£442 Find Cheap Flights from London Heathrow Airport to Sydney – Compare and Save

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

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

Prices vary by airline.

A direct flight from London Heathrow Airport to Sydney takes 0h 00m, covering 10,568 miles.

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 Heathrow Airport to Sydney range from £854 to £1,276, with an average of £1,021 over the past 12 months. Anything below £854 counts as a good deal.

Last-minute fares on this route (booked within 2 weeks of departure) run 5% above the route average of £1,021. Book 5 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £744 return via Qingdao Jiaodong Intl (TAO), compared with £1,114 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £75–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A380-800 family is used most often on this route, operated mainly by Qantas Airways. Other aircraft seen on the route include Boeing 777 variants.

One-way fares from London Heathrow Airport to Sydney are currently lower than usual. Average one-way flight prices are about £458, which is 30% below the typical average for this route.

Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around £8 for economy cars. Top options include:
• Bargain Car Rentals
• East Coast Car Rentals
• EverythingFleet
• YESDRIVE CAR RENTAL
• No Birds

Flights from London Heathrow Airport to Sydney usually depart from London Heathrow (LHR) and arrive at Sydney Kingsford Smith (SYD).

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

• Hong Kong Intl (HKG) – 21% of one-stop connections
• Abu Dhabi Zayed Intl (AUH) – 20% of one-stop connections
• Singapore Changi (SIN) – 10% of one-stop connections
• New Delhi Indira Gandhi Intl (DEL) – 8% of one-stop connections

Hong Kong Intl (HKG) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the London Heathrow Airport to Sydney route. Monday is the cheapest departure day at £962 return on average, while Friday is the most expensive at £1,109, a difference of £147. KAYAK's flexible dates feature shows options up to 3 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 29m, compared to 24h 19m via Singapore Changi (SIN) and 24h 31m via Abu Dhabi Zayed Intl (AUH).

Sydney is 9 hours ahead of London Heathrow Airport (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, Sydney Cricket Ground, and Star Casino. These are among the most viewed places in Sydney on KAYAK.

Among airlines operating London Heathrow Airport 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

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

Unfortunately, there are no direct flights between London and Sydney; however, there are multiple efficient options you can take that require a transfer during the journey. Depending on which airline you fly with, you will make a transfer usually at their airport hub. For instance, a flight with Emirates would require one change at Dubai International Airport before you continue your onwards journey.

Heathrow Airport is a busy airport and it can take some time to get through the security and baggage checks. One way to speed this up is to pre-book with Fast Track Security. Available at all terminals at Heathrow, it costs about £12.50 and needs to be booked 24h in advance. It can save you considerable time, especially if you are in a rush.

Should you not want to be in a rush the day of your flight, one great option is to stay at an airport hotel. Heathrow has many hotels catering for various terminals. So, if for example you’re leaving from Terminal 2 with Singapore Airlines to Sydney, you could opt for Aerotel London Heathrow, which is only a few minutes away from the terminal building.

It’s easy to get from Sydney Airport to Sydney city centre. Upon arrival you have two train options, you can jump on the T8 South Line train, which takes approximately 13min and leaves every 10min or so. This can be found at the northern end of the arrivals hall or hop on the AirLink and be in Sydney in about 15min. The train also connects the terminals at Sydney Airport, so you can board wherever you land. Tickets cost around A$ 20 and you can use an Opal top-up card, purchasable at the station, or your credit card to pay the fare. Alternatively, you can get either the number 400 or 420 bus, which leave regularly from outside the terminals. Of course, you could get a taxi, but these can be quite expensive.

There are various open-access lounges at Heathrow Airport where you can wait for your flight in style. The House Lounge is located in Terminal 4, where you also find the Plaza Premium Lounge. In Terminal 3, you find the No1 Lounges.

Heathrow Airport is a smoke-free airport, but there are some designated smoking areas outside the terminal buildings. The smoke ban includes e-cigarettes. Passengers should note that smoking beyond the security point is not possible anywhere.

If you have booked an early flight and want to remain close to the airport, you can stay in a range of airport hotels close to the terminal buildings. Hotels include the Holiday Inn Heathrow Airport, DoubleTree by Hilton, and the Mercure London Heathrow, to name some.

Throughout Heathrow Airport, you find charging stations for phones and laptops. They are compatible with UK and European plug outlets, but also have a USB port for international devices.

British citizens need a visa for Australia; otherwise, you will be denied entry upon arrival. These can be obtained quickly and easily online before your flight. In addition, your passport must be valid for the entirety of your planned stay.

If you arrive late at Sydney Airport or if you have a connecting flight, you might want to stay at an airport hotel. For instance, Aerotel Sydney (Arrivals B, International Terminal 1) is only a short walk from the airport terminal upon landing.

As the flight from London to Sydney is long, you may want to lower the emissions that your flight contributes. For example, American Airlines completes this route emitting around 67% less carbon dioxide than some other airlines. This means that rather than emitting roughly 4,254 kg CO2 per passenger, it releases only about 1,364 kg CO2.

With the flight from London to Sydney taking the best part of a day, you might want to upgrade your stay to a more comfortable cabin class. American Airlines is an example of an airline with this superior cabin class, which includes checked luggage, cabin luggage and a fully reclining seat.