Cheap flights from Sydney to London Heathrow Airport from $693

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 51 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 27 March 2026.

Sat 16/520:50
SYD
-
LHR
1 stop24h 55m
Etihad Airways
Fri 5/620:50
LHR
-
SYD
1 stop24h 20m
Etihad Airways
Deal found 23/3$1,346
Fri 17/415:40
SYD
-
LHR
1 stop32h 25m
Etihad Airways
Fri 8/509:30
LHR
-
SYD
1 stop35h 40m
Etihad Airways
Deal found 23/3$1,347
Tue 26/515:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Wed 27/520:45
LHR
-
SYD
1 stop24h 25m
Etihad Airways
Deal found 27/3$1,359
Thu 23/419:40
SYD
-
LHR
2 stops57h 35m
Air China
Sun 3/522:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 27/3$1,360
Wed 3/615:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Wed 1/720:50
LHR
-
SYD
1 stop24h 20m
Etihad Airways
Deal found 27/3$1,362
Fri 10/415:40
SYD
-
LHR
1 stop32h 25m
Etihad Airways
Thu 23/421:10
LHR
-
SYD
1 stop34h 40m
Etihad Airways
Deal found 27/3$1,363
Fri 1/520:50
SYD
-
LHR
1 stop24h 55m
Etihad Airways
Thu 14/509:30
LHR
-
SYD
1 stop22h 20m
Etihad Airways
Deal found 27/3$1,366
Thu 30/420:40
SYD
-
LHR
2 stops32h 45m
Multiple Airlines
Sun 3/514:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 27/3$1,368
Mon 11/515:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Mon 18/509:30
LHR
-
SYD
1 stop22h 20m
Etihad Airways
Deal found 27/3$1,373
Tue 12/515:40
SYD
-
LHR
1 stop30h 05m
Multiple Airlines
Tue 2/622:40
LHR
-
SYD
1 stop31h 10m
Multiple Airlines
Deal found 24/3$1,387

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 27 March 2026.

Round-trip from

$1,346

One-way from

$693

Popular in

December

Cheapest in

October

Average price

$1,776

Good round-trip deal

$2,306 or less

Good one-way deal

$1,669 or less
Etihad Airways
  • Etihad Airways
  • 16/5-5/6
  • 2 total stops
  • 49h 15m total
  • Sydney to London
4/5
  • 4/5
  • 2 total stops
  • 43h 20m total
  • Sydney to London
Highest demand for flights based on searches. 6% potential increase in price ($204 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($78 potential savings vs. average return price).
Average for round-trip flights in March 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 27 March 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

Fri 24/4

15:40-15:05

1 stop32h 25m

London Heathrow

Mon 18/5

09:30-16:50

1 stop22h 20m

$1,694

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 24/4

15:40-15:05

1 stop32h 25m

London Heathrow

Sun 3/5

21:45-06:10

1 stop23h 25m

$1,694

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 1/8

10:00-18:40

2 stops41h 40m

London Heathrow

Fri 13/11

21:00-10:00

1 stop26h 00m

$1,765

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 17/5

10:15-17:05

2 stops39h 50m

London Heathrow

Wed 20/5

18:55-12:15

1 stop32h 20m

$1,915

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 12/4

15:40-07:25

1 stop24h 45m

London Heathrow

Tue 13/10

20:50-17:50

1 stop35h 00m

$2,017

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 25/4

17:00-14:10

2 stops30h 10m

London Heathrow

Sat 2/5

09:00-17:10

1 stop23h 10m

$2,114
Fastest return journey

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 24/4

19:00-14:10

2 stops28h 10m

London Heathrow

Fri 1/5

08:25-17:10

1 stop23h 45m

$2,124

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 5/6

20:45-18:00

1 stop30h 15m

London Heathrow

Thu 25/6

09:00-17:10

1 stop23h 10m

$2,191

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 3/5

19:00-14:05

2 stops28h 05m

London Heathrow

Sun 31/5

15:35-07:55

2 stops31h 20m

$2,216

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 23/5

14:15-17:50

1 stop36h 35m

London Heathrow

Sun 7/6

19:50-08:15

2 stops51h 25m

$2,217

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 23 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?

Use this chart to determine the optimal time to book a return flight from Sydney to Heathrow. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 51 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 $961). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,799). 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 27 March 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 27 March 2026.
Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Singapore Airlines,Cathay Pacific, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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 1 outbound flight 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?

    Etihad Airways, China Eastern, and Vietnam Airlines can get you from Sydney to London Heathrow Airport in just under 32h 25m. Your travel time can differ by up to 9h 15m. 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 $974, 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 China Eastern - these airlines can fly you to your destination from $1,039 and $1,201, respectively. Air China is 48% 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 ($382), Air China ($545), and China Southern ($567).

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

    While on average a flight from Sydney to London Heathrow Airport is generally $7,771, our data shows the cheapest flight currently is $1,424. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,180 for that flight.

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

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Universal Studios Singapore, and Merlion are currently the most popular points of interest in Singapore at the moment. Sentosa, Universal Studios Singapore, and Merlion can be visited by traveling about 21.6 km, 21.6 km, and 16.9 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $125 to make sightseeing during their stopover a little easier.

  • What are points of interest worth seeing during a stopover in Kuala Lumpur?

    Petronas Towers, Kuala Lumpur Tower, and Berjaya Times Square are currently the most popular points of interest in Kuala Lumpur. Petronas Towers, Kuala Lumpur Tower, and Berjaya Times Square can be visited by travelling about 46.6 km, 46.0 km, and 44.9 km respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $40 per day.

  • 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 $961). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,799). 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
Kingston upon Thames
Salisbury
Horsham
Southall
Chatham
Aylesbury
Dover
Braintree
Gatwick
Chertsey

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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 27 March 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 27 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$974Average$1,529FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$1,039Average$1,566FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,201Average$1,483FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest$1,219Average$1,589FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Malaysia AirlinesCheapest$1,286Average$1,615FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,355Average$1,625FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air IndiaCheapest$1,362Average$1,712FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest$1,441Average$2,303FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Japan AirlinesCheapest$1,455Average$1,662FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$1,465Average$2,177FlexibilityNo cancel feeOn-time80%
Search Virgin Australia 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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