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Cheap flights from Sydney to London from $608

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 10/11. 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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Cheap return flights

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Multiple Airlines Logo
21:00 - 16:20SYD-LHR
30h 20m1 stop
Multiple Airlines Logo
20:25 - 14:50LHR-SYD
33h 25m1 stop
$1,407Multiple Airlines
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Tue, 24 Mar - Thu, 9 Apr
Multiple Airlines Logo
21:15 - 14:55SYD-LHR
28h 40m2 stops
Multiple Airlines Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
$1,410Multiple Airlines
Find Deal
Tue, 18 Nov - Tue, 2 Dec
Multiple Airlines Logo
21:15 - 16:10SYD-LHR
29h 55m2 stops
Multiple Airlines Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
$1,412Multiple Airlines
Find Deal
Sat, 7 Feb - Fri, 6 Mar
China Eastern Logo
20:30 - 18:40SYD-LHR
31h 10m1 stop
China Eastern Logo
21:20 - 12:35LHR-SYD
30h 15m1 stop
$1,421China Eastern
Find Deal
Mon, 27 Apr - Fri, 29 May
Cathay Pacific Logo
22:20 - 15:00SYD-LHR
27h 40m1 stop
Cathay Pacific Logo
17:50 - 09:35LHR-SYD
28h 45m1 stop
$1,423Cathay Pacific
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Mon, 17 Nov - Fri, 21 Nov
Cathay Pacific Logo
15:15 - 06:30SYD-LHR
26h 15m1 stop
Cathay Pacific Logo
22:05 - 12:00LHR-SYD
26h 55m1 stop
$1,424Cathay Pacific
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Thu, 5 Feb - Wed, 25 Feb
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,427China Eastern
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Air China Logo
20:40 - 17:50SYD-LHR
32h 10m1 stop
Air China Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
$1,482Air China
Find Deal
Fri, 27 Feb - Thu, 12 Mar
China Airlines Logo
22:10 - 16:55SYD-LHR
29h 45m1 stop
China Airlines Logo
21:15 - 12:15LHR-SYD
28h 00m1 stop
$1,485China Airlines
Find Deal
Sun, 1 Mar - Sat, 14 Mar
China Airlines Logo
22:10 - 16:55SYD-LHR
29h 45m1 stop
China Airlines Logo
21:10 - 10:45LHR-SYD
28h 35m1 stop
$1,514China Airlines
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Fri, 20 Mar - Sat, 11 Apr

Air China flights from Sydney to London Heathrow Airport

Our best Air China deals on Sydney to London Heathrow Airport flight tickets
Air China
9 Nov
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
25 Nov
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
$1,467
Find similar
Air China
27 Feb
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
12 Mar
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney Kingsford Smith
$1,482
Find similar
Air China
11 Nov
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
12 Dec
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
$1,523
Find similar

Turkish Airlines flights from Sydney to London Heathrow Airport

Our best Turkish Airlines deals on Sydney to London Heathrow Airport flight tickets
Turkish Airlines
20 Mar
SYD21:15Sydney Kingsford Smith
27h 55m
2 stops
LHR14:10London Heathrow
12 Apr
LHR22:35London Heathrow
35h 40m
2 stops
SYD19:15Sydney Kingsford Smith
$1,426
Find similar
Turkish Airlines
29 Mar
SYD22:10Sydney Kingsford Smith
28h 45m
2 stops
LHR16:55London Heathrow
26 Apr
LHR13:15London Heathrow
45h 00m
2 stops
SYD19:15Sydney Kingsford Smith
$1,430
Find similar
Turkish Airlines
1 Feb
SYD21:15Sydney Kingsford Smith
27h 15m
2 stops
LHR13:30London Heathrow
18 Feb
LHR22:35London Heathrow
33h 45m
2 stops
SYD19:20Sydney Kingsford Smith
$1,493
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to London Heathrow Airport 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 78,305 searches. Data last updated 4 November 2025.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 24/3

21:00-16:20

1 stop30h 20m

London Heathrow

Thu 9/4

20:25-14:50

1 stop33h 25m

$1,407

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 18/11

21:15-14:55

2 stops28h 40m

London Heathrow

Tue 2/12

17:40-15:30

1 stop34h 50m

$1,410

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 7/2

21:15-16:10

2 stops29h 55m

London Heathrow

Fri 6/3

17:40-15:30

1 stop34h 50m

$1,412

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 27/4

20:30-18:40

1 stop31h 10m

London Heathrow

Fri 29/5

21:20-12:35

1 stop30h 15m

$1,421

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 17/11

22:20-15:00

1 stop27h 40m

London Heathrow

Fri 21/11

17:50-09:35

1 stop28h 45m

$1,423

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/2

15:15-06:30

1 stop26h 15m

London Heathrow

Wed 25/2

22:05-12:00

1 stop26h 55m

$1,424

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 10/3

21:30-17:30

1 stop31h 00m

London Heathrow

Tue 24/3

21:00-10:00

1 stop26h 00m

$1,427

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 27/2

20:40-17:50

1 stop32h 10m

London Heathrow

Thu 12/3

17:40-15:30

1 stop34h 50m

$1,482

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 1/3

22:10-16:55

1 stop29h 45m

London Heathrow

Sat 14/3

21:15-12:15

1 stop28h 00m

$1,485

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 20/3

22:10-16:55

1 stop29h 45m

London Heathrow

Sat 11/4

21:10-10:45

1 stop28h 35m

$1,514

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Sydney, with most prices found around $1,624. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from Sydney during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in October, still average around $1,649.

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

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,087. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London Heathrow Airport for around $2,432.

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

In the evening is the cheapest time of day to fly from Sydney to London Heathrow Airport when you can find flight prices for as low as $1,830. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is at midday when prices are around $2,484.

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 $1,989 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 $1,823 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 28% 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 November 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

$1,439

Fastest flight time

24h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $1,439. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $1,967.
The fastest flight from Sydney to London Heathrow Airport takes 24h 25m
Direct flights go from Sydney to London Heathrow Airport every day.
Search flight deals

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

    A flight from Sydney Kingsford Smith to London Heathrow will travel around 17004.5 km. Typically, this will take 26h 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 are updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 licence 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 $1,172Free cancellationRating
7.5
119 reviews
Search China Southern flights
Air ChinaPriceFrom $1,182Free cancellationRating
7.1
122 reviews
Search Air China flights
China EasternPriceFrom $1,270Free cancellationRating
7.2
174 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $1,419Free cancellationRating
7.3
4,035 reviews
Search Turkish Airlines flights
China AirlinesPriceFrom $1,435Free cancellationRating
8.3
776 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $1,474Free cancellationRating
8.3
1,604 reviews
Search Japan Airlines flights
SWISSPriceFrom $1,496Free cancellationRating
7.5
1,777 reviews
Search SWISS flights
LufthansaPriceFrom $1,550Free cancellationRating
6.8
7,552 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom $1,594Free cancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
Vietnam AirlinesPriceFrom $1,622Free cancellationRating
7.5
210 reviews
Search Vietnam Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Wembley
Brentford
Dover
Ipswich
Abingdon
Eastbourne
Slough
Chichester
Canterbury
Deal
Kingston upon Thames
Brentwood
Milton Keynes
Guildford
Salisbury
Sutton
Maidstone
Watford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to London for you.

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

Yes. All flights to London from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes momondo offers price alerts on flights to London from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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