Cheap Flights from London to Sydney from $546

Frequently Asked Questions

• What are the cheapest flights from London to Sydney (LON-SYD)?

  Based on Trip.com data, Xiamen Airlines offers one-way fares as low as $546 on Cheapest nonstop routes (e.g. LHR to SYD on Sun, Sep 6), while Air China offers Cheapest nonstop round-trips from $841 departing on Wed, Sep 2 and returning on Wed, Sep 9.

• Which airlines offer direct flights from London to Sydney?

  At the moment, you can catch a nonstop flight from London to Sydney with the following airlines, including: Turkmenistan Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from London (LON) to Sydney (SYD) and what is the distance?

  It takes around 23 hours 10 minutes to fly from London (LON) to Sydney (SYD).

• When is the best time to book flights from London to Sydney?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from London to Sydney?

  To find best deals on flights from London to Sydney, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Sep 6, with one-way flights priced at just $546.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qantas Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Sydney travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

  The cheapest months to fly from London to Sydney is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from London to Sydney on?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from London to Sydney on July 14, 2026 with China Eastern Airlines, with prices starting at $1,255.

• Which airports can I fly to for Sydney from London?

  You can land at any one of the following hubs in Sydney, with London Gatwick Airport to Sydney Airport (LGW-SYD) is by far the most common option on this route: Sydney Airport (SYD) Western Sydney International Airport (WSI).

• Is there any time difference between London and Sydney?

  The time difference between Sydney and London is 10h.

• How do I change or cancel my ticket from London to Sydney?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.