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Cheap flights from Sydney to London Heathrow Airport from £309

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 Heathrow Airport departing on 12/3. 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

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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Sydney to London.

Cheap last-minute flights

Planning a quick getaway from Sydney to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Sydney to London

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All return flight deals from Sydney to London

The cheapest plane tickets from Sydney to London found on KAYAK recently.
08:10 - 18:15SYD-LHR
45h 05m1 stop
22:00 - 20:20LHR-SYD
35h 20m1 stop
£633China Southern
Find Deal
Tue, 11 Feb - Wed, 5 Mar
11:25 - 18:15SYD-LHR
41h 50m1 stop
22:00 - 20:20LHR-SYD
35h 20m1 stop
£636China Southern
Find Deal
Tue, 11 Feb - Wed, 5 Mar
21:45 - 19:05SYD-LHR
30h 20m1 stop
22:10 - 19:40LHR-SYD
36h 30m1 stop
£637China Southern
Find Deal
Mon, 5 May - Mon, 26 May
20:40 - 15:55SYD-LHR
30h 15m1 stop
17:40 - 15:30LHR-SYD
34h 50m1 stop
£668Air China
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Fri, 14 Feb - Wed, 26 Feb
20:40 - 17:50SYD-LHR
32h 10m1 stop
17:40 - 15:30LHR-SYD
34h 50m1 stop
£668Air China
Find Deal
Thu, 13 Feb - Tue, 25 Feb
12:00 - 17:30SYD-LHR
40h 30m1 stop
17:50 - 10:00LHR-SYD
29h 10m1 stop
£680China Eastern
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Mon, 3 Mar - Fri, 7 Mar
12:00 - 13:55SYD-LHR
36h 55m1 stop
21:00 - 10:00LHR-SYD
26h 00m1 stop
£683China Eastern
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Tue, 4 Mar - Tue, 18 Mar
16:10 - 15:35SYD-LHR
34h 25m1 stop
22:05 - 17:55LHR-SYD
32h 50m1 stop
£785Singapore Airlines
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Wed, 5 Mar - Sat, 22 Mar
22:20 - 15:00SYD-LHR
27h 40m1 stop
22:15 - 08:45LHR-SYD
25h 30m1 stop
£810Cathay Pacific
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Thu, 20 Mar - Sat, 10 May
15:15 - 15:00SYD-LHR
34h 45m1 stop
17:50 - 20:50LHR-SYD
40h 00m1 stop
£811Cathay Pacific
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Thu, 30 Jan - Fri, 14 Mar
22:10 - 18:15SYD-LHR
31h 05m1 stop
£309China Southern
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Wed, 12 Mar
21:45 - 19:05SYD-LHR
30h 20m1 stop
£314China Southern
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Mon, 26 May
20:40 - 15:55SYD-LHR
30h 15m1 stop
£327Air China
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Fri, 14 Feb
20:40 - 15:55SYD-LHR
30h 15m1 stop
£329Air China
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Fri, 28 Feb
13:30 - 17:40SYD-LHR
39h 10m2 stops
£411China Eastern
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Sat, 29 Mar
11:20 - 18:40SYD-LHR
40h 20m2 stops
£418China Eastern
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Sat, 24 May
22:10 - 16:55SYD-LHR
29h 45m1 stop
£438China Airlines
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Sun, 2 Mar
22:10 - 16:55SYD-LHR
29h 45m1 stop
£467China Airlines
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Fri, 28 Mar
21:30 - 06:45SYD-LHR
44h 15m1 stop
£482Etihad Airways
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Thu, 23 Jan
21:30 - 12:05SYD-LHR
25h 35m1 stop
£488Etihad Airways
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Sat, 1 Feb
15:55 - 06:15SYD-LHR
25h 20m1 stop
09:10 - 18:35LHR-SYD
22h 25m1 stop
£1,035
Find Deal
Sat, 18 Jan - Tue, 11 Feb
18:10 - 06:15SYD-LHR
47h 05m2 stops
11:50 - 22:30LHR-SYD
23h 40m1 stop
£1,052Qantas Airways
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Sat, 18 Jan - Tue, 11 Feb
22:20 - 15:00SYD-LHR
27h 40m1 stop
20:15 - 20:50LHR-SYD
37h 35m1 stop
£1,113Cathay Pacific
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Sun, 19 Jan - Wed, 29 Jan
08:10 - 18:15SYD-LHR
45h 05m1 stop
22:00 - 06:35LHR-SYD
45h 35m1 stop
£1,154China Southern
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Wed, 22 Jan - Wed, 29 Jan
11:25 - 18:15SYD-LHR
41h 50m1 stop
22:00 - 09:25LHR-SYD
24h 25m1 stop
£1,164China Southern
Find Deal
Tue, 21 Jan - Tue, 28 Jan
21:30 - 17:30SYD-LHR
31h 00m1 stop
17:50 - 10:00LHR-SYD
29h 10m1 stop
£1,219China Eastern
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Sat, 18 Jan - Mon, 27 Jan
12:00 - 13:55SYD-LHR
36h 55m1 stop
17:50 - 10:00LHR-SYD
29h 10m1 stop
£1,294China Eastern
Find Deal
Mon, 20 Jan - Mon, 27 Jan
22:20 - 15:00SYD-LHR
27h 40m1 stop
22:05 - 17:25LHR-SYD
32h 20m2 stops
£1,331Cathay Pacific
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Mon, 20 Jan - Mon, 27 Jan
16:20 - 05:25SYD-LHR
24h 05mdirect
08:05 - 18:50LHR-SYD
23h 45m1 stop
£1,622British Airways
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Wed, 22 Jan - Wed, 29 Jan
16:20 - 05:25SYD-LHR
24h 05mdirect
08:35 - 18:50LHR-SYD
23h 15m1 stop
£2,233British Airways
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Mon, 20 Jan - Mon, 27 Jan
16:20 - 05:25SYD-LHR
24h 05mdirect
21:10 - 06:55LHR-SYD
22h 45mdirect
£977British Airways
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Tue, 18 Feb - Tue, 25 Feb
15:55 - 06:15SYD-LHR
25h 20mdirect
20:10 - 06:30LHR-SYD
23h 20mdirect
£985Qantas Airways
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Tue, 11 Feb - Wed, 5 Mar
15:55 - 06:15SYD-LHR
25h 20mdirect
20:10 - 06:30LHR-SYD
23h 20mdirect
£986Qantas Airways
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Thu, 20 Feb - Tue, 25 Feb
15:55 - 06:15SYD-LHR
25h 20mdirect
20:55 - 05:10LHR-SYD
23h 15mdirect
£989Qantas Airways
Find Deal
Tue, 18 Mar - Mon, 7 Apr
15:10 - 06:35SYD-LHR
24h 25mdirect
20:55 - 05:10LHR-SYD
23h 15mdirect
£991Qantas Airways
Find Deal
Mon, 12 May - Mon, 26 May
15:55 - 06:15SYD-LHR
25h 20mdirect
20:10 - 06:30LHR-SYD
23h 20mdirect
£1,004Qantas Airways
Find Deal
Sat, 15 Feb - Sat, 22 Feb
15:55 - 06:15SYD-LHR
25h 20mdirect
20:10 - 06:30LHR-SYD
23h 20mdirect
£1,021Qantas Airways
Find Deal
Mon, 3 Mar - Mon, 17 Mar
14:40 - 05:25SYD-LHR
23h 45mdirect
21:20 - 05:05LHR-SYD
22h 45mdirect
£1,026British Airways
Find Deal
Thu, 8 May - Sun, 18 May
16:20 - 05:25SYD-LHR
24h 05mdirect
21:10 - 06:55LHR-SYD
22h 45mdirect
£1,027British Airways
Find Deal
Thu, 30 Jan - Fri, 14 Mar
16:20 - 05:25SYD-LHR
24h 05mdirect
20:10 - 06:30LHR-SYD
23h 20mdirect
£1,640
Find Deal
Tue, 11 Feb - Wed, 5 Mar

