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Cheap flights from Sydney to London Heathrow Airport from $419

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 5/12. 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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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sydney to London.
China Eastern Logo
11:00 am - 6:40 pmSYD-LHR
40h 40m1 stop
China Eastern Logo
9:20 pm - 9:00 amLHR-SYD
26h 40m1 stop
$902China Eastern
Find Deal
Thu, Jun 5 - Thu, Jun 12
China Eastern Logo
11:20 am - 6:40 pmSYD-LHR
40h 20m2 stops
China Eastern Logo
9:20 pm - 9:00 amLHR-SYD
26h 40m1 stop
$924China Eastern
Find Deal
Thu, Jun 5 - Thu, Jun 12
Cathay Pacific Logo
10:10 am - 5:40 amSYD-LHR
28h 30m1 stop
Cathay Pacific Logo
12:20 pm - 8:10 pmLHR-SYD
22h 50m1 stop
$1,015Cathay Pacific
Find Deal
Thu, May 8 - Thu, May 15
Cathay Pacific Logo
9:50 pm - 3:15 pmSYD-LHR
26h 25m1 stop
Cathay Pacific Logo
12:20 pm - 8:10 pmLHR-SYD
22h 50m1 stop
$1,017Cathay Pacific
Find Deal
Tue, May 20 - Tue, Jun 17
Air China Logo
7:45 pm - 5:45 pmSYD-LHR
31h 00m1 stop
Air China Logo
10:40 pm - 2:50 pmLHR-SYD
31h 10m1 stop
$1,027Air China
Find Deal
Mon, Jul 28 - Thu, Aug 28
 Logo
8:45 pm - 3:15 pmSYD-LHR
51h 30m2 stops
 Logo
9:30 am - 11:35 amLHR-SYD
41h 05m2 stops
$1,037
Find Deal
Thu, May 8 - Thu, May 15
 Logo
12:50 pm - 8:25 pmSYD-LHR
40h 35m2 stops
 Logo
6:55 pm - 7:30 pmLHR-SYD
39h 35m2 stops
$1,041
Find Deal
Tue, May 20 - Tue, Jun 17
British Airways Logo
2:40 pm - 6:30 amSYD-LHR
24h 50m1 stop
British Airways Logo
7:35 pm - 5:20 amLHR-SYD
24h 45m1 stop
$1,116British Airways
Find Deal
Fri, May 16 - Tue, May 20
British Airways Logo
2:40 pm - 5:25 amSYD-LHR
23h 45m1 stop
British Airways Logo
7:35 pm - 6:20 amLHR-SYD
24h 45m1 stop
$1,117British Airways
Find Deal
Sat, Oct 4 - Tue, Oct 21
Air China Logo
7:40 pm - 8:30 pmSYD-LHR
33h 50m1 stop
Air China Logo
8:25 pm - 2:50 pmLHR-SYD
33h 25m1 stop
$1,131Air China
Find Deal
Thu, Sep 11 - Thu, Oct 2

Air India flights from Sydney to London Heathrow Airport

Our best Air India deals on Sydney to London Heathrow Airport flight tickets
Air India
May 14
SYD7:30 pmSydney Kingsford Smith
25h 35m
1 stop
LHR12:05 pmLondon Heathrow
Jun 25
LHR8:35 pmLondon Heathrow
36h 25m
1 stop
SYD6:00 pmSydney Kingsford Smith
Air India
Aug 9
SYD7:30 pmSydney Kingsford Smith
25h 00m
1 stop
LHR11:30 amLondon Heathrow
Aug 18
LHR9:45 amLondon Heathrow
23h 15m
1 stop
SYD6:00 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
Jun 5
SYD11:00 amSydney Kingsford Smith
40h 40m
1 stop
LHR6:40 pmLondon Heathrow
Jun 12
LHR9:20 pmLondon Heathrow
26h 40m
1 stop
SYD9:00 amSydney Kingsford Smith
China Eastern
Jun 5
SYD11:20 amSydney Kingsford Smith
40h 20m
2 stops
LHR6:40 pmLondon Heathrow
Jun 12
LHR9:20 pmLondon Heathrow
26h 40m
1 stop
SYD9:00 amSydney Kingsford Smith
China Eastern
May 19
SYD8:30 pmSydney Kingsford Smith
31h 10m
1 stop
LHR6:40 pmLondon Heathrow
Jun 5
LHR9:20 pmLondon Heathrow
26h 40m
1 stop
SYD9:00 amSydney 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 $1,060. 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 $1,242 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 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 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

$419

Fastest flight time

23h 45m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $419. The best round-trip flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $902.
The fastest flight from Sydney to London Heathrow Airport takes 23h 45m
Direct flights go from Sydney to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Friday 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 23h 45m.

  • 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
Air ChinaPriceFrom $831Free CancellationRating
7.2
86 reviews
Search Air China flights
China EasternPriceFrom $842Free CancellationRating
7.2
145 reviews
Search China Eastern flights
Cathay PacificPriceFrom $956Free CancellationRating
7.5
850 reviews
Search Cathay Pacific flights
Etihad AirwaysPriceFrom $957Free CancellationRating
7.4
1,202 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,026Free CancellationRating
8.1
1,290 reviews
Search Singapore Airlines flights
British AirwaysPriceFrom $1,174Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
EmiratesPriceFrom $1,186Free CancellationRating
8.0
3,206 reviews
Search Emirates flights
Qantas AirwaysPriceFrom $1,301Free CancellationRating
7.5
828 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,315Free CancellationRating
7.4
3,560 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 7 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 $1,695. 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 6,815 reviews) operates around 7 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 $1,174 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
Gatwick
Hounslow
Croydon
Luton
Guildford
Slough
Hayes
Dartford
Dover
Stansted
Ilford
Salisbury
Milton Keynes
Canterbury
Colchester
Horley
Wembley
Swindon
Chelmsford
Richmond

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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