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Cheap flights from London to Sydney from $494

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 3/8. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
10:00 pm - 9:25 amLHR-SYD
24h 25m1 stop
10:45 pm - 6:05 pmSYD-LHR
29h 20m2 stops
$720China Southern
Find Deal
Sun, Mar 16 - Mon, Mar 31
10:00 pm - 9:25 amLHR-SYD
24h 25m1 stop
10:10 pm - 6:15 pmSYD-LHR
31h 05m1 stop
$726China Southern
Find Deal
Mon, Mar 10 - Mon, Mar 24
5:00 pm - 1:35 pmLGW-SYD
33h 35m1 stop
12:00 pm - 6:30 amSYD-LGW
29h 30m1 stop
$749China Eastern
Find Deal
Sun, Mar 23 - Wed, Mar 26
9:00 pm - 1:35 pmLHR-SYD
29h 35m1 stop
9:30 pm - 1:55 pmSYD-LHR
27h 25m1 stop
$790China Eastern
Find Deal
Sun, Mar 23 - Wed, Mar 26
10:15 am - 7:15 pmLGW-SYD
24h 00m1 stop
6:05 pm - 6:25 amSYD-LGW
45h 20m1 stop
$1,184Singapore Airlines
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Mon, May 5 - Mon, May 26
10:25 am - 8:35 pmLHR-SYD
23h 10m1 stop
10:10 pm - 4:35 pmSYD-LHR
27h 25m1 stop
$1,194Malaysia Airlines
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Sun, Feb 23 - Wed, May 7
10:25 am - 8:35 pmLHR-SYD
23h 10m1 stop
10:15 pm - 3:25 pmSYD-LHR
28h 10m1 stop
$1,197Malaysia Airlines
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Thu, Feb 27 - Sat, Mar 15
9:20 am - 9:20 pmLGW-SYD
25h 00m1 stop
11:00 am - 6:25 amSYD-LGW
28h 25m1 stop
$1,277Singapore Airlines
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Tue, Mar 18 - Mon, Apr 7
8:40 am - 6:50 pmLGW-SYD
23h 10m1 stop
9:40 pm - 12:35 pmSYD-LGW
25h 55m1 stop
$1,437British Airways
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Wed, Mar 5 - Thu, Mar 27
8:40 am - 6:50 pmLGW-SYD
23h 10m1 stop
9:40 pm - 12:35 pmSYD-LGW
25h 55m1 stop
$1,461British Airways
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Tue, Feb 25 - Sat, Mar 15
5:00 pm - 9:25 amLGW-SYD
53h 25m2 stops
$494China Eastern
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Sat, Mar 8
8:25 pm - 3:30 pmLHR-SYD
32h 05m1 stop
$509Air China
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Sat, Mar 8
10:15 am - 7:15 pmLGW-SYD
24h 00m1 stop
$655Singapore Airlines
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Fri, May 9
10:10 pm - 8:25 amLHR-SYD
25h 15m1 stop
$734China Southern
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Wed, Apr 9
10:00 pm - 8:20 pmLHR-SYD
35h 20m1 stop
$1,103China Southern
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Sun, Jan 12
9:20 am - 5:55 pmLGW-SYD
45h 35m1 stop
$1,111Singapore Airlines
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Sat, Feb 8
8:40 am - 6:50 pmLGW-SYD
23h 10m1 stop
$1,139British Airways
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Tue, Feb 4
8:45 am - 6:50 pmLGW-SYD
23h 05m1 stop
$1,886British Airways
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Sun, Jan 12
9:25 pm - 10:20 amLHR-SYD
25h 55m1 stop
$3,786Malaysia Airlines
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Sun, Feb 2
10:25 am - 8:35 pmLHR-SYD
23h 10m1 stop
$5,781Malaysia Airlines
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Tue, Feb 18
9:40 pm - 8:35 pmLGW-SYD
35h 55m3 stops
6:00 pm - 8:45 pmSYD-LGW
37h 45m3 stops
$1,882
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Sun, Dec 22 - Sat, Jan 11
3:10 pm - 10:15 amLGW-SYD
32h 05m2 stops
5:30 pm - 8:45 pmSYD-LGW
38h 15m3 stops
$1,996
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Fri, Dec 20 - Sat, Jan 11
5:15 pm - 8:20 pmLHR-SYD
40h 05m2 stops
10:10 pm - 7:40 amSYD-LHR
44h 30m2 stops
$2,499China Southern
Find Deal
Sun, Dec 22 - Sun, Jan 12
10:25 am - 8:35 pmLHR-SYD
23h 10m1 stop
10:15 pm - 3:25 pmSYD-LHR
28h 10m1 stop
$2,735Malaysia Airlines
Find Deal
Fri, Dec 20 - Sat, Jan 11
10:25 am - 8:35 pmLHR-SYD
23h 10m1 stop
10:15 pm - 3:25 pmSYD-LHR
28h 10m1 stop
$2,737Malaysia Airlines
Find Deal
Fri, Dec 20 - Sat, Jan 11
10:55 am - 8:20 pmLGW-SYD
22h 25m1 stop
10:10 pm - 7:00 amSYD-LGW
43h 50m1 stop
$3,500China Southern
Find Deal
Fri, Dec 20 - Sat, Jan 11
9:25 am - 5:55 pmLGW-SYD
21h 30m1 stop
4:10 pm - 6:20 amSYD-LGW
25h 10m1 stop
$3,559Singapore Airlines
Find Deal
Fri, Dec 20 - Mon, Dec 30
9:00 am - 6:50 pmLGW-SYD
22h 50m1 stop
9:40 pm - 6:05 amSYD-LGW
43h 25m1 stop
$3,813British Airways
Find Deal
Fri, Dec 20 - Sun, Jan 12
8:35 pm - 11:50 amLHR-SYD
28h 15m1 stop
6:45 am - 7:10 pmSYD-LHR
23h 25m1 stop
$3,838Singapore Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 3
8:45 am - 6:50 pmLGW-SYD
23h 05m1 stop
9:40 pm - 12:35 pmSYD-LGW
25h 55m1 stop
$5,834British Airways
Find Deal
Sun, Dec 22 - Thu, Jan 9

