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Cheap flights from London to Sydney from £343

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 15/3. 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

These are some of the best return flight deals from London to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Sydney.

Cheap last-minute flights

Planning a quick getaway from London to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Sydney

Find recent round-trip train or bus tickets from London to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
22:00 - 20:20LHR-SYD
35h 20m1 stop
22:10 - 18:15SYD-LHR
31h 05m1 stop
£528China Southern
Find Deal
Mon, 3 Mar - Mon, 24 Mar
20:25 - 20:20LGW-SYD
36h 55m2 stops
22:45 - 07:10SYD-LGW
42h 25m1 stop
£539China Southern
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Sat, 15 Mar - Sun, 30 Mar
10:30 - 13:35LGW-SYD
40h 05m1 stop
12:00 - 06:30SYD-LGW
29h 30m1 stop
£579China Eastern
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Thu, 13 Mar - Wed, 26 Mar
17:00 - 09:25LGW-SYD
53h 25m2 stops
21:30 - 14:00SYD-LGW
27h 30m1 stop
£580China Eastern
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Sat, 1 Mar - Fri, 14 Mar
17:40 - 15:30LHR-SYD
34h 50m1 stop
20:40 - 17:50SYD-LHR
32h 10m1 stop
£581Air China
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Sun, 2 Mar - Mon, 17 Mar
17:40 - 15:30LHR-SYD
34h 50m1 stop
20:40 - 15:55SYD-LHR
30h 15m1 stop
£594Air China
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Fri, 21 Feb - Fri, 28 Feb
14:05 - 22:30STN-SYD
21h 25m1 stop
21:10 - 12:05SYD-STN
25h 55m1 stop
£938Emirates
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Sun, 2 Mar - Mon, 17 Mar
18:15 - 07:15LCY-SYD
26h 00m2 stops
15:15 - 16:40SYD-LCY
36h 25m2 stops
£939Lufthansa
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Mon, 24 Feb - Mon, 17 Mar
18:15 - 07:15LCY-SYD
26h 00m2 stops
14:05 - 08:40SYD-LCY
27h 35m2 stops
£941Lufthansa
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Tue, 25 Feb - Thu, 8 May
14:55 - 22:05STN-SYD
22h 10m1 stop
20:10 - 12:55SYD-STN
25h 45m1 stop
£942Emirates
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Tue, 13 May - Sun, 25 May
19:25 - 14:55STN-SYD
56h 30m3 stops
Sat, 15 Mar
08:25 - 10:45STN-SYD
39h 20m3 stops
Wed, 12 Mar
10:30 - 13:35LGW-SYD
40h 05m1 stop
£372China Eastern
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Wed, 12 Mar
10:30 - 13:35LGW-SYD
40h 05m1 stop
£377China Eastern
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Wed, 26 Mar
17:40 - 15:30LHR-SYD
34h 50m1 stop
£386Air China
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Tue, 25 Mar
20:25 - 15:30LHR-SYD
32h 05m1 stop
£387Air China
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Wed, 5 Mar
11:50 - 19:40LGW-SYD
22h 50m1 stop
£514China Southern
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Tue, 13 May
12:00 - 19:40LGW-SYD
22h 40m1 stop
£532China Southern
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Sat, 12 Apr
14:05 - 22:30STN-SYD
21h 25m1 stop
£828Emirates
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Wed, 12 Mar
20:15 - 07:00STN-SYD
23h 45m1 stop
£835Emirates
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Wed, 5 Mar
11:40 - 06:30LHR-SYD
55h 50m2 stops
22:10 - 18:15SYD-LHR
31h 05m1 stop
£1,127
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Mon, 23 Dec - Mon, 24 Feb
11:40 - 06:30LHR-SYD
55h 50m2 stops
22:10 - 18:15SYD-LHR
31h 05m1 stop
£1,128
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Mon, 23 Dec - Wed, 26 Feb
10:30 - 06:30LGW-SYD
33h 00m1 stop
12:00 - 06:30SYD-LGW
29h 30m1 stop
£1,501China Eastern
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Mon, 23 Dec - Wed, 19 Mar
21:00 - 10:00LHR-SYD
26h 00m1 stop
21:30 - 17:30SYD-LHR
31h 00m1 stop
£1,507China Eastern
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Sun, 22 Dec - Sun, 23 Feb
21:30 - 09:25LHR-SYD
48h 55m2 stops
21:00 - 17:55SYD-LHR
31h 55m1 stop
£1,509China Southern
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Mon, 23 Dec - Mon, 30 Dec
08:05 - 18:50LHR-SYD
23h 45m1 stop
16:20 - 05:25SYD-LHR
24h 05mdirect
£1,656British Airways
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Sun, 22 Dec - Sat, 15 Feb
08:05 - 18:50LHR-SYD
23h 45m1 stop
16:20 - 05:25SYD-LHR
24h 05mdirect
£1,717British Airways
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Mon, 23 Dec - Wed, 19 Mar
17:15 - 20:20LHR-SYD
40h 05m2 stops
21:00 - 17:55SYD-LHR
31h 55m1 stop
£1,754China Southern
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Sun, 22 Dec - Sun, 19 Jan
09:25 - 17:55LGW-SYD
21h 30m1 stop
16:10 - 06:20SYD-LGW
25h 10m1 stop
£1,991Singapore Airlines
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Mon, 23 Dec - Sat, 22 Mar
09:25 - 21:20LGW-SYD
24h 55m1 stop
16:10 - 06:20SYD-LGW
25h 10m1 stop
£2,237Singapore Airlines
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Fri, 20 Dec - Sat, 22 Mar
20:10 - 06:30LHR-SYD
23h 20mdirect
15:55 - 06:15SYD-LHR
25h 20mdirect
£1,000Qantas Airways
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Wed, 19 Feb - Wed, 26 Feb
20:55 - 05:10LHR-SYD
23h 15mdirect
15:10 - 06:35SYD-LHR
24h 25mdirect
£1,002Qantas Airways
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Thu, 1 May - Wed, 14 May
21:10 - 06:55LHR-SYD
22h 45mdirect
16:20 - 05:25SYD-LHR
24h 05mdirect
£1,007British Airways
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Sat, 1 Mar - Fri, 14 Mar
21:10 - 06:55LHR-SYD
22h 45mdirect
16:20 - 05:25SYD-LHR
24h 05mdirect
£1,008British Airways
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Fri, 21 Feb - Thu, 20 Mar
21:10 - 06:55LHR-SYD
22h 45mdirect
16:20 - 05:25SYD-LHR
24h 05mdirect
£1,009British Airways
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Tue, 18 Mar - Tue, 25 Mar
20:10 - 06:30LHR-SYD
23h 20mdirect
15:55 - 06:15SYD-LHR
25h 20mdirect
£1,020Qantas Airways
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Sun, 23 Feb - Sat, 22 Mar
20:55 - 05:10LHR-SYD
23h 15mdirect
15:10 - 06:35SYD-LHR
24h 25mdirect
£1,022Qantas Airways
Find Deal
Sat, 10 May - Wed, 21 May
20:10 - 06:30LHR-SYD
23h 20mdirect
15:10 - 06:35SYD-LHR
24h 25mdirect
£1,029Qantas Airways
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Thu, 20 Mar - Thu, 8 May
21:10 - 06:55LHR-SYD
22h 45mdirect
14:40 - 05:25SYD-LHR
23h 45mdirect
£1,038British Airways
Find Deal
Thu, 13 Mar - Thu, 1 May
20:55 - 05:10LHR-SYD
23h 15mdirect
15:10 - 06:35SYD-LHR
24h 25mdirect
£1,042Qantas Airways
Find Deal
Fri, 9 May - Sat, 24 May

