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Cheap flights from Sydney to London Heathrow Airport from $436

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sydney to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sydney to London.
7:40 pm - 8:30 pmSYD-LHR
33h 50m1 stop
8:25 pm - 2:50 pmLHR-SYD
33h 25m1 stop
$867Air China
Find Deal
jue., jun. 5 - mar., sep. 9
7:40 pm - 8:30 pmSYD-LHR
33h 50m1 stop
8:25 pm - 2:50 pmLHR-SYD
33h 25m1 stop
$872Air China
Find Deal
jue., jun. 5 - mar., sep. 9
11:00 am - 6:40 pmSYD-LHR
40h 40m1 stop
9:20 pm - 12:35 pmLHR-SYD
30h 15m1 stop
$880China Eastern
Find Deal
mar., may. 13 - sáb., may. 31
11:00 am - 6:40 pmSYD-LHR
40h 40m1 stop
9:20 pm - 12:35 pmLHR-SYD
30h 15m1 stop
$883China Eastern
Find Deal
lun., may. 19 - lun., jun. 2
6:05 pm - 3:45 pmSYD-LHR
30h 40m1 stop
11:25 am - 5:55 amLHR-SYD
33h 30m1 stop
$988Singapore Airlines
Find Deal
lun., jul. 28 - jue., ago. 28
6:05 pm - 3:45 pmSYD-LHR
30h 40m1 stop
11:25 am - 5:55 amLHR-SYD
33h 30m1 stop
$1,024Singapore Airlines
Find Deal
mié., sep. 10 - mié., sep. 24
2:05 pm - 3:15 pmSYD-LHR
34h 10m1 stop
6:20 pm - 8:40 amLHR-SYD
29h 20m1 stop
$1,077Cathay Pacific
Find Deal
lun., jul. 28 - jue., ago. 28
9:50 pm - 8:35 pmSYD-LHR
31h 45m1 stop
6:20 pm - 6:10 amLHR-SYD
26h 50m1 stop
$1,083Cathay Pacific
Find Deal
jue., sep. 11 - lun., sep. 22
9:30 pm - 6:45 pmSYD-LHR
30h 15m1 stop
9:45 pm - 6:00 pmLHR-SYD
35h 15m1 stop
$1,137Etihad Airways
Find Deal
mar., abr. 29 - sáb., may. 3
9:30 pm - 6:45 pmSYD-LHR
30h 15m1 stop
9:30 am - 7:55 pmLHR-SYD
25h 25m2 stops
$1,208Etihad Airways
Find Deal
mar., abr. 29 - dom., may. 11

Air China flights from Sydney to London Heathrow Airport

Our best Air China deals on Sydney to London Heathrow Airport flight tickets
Air China
Jun 5
SYD7:40 pmSydney Kingsford Smith
33h 50m
1 stop
LHR8:30 pmLondon Heathrow
Sep 9
LHR8:25 pmLondon Heathrow
33h 25m
1 stop
SYD2:50 pmSydney Kingsford Smith
Air China
Jun 5
SYD7:40 pmSydney Kingsford Smith
33h 50m
1 stop
LHR8:30 pmLondon Heathrow
Sep 9
LHR8:25 pmLondon Heathrow
33h 25m
1 stop
SYD2:50 pmSydney Kingsford Smith
Air China
May 22
SYD7:40 pmSydney Kingsford Smith
31h 05m
1 stop
LHR5:45 pmLondon Heathrow
Jun 13
LHR10:40 pmLondon Heathrow
31h 10m
1 stop
SYD2:50 pmSydney 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
May 13
SYD11:00 amSydney Kingsford Smith
40h 40m
1 stop
LHR6:40 pmLondon Heathrow
May 31
LHR9:20 pmLondon Heathrow
30h 15m
1 stop
SYD12:35 pmSydney Kingsford Smith
China Eastern
May 19
SYD11:00 amSydney Kingsford Smith
40h 40m
1 stop
LHR6:40 pmLondon Heathrow
Jun 2
LHR9:20 pmLondon Heathrow
30h 15m
1 stop
SYD12:35 pmSydney Kingsford Smith
China Eastern
May 13
SYD11:00 amSydney Kingsford Smith
40h 40m
1 stop
LHR6:40 pmLondon Heathrow
May 31
LHR9:20 pmLondon Heathrow
30h 15m
1 stop
SYD12:35 pmSydney 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 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 $1,075. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Sydney to London Heathrow Airport during February average around $1,079.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,465. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,933.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Sydney to London Heathrow Airport in the evening for as low as $1,519. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $2,004.

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 $1,300 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 $1,235 on momondo.

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

There are 1 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 March 2025, prices for Sydney to London Heathrow Airport flights are approximately 32% 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 round-trip 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

$436

Fastest flight time

23h 45m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $436. The best round-trip flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $867.
The fastest flight from Sydney to London Heathrow Airport takes 23h 45m
Direct flights go from Sydney to London Heathrow Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Qantas Airways and British Airways.

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

    There are 10566.1 mi between Sydney Kingsford Smith and London Heathrow. By plane, this route typically takes 24h 35m.

  • 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 refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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 EasternPriceFrom $842Free CancellationRating
7.1
136 reviews
Search China Eastern flights
Cathay PacificPriceFrom $956Free CancellationRating
7.5
837 reviews
Search Cathay Pacific flights
Etihad AirwaysPriceFrom $957Free CancellationRating
7.4
1,180 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,026Free CancellationRating
8.1
1,285 reviews
Search Singapore Airlines flights
British AirwaysPriceFrom $1,176Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
EmiratesPriceFrom $1,257Free CancellationRating
8.0
3,190 reviews
Search Emirates flights
Qantas AirwaysPriceFrom $1,301Free CancellationRating
7.5
811 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,315Free CancellationRating
7.4
3,538 reviews
Search Qatar Airways flights
  • Qantas Airways Flights From Sydney to London Heathrow Airport

    Qantas Airways is one of the most popular airlines flying from Sydney to London Heathrow Airport, operating 3 flights/week on average for this route. A good Qantas Airways flight deal for Sydney to London Heathrow Airport starts from $1,301 round-trip, up to an average price of $1,642. Our users have rated Qantas Airways at 7.5/10.

  • British Airways Flights From Sydney to London Heathrow Airport

    British Airways (6.6/10 from 6,712 reviews) operates around 3 flights from Sydney to London Heathrow Airport in any given week. The average British Airways airfare for this route is around $1,391, with deals from around $1,176 rare but found on momondo. Referenced prices are for round-trip Sydney to London Heathrow Airport flight searches in the last 72 hours.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Luton
Guildford
Slough
Hayes
Dartford
Stansted
Ilford
Swindon
Dover
Salisbury
Canterbury
Colchester
Milton Keynes
Horley
Wembley
Chelmsford
Eastbourne

Why use momondo?

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

It is quick and easy to find Sydney to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Sydney with this policy.

How can momondo help me find flights from Sydney to London?

Once all potential Sydney to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sydney to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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