Cheap flights from London Heathrow to Sydney

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 round-trip flight from London Heathrow to Sydney? Find the lowest prices on one-way and round-trip tickets right here.

Sydney.$723 per passenger.Departing Mon, Dec 30, returning Thu, Mar 13.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Mon, Dec 30, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Thu, Mar 13, arriving in London Heathrow.Price includes taxes and charges.From $723, select.

Sydney.$723 per passenger.Departing Mon, Nov 25, returning Sun, Feb 23.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Mon, Nov 25, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Sun, Feb 23, arriving in London Heathrow.Price includes taxes and charges.From $723, select.

Sydney.$723 per passenger.Departing Fri, Feb 21, returning Tue, Mar 4.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Fri, Feb 21, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Tue, Mar 4, arriving in London Heathrow.Price includes taxes and charges.From $723, select.

Sydney.$723 per passenger.Departing Sat, Mar 1, returning Fri, Mar 7.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Sat, Mar 1, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Fri, Mar 7, arriving in London Heathrow.Price includes taxes and charges.From $723, select.

Sydney.$730 per passenger.Departing Mon, Dec 2, returning Tue, Feb 25.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Mon, Dec 2, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Tue, Feb 25, arriving in London Heathrow.Price includes taxes and charges.From $730, select.

Sydney.$730 per passenger.Departing Wed, Feb 19, returning Tue, Feb 25.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Wed, Feb 19, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Tue, Feb 25, arriving in London Heathrow.Price includes taxes and charges.From $730, select.

Sydney.$756 per passenger.Departing Mon, Dec 30, returning Sun, Jan 19.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Mon, Dec 30, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Sun, Jan 19, arriving in London Heathrow.Price includes taxes and charges.From $756, select.

Sydney.$764 per passenger.Departing Tue, Mar 18, returning Tue, Apr 29.Round-trip flight with Air China.Outbound indirect flight with Air China, departing from London Heathrow on Tue, Mar 18, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Tue, Apr 29, arriving in London Heathrow.Price includes taxes and charges.From $764, 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 March.

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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 found	$722
Cheapest month to fly	March

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

How much are round-trip flights from London Heathrow to Sydney?

The best price we found for a round-trip flight from London Heathrow to Sydney is $723. 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 London Heathrow to Sydney?

Currently, there are no airlines that fly direct from London Heathrow to Sydney. But we found flights with one or more stops from $723.

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

There are no flights flying from London Heathrow to Sydney, as of October 2024.

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

The cheapest month to fly from London Heathrow to Sydney is usually October 2024.

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

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 Saturday, March 1, 2025.

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

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

How can I find the best flight deal to Sydney?

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.

When is the best time to book flights to Sydney?

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.

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

Currently, Air China offers the cheapest flight tickets to Sydney.

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

Be prepared for longer queues during popular months like July and other peak seasons. Arriving up to fours hours ahead of international flights and two hours for domestic departures is a smart move.
We make it a piece of cake to book a flight with a stopover. To look at the options for flights from London Heathrow Airport to Sydney (Kingsford Smith) Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Some popular stopovers between LHR and SYD are:
- Dubai Airport
- Perth Airport
- Changi International Airport
Don't forget, you may need a visa to enter Australia. Visa regulations can vary and travel documentation requirements change frequently. Before reserving your cheap ticket from LHR to SYD, check with your airline and your destination country's local consulate or embassy for the most up-to-date information.

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

The best price we've seen for a one-way ticket from London Heathrow Airport to Sydney (Kingsford Smith) Airport is $505. The cheapest price for a return flight is $722. Keep in mind that fares can change due to demand when booking.
Don't wait until the last moment. You're more likely to find cheap tickets from LHR to SYD if you book ahead. Airlines often have some great early bird discounts.
Getting cheap tickets from London Heathrow Airport to Sydney (Kingsford Smith) Airport is more likely if you can be flexible with your dates. Use the 'Whole month' function to see the lowest fares throughout the month and bag a great deal.
Log into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a better deal on this route. It's easy to do, and it'll save you from looking for cheap tickets from LHR to SYD every day.
Tailor your trip with filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from London Heathrow Airport to Sydney (Kingsford Smith) Airport.

Handy information about London Heathrow Airport (LHR)

Located around 31 kilometers from central London, London Heathrow Airport can be reached in about 57 minutes by car, depending on traffic. The same journey by public transport is roughly 1 hour and 1 minute.
After a convenient hotel close to LHR? If you're boarding an early flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport, these stays will have you sleeping moments from check-in:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Reserve a hotel close to SYD if you're catching a late flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport. Choose one of these options and skip the long transfer:

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

Sydney (Kingsford Smith) Airport is approximately 18 kilometers from the center of Sydney. With a cab or in your own car rental, the drive is about 21 minutes.
When traveling by public transport, expect a journey time of about 27 minutes.

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

The quietest month for a flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport is April, while July is the busiest. Choose the best time to go to Sydney based on whether you prefer a bustling atmosphere or a more laid-back vibe.
When booking your flight from London Heathrow Airport to Sydney (Kingsford Smith) Airport, think about the kind of weather you enjoy. January is the warmest month in Sydney, with the temperature ranging from 17ºC to 32ºC.
July sees average temperatures of between 5ºC and 19ºC. Look for cheap tickets from LHR to SYD around that time if you want to travel when it's cooler.

More about Sydney

If you're looking for somewhere to lay your head, you'll find the best places to stay in Sydney right here. Explore these options once you've booked your flight from LHR to SYD:
Every great journey has to include a little sightseeing. Winston Hills Lions Park, Rumsey Rose Garden and Westmead Hospital: Emergency Room are among the things you can't miss in Sydney.

Complete your Sydney trip with hotels and a car rental

After you've secured your cheap ticket to Sydney (Kingsford Smith) Airport, explore the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to get the best car rental price for your Sydney getaway.