kingsford Smith Airport to downtown is about 8km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from London (LON) to Sydney (SYD)?

    Airlines with flights from London (LON) to Sydney (SYD): British Airways, Qantas Airways and Iberia.

London to Sydney Flight Information

Cheapest nonstop flight price

$492

Cheapest round-trip ticket price

$1,256

Off-season for travel

April

Peak season for travel

September

Read before Taking Flights from London to Sydney

If you’re looking to book cheap flights from London to Sydney, Trip.com has you covered. Many people travel from London to Sydney for the city’s world-famous sights, delicious Australian cuisine and unrivalled shopping scene. A convenient destination, you can fly from London to Sydney in just over 22 hours 30 mins, making it the perfect place for a short city break, or even a gateway to explore the rest of Australia. With prices starting from just £384, there’s never been a better time to book tickets from London to Sydney and experience all that this incredible city has to offer.

How to find a cheap flights from London to Sydney

Finding cheap flights from London to Sydney is easy with our money-saving tips. You can secure the best deals by booking in advance, flying on a weekday rather than a weekend, going incognito when browsing for flights, and choosing to fly with better-priced budget airlines.

Airlines that fly from London to Sydney

A few airlines offer direct flights from London to Sydney, including British Airways, Qantas Airways Limited

Flight time from London to Sydney

Sydney lies a distance of miles from London, with flights taking around 22 hours 30 mins.

Departure from a London Airport to Sydney

Flights from London Heathrow Airprot to Sydney You can get a tube direct from the city centre to the airport. It takes approximately 45 minutes on the Piccadilly Line with prices starting from £5.50, or 30 minutes on the Elizabeth Line for £12.80. You can also get the Heathrow Express from London Paddington in 15 minutes from £5.50, or a 35-minute coach from London Victoria from £6.Flights from London Gatwick Airport to Sydney The Gatwick Express offers a non-stop train from London Victoria in just 30 minutes for £19.90. Southern and Thameslink also offer trains, with prices starting from £11.30. You can also get a coach from London Victoria to Gatwick from £10 which takes 1.5-2 hours.Flights from London Stansted Airport to Sydney The Stansted Express takes 50 minutes from London Liverpool street with prices from £9.90. You can also get the Airport Bus Express from here too, which takes around 1 hour and costs £12.Flights from London Luton Airport to Sydney The Luton Airport Express from London St Pancras takes 32 minutes with tickets from £10, or from just £5, you can get a 1.5 hour National Express Coach from London Victoria.Flights from London City Airport to Sydney You can get the DLR to London City Airport from Bank in around 20 minutes, with prices starting from just £3.Flights from London Southend Airport to Sydney Greater Anglia and c2c offer trains from Liverpool street station to Southend airport in 52 minutes, with tickets starting from £20.10.