Cheap flights from Sydney to London Heathrow Airport from $831

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in February or October, booked 51 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Sydney to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Heathrow
Explore the most affordable flight options available from Sydney to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 June 2026.

Sat 25/720:35
SYD
-
LHR
1 stop47h 55m
Air India
Tue 11/821:45
LHR
-
SYD
1 stop36h 20m
Air India
Deal found 15/6$1,652
Sat 17/1021:35
SYD
-
LHR
1 stop31h 10m
Etihad Airways
Fri 23/1014:45
LHR
-
SYD
1 stop29h 50m
Etihad Airways
Deal found 16/6$1,653
Tue 14/720:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Mon 21/921:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 16/6$1,654
Thu 30/721:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Thu 3/922:10
LHR
-
SYD
1 stop25h 15m
Multiple Airlines
Deal found 15/6$1,656
Sat 22/820:35
SYD
-
LHR
1 stop31h 25m
Air India
Wed 9/909:45
LHR
-
SYD
1 stop24h 20m
Air India
Deal found 16/6$1,657
Mon 20/719:45
SYD
-
LHR
2 stops33h 30m
Air China
Sat 29/822:00
LHR
-
SYD
2 stops31h 50m
Air China
Deal found 15/6$1,660
Wed 15/720:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Sat 19/921:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 16/6$1,661
Mon 27/719:45
SYD
-
LHR
2 stops33h 30m
Air China
Mon 3/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/6$1,663
Fri 24/720:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Sun 9/821:20
LHR
-
SYD
3 stops49h 40m
China Eastern
Deal found 19/6$1,664
Tue 7/720:35
SYD
-
LHR
1 stop31h 25m
Air India
Tue 4/821:45
LHR
-
SYD
1 stop36h 20m
Air India
Deal found 19/6$1,666
Mon 3/819:45
SYD
-
LHR
2 stops33h 30m
Air China
Sun 23/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 19/6$1,667
Sun 5/720:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Tue 7/721:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 16/6$1,669

Find flight deals from Sydney to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 June 2026.

Round-trip from

$1,652

One-way from

$831

Popular in

December

Cheapest in

February

Average price

$2,126

Good round-trip deal

$2,249 or less

Good one-way deal

$1,892 or less
Air India
  • Air India
  • 25/7-11/8
  • 2 total stops
  • 84h 15m total
  • Sydney to London
8/7
  • 8/7
  • 2 total stops
  • 36h 40m total
  • Sydney to London
Highest demand for flights based on searches. 7% potential increase in price ($214 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($85 potential savings vs. average return price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Heathrow 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, Cheapflights users made 647,157 searches. Data last updated 20 June 2026.
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

Cheapest return flight

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 14/9

10:15-17:50

1 stop40h 35m

London Heathrow

Tue 15/9

19:50-12:15

2 stops55h 25m

$1,984

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 16/10

11:15-17:50

2 stops64h 35m

London Heathrow

Mon 16/11

11:00-13:15

1 stop39h 15m

$2,001

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 6/8

20:45-06:25

1 stop42h 40m

London Heathrow

Sun 27/9

19:25-17:10

1 stop36h 45m

$2,101
Fastest return journey

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 15/11

21:30-16:20

2 stops29h 50m

London Heathrow

Thu 19/11

06:25-19:35

2 stops26h 10m

$2,125

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 10/8

14:15-17:50

2 stops36h 35m

London Heathrow

Sun 27/9

19:50-08:15

2 stops51h 25m

$2,136

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 5/7

10:05-18:40

3 stops41h 35m

London Heathrow

Mon 3/8

21:20-12:35

1 stop30h 15m

$2,181

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 6/8

13:05-19:10

2 stops39h 05m

London Heathrow

Fri 21/8

08:25-06:25

2 stops37h 00m

$2,228

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 7/7

08:55-06:25

1 stop30h 30m

London Heathrow

Mon 20/7

09:10-06:20

1 stop36h 10m

$2,433

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 25/10

08:05-10:45

3 stops36h 40m

London Heathrow

Sun 8/11

16:30-19:35

2 stops40h 05m

$2,487

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 6/12

11:50-07:15

2 stops30h 25m

London Heathrow

Fri 25/12

11:00-09:50

2 stops35h 50m

$2,514

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Sydney to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to London Heathrow Airport

How far ahead should I book a flight from Sydney to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,527). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $2,573). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to LHR?

Find hourly flight availability from Sydney to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 June 2026.

When flying from Sydney to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Sydney to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 20 June 2026.
Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Singapore Airlines,Emirates, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Comfort

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Comfort

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Comfort

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Comfort

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Comfort

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Sydney to London Heathrow?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to London Heathrow. You should not have trouble finding flights to London Heathrow from Kingsford Smith; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 24 airlines have flights from the Sydney airport to London Heathrow. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • How long is the flight from Sydney to London Heathrow Airport?

    Vietnam Airlines, Qatar Airways, and Turkish Airlines can get you from Sydney to London Heathrow Airport in just under 29h 50m. Your travel time can differ by up to 12h 50m. Airlines will cover a distance of 17008 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?

    Currently priced at $968, Air China will fly you from Sydney to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and Virgin Australia - these airlines can fly you to your destination from $1,000 and $1,055, respectively. Air China is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Sydney to London Heathrow Airport are Hainan Airlines ($368), Air China ($535), and China Southern ($557).

  • What are the cheapest flights from Sydney to London Heathrow Airport?

    While on average a flight from Sydney to London Heathrow Airport is generally $7,683, our data shows the cheapest flight currently is $1,582. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,296 for that flight.

  • Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?

  • What are some popular points of interest to see during a stopover in Singapore?

    Sentosa, Universal Studios Singapore, and Merlion are the most popular attractions in Singapore if you're in need of something to do during your stopover. Sentosa, Universal Studios Singapore, and Merlion can be accessed by travelling approximately 21.6 km, 21.6 km, and 16.9 km, respectively from Singapore Changi. Travellers can book a car hire at Singapore Changi for about $118 per day to make their sightseeing more efficient.

  • Where are the least popular stopover locations for Sydney to London Heathrow Airport flights?

  • Can I find deals for flights from Sydney to Heathrow that include hotel bookings?

    Yes. In addition to deals on Sydney to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Heathrow.

  • Can I find deals for business class flights from Sydney to Heathrow?

    Yes. Cheapflights offers flight deals from Sydney to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,527). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $2,573). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Kingston upon Thames
Salisbury
Horsham
Luton
Dover
Aylesbury
Guildford
Stansted
Braintree
Gatwick
Chertsey
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

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Fly from Sydney to Heathrow on these airlines

Choose from the following airlines for your flight from Sydney to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 20 June 2026.

Top 10 airlines flying from Sydney to Heathrow

Discover the top 10 airlines that operate flights from Sydney to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$968Average$1,564FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$995Average$1,523FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Virgin AustraliaCheapest$1,055Average$2,147FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
China EasternCheapest$1,176Average$1,574FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest$1,182Average$1,623FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China AirlinesCheapest$1,331Average$1,649FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
SWISSCheapest$1,396Average$2,162FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air IndiaCheapest$1,400Average$1,765FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest$1,455Average$1,707FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest$1,468Average$2,521FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Sydney to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Sydney to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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