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Cheap flights from Sydney to London from $370

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 5/11. 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 Sydney to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sydney to London.
12:50 pm - 11:05 pmSYD-LGW
43h 15m2 stops
4:10 pm - 7:30 pmLGW-SYD
42h 20m2 stops
mar., may. 13 - sáb., may. 31
12:50 pm - 11:05 pmSYD-LGW
43h 15m2 stops
4:10 pm - 7:30 pmLGW-SYD
42h 20m2 stops
mar., may. 13 - sáb., may. 31
11:00 am - 3:00 pmSYD-LGW
37h 00m1 stop
11:35 am - 9:00 amLGW-SYD
36h 25m1 stop
$841China Eastern
Find Deal
lun., jun. 2 - lun., jun. 16
8:30 pm - 6:40 amSYD-LGW
43h 10m1 stop
11:35 am - 12:35 pmLGW-SYD
40h 00m1 stop
$843China Eastern
Find Deal
lun., may. 19 - lun., jun. 2
6:05 pm - 3:45 pmSYD-LHR
30h 40m1 stop
11:25 am - 5:55 amLHR-SYD
33h 30m1 stop
$988Singapore Airlines
Find Deal
lun., jul. 28 - jue., ago. 28
6:05 pm - 3:45 pmSYD-LHR
30h 40m1 stop
11:25 am - 5:55 amLHR-SYD
33h 30m1 stop
$1,024Singapore Airlines
Find Deal
mié., sep. 10 - mié., sep. 24
2:05 pm - 3:15 pmSYD-LHR
34h 10m1 stop
6:20 pm - 8:40 amLHR-SYD
29h 20m1 stop
$1,077Cathay Pacific
Find Deal
lun., jul. 28 - jue., ago. 28
9:50 pm - 8:35 pmSYD-LHR
31h 45m1 stop
6:20 pm - 6:10 amLHR-SYD
26h 50m1 stop
$1,083Cathay Pacific
Find Deal
jue., sep. 11 - lun., sep. 22
8:10 pm - 12:35 pmSYD-LGW
25h 25m1 stop
9:45 pm - 6:05 amLGW-SYD
23h 20m1 stop
$1,261Emirates
Find Deal
lun., may. 19 - lun., jun. 2
9:50 am - 7:20 amSYD-LGW
30h 30m2 stops
2:30 pm - 6:25 amLGW-SYD
30h 55m2 stops
$1,262Emirates
Find Deal
jue., sep. 18 - dom., sep. 28

Air China flights from Sydney to London

Our best Air China deals on Sydney to London flight tickets
Air China
Jun 5
SYD7:40 pmSydney Kingsford Smith
33h 50m
1 stop
LHR8:30 pmLondon Heathrow
Sep 9
LHR8:25 pmLondon Heathrow
33h 25m
1 stop
SYD2:50 pmSydney Kingsford Smith
Air China
Jun 5
SYD7:40 pmSydney Kingsford Smith
33h 50m
1 stop
LHR8:30 pmLondon Heathrow
Sep 9
LHR8:25 pmLondon Heathrow
33h 25m
1 stop
SYD2:50 pmSydney Kingsford Smith
Air China
May 22
SYD7:40 pmSydney Kingsford Smith
31h 05m
1 stop
LHR5:45 pmLondon Heathrow
Jun 13
LHR10:40 pmLondon Heathrow
31h 10m
1 stop
SYD2:50 pmSydney Kingsford Smith

Singapore Airlines flights from Sydney to London

Our best Singapore Airlines deals on Sydney to London flight tickets
Singapore Airlines
Jul 28
SYD6:05 pmSydney Kingsford Smith
30h 40m
1 stop
LHR3:45 pmLondon Heathrow
Aug 28
LHR11:25 amLondon Heathrow
33h 30m
1 stop
SYD5:55 amSydney Kingsford Smith
Singapore Airlines
Sep 10
SYD6:05 pmSydney Kingsford Smith
30h 40m
1 stop
LHR3:45 pmLondon Heathrow
Sep 24
LHR11:25 amLondon Heathrow
33h 30m
1 stop
SYD5:55 amSydney Kingsford Smith
Singapore Airlines
May 19
SYD11:00 amSydney Kingsford Smith
28h 25m
1 stop
LGW6:25 amLondon Gatwick
Jun 2
LGW10:15 amLondon Gatwick
24h 00m
1 stop
SYD7:15 pmSydney 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 $1,049, 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 $1,057.

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

The cheapest day to depart from Sydney to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $1,374. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,933. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,266 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $2,004. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,300 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 $1,235 on momondo.

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

There are 1 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 March 2025, prices for Sydney to London flights are approximately 27% 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 round-trip 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

$370

Fastest flight time

23h 45m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in London

2 airports
The best one-way flight to London from Sydney in the past 72 hours is $370. The best round-trip flight deal from Sydney to London found on momondo in the last 72 hours is $755.
The fastest flight from Sydney to London takes 23h 45m
Direct flights go from Sydney to London on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Qantas Airways and British Airways.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

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

    The distance between Sydney Kingsford Smith and London is about 10552.8 mi. 24h 25m is a normal flight duration for this route.

  • 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 are refreshed on a daily basis.

  • 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?

    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 Sydney Kingsford Smith Airport to London.

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

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $842Free CancellationRating
7.1
136 reviews
Search China Eastern flights
Cathay PacificPriceFrom $956Free CancellationRating
7.5
837 reviews
Search Cathay Pacific flights
Etihad AirwaysPriceFrom $957Free CancellationRating
7.4
1,180 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,026Free CancellationRating
8.1
1,285 reviews
Search Singapore Airlines flights
British AirwaysPriceFrom $1,176Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
EmiratesPriceFrom $1,257Free CancellationRating
8.0
3,189 reviews
Search Emirates flights
Qantas AirwaysPriceFrom $1,301Free CancellationRating
7.5
811 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,315Free CancellationRating
7.4
3,538 reviews
Search Qatar Airways flights
  • Qantas Airways Flights From Sydney to London

    Qantas Airways flies from Sydney to London around 3 times per week, with 811 momondo users rating the airline 7.5/10. The cheapest Qantas Airways deal from Sydney to London in the last 72 hours was $1,301 (round-trip), much lower than the average airfare cost of $1,642 for Qantas Airways flights on this route.

  • British Airways Flights From Sydney to London

    The best British Airways deal for Sydney to London flight tickets found on momondo in the last 72 hours was $1,176, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $1,391 round-trip. British Airways operates 3 flights out of Sydney into London in an average week, so prices vary by time and availability. 6,712 British Airways reviews by users on momondo have scored the airline at 6.6/10.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Luton
Guildford
Slough
Hayes
Dartford
Stansted
Ilford
Dover
Canterbury
Colchester
Milton Keynes
Horley
Wembley
Chelmsford
Eastbourne
Southend-on-Sea
Hook

Why use momondo?

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

It is quick and easy to find Sydney to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to London.

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

Price alerts on flights to London from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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mar. 4/1
mar. 4/8

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