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Cheap flights from Sydney to London from £307

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 15/6. 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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Cheap return flights

China Eastern Logo
20:30 - 18:40SYD-LHR
31h 10m1 stop
China Eastern Logo
21:20 - 09:00LHR-SYD
26h 40m1 stop
£638China Eastern
Find Deal
Wed, 21 May - Sun, 25 May
China Southern Logo
22:15 - 19:00SYD-LHR
30h 45m1 stop
China Southern Logo
22:00 - 09:25LHR-SYD
24h 25m1 stop
£640China Southern
Find Deal
Tue, 21 Oct - Tue, 18 Nov
China Eastern Logo
20:30 - 18:40SYD-LHR
31h 10m1 stop
China Eastern Logo
21:20 - 09:00LHR-SYD
26h 40m1 stop
£642China Eastern
Find Deal
Mon, 26 May - Mon, 2 Jun
China Eastern Logo
12:00 - 18:40SYD-LHR
39h 40m2 stops
China Eastern Logo
21:20 - 09:00LHR-SYD
26h 40m1 stop
£643China Eastern
Find Deal
Wed, 21 May - Sun, 25 May
Etihad Airways Logo
21:30 - 18:45SYD-LHR
30h 15m1 stop
Etihad Airways Logo
21:45 - 16:55LHR-SYD
34h 10m1 stop
£671Etihad Airways
Find Deal
Tue, 3 Jun - Sun, 15 Jun
Etihad Airways Logo
21:30 - 15:15SYD-LHR
26h 45m1 stop
Etihad Airways Logo
21:45 - 16:55LHR-SYD
34h 10m1 stop
£679Etihad Airways
Find Deal
Mon, 9 Jun - Sat, 14 Jun
China Southern Logo
10:15 - 19:00SYD-LHR
41h 45m1 stop
China Southern Logo
22:10 - 19:40LHR-SYD
36h 30m1 stop
£685China Southern
Find Deal
Wed, 11 Jun - Mon, 16 Jun
Air India Logo
19:30 - 07:30SYD-LHR
45h 00m1 stop
Air India Logo
09:45 - 18:00LHR-SYD
23h 15m1 stop
£697Air India
Find Deal
Sun, 27 Jul - Wed, 13 Aug
Air India Logo
19:30 - 11:30SYD-LHR
25h 00m1 stop
Air India Logo
20:35 - 18:00LHR-SYD
36h 25m1 stop
£706Air India
Find Deal
Fri, 8 Aug - Tue, 26 Aug
Cathay Pacific Logo
21:50 - 15:15SYD-LHR
26h 25m1 stop
Cathay Pacific Logo
17:00 - 06:10LHR-SYD
28h 10m1 stop
£756Cathay Pacific
Find Deal
Wed, 11 Jun - Thu, 21 Aug

Turkish Airlines flights from Sydney to London Heathrow Airport

Our best Turkish Airlines deals on Sydney to London Heathrow Airport flight tickets
Turkish Airlines
15 Oct
SYD21:55Sydney Kingsford Smith
34h 30m
2 stops
LHR22:25London Heathrow
30 Oct
LHR06:35London Heathrow
26h 10m
2 stops
SYD19:45Sydney Kingsford Smith
Turkish Airlines
21 Sept
SYD20:55Sydney Kingsford Smith
32h 55m
2 stops
LHR20:50London Heathrow
12 Oct
LHR13:20London Heathrow
44h 40m
2 stops
SYD20:00Sydney Kingsford Smith
Turkish Airlines
25 Sept
SYD20:55Sydney Kingsford Smith
45h 55m
2 stops
LHR09:50London Heathrow
17 Oct
LHR11:20London Heathrow
46h 40m
2 stops
SYD20:00Sydney Kingsford Smith

Cathay Pacific flights from Sydney to London Heathrow Airport

Our best Cathay Pacific deals on Sydney to London Heathrow Airport flight tickets
Cathay Pacific
8 May
SYD14:05Sydney Kingsford Smith
34h 10m
1 stop
LHR15:15London Heathrow
11 May
LHR12:20London Heathrow
22h 50m
1 stop
SYD20:10Sydney Kingsford Smith
Cathay Pacific
11 Jun
SYD21:50Sydney Kingsford Smith
26h 25m
1 stop
LHR15:15London Heathrow
21 Aug
LHR17:00London Heathrow
28h 10m
1 stop
SYD06:10Sydney Kingsford Smith
Cathay Pacific
10 May
SYD07:40Sydney Kingsford Smith
31h 00m
1 stop
LHR05:40London Heathrow
14 May
LHR18:20London Heathrow
26h 50m
1 stop
SYD06:10Sydney Kingsford Smith

See travel insights to London from

How to get the cheapest flight ticket from Sydney to London Heathrow Airport

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 cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Sydney to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £788. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Sydney averaging around £809.

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

On average, the least expensive day to fly to London Heathrow Airport from Sydney is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £1,097. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £1,371.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Sydney to London Heathrow Airport in the morning for as low as £954. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,359 on average. Flights to London Heathrow Airport from Sydney in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Sydney when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £974 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Sydney for as low as £891 on momondo.

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

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to London Heathrow 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 Heathrow Airport flight prices changed over time?

As of May 2025, prices for Sydney to London Heathrow Airport flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to London Heathrow Airport

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

Cheap Sydney to London Heathrow Airport (SYD to LHR) flight deals and tips

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

Best price found

£307

Fastest flight time

24h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is £307. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is £638.
The fastest flight from Sydney to London Heathrow Airport takes 24h 15m
Direct flights go from Sydney to London Heathrow Airport every day.

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

    A flight from Sydney Kingsford Smith to London Heathrow will travel around 10566.1 mi. Typically, this will take 24h 15m by plane in normal conditions.

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

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

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

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

    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 Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

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


Best airlines flying from Sydney to London Heathrow Airport

Compare and see reviews for airlines that fly from Sydney to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £602Free CancellationRating
7.5
96 reviews
Search China Southern flights
Air ChinaPriceFrom £621Free CancellationRating
7.2
91 reviews
Search Air China flights
China AirlinesPriceFrom £678Free CancellationRating
8.3
732 reviews
Search China Airlines flights
China EasternPriceFrom £699Free CancellationRating
7.2
150 reviews
Search China Eastern flights
Air IndiaPriceFrom £712Free CancellationRating
5.5
2,903 reviews
Search Air India flights
Etihad AirwaysPriceFrom £726Free CancellationRating
7.4
1,205 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £735Free CancellationRating
7.3
3,796 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £749Free CancellationRating
7.5
858 reviews
Search Cathay Pacific flights
Singapore AirlinesPriceFrom £808Free CancellationRating
8.1
1,293 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £819Free CancellationRating
7.3
255 reviews
Search Malaysia Airlines flights
  • Qantas Airways Flights From Sydney to London Heathrow Airport

    Qantas Airways is one of the most popular airlines flying from Sydney to London Heathrow Airport, operating 7 flights/week on average for this route. A good Qantas Airways flight deal for Sydney to London Heathrow Airport starts from £1,263 round-trip, up to an average price of £1,868. Our users have rated Qantas Airways at 7.5/10.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Southend-on-Sea
Slough
Stratford-upon-Avon
Swindon
Northampton
Maidstone
Gatwick
Ipswich
Canterbury
Margate
Ilford
Dartford
Salisbury
Hounslow
Colchester
Guildford
Worthing

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?

Yes. momondo enables you to select and highlight flights to London from Sydney with this policy.

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?

Of course. momondo tracks the price of Sydney to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
Tue 13/5
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