London → Sydney
D7
£395
per person
1 stop11/20/2026
View DealCheap Flights from London to Sydney
Compare prices from Qantas, Emirates, Singapore Airlines and more. Flight time: 21-24 hours | Distance: 16,990 km
Best time to book3-6 months in advance
Peak seasonDecember-February
Off-peak seasonMay-September
Your Complete Guide to London to Sydney Flights
Planning a trip from London to Sydney? You've come to the right place. TravelDealForge compares flight prices from all major airlines operating on this popular route, helping you find the best deals and save money on your journey.
The route between London and Sydney is served by leading carriers including Qantas, Emirates, Singapore Airlines, Cathay Pacific. With a flight time of approximately 21-24 hours and a distance of 16,990 km, this is a medium to long-haul journey ideal for extended holidays.
Top Airlines on This Route
- Qantas - offering regular services between London and Sydney
- Emirates - offering regular services between London and Sydney
- Singapore Airlines - offering regular services between London and Sydney
- Cathay Pacific - offering regular services between London and Sydney
Airport Information
Departure: London Heathrow (LHR)
Arrival: Sydney Kingsford Smith (SYD)
Frequently Asked Questions
How long is the flight from London to Sydney?
Direct flights from London to Sydney typically take 21-24 hours. The flight distance is approximately 16,990 km.
Which airlines fly from London to Sydney?
Popular airlines operating on this route include Qantas, Emirates, Singapore Airlines, Cathay Pacific. We recommend comparing prices across all carriers to find the best deal.
What is the best time to book flights from London to Sydney?
For the best prices, we recommend booking 3-6 months in advance. Peak season is December-February, while the cheapest fares are often found during May-September.
Which airport should I fly from/to for London to Sydney?
Flights typically depart from London Heathrow (LHR) and arrive at Sydney Kingsford Smith (SYD). Some budget airlines may use alternative airports, so check your booking carefully.