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Cheap flights from Sydney to London from $437

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 8/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:00 - 17:35
SYD
-
LHR
31h 35m
2 stops
Multiple Airlines Logo
22:10 - 19:40
LHR
-
SYD
36h 30m
1 stop
$1,227Multiple Airlines
Thu, 26 Mar - Wed, 15 Apr
Multiple Airlines Logo
21:00 - 16:20
SYD
-
LHR
30h 20m
1 stop
Multiple Airlines Logo
20:25 - 15:30
LHR
-
SYD
32h 05m
1 stop
$1,234Multiple Airlines
Tue, 10 Mar - Tue, 17 Mar
China Southern Logo
15:15 - 18:35
SYD
-
LHR
38h 20m
1 stop
China Southern Logo
17:15 - 20:20
LHR
-
SYD
40h 05m
2 stops
$1,235China Southern
Sun, 15 Feb - Sun, 1 Mar
Multiple Airlines Logo
14:00 - 15:55
SYD
-
LHR
36h 55m
1 stop
Multiple Airlines Logo
22:00 - 20:20
LHR
-
SYD
35h 20m
1 stop
$1,237Multiple Airlines
Mon, 2 Mar - Fri, 6 Mar
Multiple Airlines Logo
21:00 - 17:35
SYD
-
LHR
31h 35m
2 stops
Multiple Airlines Logo
22:10 - 19:40
LHR
-
SYD
36h 30m
1 stop
$1,238Multiple Airlines
Thu, 19 Mar - Fri, 24 Apr
China Eastern Logo
11:00 - 18:40
SYD
-
LHR
40h 40m
1 stop
China Eastern Logo
21:20 - 12:35
LHR
-
SYD
30h 15m
1 stop
$1,241China Eastern
Fri, 22 May - Mon, 22 Jun
China Southern Logo
21:45 - 19:00
SYD
-
LHR
30h 15m
1 stop
China Southern Logo
22:10 - 12:35
LHR
-
SYD
29h 25m
1 stop
$1,247China Southern
Thu, 21 May - Sun, 31 May
China Eastern Logo
13:30 - 17:30
SYD
-
LHR
63h 00m
3 stops
China Eastern Logo
21:00 - 13:35
LHR
-
SYD
29h 35m
1 stop
$1,251China Eastern
Thu, 12 Mar - Tue, 17 Mar
China Southern Logo
21:45 - 19:00
SYD
-
LHR
30h 15m
1 stop
China Southern Logo
22:10 - 12:35
LHR
-
SYD
29h 25m
1 stop
$1,252China Southern
Thu, 21 May - Sat, 30 May
China Southern Logo
15:15 - 18:35
SYD
-
LHR
38h 20m
1 stop
China Southern Logo
22:00 - 20:20
LHR
-
SYD
35h 20m
1 stop
$1,254China Southern
Fri, 13 Feb - Sun, 1 Mar

Air India flights from Sydney to London Heathrow Airport

Our best Air India deals on Sydney to London Heathrow Airport flight tickets
Air India
23 Apr
SYD20:00Sydney Kingsford Smith
24h 30m
1 stop
LHR11:30London Heathrow
9 May
LHR13:15London Heathrow
44h 10m
1 stop
SYD18:25Sydney Kingsford Smith
$1,305
Air India
21 Apr
SYD20:00Sydney Kingsford Smith
32h 00m
1 stop
LHR19:00London Heathrow
11 May
LHR20:35London Heathrow
36h 50m
1 stop
SYD18:25Sydney Kingsford Smith
$1,312
Air India
5 June
SYD20:00Sydney Kingsford Smith
24h 30m
1 stop
LHR11:30London Heathrow
6 June
LHR20:45London Heathrow
36h 40m
1 stop
SYD18:25Sydney Kingsford Smith
$1,322

