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Cheap flights from Sydney to London Heathrow Airport from $637

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 26/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Sydney to London.
China Southern Logo
21:45 - 19:00SYD-LHR
30h 15m1 stop
China Southern Logo
22:10 - 08:25LHR-SYD
25h 15m1 stop
$1,327China Southern
Find Deal
Thu, 12 Jun - Mon, 16 Jun
China Eastern Logo
20:30 - 18:40SYD-LHR
31h 10m1 stop
China Eastern Logo
21:20 - 09:00LHR-SYD
26h 40m1 stop
$1,339China Eastern
Find Deal
Mon, 12 May - Mon, 19 May
China Eastern Logo
11:00 - 18:40SYD-LHR
40h 40m1 stop
China Eastern Logo
21:20 - 12:35LHR-SYD
30h 15m1 stop
$1,341China Eastern
Find Deal
Tue, 13 May - Sat, 17 May
Air China Logo
19:40 - 17:45SYD-LHR
31h 05m1 stop
Air China Logo
20:25 - 14:50LHR-SYD
33h 25m1 stop
$1,374Air China
Find Deal
Thu, 22 May - Tue, 27 May
Air China Logo
19:40 - 17:45SYD-LHR
31h 05m1 stop
Air China Logo
22:40 - 14:50LHR-SYD
31h 10m1 stop
$1,376Air China
Find Deal
Thu, 29 May - Thu, 5 Jun
Malaysia Airlines Logo
22:10 - 16:35SYD-LHR
27h 25m1 stop
Malaysia Airlines Logo
11:00 - 19:35LHR-SYD
23h 35m1 stop
$1,444Malaysia Airlines
Find Deal
Tue, 13 May - Thu, 29 May
Malaysia Airlines Logo
14:05 - 05:55SYD-LHR
25h 50m1 stop
Malaysia Airlines Logo
21:25 - 10:20LHR-SYD
25h 55m1 stop
$1,525Malaysia Airlines
Find Deal
Mon, 6 Oct - Mon, 24 Nov
China Southern Logo
21:45 - 19:00SYD-LHR
30h 15m1 stop
China Southern Logo
22:10 - 08:25LHR-SYD
25h 15m1 stop
$1,648China Southern
Find Deal
Sun, 1 Jun - Tue, 8 Jul
China Airlines Logo
22:10 - 16:30SYD-LHR
27h 20m1 stop
China Airlines Logo
21:10 - 10:45LHR-SYD
28h 35m1 stop
$1,659China Airlines
Find Deal
Thu, 8 May - Fri, 30 May
China Airlines Logo
22:10 - 16:30SYD-LHR
27h 20m1 stop
China Airlines Logo
21:10 - 10:45LHR-SYD
28h 35m1 stop
$1,694China Airlines
Find Deal
Fri, 1 Aug - Mon, 1 Sep

Japan Airlines flights from Sydney to London Heathrow Airport

Our best Japan Airlines deals on Sydney to London Heathrow Airport flight tickets
Japan Airlines
17 Apr
SYD08:55Sydney Kingsford Smith
39h 55m
1 stop
LHR15:50London Heathrow
21 Apr
LHR19:20London Heathrow
26h 00m
1 stop
SYD06:20Sydney Kingsford Smith
Japan Airlines
17 Apr
SYD08:55Sydney Kingsford Smith
39h 55m
1 stop
LHR15:50London Heathrow
27 May
LHR09:40London Heathrow
35h 40m
1 stop
SYD06:20Sydney Kingsford Smith

China Eastern flights from Sydney to London Heathrow Airport

Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
China Eastern
12 May
SYD20:30Sydney Kingsford Smith
31h 10m
1 stop
LHR18:40London Heathrow
19 May
LHR21:20London Heathrow
26h 40m
1 stop
SYD09:00Sydney Kingsford Smith
China Eastern
13 May
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
17 May
LHR21:20London Heathrow
30h 15m
1 stop
SYD12:35Sydney Kingsford Smith
China Eastern
12 May
SYD20:30Sydney Kingsford Smith
31h 10m
1 stop
LHR18:40London Heathrow
25 May
LHR21:20London Heathrow
26h 40m
1 stop
SYD09:00Sydney 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 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 $1,686. 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 $1,714.

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 $2,122. 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 $2,333.

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 $1,903. 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 $2,512.

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 26 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $2,067 when searching 26 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 $1,973 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 April 2025, prices for Sydney to London Heathrow Airport flights are approximately 18% 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

$637

Fastest flight time

24h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $637. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $1,327.
The fastest flight from Sydney to London Heathrow Airport takes 24h 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 17004.5 km. Typically, this will take 25h 50m 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 $1,197Free cancellationRating
7.2
86 reviews
Search Air China flights
China EasternPriceFrom $1,347Free cancellationRating
7.2
143 reviews
Search China Eastern flights
Air IndiaPriceFrom $1,384Free cancellationRating
5.5
2,895 reviews
Search Air India flights
China AirlinesPriceFrom $1,419Free cancellationRating
8.2
729 reviews
Search China Airlines flights
SriLankan AirlinesPriceFrom $1,486Free cancellationRating
6.8
73 reviews
Search SriLankan Airlines flights
Turkish AirlinesPriceFrom $1,507Free cancellationRating
7.3
3,757 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,524Free cancellationRating
7.4
3,550 reviews
Search Qatar Airways flights
Vietnam AirlinesPriceFrom $1,525Free cancellationRating
7.6
194 reviews
Search Vietnam Airlines flights
Japan AirlinesPriceFrom $1,525Free cancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
Asiana AirlinesPriceFrom $1,600Free cancellationRating
8.2
438 reviews
Search Asiana Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Brentford
Wembley
Hounslow
Slough
Ipswich
Newbury
Harrow
Richmond
Eastbourne
Dover
Barnet
Chipping Campden
Borehamwood
Brentwood
Milton Keynes
Guildford
Sutton
Salisbury
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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