China Airlines flights from Sydney to London Heathrow Airport

Our best China Airlines deals on Sydney to London Heathrow Airport flight tickets
China Airlines
21 Mar
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
14 Apr
LHR21:10London Heathrow
28h 35m
1 stop
SYD10:45Sydney Kingsford Smith
China Airlines
21 Mar
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
16 May
LHR21:10London Heathrow
28h 35m
1 stop
SYD10:45Sydney 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
14 Feb
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
26 Feb
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney Kingsford Smith
Air China
13 Feb
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
25 Feb
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney Kingsford Smith
Air China
18 Feb
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
25 Feb
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney 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 typical price of a round-trip flight between Sydney and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, March 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 £860. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Sydney averaging around £867.

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 Sunday. momondo users have found tickets for Sunday departures for as low as £1,030. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,268.

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 £1,041. 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 at midday when prices are £1,230 on average. Flights to London Heathrow Airport from Sydney at midday 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 16 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £1,055 when searching 16 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 £1,003 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 January 2025, prices for Sydney to London Heathrow Airport flights are approximately 21% 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

£309

Fastest flight time

25h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is £309. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is £633.
The fastest flight from Sydney to London Heathrow Airport takes 25h 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 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
Air ChinaPriceFrom £611Free CancellationRating
7.1
98 reviews
Search Air China flights
China SouthernPriceFrom £657Free CancellationRating
7.4
85 reviews
Search China Southern flights
Air IndiaPriceFrom £727Free CancellationRating
5.5
2,923 reviews
Search Air India flights
Etihad AirwaysPriceFrom £732Free CancellationRating
7.3
1,199 reviews
Search Etihad Airways flights
China EasternPriceFrom £759Free CancellationRating
7.0
134 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom £796Free CancellationRating
7.3
3,925 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £817Free CancellationRating
7.6
826 reviews
Search Cathay Pacific flights
Asiana AirlinesPriceFrom £840Free CancellationRating
8.2
466 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom £875Free CancellationRating
8.2
737 reviews
Search China Airlines flights
Singapore AirlinesPriceFrom £882Free CancellationRating
8.1
1,327 reviews
Search Singapore 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
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Canterbury
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Ilford
Hounslow
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Dartford
Winchester
Swanage

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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