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Cheap flights from Sydney to London from $678

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

Logo
15:50 - 16:40SYD-LHR
34h 50m2 stops
Logo
22:00 - 20:35LHR-SYD
35h 35m3 stops
$1,373
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Wed, 15 Oct - Sat, 15 Nov
Turkish Airlines Logo
21:55 - 22:25SYD-LHR
34h 30m2 stops
Turkish Airlines Logo
06:35 - 19:20LHR-SYD
25h 45m1 stop
$1,374Turkish Airlines
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Tue, 14 Oct - Tue, 11 Nov
China Eastern Logo
12:10 - 17:30SYD-LHR
40h 20m3 stops
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,376China Eastern
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Tue, 11 Nov - Tue, 25 Nov
China Eastern Logo
13:30 - 17:30SYD-LHR
39h 00m3 stops
China Eastern Logo
21:00 - 13:35LHR-SYD
29h 35m1 stop
$1,377China Eastern
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Mon, 10 Nov - Sun, 30 Nov
Turkish Airlines Logo
21:55 - 09:50SYD-LHR
45h 55m2 stops
Turkish Airlines Logo
17:45 - 19:20LHR-SYD
38h 35m1 stop
$1,379Turkish Airlines
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Sun, 19 Oct - Sun, 16 Nov
China Southern Logo
22:15 - 19:00SYD-LHR
30h 45m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
$1,386China Southern
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Wed, 22 Oct - Thu, 30 Oct
China Airlines Logo
22:10 - 16:55SYD-LHR
29h 45m1 stop
China Airlines Logo
21:15 - 12:15LHR-SYD
28h 00m1 stop
$1,406China Airlines
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Tue, 28 Oct - Fri, 31 Oct
China Southern Logo
22:15 - 19:00SYD-LHR
30h 45m1 stop
China Southern Logo
22:00 - 09:25LHR-SYD
24h 25m1 stop
$1,412China Southern
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Wed, 15 Oct - Sat, 15 Nov
Etihad Airways Logo
21:30 - 14:30SYD-LHR
28h 00m1 stop
Etihad Airways Logo
19:20 - 06:35LHR-SYD
24h 15m1 stop
$1,415Etihad Airways
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Thu, 20 Nov - Sun, 7 Dec
Etihad Airways Logo
21:30 - 12:45SYD-LHR
25h 15m1 stop
Etihad Airways Logo
08:50 - 06:35LHR-SYD
34h 45m1 stop
$1,448Etihad Airways
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Mon, 6 Oct - Mon, 24 Nov

China Airlines flights from Sydney to London Heathrow Airport

Our best China Airlines deals on Sydney to London Heathrow Airport flight tickets
China Airlines
28 Oct
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
31 Oct
LHR21:15London Heathrow
28h 00m
1 stop
SYD12:15Sydney Kingsford Smith
$1,406
Find similar
China Airlines
14 Sept
SYD22:10Sydney Kingsford Smith
27h 20m
1 stop
LHR16:30London Heathrow
19 Sept
LHR21:10London Heathrow
28h 35m
1 stop
SYD10:45Sydney Kingsford Smith
$1,860
Find similar
China Airlines
22 Sept
SYD22:10Sydney Kingsford Smith
27h 20m
1 stop
LHR16:30London Heathrow
22 Oct
LHR21:10London Heathrow
28h 35m
1 stop
SYD11:45Sydney Kingsford Smith
$1,881
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Turkish Airlines flights from Sydney to London Heathrow Airport

Our best Turkish Airlines deals on Sydney to London Heathrow Airport flight tickets
Turkish Airlines
14 Oct
SYD21:55Sydney Kingsford Smith
34h 30m
2 stops
LHR22:25London Heathrow
11 Nov
LHR06:35London Heathrow
25h 45m
1 stop
SYD19:20Sydney Kingsford Smith
$1,374
Find similar
Turkish Airlines
19 Oct
SYD21:55Sydney Kingsford Smith
45h 55m
2 stops
LHR09:50London Heathrow
16 Nov
LHR17:45London Heathrow
38h 35m
1 stop
SYD19:20Sydney Kingsford Smith
$1,379
Find similar
Turkish Airlines
16 Oct
SYD21:55Sydney Kingsford Smith
27h 10m
2 stops
LHR15:05London Heathrow
13 Nov
LHR06:35London Heathrow
25h 45m
2 stops
SYD19:20Sydney Kingsford Smith
$1,398
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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 12 September 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

Wed 15/10

15:50-16:40

2 stops34h 50m

London Heathrow

Sat 15/11

22:00-20:35

3 stops35h 35m

$1,373

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 14/10

21:55-22:25

2 stops34h 30m

London Heathrow

Tue 11/11

06:35-19:20

1 stop25h 45m

$1,374

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 11/11

12:10-17:30

3 stops40h 20m

London Heathrow

Tue 25/11

21:00-10:00

1 stop26h 00m

$1,376

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 10/11

13:30-17:30

3 stops39h 00m

London Heathrow

Sun 30/11

21:00-13:35

1 stop29h 35m

$1,377

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 19/10

21:55-09:50

2 stops45h 55m

London Heathrow

Sun 16/11

17:45-19:20

1 stop38h 35m

$1,379

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 22/10

22:15-19:00

1 stop30h 45m

London Heathrow

Thu 30/10

22:00-20:20

1 stop35h 20m

$1,386

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 28/10

22:10-16:55

1 stop29h 45m

London Heathrow

Fri 31/10

21:15-12:15

1 stop28h 00m

$1,406

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 15/10

22:15-19:00

1 stop30h 45m

London Heathrow

Sat 15/11

22:00-09:25

1 stop24h 25m

$1,412

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 20/11

21:30-14:30

1 stop28h 00m

London Heathrow

Sun 7/12

19:20-06:35

1 stop24h 15m

$1,415

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/10

21:30-12:45

1 stop25h 15m

London Heathrow

Mon 24/11

08:50-06:35

1 stop34h 45m

$1,448

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 $1,598. 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 $1,610.

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 $2,082. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London Heathrow Airport for around $2,267.

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 $1,801. 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 $2,469.

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 $1,960 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 $1,789 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 September 2025, prices for Sydney to London Heathrow Airport flights are approximately 16% 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

$1,390

Fastest flight time

23h 45m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $1,390. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $2,010.
The fastest flight from Sydney to London Heathrow Airport takes 23h 45m
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 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 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
Air ChinaPriceFrom $1,192Free cancellationRating
7.2
99 reviews
Search Air China flights
China EasternPriceFrom $1,256Free cancellationRating
7.2
165 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $1,421Free cancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
China AirlinesPriceFrom $1,431Free cancellationRating
8.3
767 reviews
Search China Airlines flights
Qatar AirwaysPriceFrom $1,446Free cancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
Japan AirlinesPriceFrom $1,450Free cancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
SWISSPriceFrom $1,472Free cancellationRating
7.5
1,730 reviews
Search SWISS flights
Asiana AirlinesPriceFrom $1,613Free cancellationRating
8.2
479 reviews
Search Asiana Airlines flights
SriLankan AirlinesPriceFrom $1,614Free cancellationRating
6.8
75 reviews
Search SriLankan Airlines flights
Virgin AustraliaPriceFrom $1,623Free cancellationRating
7.5
416 reviews
Search Virgin Australia flights

Travelling to a place near London?

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

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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