Cheap flights from London to Sydney from $590
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 to Sydney departing on 11/1. 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 11/4
5:15 pm-9:25 am
2 stops29h 10m
Sydney Kingsford Smith
Wed 11/18
3:10 pm-5:55 pm
2 stops37h 45m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Sat 10/31
10:00 pm-8:25 pm
1 stop35h 25m
Sydney Kingsford Smith
Sat 11/7
3:10 pm-6:35 pm
1 stop38h 25m
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
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
LGW London Gatwick - SYD Sydney Kingsford Smith
LGWSYD
London Gatwick
Wed 10/28
11:35 am-8:05 am
1 stop33h 30m
Sydney Kingsford Smith
Tue 11/10
10:30 am-6:20 am
1 stop30h 50m
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Sun 11/1
8:45 am-7:45 pm
1 stop24h 00m
Sydney Kingsford Smith
Mon 11/30
10:30 pm-11:30 am
1 stop48h 00m
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
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 2/8
1:55 pm-5:45 pm
1 stop40h 50m
Sydney Kingsford Smith
Sat 3/13
9:30 pm-2:30 pm
1 stop28h 00m
See travel insights to Sydney from
How to get the cheapest flight ticket from London 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 and Sydney?
Prices are currently low for flights on this route.
Typical prices usually range from $1,037 to $1,641.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 to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,180. If you are unable to visit Sydney during the month of May, then departing from London during the month June is also very affordable. Most momondo users find prices during this month for around $1,240.
What is the cheapest London to Sydney Kingsford Smith flight route?
Fly from London Heathrow to Sydney Kingsford Smith for the best London - Sydney Kingsford Smith flight prices
How far in advance should I book a flight from London to Sydney?
You are more likely to see cheaper flights to Sydney from London 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 for as low as $1,315 on momondo.
What cabin class options are available on London to Sydney flights?
There is only 1 cabin class available to choose from on London 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 to Sydney flights?
You could potentially save up to 6% on your flight if you consider stops on a London to Sydney flight.
How have London to Sydney flight prices changed over time?
As of October 2026, prices for London to Sydney flights are approximately 11% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London to Sydney Kingsford Smith?
XiamenAir, China Southern, and China Eastern are the most popular carriers operating from London 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 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 and Sydney?
Abu Dhabi (AUH) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from London 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 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 to Sydney?
Singapore (SIN) has the shortest average layover time for this route: 0h 53m.
How many flights depart from London to Sydney on average per day?
The number of flights available between London and Sydney is 2 per day as of October 2026. The most frequent departure time is 10:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from London to Sydney on average per week?
As of October 2026, 19 flights take off from London and land in Sydney each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.
When to book flights from London to Sydney
Cheap London to Sydney (LON to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Sydney
Frequently asked questions about flying from London to Sydney
How far is London to Sydney Kingsford Smith by plane?
The straight-line distance from London to Sydney Kingsford Smith is 10552.8 mi. 23h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from London to Sydney Kingsford Smith Airport?
Prices for flights from London to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from London to Sydney Kingsford Smith Airport?
There are 3 operators available for flights from London to Sydney Kingsford Smith Airport as of October 2026.
How old do you have to be to fly from London to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Sydney?
Based on momondo bookings for flights between London and Sydney, the leading plane model is Airbus A380-800, making up 84.50% of the total bookings. Other popular models include Boeing 777 with 10.47%, Boeing 787 Dreamliner with 3.10%, and Airbus A380 with 0.78%.
What is the most popular airline from London to Sydney?
momondo data reveals that the most frequently booked airline on the route from London to Sydney is Etihad Airways, representing 30% of all bookings. The subsequent popular airlines are China Southern at 19%, Singapore Airlines at 18%, and China Eastern at 11%.
Best airlines flying from London to Sydney
Compare and see reviews for airlines that fly from London 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 1,539 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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Sydney. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Sydney with flexible booking policies on momondo?
Flights from London to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
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.