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Cheap flights from Sydney to London from £297

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 11/10. 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

Air China Logo
19:45 - 17:45SYD-LHR
31h 00m1 stop
Air China Logo
20:25 - 14:55LHR-SYD
33h 30m1 stop
£630Air China
Find Deal
Mon, 21 Jul - Mon, 4 Aug
Air China Logo
19:45 - 17:45SYD-LHR
31h 00m1 stop
Air China Logo
20:25 - 14:55LHR-SYD
33h 30m1 stop
£630Air China
Find Deal
Mon, 21 Jul - Mon, 4 Aug
Air China Logo
19:40 - 20:30SYD-LHR
33h 50m1 stop
Air China Logo
22:40 - 14:50LHR-SYD
31h 10m1 stop
£631Air China
Find Deal
Tue, 5 Aug - Sun, 24 Aug
China Eastern Logo
12:00 - 18:40SYD-LHR
40h 40m1 stop
China Eastern Logo
21:00 - 13:35LHR-SYD
29h 35m1 stop
£636China Eastern
Find Deal
Tue, 21 Oct - Thu, 20 Nov
Air China Logo
19:40 - 20:30SYD-LHR
33h 50m1 stop
Air China Logo
22:40 - 14:50LHR-SYD
31h 10m1 stop
£654Air China
Find Deal
Sun, 3 Aug - Sun, 24 Aug
 Logo
19:40 - 20:30SYD-LHR
33h 50m1 stop
 Logo
22:40 - 18:25LHR-SYD
34h 45m2 stops
Tue, 5 Aug - Wed, 3 Sep
Air China Logo
19:45 - 20:30SYD-LHR
33h 45m1 stop
Air China Logo
20:25 - 14:50LHR-SYD
33h 25m1 stop
£657Air China
Find Deal
Wed, 30 Jul - Sun, 3 Aug
China Eastern Logo
11:00 - 18:40SYD-LHR
40h 40m1 stop
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
£658China Eastern
Find Deal
Tue, 5 Aug - Sat, 15 Nov
Etihad Airways Logo
16:40 - 15:15SYD-LHR
32h 35m1 stop
Etihad Airways Logo
09:00 - 18:35LHR-SYD
22h 35m1 stop
£692Etihad Airways
Find Deal
Mon, 6 Oct - Mon, 17 Nov
Etihad Airways Logo
21:30 - 12:45SYD-LHR
25h 15m1 stop
Etihad Airways Logo
09:00 - 18:35LHR-SYD
22h 35m1 stop
£692Etihad Airways
Find Deal
Mon, 6 Oct - Mon, 24 Nov

China Eastern flights from Sydney to London Heathrow Airport

Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
China Eastern
21 Oct
SYD12:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
20 Nov
LHR21:00London Heathrow
29h 35m
1 stop
SYD13:35Sydney Kingsford Smith
China Eastern
5 Aug
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
15 Nov
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
China Eastern
11 Aug
SYD20:30Sydney Kingsford Smith
31h 10m
1 stop
LHR18:40London Heathrow
25 Aug
LHR21:20London Heathrow
30h 15m
1 stop
SYD12:35Sydney Kingsford Smith

Air China flights from Sydney to London Heathrow Airport

Our best Air China deals on Sydney to London Heathrow Airport flight tickets
Air China
21 Jul
SYD19:45Sydney Kingsford Smith
31h 00m
1 stop
LHR17:45London Heathrow
4 Aug
LHR20:25London Heathrow
33h 30m
1 stop
SYD14:55Sydney Kingsford Smith
Air China
21 Jul
SYD19:45Sydney Kingsford Smith
31h 00m
1 stop
LHR17:45London Heathrow
4 Aug
LHR20:25London Heathrow
33h 30m
1 stop
SYD14:55Sydney Kingsford Smith
Air China
5 Aug
SYD19:40Sydney Kingsford Smith
33h 50m
1 stop
LHR20:30London Heathrow
24 Aug
LHR22:40London Heathrow
31h 10m
1 stop
SYD14:50Sydney 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 £763. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Sydney averaging around £787.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £1,049. 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 £1,355.

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 £928. 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 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £951 when searching weeks before you fly. 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 £884 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.

Can stopping save me money on Sydney to London Heathrow Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Sydney to London Heathrow Airport flight.

How have Sydney to London Heathrow Airport flight prices changed over time?

As of June 2025, prices for Sydney to London Heathrow Airport flights are approximately 26% 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

£297

Fastest flight time

24h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is £297. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is £630.
The fastest flight from Sydney to London Heathrow Airport takes 24h 20m
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 25h 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 £586Free CancellationRating
7.6
100 reviews
Search China Southern flights
Air ChinaPriceFrom £650Free CancellationRating
7.2
92 reviews
Search Air China flights
Air IndiaPriceFrom £673Free CancellationRating
5.5
2,921 reviews
Search Air India flights
China EasternPriceFrom £679Free CancellationRating
7.1
152 reviews
Search China Eastern flights
Etihad AirwaysPriceFrom £705Free CancellationRating
7.4
1,224 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £714Free CancellationRating
7.3
3,884 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £725Free CancellationRating
7.6
921 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom £762Free CancellationRating
7.4
264 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £786Free CancellationRating
8.1
1,319 reviews
Search Singapore Airlines flights
EmiratesPriceFrom £836Free CancellationRating
8.1
3,285 reviews
Search Emirates 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 £1,864. 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
Slough
Southend-on-Sea
Northampton
Swindon
Stratford-upon-Avon
Maidstone
Canterbury
Gatwick
Ipswich
Ilford
Dartford
Margate
Hounslow
Colchester
Guildford
Salisbury
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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