$851 Find Cheap Flights from London to Sydney – Compare and Save

Four cabin classes are available on flights from London to Sydney:

• Economy class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A direct flight from London to Sydney takes 00m, covering 27,337 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from London to Sydney range from $1,583 to $2,428, with an average of $1,937 over the past 12 months. Anything below $1,583 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 3% above the $1,937 route average. Book 16 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average $1,405 return via Qingdao Jiaodong Intl (TAO), compared with $2,101 for direct.

One-way fares from London to Sydney are currently lower than usual. Average one-way flight prices are about $927, which is 24% below the typical average for this route.

Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $15 for economy cars. Top options include:

• East Coast Car Rentals
• Bargain Car Rentals
• YESDRIVE CAR RENTAL
• No Birds
• EverythingFleet

Flights from London to Sydney may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Sydney Kingsford Smith (SYD).

One-stop flights from London to Sydney most commonly connect through:

• Hong Kong Intl (HKG) – 16% of one-stop connections
• Abu Dhabi Zayed Intl (AUH) – 16% of one-stop connections
• Singapore Changi (SIN) – 11% of one-stop connections
• Dubai Intl (DXB) – 10% of one-stop connections

Yes. Flexible dates can save you up to 13% on flights from London to Sydney. Monday is the cheapest departure day at $1,823 return on average, while Friday is the most expensive at $2,092, a difference of $269.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time of 23h 26m, compared to 24h 11m via Singapore Changi (SIN) and 24h 33m via Abu Dhabi Zayed Intl (AUH).

Sydney is 11 hours ahead of London (Eastern Australia Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Sydney are Sydney Opera House, Star Casino, and Capitol Theatre. These are among the most viewed places in Sydney on KAYAK.

Among airlines operating London to Sydney flights:

• Qantas Airways: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Qantas Airways: a cabin bag and a checked bag in Economy class
• British Airways: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

The legislation around smoking in New South Wales states that it is an offence to smoke within four metres of a public entrance or exit. There are designated smoking areas outside of the terminals, which are clearly signed; however, there are none for those transiting through T1 International Terminal, so you will not have an option to smoke until you have exited the arrivals area.

There are multiple assistance host areas in each terminal with staff that can assist with general advice, directions or assistance for mobility-impaired travellers or those otherwise needing assistance. There are accessible facilities throughout the airport, including wheelchair access toilets in every terminal, SignLive service available for hearing impaired travellers, the Aira app for visually impaired guests and plenty of free-to-use mobility equipment, available by asking any of the staff at any area of the airport.

In Terminal 2–5 at Heathrow Airport, families find Stay & Play areas in the Departures Area. In the International Terminal (Terminal 2), the family zone is located in the main departure lounge close to Gate 16.

While smoking is not permitted throughout the terminal buildings, there are a few outdoor smoking areas at Heathrow Airport; they are indicated with a sign. The smoking ban beyond these designated areas also applies to e-cigarettes. Once passengers have passed through the security checkpoints, there is no possibility to smoke anymore.

If you fancy freshening up after the long flight from London to Sydney, you can check in at the shower facilities available at Sydney Airport. They are situated close to the check-in counters A and K in the general check-in area. Towels and toiletries are not provided at these facilities.

Baby changing areas can be found at each terminal at Heathrow Airport, both in the public and post-security area. They are designated with a family sign and usually close to the public toilets. At Gatwick Airport, you can find them in the check-in area, in the transfer, and post-security area.

London Heathrow features a variety of onsite airport hotels where you can spend the night before your flight from London to Sydney takes off. If you only need a bed for a few hours, opt for the YOTEL that offers Japanese-style capsules. The Sofitel at Terminal 5 provides more luxury, and at Terminal 3 and 4, you find the Aerotel and Hilton respectively.