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Cheap flights from London Heathrow to Sydney

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Compare London Heathrow to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

Book the best Sydney fare with no extra fees

Flight deals from London Heathrow to Sydney

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Sydney? Find the lowest prices on one-way and return tickets right here.
Sydney.P39,914 per passenger.Departing Mon, 19 May, returning Mon, 2 Jun.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Mon, 19 May, arriving in Sydney.Inbound indirect flight with China Eastern, departs from Sydney on Mon, 2 Jun, arriving in London Heathrow.Price includes taxes and charges.From P39,914, select.
Sydney.P41,027 per passenger.Departing Sat, 1 Nov, returning Sat, 8 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Sat, 1 Nov, arriving in Sydney.Inbound indirect flight with China Southern, departs from Sydney on Sat, 8 Nov, arriving in London Heathrow.Price includes taxes and charges.From P41,027, select.
Sydney.P41,165 per passenger.Departing Mon, 27 Oct, returning Thu, 6 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Mon, 27 Oct, arriving in Sydney.Inbound indirect flight with China Southern, departs from Sydney on Thu, 6 Nov, arriving in London Heathrow.Price includes taxes and charges.From P41,165, select.
Sydney.P42,670 per passenger.Departing Mon, 15 Sep, returning Fri, 7 Nov.Return flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Mon, 15 Sep, arriving in Sydney.Inbound indirect flight with China Southern, departs from Sydney on Fri, 7 Nov, arriving in London Heathrow.Price includes taxes and charges.From P42,670, select.
Sydney.P42,767 per passenger.Departing Mon, 15 Sep, returning Tue, 14 Oct.Return flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Mon, 15 Sep, arriving in Sydney.Inbound indirect flight with China Southern, departs from Sydney on Tue, 14 Oct, arriving in London Heathrow.Price includes taxes and charges.From P42,767, select.
Sydney.P45,274 per passenger.Departing Mon, 12 May, returning Mon, 19 May.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Mon, 12 May, arriving in Sydney.Inbound indirect flight with China Eastern, departs from Sydney on Mon, 19 May, arriving in London Heathrow.Price includes taxes and charges.From P45,274, select.
Sydney.P49,189 per passenger.Departing Mon, 2 Jun, returning Mon, 9 Jun.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Mon, 2 Jun, arriving in Sydney.Inbound indirect flight with China Eastern, departs from Sydney on Mon, 9 Jun, arriving in London Heathrow.Price includes taxes and charges.From P49,189, select.
Sydney.P51,329 per passenger.Departing Mon, 20 Oct, returning Mon, 27 Oct.Return flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Mon, 20 Oct, arriving in Sydney.Inbound indirect flight with China Southern, departs from Sydney on Mon, 27 Oct, arriving in London Heathrow.Price includes taxes and charges.From P51,329, select.

Find the cheapest month to fly from London Heathrow to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Sydney flights are currently cheapest in November.
May
from P45,031
Jun
from P48,925
Jul
from P59,900
Aug
from P60,220
Sep
from P58,428
Oct
from P51,053
Nov
from P40,806
Dec
from P52,602
Jan
from P68,765
Feb
from P63,637
Mar
from P58,049
Apr
from P64,522

London Heathrow to Sydney: Alternative routes

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

London to Sydney: Flight information

The things to know before you go.
Cheapest flight foundP39,700
Cheapest month to flyMay

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

The best price we found for a return flight from London Heathrow to Sydney is P39,700. 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.
Currently, there are no airlines that fly direct from London Heathrow to Sydney. But we found flights with one or more stops from P39,700.
As of May 2025, there are no flights flying from London Heathrow to Sydney.
The cheapest month to fly from London Heathrow to Sydney is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Sydney Airport on Monday, 19 May 2025.
No airlines currently offer direct flights between London Heathrow Airport and Sydney Airport. Most routes have one or more stops.
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 Sydney 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, China Eastern offers the cheapest flight tickets to Sydney.

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

  • The timezone in Sydney is UTC+11, which is 11 hours ahead of London.

  • Arrive at the airport on time so you don't miss your LHR to SYD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • Be prepared for longer queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Think about adding a stopover when booking your ticket from London Heathrow Airport to Sydney (Kingsford Smith) Airport. Just uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between LHR and SYD:

    • Changi International Airport

    • Perth Airport

    • Dubai Airport

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

  • At the moment, P27,790 is the lowest price we've seen for a one-way London Heathrow Airport to Sydney (Kingsford Smith) Airport flight. The best price for a return plane ticket is P39,700. Keep in mind that fares may change due to availability at the time of booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from LHR to SYD if you book in advance. Airlines often offer some amazing early bird rates.

  • Finding cheap flights from London Heathrow Airport to Sydney (Kingsford Smith) Airport is easier if you can be flexible with your dates. Use the 'Whole month' search function to see the lowest prices across each month and land a great deal.

  • You don't need to check every day to see if fares have dropped when you create a Price Alert. We'll update you as soon as the price changes on cheap flights from LHR to SYD.

  • Find the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from London Heathrow Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about London Heathrow Airport (LHR)

  • When it comes to the on-time performance of London Heathrow Airport, data shows 68.18% of flights complete their journey on time.

  • To reach London Heathrow Airport from central London, it'll take about 55 minutes if you're going by car. This depends on traffic though. It's approximately 31 kilometres from the airport to the city centre.

  • The trip when using public transport takes about 1 hour.

  • Taking an early flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays near LHR:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport is approximately 18 kilometres from the centre of Sydney. The drive time takes around 20 minutes.

  • It'll take around 25 minutes to get there by public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • It's time to pick your dates for your flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport. April is the busiest month to head to Sydney. If you want a quieter vibe, go in April.

  • When booking your flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport, consider the kind of weather you like. January is the warmest month in Sydney, with the temperature ranging from 17ºC (63ºF) to 32ºC (90ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from LHR to SYD in July. Temperatures average between 5ºC (41ºF) and 19ºC (66ºF) then.

Explore more of Australia

  • You've visited Sydney, now it's time to discover other corners of Australia. Travel around 241 kilometres south-west to Canberra to check off its leading sights. From Australian War Memorial to National Gallery of Australia and Parliament House, there's plenty to keep you busy.

  • Around 121 kilometres north-east of Sydney, Newcastle is another favourite stop in Australia. No visit is complete without checking out Newcastle Beach, Nobbys Beach and Merewether Beach.

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Plan the rest of your trip from London to Sydney

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.