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets
China Eastern
Mar 23
LGW5:00 pmLondon Gatwick
33h 35m
1 stop
SYD1:35 pmSydney Kingsford Smith
Mar 26
SYD12:00 pmSydney Kingsford Smith
29h 30m
1 stop
LGW6:30 amLondon Gatwick
China Eastern
Mar 23
LHR9:00 pmLondon Heathrow
29h 35m
1 stop
SYD1:35 pmSydney Kingsford Smith
Mar 26
SYD9:30 pmSydney Kingsford Smith
27h 25m
1 stop
LHR1:55 pmLondon Heathrow
China Eastern
Mar 16
LGW10:30 amLondon Gatwick
40h 05m
1 stop
SYD1:35 pmSydney Kingsford Smith
Mar 30
SYD9:30 pmSydney Kingsford Smith
43h 10m
1 stop
LGW6:40 amLondon Gatwick

Air China flights from London to Sydney

Our best Air China deals on London to Sydney flight tickets
Air China
Mar 22
LHR8:25 pmLondon Heathrow
32h 05m
1 stop
SYD3:30 pmSydney Kingsford Smith
May 6
SYD7:40 pmSydney Kingsford Smith
31h 05m
1 stop
LHR5:45 pmLondon Heathrow
Air China
Mar 2
LHR8:25 pmLondon Heathrow
32h 05m
1 stop
SYD3:30 pmSydney Kingsford Smith
Mar 15
SYD8:40 pmSydney Kingsford Smith
30h 15m
1 stop
LHR3:55 pmLondon 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 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 $962. If you are unable to visit Sydney during the month of May, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around $1,128.

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

The cheapest day to depart from London to Sydney is on a Sunday when prices can be found for as low as $1,197. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,421.

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 evening. momondo users have found flights departing from London to Sydney in the evening for as low as $1,197. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,443. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,341. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London for as low as $1,148 on momondo.

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

There are 1 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 2% 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 round-trip 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

$494

Fastest flight time

21h 30m

Direct flights

Sat

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is $494. The best round-trip flight deal from London to Sydney found on momondo in the last 72 hours is $720.
The fastest flight from London to Sydney takes 21h 30m
Direct flights go from London to Sydney on Saturday. The only airline offering direct flights is British Airways.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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

    The straight-line distance from London to Sydney Kingsford Smith is 10552.8 mi. 21h 30m 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?

  • 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?

  • 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
Air ChinaPriceFrom $747Free CancellationRating
7.0
122 reviews
Search Air China flights
China EasternPriceFrom $762Free CancellationRating
7.0
155 reviews
Search China Eastern flights
China SouthernPriceFrom $766Free CancellationRating
7.4
92 reviews
Search China Southern flights
Air IndiaPriceFrom $1,001Free CancellationRating
5.5
2,926 reviews
Search Air India flights
Etihad AirwaysPriceFrom $1,029Free CancellationRating
7.3
1,206 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,065Free CancellationRating
8.1
1,331 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,107Free CancellationRating
7.6
839 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom $1,128Free CancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Qantas AirwaysPriceFrom $1,197Free CancellationRating
7.5
809 reviews
Search Qantas Airways flights
British AirwaysPriceFrom $1,253Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
  • Qantas Airways Flights From London to Sydney

    Across 7 Qantas Airways flights from London to Sydney this week, the average price was $1,589, with the best Qantas Airways deals starting from $1,197 round-trip. 809 users have rated Qantas Airways on momondo, with an average score of 7.5/10.

  • British Airways Flights From London to Sydney

    Across 6,817 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London to Sydney about 7 times each week, with ticket deals ranging from $1,253 to $1,525. Price data is based on momondo searches in the last 72 hours.


Why 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.


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