Cheap Flight Fares from Sydney to London Heathrow

Compare Sydney to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Sydney to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Sydney to London Heathrow? Find the lowest prices on one-way and return tickets right here.

London.₹ 29,987 per passenger.Departing Thu, 5 Feb.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from Sydney on Thu, 5 Feb, arriving in London Heathrow.Price includes taxes and charges.From ₹ 29,987, select.

London.₹ 30,833 per passenger.Departing Thu, 29 Jan.One-way flight with Beijing Capital Airlines.Outbound indirect flight with Beijing Capital Airlines, departs from Sydney on Thu, 29 Jan, arriving in London Heathrow.Price includes taxes and charges.From ₹ 30,833, select.

London.₹ 32,300 per passenger.Departing Thu, 12 Mar.One-way flight with Beijing Capital Airlines.Outbound indirect flight with Beijing Capital Airlines, departs from Sydney on Thu, 12 Mar, arriving in London Heathrow.Price includes taxes and charges.From ₹ 32,300, select.

London.₹ 40,300 per passenger.Departing Fri, 24 Jul.One-way flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Sydney on Fri, 24 Jul, arriving in London Heathrow.Price includes taxes and charges.From ₹ 40,300, select.

London.₹ 40,831 per passenger.Departing Tue, 20 Oct.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from Sydney on Tue, 20 Oct, arriving in London Heathrow.Price includes taxes and charges.From ₹ 40,831, select.

London.₹ 41,278 per passenger.Departing Sun, 3 May.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from Sydney on Sun, 3 May, arriving in London Heathrow.Price includes taxes and charges.From ₹ 41,278, select.

London.₹ 41,517 per passenger.Departing Mon, 20 Apr.One-way flight with AirAsia X.Outbound indirect flight with AirAsia X, departs from Sydney on Mon, 20 Apr, arriving in London Heathrow.Price includes taxes and charges.From ₹ 41,517, select.

London.₹ 43,628 per passenger.Departing Thu, 11 Jun.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Sydney on Thu, 11 Jun, arriving in London Heathrow.Price includes taxes and charges.From ₹ 43,628, select.

Find the cheapest month to fly from Sydney to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to London Heathrow flights are currently cheapest in February.

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Sydney to London Heathrow: Alternative routes

Compare routes from Sydney to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Sydney to London: Flight information

The things to know before you go.

Cheapest flight found	₹ 29,987
Cheapest month to fly	February

Finding cheap flights from Sydney to London Heathrow: Frequently asked questions

How much are return flights from Sydney to London Heathrow?

The best price we found for a return flight from Sydney to London Heathrow is ₹ 70,357. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Sydney to London Heathrow?

Currently, there are no airlines that fly direct from Sydney to London Heathrow. But we found flights with one or more stops from ₹ 70,357.

How many flights are there a week from Sydney to London Heathrow?

As of December 2025, there are no flights flying from Sydney to London Heathrow.

When is the cheapest time to fly from Sydney to London Heathrow?

The cheapest month to fly from Sydney to London Heathrow is usually March.

Which upcoming date is cheapest to fly from Sydney Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to London Heathrow Airport on Friday, 6 March 2026.

Can I get a direct flight from Sydney Airport to London Heathrow Airport?

No airlines currently offer direct flights between Sydney Airport and London Heathrow Airport. Most routes have one or more stops.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Sydney Airport to London Heathrow with?

Currently, China Southern offers the cheapest flight tickets to London Heathrow.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to London Heathrow Airport (LHR): what you need to know

The timezone in London is UTC+0, which is 11 hours behind Sydney.
For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your SYD to LHR flight.
You can expect bigger queues during popular months like April. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.
If you'd like to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Sydney (Kingsford Smith) Airport to London Heathrow Airport. Here are the top stopovers between SYD and LHR:
- Dubai Airport
- Changi International Airport
- Hong Kong International Airport

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to London Heathrow Airport (LHR)

The lowest price we've found for a one-way Sydney (Kingsford Smith) Airport to London Heathrow Airport flight is ₹ 29,987. A return ticket is currently ₹ 70,357. Depending on the availability when you book, these fares may change.
Don't leave things to the last minute. You're more likely to get cheap tickets from SYD to LHR if you book early. Airlines often offer some excellent early bird discounts.
Getting cheap flights from Sydney (Kingsford Smith) Airport to London Heathrow Airport is more likely if you're flexible with your travel plans. Use the 'Whole month' search tool to see the best prices throughout the month and snap up a great deal.
You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you as soon as the price changes on cheap flights from SYD to LHR.
Select your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Sydney (Kingsford Smith) Airport to London Heathrow Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

When it comes to the on-time performance of Sydney (Kingsford Smith) Airport, 69.62% of flights meet their scheduled arrival time.
Sydney (Kingsford Smith) Airport is about 18 kilometres from central Sydney. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on the traffic.
Expect a trip time of about 25 minutes on public transport.
Need a handy hotel close to SYD? If you're boarding an early flight from Sydney (Kingsford Smith) Airport to London Heathrow Airport, these stays will put you moments from your check-in counter:

Arriving at London Heathrow Airport (LHR)

Reserve a hotel close to LHR if you're on a late Sydney (Kingsford Smith) Airport to London Heathrow Airport flight. Select one of these options and make your arrival easier:
Travel at your own pace with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and experience more of London and beyond.
Lock in the best possible rate by reserving your vehicle from London Heathrow Airport around one week in advance of your trip.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport to the centre of London has a drive time of around 55 minutes. It's approximately 31 kilometres away.
When travelling on public transport, expect a journey time of around 1 hour.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from Sydney (Kingsford Smith) Airport to London Heathrow Airport is February, while July is the most popular. Choose the best time to go to London based on whether you prefer a faster pace or a more relaxed vibe.
When reserving your flight from Sydney (Kingsford Smith) Airport to London Heathrow Airport, consider the type of weather you enjoy. July is the warmest month in London, with temperatures ranging from 11ºC to 26ºC.
January has average temperatures of between 0ºC and 9ºC. Look for cheap tickets from SYD to LHR sometime around then if you like cooler conditions.

Explore more of United Kingdom

Birmingham is just one of the many cities in United Kingdom waiting to be discovered once you've taken in the sights of London. Around 161 kilometres away to the north-west, top sights here include Cadbury World, The Library of Birmingham and National Sea Life Centre.
Around 177 kilometres west of London, Bristol is another essential stop in United Kingdom. Experience this destination's highlights firsthand at Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.