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Cheap flights from London to Sydney from €504

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 6/5. 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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Find the cheapest flights from London to Sydney

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Sydney.
21:20 - 09:00LHR-SYD
26h 40m1 stop
11:00 - 18:40SYD-LHR
40h 40m1 stop
€675China Eastern
Find Deal
Sun, 11 May - Mon, 26 May
21:20 - 09:00LHR-SYD
26h 40m1 stop
11:00 - 18:40SYD-LHR
40h 40m1 stop
€681China Eastern
Find Deal
Sun, 11 May - Mon, 26 May
19:15 - 08:25LHR-SYD
52h 10m2 stops
08:45 - 18:05SYD-LHR
42h 20m2 stops
€811China Southern
Find Deal
Sun, 11 May - Mon, 26 May
22:10 - 08:25LHR-SYD
25h 15m1 stop
08:45 - 18:05SYD-LHR
42h 20m2 stops
€880China Southern
Find Deal
Sun, 11 May - Mon, 26 May
22:40 - 14:50LHR-SYD
31h 10m1 stop
10:15 - 17:50SYD-LHR
40h 35m1 stop
€924
Find Deal
Sun, 11 May - Mon, 26 May
20:55 - 07:55LHR-SYD
26h 00m2 stops
21:30 - 07:00SYD-LHR
42h 30m1 stop
€947Etihad Airways
Find Deal
Sun, 11 May - Mon, 26 May
12:10 - 16:45LHR-SYD
43h 35m2 stops
12:00 - 16:25SYD-LHR
38h 25m2 stops
€965SWISS
Find Deal
Wed, 3 Sep - Wed, 8 Oct
21:45 - 18:00LHR-SYD
35h 15m1 stop
21:30 - 07:00SYD-LHR
42h 30m1 stop
€1,010Etihad Airways
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Tue, 13 May - Thu, 22 May
22:10 - 08:25LHR-SYD
25h 15m1 stop
19:40 - 20:30SYD-LHR
33h 50m1 stop
€1,056
Find Deal
Thu, 1 May - Sat, 31 May
17:10 - 10:25LHR-SYD
32h 15m2 stops
07:55 - 07:55SYD-LHR
33h 00m2 stops
€1,166SWISS
Find Deal
Sun, 11 May - Mon, 2 Jun

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets
China Eastern
11 May
LHR21:20London Heathrow
26h 40m
1 stop
SYD09:00Sydney Kingsford Smith
26 May
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
China Eastern
11 May
LHR21:20London Heathrow
26h 40m
1 stop
SYD09:00Sydney Kingsford Smith
26 May
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
China Eastern
28 Apr
LHR21:20London Heathrow
30h 15m
1 stop
SYD12:35Sydney Kingsford Smith
29 May
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
€1,154
Find similar

China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets
China Southern
11 May
LHR19:15London Heathrow
52h 10m
2 stops
SYD08:25Sydney Kingsford Smith
26 May
SYD08:45Sydney Kingsford Smith
42h 20m
2 stops
LHR18:05London Heathrow
China Southern
11 May
LHR22:10London Heathrow
25h 15m
1 stop
SYD08:25Sydney Kingsford Smith
26 May
SYD08:45Sydney Kingsford Smith
42h 20m
2 stops
LHR18:05London Heathrow

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 cheapest month to fly to Sydney?

The month of March is another great option to travel to Sydney, with average flight prices from London averaging around €1,011.

What is the cheapest day to depart on your flight to Sydney?

According to our data, Tuesday is the cheapest day to fly to Sydney from London. The lowest ticket price found for a Tuesday departure recently was €0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €1,323. These prices are subject to change though, so be sure to set up a Price Alert for flights to Sydney.

What is the cheapest time of day to depart on your flight to Sydney?

Flying to Sydney from London at midday is the least expensive time of day to depart. momondo users have found prices as low as €0 when looking at flights departing at midday. Try not to purchase tickets in the morning because they tend to be around €1,293. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from London when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around €1,239 when searching 24 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 €998 on momondo.

How have London to Sydney flight prices changed over time?

As of March 2025, prices for London to Sydney flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from London to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from London to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Best price found

€504

Fastest flight time

22h 50m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is €504. The best return flight deal from London to Sydney found on momondo in the last 72 hours is €675.
The fastest flight from London to Sydney takes 22h 50m
There are no direct flights from London to Sydney. Popular non-direct route for this connection is London Heathrow Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is London to Sydney Kingsford Smith by plane?

    There are 16983.0 km between London and Sydney Kingsford Smith. Typically, this will take 22h 50m by plane in normal conditions.

  • 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 are updated daily.

  • How old do you have to be to fly from London 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 stopovers 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 to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Sydney?


Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Coogee

Why use momondo?

Why should I use momondo to find a flight deal from London to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Sydney for you.

Can I find flights from London to Sydney with flexible booking policies on momondo?

All flight searches from London to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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