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Cheap flights from Sydney to London from $677

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 26/1. 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
22:00 - 20:20LHR-SYD
35h 20m1 stop
$1,557Multiple Airlines
Find Deal
Tue, 3 Mar - Wed, 18 Mar
Multiple Airlines Logo
22:10 - 16:55SYD-LHR
29h 45m1 stop
Multiple Airlines Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
$1,559Multiple Airlines
Find Deal
Mon, 2 Mar - Tue, 17 Mar
China Eastern Logo
15:10 - 17:30SYD-LHR
37h 20m2 stops
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,562China Eastern
Find Deal
Fri, 30 Jan - Tue, 3 Feb
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
China Eastern Logo
21:20 - 10:00LHR-SYD
26h 40m1 stop
$1,563China Eastern
Find Deal
Tue, 24 Mar - Tue, 31 Mar
China Airlines Logo
22:10 - 16:30SYD-LHR
27h 20m1 stop
China Airlines Logo
21:10 - 10:45LHR-SYD
28h 35m1 stop
$1,568China Airlines
Find Deal
Mon, 20 Apr - Fri, 12 Jun
Multiple Airlines Logo
21:00 - 17:35SYD-LHR
31h 35m2 stops
Multiple Airlines Logo
21:00 - 13:35LHR-SYD
29h 35m1 stop
$1,570Multiple Airlines
Find Deal
Thu, 19 Feb - Thu, 5 Mar
Air China Logo
14:00 - 17:50SYD-LHR
38h 50m1 stop
Air China Logo
20:25 - 12:00LHR-SYD
28h 35m1 stop
$1,573Air China
Find Deal
Sat, 24 Jan - Sat, 31 Jan
China Eastern Logo
12:00 - 17:30SYD-LHR
40h 30m1 stop
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,574China Eastern
Find Deal
Fri, 23 Jan - Fri, 6 Feb
Multiple Airlines Logo
21:00 - 17:35SYD-LHR
31h 35m2 stops
Multiple Airlines Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
$1,576Multiple Airlines
Find Deal
Thu, 19 Feb - Tue, 3 Mar
Multiple Airlines Logo
21:15 - 14:55SYD-LHR
28h 40m2 stops
Multiple Airlines Logo
21:00 - 13:35LHR-SYD
29h 35m1 stop
$1,577Multiple Airlines
Find Deal
Mon, 2 Feb - Sat, 28 Feb

China Eastern flights from Sydney to London Heathrow Airport

Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
China Eastern
30 Jan
SYD15:10Sydney Kingsford Smith
37h 20m
2 stops
LHR17:30London Heathrow
3 Feb
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
$1,562
Find similar
China Eastern
24 Mar
SYD21:30Sydney Kingsford Smith
31h 00m
1 stop
LHR17:30London Heathrow
31 Mar
LHR21:20London Heathrow
26h 40m
1 stop
SYD10:00Sydney Kingsford Smith
$1,563
Find similar
China Eastern
23 Jan
SYD12:00Sydney Kingsford Smith
40h 30m
1 stop
LHR17:30London Heathrow
6 Feb
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
$1,574
Find similar

China Airlines flights from Sydney to London Heathrow Airport

Our best China Airlines deals on Sydney to London Heathrow Airport flight tickets
China Airlines
20 Apr
SYD22:10Sydney Kingsford Smith
27h 20m
1 stop
LHR16:30London Heathrow
12 June
LHR21:10London Heathrow
28h 35m
1 stop
SYD10:45Sydney Kingsford Smith
$1,568
Find similar
China Airlines
2 Mar
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
8 Apr
LHR21:10London Heathrow
28h 35m
1 stop
SYD10:45Sydney Kingsford Smith
$1,643
Find similar
China Airlines
1 Feb
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
23 Feb
LHR21:15London Heathrow
28h 00m
1 stop
SYD12:15Sydney Kingsford Smith
$1,647
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 3 December 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 3/3

21:00-16:20

1 stop30h 20m

London Heathrow

Wed 18/3

22:00-20:20

1 stop35h 20m

$1,557

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/3

22:10-16:55

1 stop29h 45m

London Heathrow

Tue 17/3

20:25-15:30

1 stop32h 05m

$1,559

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 30/1

15:10-17:30

2 stops37h 20m

London Heathrow

Tue 3/2

21:00-10:00

1 stop26h 00m

$1,562

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 24/3

21:30-17:30

1 stop31h 00m

London Heathrow

Tue 31/3

21:20-10:00

1 stop26h 40m

$1,563

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 20/4

22:10-16:30

1 stop27h 20m

London Heathrow

Fri 12/6

21:10-10:45

1 stop28h 35m

$1,568

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 19/2

21:00-17:35

2 stops31h 35m

London Heathrow

Thu 5/3

21:00-13:35

1 stop29h 35m

$1,570

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 24/1

14:00-17:50

1 stop38h 50m

London Heathrow

Sat 31/1

20:25-12:00

1 stop28h 35m

$1,573

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 23/1

12:00-17:30

1 stop40h 30m

London Heathrow

Fri 6/2

21:00-10:00

1 stop26h 00m

$1,574

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 19/2

21:00-17:35

2 stops31h 35m

London Heathrow

Tue 3/3

20:25-15:30

1 stop32h 05m

$1,576

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/2

21:15-14:55

2 stops28h 40m

London Heathrow

Sat 28/2

21:00-13:35

1 stop29h 35m

$1,577

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 $1,597. 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 $1,673.

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 $2,076. 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 $2,417.

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 $1,827. 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 $2,458.

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 $1,981 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 $1,855 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 3% 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 December 2025, prices for Sydney to London Heathrow Airport flights are approximately 0% 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

$1,432

Fastest flight time

24h 50m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $1,432. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $2,006.
The fastest flight from Sydney to London Heathrow Airport takes 24h 50m
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 20m 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 $1,166Free cancellationRating
7.2
127 reviews
Search Air China flights
China SouthernPriceFrom $1,166Free cancellationRating
7.5
120 reviews
Search China Southern flights
China EasternPriceFrom $1,261Free cancellationRating
7.2
178 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $1,413Free cancellationRating
7.3
4,072 reviews
Search Turkish Airlines flights
Air IndiaPriceFrom $1,416Free cancellationRating
5.5
2,948 reviews
Search Air India flights
China AirlinesPriceFrom $1,419Free cancellationRating
8.3
787 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $1,470Free cancellationRating
8.3
1,637 reviews
Search Japan Airlines flights
SWISSPriceFrom $1,514Free cancellationRating
7.5
1,800 reviews
Search SWISS flights
Qatar AirwaysPriceFrom $1,598Free cancellationRating
7.4
3,678 reviews
Search Qatar Airways flights
Vietnam AirlinesPriceFrom $1,614Free cancellationRating
7.6
215 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
Milton Keynes
Brentford
Deal
Dover
Ipswich
Abingdon
Eastbourne
Slough
Chichester
Canterbury
Kingston upon Thames
Brentwood
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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