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Cheap flights from London to Sydney from $458

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 5/15. 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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0 bags

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Find the cheapest flights from London to Sydney

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from London to Sydney.
China Eastern Logo
11:35 am - 8:30 amLGW-SYD
35h 55m2 stops
China Eastern Logo
11:20 am - 4:00 pmSYD-LGW
37h 40m2 stops
$723China Eastern
Find Deal
Wed, May 14 - Sat, May 24
China Eastern Logo
9:20 pm - 8:30 amLHR-SYD
50h 10m2 stops
China Eastern Logo
11:20 am - 6:40 pmSYD-LHR
40h 20m3 stops
$755China Eastern
Find Deal
Sat, May 17 - Tue, May 27
China Southern Logo
10:10 pm - 8:25 amLHR-SYD
25h 15m1 stop
China Southern Logo
9:45 pm - 6:05 pmSYD-LHR
53h 20m2 stops
$841China Southern
Find Deal
Tue, May 13 - Tue, May 20
China Southern Logo
9:00 pm - 7:40 pmLHR-SYD
61h 40m2 stops
China Southern Logo
9:45 pm - 6:05 pmSYD-LHR
53h 20m2 stops
$848China Southern
Find Deal
Tue, May 13 - Tue, May 20
Singapore Airlines Logo
9:25 am - 7:15 pmLHR-SYD
24h 50m1 stop
Singapore Airlines Logo
7:55 am - 5:55 amSYD-LHR
31h 00m1 stop
$1,115Singapore Airlines
Find Deal
Mon, Aug 25 - Mon, Sep 8
Malaysia Airlines Logo
9:35 pm - 10:00 amLHR-SYD
27h 25m1 stop
Malaysia Airlines Logo
10:10 pm - 4:35 pmSYD-LHR
28h 25m1 stop
$1,197Malaysia Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 22
Malaysia Airlines Logo
9:35 pm - 10:00 amLHR-SYD
27h 25m1 stop
Malaysia Airlines Logo
1:05 pm - 4:35 pmSYD-LHR
36h 30m1 stop
$1,202Malaysia Airlines
Find Deal
Thu, Aug 21 - Tue, Sep 23
Singapore Airlines Logo
10:15 am - 4:45 pmLGW-SYD
21h 30m1 stop
Singapore Airlines Logo
6:05 pm - 6:25 amSYD-LGW
45h 20m1 stop
$1,372Singapore Airlines
Find Deal
Mon, Aug 25 - Mon, Sep 8
Emirates Logo
9:45 pm - 5:20 pmLGW-SYD
34h 35m1 stop
Emirates Logo
8:10 pm - 12:35 pmSYD-LGW
25h 25m1 stop
$1,394Emirates
Find Deal
Tue, Jun 24 - Wed, Aug 6
Emirates Logo
10:05 am - 5:20 pmLGW-SYD
22h 15m1 stop
Emirates Logo
6:00 am - 7:20 amSYD-LGW
34h 20m1 stop
$1,398Emirates
Find Deal
Mon, May 19 - Wed, Jun 18

Air China flights from London to Sydney

Our best Air China deals on London to Sydney flight tickets
Air China
May 15
LHR10:40 pmLondon Heathrow
31h 10m
1 stop
SYD2:50 pmSydney Kingsford Smith
May 22
SYD7:40 pmSydney Kingsford Smith
33h 50m
1 stop
LHR8:30 pmLondon Heathrow
Air China
May 15
LHR8:25 pmLondon Heathrow
33h 25m
1 stop
SYD2:50 pmSydney Kingsford Smith
May 22
SYD7:40 pmSydney Kingsford Smith
33h 50m
1 stop
LHR8:30 pmLondon Heathrow

Turkish Airlines flights from London to Sydney

Our best Turkish Airlines deals on London to Sydney flight tickets
Turkish Airlines
May 15
LGW5:30 amLondon Gatwick
28h 30m
2 stops
SYD7:00 pmSydney Kingsford Smith
May 22
SYD8:55 pmSydney Kingsford Smith
28h 20m
2 stops
LGW4:15 pmLondon Gatwick
Turkish Airlines
Sep 10
LGW5:30 amLondon Gatwick
28h 30m
2 stops
SYD7:00 pmSydney Kingsford Smith
Nov 18
SYD9:40 pmSydney Kingsford Smith
46h 40m
2 stops
LGW9:20 amLondon Gatwick
Turkish Airlines
Apr 30
LGW5:30 amLondon Gatwick
28h 30m
2 stops
SYD7:00 pmSydney Kingsford Smith
May 13
SYD8:55 pmSydney Kingsford Smith
28h 20m
2 stops
LGW4:15 pmLondon 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 $1,079. 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 $1,090.

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 $1,490.

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 $1,245. 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 evening, with an average ticket price of $1,817. Departure times in the evening 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?

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 $1,333 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 $1,071 on momondo.

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

There are 2 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.

How have London to Sydney flight prices changed over time?

As of April 2025, prices for London to Sydney flights are approximately 16% 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

$458

Fastest flight time

21h 30m

Direct flights

Wed, Thu and Sat

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is $458. The best round-trip flight deal from London to Sydney found on momondo in the last 72 hours is $723.
The fastest flight from London to Sydney takes 21h 30m
Direct flights go from London to Sydney on Wednesday, Thursday and Saturday. The only airline offering direct flights is Qantas 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
7.2
86 reviews
Search Air China flights
China SouthernPriceFrom $766Free CancellationRating
7.5
94 reviews
Search China Southern flights
Etihad AirwaysPriceFrom $1,029Free CancellationRating
7.4
1,194 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $1,107Free CancellationRating
7.5
849 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,121Free CancellationRating
8.0
3,200 reviews
Search Emirates flights
Singapore AirlinesPriceFrom $1,181Free CancellationRating
8.1
1,288 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom $1,188Free CancellationRating
7.3
253 reviews
Search Malaysia Airlines flights
Qantas AirwaysPriceFrom $1,197Free CancellationRating
7.5
819 reviews
Search Qantas Airways flights
British AirwaysPriceFrom $1,294Free CancellationRating
6.6
6,767 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 $1,438, with the best Qantas Airways deals starting from $1,197 round-trip. 819 users have rated Qantas Airways on momondo, with an average score of 7.5/10.

  • British Airways Flights From London to Sydney

    Across 6,771 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 $1,294 to $1,490. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Cronulla
Randwick
Wollongong
Katoomba
Manly
Lithgow
Penrith
Coogee
Charlestown
Swansea
Terrigal

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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