China Southern flights from Sydney to London Heathrow Airport

Our best China Southern deals on Sydney to London Heathrow Airport flight tickets
China Southern
15 Feb
SYD15:15Sydney Kingsford Smith
38h 20m
1 stop
LHR18:35London Heathrow
1 Mar
LHR17:15London Heathrow
40h 05m
2 stops
SYD20:20Sydney Kingsford Smith
$1,235
China Southern
21 May
SYD21:45Sydney Kingsford Smith
30h 15m
1 stop
LHR19:00London Heathrow
31 May
LHR22:10London Heathrow
29h 25m
1 stop
SYD12:35Sydney Kingsford Smith
$1,247
China Southern
21 May
SYD21:45Sydney Kingsford Smith
30h 15m
1 stop
LHR19:00London Heathrow
30 May
LHR22:10London Heathrow
29h 25m
1 stop
SYD12:35Sydney Kingsford Smith
$1,252

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 31 January 2026.
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

Thu 26/3

21:00-17:35

2 stops31h 35m

London Heathrow

Wed 15/4

22:10-19:40

1 stop36h 30m

$1,227

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 10/3

21:00-16:20

1 stop30h 20m

London Heathrow

Tue 17/3

20:25-15:30

1 stop32h 05m

$1,234

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 15/2

15:15-18:35

1 stop38h 20m

London Heathrow

Sun 1/3

17:15-20:20

2 stops40h 05m

$1,235

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/3

14:00-15:55

1 stop36h 55m

London Heathrow

Fri 6/3

22:00-20:20

1 stop35h 20m

$1,237

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 19/3

21:00-17:35

2 stops31h 35m

London Heathrow

Fri 24/4

22:10-19:40

1 stop36h 30m

$1,238

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 22/5

11:00-18:40

1 stop40h 40m

London Heathrow

Mon 22/6

21:20-12:35

1 stop30h 15m

$1,241

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 21/5

21:45-19:00

1 stop30h 15m

London Heathrow

Sun 31/5

22:10-12:35

1 stop29h 25m

$1,247

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 12/3

13:30-17:30

3 stops63h 00m

London Heathrow

Tue 17/3

21:00-13:35

1 stop29h 35m

$1,251

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 21/5

21:45-19:00

1 stop30h 15m

London Heathrow

Sat 30/5

22:10-12:35

1 stop29h 25m

$1,252

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 13/2

15:15-18:35

1 stop38h 20m

London Heathrow

Sun 1/3

22:00-20:20

1 stop35h 20m

$1,254

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 $1,511. 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 $1,544.

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 $2,022. 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 $2,439.

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

In the afternoon is the cheapest time of day to fly from Sydney to London Heathrow Airport when you can find flight prices for as low as $1,960. Flying to London Heathrow Airport in the afternoon 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 $2,267.

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 $1,844 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 $1,730 on momondo.

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

There are 4 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 42% 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 January 2026, prices for Sydney to London Heathrow Airport flights are approximately 7% more expensive 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

$1,384

Fastest flight time

24h 00m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $1,384. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $1,865.
The fastest flight from Sydney to London Heathrow Airport takes 24h 00m
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 24h 00m 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 $1,050Free cancellationRating
7.3
136 reviews
Search China Southern flights
Air ChinaPriceFrom $1,063Free cancellationRating
7.2
138 reviews
Search Air China flights
China EasternPriceFrom $1,175Free cancellationRating
7.2
192 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom $1,275Free cancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Turkish AirlinesPriceFrom $1,316Free cancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
Air IndiaPriceFrom $1,332Free cancellationRating
5.5
2,978 reviews
Search Air India flights
China AirlinesPriceFrom $1,342Free cancellationRating
8.3
803 reviews
Search China Airlines flights
SWISSPriceFrom $1,419Free cancellationRating
7.6
1,864 reviews
Search SWISS flights
Japan AirlinesPriceFrom $1,433Free cancellationRating
8.3
1,691 reviews
Search Japan Airlines flights
Qatar AirwaysPriceFrom $1,504Free cancellationRating
7.4
3,728 reviews
Search Qatar Airways flights

Travelling to a place near London?

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

An easier way to manage your London Heathrow Airport trip

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