Cheap flights from Sydney to London from £230

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 1/2. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Sydney to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:00 - 17:35
SYD
-
LHR
31h 35m
2 stops
Multiple Airlines Logo
21:30 - 20:20
LHR
-
SYD
35h 50m
2 stops
£647Multiple Airlines
Thu, 26 Feb - Wed, 11 Mar
China Eastern Logo
11:00 - 15:00
SYD
-
LGW
37h 00m
1 stop
China Eastern Logo
18:00 - 09:00
LGW
-
SYD
30h 00m
1 stop
£647China Eastern
Tue, 26 May - Tue, 23 Jun
China Eastern Logo
10:05 - 18:40
SYD
-
LHR
65h 35m
3 stops
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
3 stops
£648China Eastern
Tue, 26 May - Tue, 23 Jun
Multiple Airlines Logo
21:00 - 17:35
SYD
-
LHR
31h 35m
2 stops
Multiple Airlines Logo
22:00 - 20:20
LHR
-
SYD
35h 20m
1 stop
£649Multiple Airlines
Thu, 26 Feb - Tue, 10 Mar
China Eastern Logo
11:00 - 06:40
SYD
-
LGW
28h 40m
1 stop
China Eastern Logo
11:35 - 09:00
LGW
-
SYD
36h 25m
1 stop
£649China Eastern
Fri, 8 May - Sun, 24 May
Multiple Airlines Logo
14:00 - 17:50
SYD
-
LHR
38h 50m
1 stop
Multiple Airlines Logo
21:00 - 14:50
LHR
-
SYD
30h 50m
1 stop
£649Multiple Airlines
Sat, 14 Feb - Sat, 28 Feb
China Eastern Logo
11:00 - 15:10
SYD
-
LGW
37h 10m
1 stop
China Eastern Logo
11:35 - 07:40
LGW
-
SYD
59h 05m
2 stops
£649China Eastern
Thu, 23 Apr - Wed, 20 May
China Southern Logo
14:15 - 07:05
SYD
-
LGW
25h 50m
1 stop
China Southern Logo
12:00 - 19:40
LGW
-
SYD
22h 40m
1 stop
£653China Southern
Thu, 14 May - Thu, 28 May
China Southern Logo
09:20 - 17:20
SYD
-
LGW
43h 00m
2 stops
China Southern Logo
12:00 - 12:35
LGW
-
SYD
39h 35m
1 stop
£657China Southern
Mon, 23 Mar - Thu, 9 Apr
Turkish Airlines Logo
21:15 - 16:20
SYD
-
STN
30h 05m
2 stops
Turkish Airlines Logo
06:15 - 19:10
STN
-
SYD
27h 55m
2 stops
£690Turkish Airlines
Mon, 23 Mar - Tue, 2 Jun

China Eastern flights from Sydney to London

Our best China Eastern deals on Sydney to London flight tickets
China Eastern
27 May
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
17 Jun
LHR21:20London Heathrow
30h 15m
1 stop
SYD12:35Sydney Kingsford Smith
£644
China Eastern
23 Apr
SYD11:00Sydney Kingsford Smith
37h 10m
1 stop
LGW15:10London Gatwick
21 May
LGW18:00London Gatwick
30h 00m
1 stop
SYD09:00Sydney Kingsford Smith
£647
China Eastern
8 May
SYD11:00Sydney Kingsford Smith
28h 40m
1 stop
LGW06:40London Gatwick
24 May
LGW11:35London Gatwick
36h 25m
1 stop
SYD09:00Sydney Kingsford Smith
£649

Turkish Airlines flights from Sydney to London

Our best Turkish Airlines deals on Sydney to London flight tickets
Turkish Airlines
2 Mar
SYD21:15Sydney Kingsford Smith
29h 55m
2 stops
LGW16:10London Gatwick
8 Apr
LGW10:50London Gatwick
47h 20m
2 stops
SYD19:10Sydney Kingsford Smith
£698
Turkish Airlines
2 Mar
SYD21:15Sydney Kingsford Smith
36h 15m
2 stops
LGW22:30London Gatwick
8 Apr
LGW17:35London Gatwick
40h 35m
2 stops
SYD19:10Sydney Kingsford Smith
£699
Turkish Airlines
15 Feb
SYD21:15Sydney Kingsford Smith
47h 05m
2 stops
LGW09:20London Gatwick
1 Mar
LGW06:20London Gatwick
26h 00m
2 stops
SYD19:20Sydney Kingsford Smith
£704

