Cheap Flights from London to Sydney (LON-SYD)
Prices were available within the past 7 days and start at $513 for one-way flights and $726 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Travel information
Travel information
Origin airport | Gatwick |
Destination airport | Kingsford Smith Intl. |
Airlines serving | Air Canada, Air China, Air France, Air India, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Japan Airlines, KLM, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Thai Airways International, Turkish Airlines, United |
Roundtrip price | $725 |
Distance | 10574 mi |
Book with confidence
Book with confidence
The cheapest times to fly from London to Sydney
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Sydney are during the month of May. You can find some of the cheapest flights from London to Sydney with Expedia's search tool and vast selection of airlines.
The best time to book a flight from London to Sydney
Sunday is one of the best days to book for cheap flights from London to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from London to Sydney
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $513 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Flights
- Flights from Luton
- Flights from Oxford
- Flights from Stansted
- Flights from Farnborough
- Flights from Cambridge
- Flights from Southampton
- Flights from Heathrow
- Flights from Southend
- Flights from London City
- Flights from Gatwick
- Flights from Sydney (SYD) to Melbourne (MEL)
- Flights from Phoenix (PHX) to Sydney (SYD)
- Flights from Washington (IAD) to Sydney (SYD)
- Flights from Dallas (DFW) to Sydney (SYD)
- Flights from Lahore (LHE) to Sydney (SYD)
- Flights from Boston (BOS) to Sydney (SYD)
- Flights from Seattle (SEA) to Sydney (SYD)
- Flights from Detroit (DTW) to Sydney (SYD)
- Flights from Atlanta (ATL) to Sydney (SYD)
- Flights from Houston (IAH) to Sydney (SYD)
- Flights from New York (LGA) to Sydney (SYD)
- Flights from Honolulu (HNL) to Sydney (SYD)
- Flights from Dhaka (DAC) to Sydney (SYD)
- Flights from Manila (MNL) to Sydney (SYD)
- Flights from Chicago (ORD) to Sydney (SYD)
- Flights from Guam (GUM) to Sydney (SYD)
- Flights from Nadi (NAN) to Sydney (SYD)
- Flights from Nairobi (NBO) to Sydney (SYD)
- Flights from Miami (MIA) to Sydney (SYD)
- Flights from New York (JFK) to Sydney (SYD)
- Flights from Washington (DCA) to Sydney (SYD)
- Flights from Melbourne (MEL) to Sydney (SYD)
- Flights from Los Angeles (LAX) to Sydney (SYD)
- Flights from Newark Liberty Intl. Airport (EWR) to Sydney (SYD)
- Flights from Denver (DEN) to Sydney (SYD)
- Flights from Kathmandu (KTM) to Sydney (SYD)
- Flights from San Francisco (SFO) to Sydney (SYD)
- Flights from New York (NYC) to London (LON)
- Flights from Lahore (LHE) to Manchester (MAN)
- Flights from New York (JFK) to Manchester (MAN)
- Flights from Lagos (LOS) to Manchester (MAN)
- Flights from Los Angeles (LAX) to Manchester (MAN)
- Flights from Sydney (SYD) to Auckland (AKL)
- Flights from London (LON) to San Francisco (SFO)
- Flights from Sydney (SYD) to Los Angeles (LAX)
- Flights from Boston (BOS) to Glasgow (GLA)
- Flights from London (LON) to Amsterdam (AMS)
- Flights from London (LON) to New York (NYC)
- Flights from London (LON) to Paris (PAR)
- Flights from London (LON) to Dubai (DXB)
- Flights from London (LON) to Edinburgh (EDI)
- Flights from London (LON) to Washington (WAS)
- Flights from London (LON) to Tokyo (TYO)
- Flights from London (LON) to Istanbul (IST)
- Flights from London (LON) to Los Angeles (QLA)
- Flights to Coffs Harbour
- Flights to Wollongong
- Flights to Busselton
- Flights to Nelson Bay
- Flights to Brisbane
- Flights to Port Macquarie
- Flights to Sydney
- Flights to Margaret River
- Flights to Newcastle
- Flights to Cairns
- Flights to Perth
- Flights to Melbourne
- Flights to Canberra
- Flights to Adelaide
- Flights to Hobart
- Flights to Byron Bay
- Flights to Sunshine Coast
- Flights to Geelong
- Flights to Port Douglas
- Flights to Gold Coast
- Brussels Airlines
- Air Canada
- Delta
- KLM
- Iberia
- Finnair
- Austrian Airlines
- Swiss International Air Lines
- Aer Lingus
- Virgin Atlantic
- British Airways
- United
- Lufthansa
- JetBlue Airways
- Air France
- American Airlines
- Qantas Airways Seattle (SEA) to Sydney (SYD) flights
- Qantas Airways Dallas (DFW) to Sydney (SYD) flights
- Qantas Airways San Francisco (SFO) to Sydney (SYD) flights
- British Airways LON-All Airports to NYC-All Airports flights