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Cheap flights from Sydney to London from £281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to London departing on 29/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

These are some of the best return flight deals from Sydney to London that have been recently found on momondo from popular airlines, departing in the coming months.
 Logo
12:50 - 16:00SYD-LGW
36h 10m2 stops
 Logo
07:10 - 19:30LGW-SYD
51h 20m2 stops
Tue, 10 Jun - Tue, 24 Jun
China Eastern Logo
11:00 - 15:10SYD-LGW
37h 10m1 stop
China Eastern Logo
11:35 - 09:00LGW-SYD
36h 25m1 stop
£608China Eastern
Find Deal
Thu, 22 May - Sun, 25 May
China Southern Logo
21:45 - 19:00SYD-LHR
30h 15m1 stop
China Southern Logo
22:10 - 08:25LHR-SYD
25h 15m1 stop
£627China Southern
Find Deal
Sun, 15 Jun - Thu, 19 Jun
China Southern Logo
21:45 - 19:00SYD-LHR
30h 15m1 stop
China Southern Logo
22:10 - 19:40LHR-SYD
36h 30m1 stop
£628China Southern
Find Deal
Tue, 20 May - Fri, 20 Jun
Malaysia Airlines Logo
22:10 - 16:35SYD-LHR
28h 25m1 stop
Malaysia Airlines Logo
10:25 - 20:35LHR-SYD
23h 10m1 stop
£724Malaysia Airlines
Find Deal
Mon, 6 Oct - Mon, 24 Nov
Malaysia Airlines Logo
13:05 - 16:35SYD-LHR
36h 30m1 stop
Malaysia Airlines Logo
21:35 - 10:00LHR-SYD
27h 25m1 stop
£727Malaysia Airlines
Find Deal
Sun, 11 May - Sat, 17 May
Cathay Pacific Logo
21:50 - 15:15SYD-LHR
26h 25m1 stop
Cathay Pacific Logo
18:20 - 08:40LHR-SYD
29h 20m1 stop
£739Cathay Pacific
Find Deal
Wed, 28 May - Fri, 6 Jun
Cathay Pacific Logo
21:50 - 20:35SYD-LHR
31h 45m1 stop
Cathay Pacific Logo
20:10 - 06:10LHR-SYD
25h 00m1 stop
£745Cathay Pacific
Find Deal
Wed, 21 May - Wed, 20 Aug
Emirates Logo
06:00 - 12:55SYD-STN
40h 55m1 stop
Emirates Logo
14:05 - 22:30STN-SYD
21h 25m1 stop
£781Emirates
Find Deal
Sun, 12 Oct - Sun, 16 Nov
Emirates Logo
06:00 - 07:20SYD-LGW
35h 20m1 stop
Emirates Logo
09:40 - 18:35LGW-SYD
21h 55m1 stop
£786Emirates
Find Deal
Sun, 12 Oct - Sun, 2 Nov

China Southern flights from Sydney to London

Our best China Southern deals on Sydney to London flight tickets
China Southern
15 Jun
SYD21:45Sydney Kingsford Smith
30h 15m
1 stop
LHR19:00London Heathrow
19 Jun
LHR22:10London Heathrow
25h 15m
1 stop
SYD08:25Sydney Kingsford Smith
China Southern
20 May
SYD21:45Sydney Kingsford Smith
30h 15m
1 stop
LHR19:00London Heathrow
20 Jun
LHR22:10London Heathrow
36h 30m
1 stop
SYD19:40Sydney Kingsford Smith
China Southern
20 May
SYD10:15Sydney Kingsford Smith
41h 45m
1 stop
LHR19:00London Heathrow
25 Jun
LHR22:10London Heathrow
25h 15m
1 stop
SYD08:25Sydney Kingsford Smith

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
10 May
SYD21:30Sydney Kingsford Smith
30h 15m
1 stop
LHR18:45London Heathrow
21 May
LHR21:45London Heathrow
23h 25m
1 stop
SYD06:10Sydney Kingsford Smith
Etihad Airways
10 May
SYD21:30Sydney Kingsford Smith
30h 15m
1 stop
LHR18:45London Heathrow
24 May
LHR21:45London Heathrow
34h 10m
1 stop
SYD16:55Sydney Kingsford Smith
Etihad Airways
19 May
SYD21:30Sydney Kingsford Smith
42h 30m
1 stop
LHR07:00London Heathrow
31 May
LHR20:55London Heathrow
35h 00m
1 stop
SYD16:55Sydney Kingsford Smith

See travel insights to London from

How to get the cheapest flight ticket from Sydney to London

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 Sydney and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Sydney is in October. Flight prices, which tend to average around £781, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Sydney averaging around £788.

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

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,059. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London for around £1,245.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £885. Flights in the afternoon are often more expensive, with an average ticket price of £1,272.

What is the cheapest Sydney Kingsford Smith to London flight route?

Fly from Sydney Kingsford Smith to London Heathrow for the best Sydney Kingsford Smith - London flight prices

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

You are more likely to see cheaper flights to London from Sydney when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to London for around £973 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sydney for as low as £929 on momondo.

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

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sydney to London flight prices changed over time?

As of May 2025, prices for Sydney to London flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to London

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

Cheap Sydney to London (SYD to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to London

Best price found

£281

Fastest flight time

23h 45m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Sydney in the past 72 hours is £281. The best return flight deal from Sydney to London found on momondo in the last 72 hours is £602.
The fastest flight from Sydney to London takes 23h 45m
Direct flights go from Sydney to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

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

    Sydney Kingsford Smith and London are 10552.8 mi apart from one another. Flights usually cover this in 23h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to London?

    Prices for flights from Sydney Kingsford Smith Airport to London were last updated today.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


Best airlines flying from Sydney to London

Compare and see reviews for airlines that fly from Sydney to London with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £601Free CancellationRating
7.5
96 reviews
Search China Southern flights
Air ChinaPriceFrom £620Free CancellationRating
7.2
88 reviews
Search Air China flights
China AirlinesPriceFrom £677Free CancellationRating
8.3
732 reviews
Search China Airlines flights
China EasternPriceFrom £685Free CancellationRating
7.1
148 reviews
Search China Eastern flights
Air IndiaPriceFrom £710Free CancellationRating
5.5
2,899 reviews
Search Air India flights
Etihad AirwaysPriceFrom £725Free CancellationRating
7.4
1,203 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £734Free CancellationRating
7.3
3,791 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £745Free CancellationRating
7.5
855 reviews
Search Cathay Pacific flights
Singapore AirlinesPriceFrom £767Free CancellationRating
8.1
1,292 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £817Free CancellationRating
7.3
254 reviews
Search Malaysia Airlines flights
  • Qantas Airways Flights From Sydney to London

    Qantas Airways flight deals from Sydney to London start from £1,263 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,868 round-trip - but some users have found much cheaper deals with momondo.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Maidstone
Gatwick
Ipswich
Canterbury
Margate
Ilford
Dartford
Hounslow
Colchester
Guildford
Worthing
Winchester
Crawley
Chichester
Croydon

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Sydney.

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

Flights from Sydney to London 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 Sydney to London?

momondo helps you find the best flight between Sydney and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Sydney to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Tue 6/5
Tue 13/5

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London