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 26 January 2026.
Use the filters below to find and compare flights from Sydney to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 26/2

21:00-17:35

2 stops31h 35m

London Heathrow

Wed 11/3

21:30-20:20

2 stops35h 50m

£647

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 26/5

11:00-15:00

1 stop37h 00m

London Gatwick

Tue 23/6

18:00-09:00

1 stop30h 00m

£647

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 26/5

10:05-18:40

3 stops65h 35m

London Heathrow

Tue 23/6

21:20-08:00

3 stops49h 40m

£648

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 26/2

21:00-17:35

2 stops31h 35m

London Heathrow

Tue 10/3

22:00-20:20

1 stop35h 20m

£649

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 8/5

11:00-06:40

1 stop28h 40m

London Gatwick

Sun 24/5

11:35-09:00

1 stop36h 25m

£649

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 14/2

14:00-17:50

1 stop38h 50m

London Heathrow

Sat 28/2

21:00-14:50

1 stop30h 50m

£649

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 23/4

11:00-15:10

1 stop37h 10m

London Gatwick

Wed 20/5

11:35-07:40

2 stops59h 05m

£649

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 14/5

14:15-07:05

1 stop25h 50m

London Gatwick

Thu 28/5

12:00-19:40

1 stop22h 40m

£653

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 23/3

09:20-17:20

2 stops43h 00m

London Gatwick

Thu 9/4

12:00-12:35

1 stop39h 35m

£657

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 23/3

21:15-16:20

2 stops30h 05m

London Stansted

Tue 2/6

06:15-19:10

2 stops27h 55m

£690

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 February. Flight prices, which tend to average around £767, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Sydney averaging around £772.

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,023. 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 £1,432.

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

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £1,070. Flights in the afternoon are often more expensive, with an average ticket price of £1,375.

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 weeks ahead of your departure date. In general, you can expect to find flights to London for around £942 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sydney for as low as £886 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.

Can stopping save me money on Sydney to London flights?

You could potentially save up to 43% on your flight if you consider stops on a Sydney to London flight.

How have Sydney to London flight prices changed over time?

As of January 2026, prices for Sydney to London flights are approximately 17% 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

£506

Fastest flight time

22h 55m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Sydney in the past 72 hours is £506. The best return flight deal from Sydney to London found on momondo in the last 72 hours is £949.
The fastest flight from Sydney to London takes 22h 55m
Direct flights go from Sydney to London every day.
There are 6 airports in London. From Sydney there are direct flights to London Heathrow (LHR).
  • 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 22h 55m, 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 EasternPriceFrom £617Free CancellationRating
7.2
191 reviews
Search China Eastern flights
China SouthernPriceFrom £618Free CancellationRating
7.3
136 reviews
Search China Southern flights
Air ChinaPriceFrom £653Free CancellationRating
7.2
138 reviews
Search Air China flights
Air IndiaPriceFrom £675Free CancellationRating
5.5
2,974 reviews
Search Air India flights
Etihad AirwaysPriceFrom £703Free CancellationRating
7.3
1,376 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom £740Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom £764Free CancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £774Free CancellationRating
8.2
1,438 reviews
Search Singapore Airlines flights
EmiratesPriceFrom £779Free CancellationRating
8.1
3,488 reviews
Search Emirates flights
Cathay PacificPriceFrom £784Free CancellationRating
7.6
1,144 reviews
Search Cathay Pacific flights
  • Qantas Airways Flights From Sydney to London

    Qantas Airways flight deals from Sydney to London start from £853 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,146 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
Luton
Milton Keynes
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Bedford
Worthing
Ramsgate
Colchester
Folkestone
Winchester

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 25/2
Wed 4/3

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