China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets
China Southern
3 Mar
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith
24 Mar
SYD22:10Sydney Kingsford Smith
31h 05m
1 stop
LHR18:15London Heathrow
China Southern
15 Mar
LGW20:25London Gatwick
36h 55m
2 stops
SYD20:20Sydney Kingsford Smith
30 Mar
SYD22:45Sydney Kingsford Smith
42h 25m
1 stop
LGW07:10London Gatwick
China Southern
1 Mar
LGW20:25London Gatwick
36h 55m
2 stops
SYD20:20Sydney Kingsford Smith
14 Mar
SYD22:10Sydney Kingsford Smith
30h 10m
2 stops
LGW17:20London Gatwick

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets
China Eastern
13 Mar
LGW10:30London Gatwick
40h 05m
1 stop
SYD13:35Sydney Kingsford Smith
26 Mar
SYD12:00Sydney Kingsford Smith
29h 30m
1 stop
LGW06:30London Gatwick
China Eastern
1 Mar
LGW17:00London Gatwick
53h 25m
2 stops
SYD09:25Sydney Kingsford Smith
14 Mar
SYD21:30Sydney Kingsford Smith
27h 30m
1 stop
LGW14:00London Gatwick
China Eastern
11 Mar
LGW10:30London Gatwick
37h 30m
3 stops
SYD11:00Sydney Kingsford Smith
18 Mar
SYD12:00Sydney Kingsford Smith
29h 30m
1 stop
LGW06:30London Gatwick

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?

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 £758. If you don’t want to visit Sydney in May, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of £888.

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

The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £957. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,067.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from London to Sydney in the afternoon for as low as £963. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £1,080 per ticket.

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 to Sydney?

The ideal time to book your flight to Sydney is 20 days in advance, when prices tend to average £1,056. Keep in mind that you might also find cheap flights to Sydney outside of this time window. In fact, momondo users recently found flights from London to Sydney for £712.

What cabin class options are available on London to Sydney Kingsford Smith flights?

There are 4 cabin classes available to choose from on London to Sydney Kingsford Smith 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 57% 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 December 2024, prices for London to Sydney flights are approximately 17% 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

£343

Fastest flight time

21h 25m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is £343. The best return flight deal from London to Sydney found on momondo in the last 72 hours is £528.
The fastest flight from London to Sydney takes 21h 25m
Direct flights go from London to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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

    Sydney Kingsford Smith is 10552.8 mi away from London. Flights usually cover this in 21h 25m, depending on flying conditions and air traffic around both airports.

  • 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?

  • 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 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 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 to Sydney?

  • What is the most popular airline from London to Sydney?


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
Hainan AirlinesPriceFrom £372Free CancellationRating
7.6
38 reviews
Search Hainan Airlines flights
SWISSPriceFrom £658Free CancellationRating
7.6
1,606 reviews
Search SWISS flights
LufthansaPriceFrom £749Free CancellationRating
6.8
7,091 reviews
Search Lufthansa flights
China AirlinesPriceFrom £754Free CancellationRating
8.2
754 reviews
Search China Airlines flights
Austrian AirlinesPriceFrom £792Free CancellationRating
7.6
787 reviews
Search Austrian Airlines flights
Vietnam AirlinesPriceFrom £823Free CancellationRating
7.6
224 reviews
Search Vietnam Airlines flights
Qatar AirwaysPriceFrom £852Free CancellationRating
7.5
3,798 reviews
Search Qatar Airways flights
Air FrancePriceFrom £880Free CancellationRating
7.4
1,504 reviews
Search Air France flights
Turkish AirlinesPriceFrom £914Free CancellationRating
7.3
3,907 reviews
Search Turkish Airlines flights
Virgin AtlanticPriceFrom £970Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Sydney flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from London.

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

Of course. momondo tracks the price of London to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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