Cheap flights from London Heathrow Airport to Sydney from $599
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Sydney departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 12/30
9:00 pm-7:20 am
1 stop23h 20m
Sydney Kingsford Smith
Tue 2/23
9:30 pm-5:30 pm
1 stop31h 00m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 11/4
5:15 pm-7:30 am
2 stops51h 15m
Sydney Kingsford Smith
Sun 11/15
3:10 pm-6:35 pm
1 stop38h 25m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Sun 11/29
9:30 pm-6:35 am
2 stops46h 05m
Sydney Kingsford Smith
Thu 1/14
10:05 pm-6:35 pm
1 stop31h 30m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 10/26
5:45 pm-8:05 am
1 stop27h 20m
Sydney Kingsford Smith
Sun 11/1
10:30 am-3:55 pm
1 stop40h 25m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 11/4
5:45 pm-8:05 am
1 stop27h 20m
Sydney Kingsford Smith
Sun 11/8
10:30 am-5:50 pm
1 stop42h 20m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 12/7
8:25 pm-8:05 am
1 stop24h 40m
Sydney Kingsford Smith
Mon 3/1
10:10 am-3:55 pm
1 stop40h 45m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 2/17
10:00 pm-7:45 pm
1 stop34h 45m
Sydney Kingsford Smith
Fri 3/5
10:30 pm-8:30 pm
1 stop33h 00m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Tue 3/9
9:05 pm-8:10 am
1 stop24h 05m
Sydney Kingsford Smith
Tue 3/23
10:30 pm-8:30 pm
1 stop33h 00m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 2/8
8:55 pm-6:30 am
1 stop22h 35m
Sydney Kingsford Smith
Mon 3/1
4:50 pm-2:30 pm
1 stop32h 40m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 1/25
8:55 pm-5:45 pm
1 stop33h 50m
Sydney Kingsford Smith
Mon 2/15
4:50 pm-6:40 am
1 stop24h 50m
See travel insights to Sydney from
How to get the cheapest flight ticket from London Heathrow Airport to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London Heathrow Airport and Sydney?
Prices are currently low for flights on this route.
Typical prices usually range from $1,109 to $1,644.The lowest price recently found on this route was $967.
What is the cheapest month to fly to Sydney?
In general, May is the cheapest month to fly from London Heathrow Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,224. If you are unable to visit Sydney during the month of May, then departing from London Heathrow Airport during the month June is also very affordable. Most momondo users find prices during this month for around $1,274.
What is the cheapest London Heathrow to Sydney Kingsford Smith flight route?
Fly from London Heathrow to Sydney Kingsford Smith for the best London Heathrow - Sydney Kingsford Smith flight prices
How far in advance should I book a flight from London Heathrow Airport to Sydney?
You are more likely to see cheaper flights to Sydney from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,453 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Heathrow Airport for as low as $1,315 on momondo.
What cabin class options are available on London Heathrow Airport to Sydney flights?
There is only 1 cabin class available to choose from on London Heathrow Airport to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on London Heathrow Airport to Sydney flights?
You could potentially save up to 5% on your flight if you consider stops on a London Heathrow Airport to Sydney flight.
How have London Heathrow Airport to Sydney flight prices changed over time?
As of October 2026, prices for London Heathrow Airport to Sydney flights are approximately 8% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London Heathrow to Sydney Kingsford Smith?
Shenzhen Airlines is the most popular carrier operating from London Heathrow to Sydney Kingsford Smith
What airlines fly to Sydney?
Etihad Airways, Air China and Air India are the top three most popular airlines that fly to Sydney from London Heathrow Airport according to our data. Etihad Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between London Heathrow Airport and Sydney?
Doha (DOH) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from London Heathrow Airport to Sydney?
Flights via New Delhi (DEL) offer the lowest average round-trip price of $852.
Which layover airport has the shortest travel time from London Heathrow Airport to Sydney?
Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 45m.
Which layover airport has the shortest connection time from London Heathrow Airport to Sydney?
Singapore (SIN) has the shortest average layover time for this route: 0h 53m.
How many flights depart from London Heathrow Airport to Sydney on average per day?
As of October 2026, 2 flights take off from London Heathrow Airport and land in Sydney each day. The most common flight departure time for this route is 10:00PM, with 100% of daily flights taking off in the evening.
How many flights depart from London Heathrow Airport to Sydney on average per week?
16 flights are operational weekly from London Heathrow Airport to Sydney as of October 2026. The most popular departure day for this route is Wed, with 19% of flights per week taking off on this day.
When to book flights from London Heathrow Airport to Sydney
Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sydney
Frequently asked questions about flying from London Heathrow Airport to Sydney
How far is London Heathrow to Sydney Kingsford Smith by plane?
London Heathrow and Sydney Kingsford Smith are 10566.1 mi apart from one another. Flights usually cover this in 23h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
As of October 2026, there are 3 operators available to choose from for flights from London Heathrow Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Sydney?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Sydney is Airbus A380-800 (84.50% of total bookings). The next most popular plane models are Boeing 777 (10.47%), Boeing 787 Dreamliner (3.10%), and Airbus A380 (0.78%).
What is the most popular airline from London Heathrow Airport to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Sydney is Etihad Airways (46% of total bookings). The next most popular airlines are Air China (31%) and Air India (23%).
Best airlines flying from London Heathrow Airport to Sydney
Compare and see reviews for airlines that fly from London Heathrow Airport to Sydney with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $566 | Free Cancellation | Rating 7.5 166 reviews | |||
| PriceFrom $852 | Free Cancellation | Rating 5.5 2,917 reviews | |||
| PriceFrom $1,096 | Free Cancellation | Rating 7.3 1,541 reviews |
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Sydney?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from London.
Can I find flights from London to Sydney with flexible booking policies on momondo?
momondo does allow users to show only those flights to Sydney from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Sydney?
Once you have performed a search for London to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.