Flights from London to Sydney are among the most searched long-haul routes from the UK. Sydney is a major destination for tourism, business travel, and visiting friends and relatives, offering excellent connectivity from London and other UK airports.
At Businessfare.co.uk, we provide clear and up-to-date information to help travellers compare cheap flights from London to Sydney, understand travel times, and plan their journey with confidence.
Yes. Flights operate year-round from London to Sydney.
Most routes are one-stop flights, connecting through major international hubs. Direct flights may be limited or seasonal, depending on airline schedules.
Flights are also available from other UK airports with one stop.
Average travel time: around 22 to 24 hours
Total journey time depends on:
Airline
Transit airport
Connection duration
Sydney is one of the longest long-haul routes from the UK, so choosing the right connection is important for comfort.
Travellers can fly to Sydney from:
London Heathrow
London Gatwick
Manchester
Birmingham
Other major UK airports
Availability and fares may vary depending on departure city and season.
To improve your chances of securing lower fares:
Book flights well in advance
Stay flexible with travel dates where possible
Compare one-stop routes and airlines
At Businessfare.co.uk, we help travellers review airline options and fare trends so they can make informed decisions rather than booking at the last minute.
Flight prices can change throughout the year. In general:
Booking 8–12 weeks ahead often offers better availability
Shoulder seasons may provide better value than peak travel periods
Prices tend to increase around school holidays and festive dates
Businessfare.co.uk is a UK-based travel agency specialising in international flight bookings. We focus on transparency, clear fare information, and reliable customer support.
Access to multiple international airlines
Clear explanation of fares and baggage rules
Support before and after booking
PTS-protected bookings for peace of mind
Flight prices for London → Sydney vary throughout the year depending on demand, holidays, and airline availability. Below is a general price guide for return economy tickets.
Estimated return fares: £850 – £1,050
Lower demand after the holiday season
Good availability and competitive pricing
Ideal for travellers looking for cheaper long-haul flights
Estimated return fares: £900 – £1,150
Stable prices with good flight availability
Suitable for leisure and business travel
Popular shoulder season with balanced demand
Estimated return fares: £1,150 – £1,450
Peak travel period due to school holidays
Higher demand and limited seat availability
Early booking is strongly recommended
Estimated return fares: £900 – £1,100
One of the best periods for value
Fewer crowds and more flexible options
Good choice for budget-conscious travellers
Estimated return fares: £1,300 – £1,600+
Very high demand due to Christmas and New Year
Prices increase quickly closer to departure
Booking well in advance is essential
Book 8–12 weeks in advance whenever possible
Avoid peak travel months if dates are flexible
Consider one-stop routes for better value
Speak with a travel expert to check alternative dates
At Businessfare.co.uk, we help travellers compare airlines and seasonal pricing to find the best available fare at the time of booking.
All prices are indicative only
Fares are subject to availability and may change without notice
Taxes, airline surcharges, and fare conditions apply
Final price is confirmed only at ticket issuance
For flight availability, fare guidance, or booking support, contact our team directly.
Customer Support: 020 3917 2644
Email: sales@businessfare.co.uk
Our team is available to assist with route options, pricing queries, and travel planning.