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Cheap flights from Sydney to London Heathrow Airport from C$ 696

SYD — LHR
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Heathrow

Mon 9/114:50 p.m. -
1 stop32h 40m
Wed 25/118:55 p.m. -
1 stop22h 35m
Deal found 7/11C$ 1,562
Tue 17/119:30 p.m. -
1 stop25h 35m
Wed 9/127:20 p.m. -
1 stop35h 25m
Deal found 10/11C$ 1,565
Thu 19/1110:30 p.m. -
1 stop48h 00m
Tue 15/1210:00 p.m. -
1 stop34h 45m
Deal found 11/11C$ 1,597
Thu 26/1110:30 p.m. -
1 stop43h 05m
Thu 3/128:45 a.m. -
1 stop24h 00m
Deal found 10/11C$ 1,599
Mon 9/119:30 p.m. -
1 stop28h 00m
Fri 27/111:55 p.m. -
1 stop29h 35m
Deal found 8/11C$ 1,600
Sun 8/114:50 p.m. -
1 stop32h 40m
Mon 23/118:40 a.m. -
1 stop22h 05m
Deal found 7/11C$ 1,603
Tue 10/119:30 p.m. -
1 stop31h 30m
Tue 24/117:20 p.m. -
1 stop36h 15m
Deal found 10/11C$ 1,606
Tue 17/119:30 p.m. -
1 stop28h 00m
Sat 21/117:20 p.m. -
1 stop36h 15m
Deal found 10/11C$ 1,609
Mon 16/119:30 p.m. -
1 stop28h 00m
Wed 9/127:20 p.m. -
1 stop24h 10m
Deal found 9/11C$ 1,612
Sun 8/119:35 p.m. -
2 stops47h 10m
Sun 29/1111:20 a.m. -
2 stops45h 05m
Deal found 8/11C$ 1,643
Sun 15/114:50 p.m. -
1 stop32h 40m
Mon 7/128:55 p.m. -
1 stop22h 35m
Deal found 9/11C$ 1,646
Sat 7/119:30 p.m. -
1 stop28h 00m
Thu 26/118:40 a.m. -
1 stop22h 05m
Deal found 7/11C$ 1,649

Find flight deals from Sydney to Heathrow

Round-trip from

C$ 1,458

One-way from

C$ 696

Popular in

December

Cheapest in

February

Average price

C$ 1,785
Shenzhen Airlines
  • Shenzhen Airlines
  • 2/3-15/3
  • 2 total stops
  • 61h 30m total
  • Sydney to London
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Etihad Airways
  • Etihad Airways
  • 18/11-31/12
  • 1 total stop
  • 24h 50m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 232 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 91 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sun 24/1

9:35 p.m.-4:20 p.m.

2 stops29h 45m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 791

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Thu 18/3

9:35 p.m.-9:45 a.m.

2 stops47h 10m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 795

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Thu 14/1

9:10 p.m.-7:25 a.m.

1 stop45h 15m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 856

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 15/2

9:30 p.m.-7:20 p.m.

2 stops32h 50m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 933

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Thu 14/1

11:50 a.m.-7:15 a.m.

2 stops30h 25m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,033
Quickest round-trip

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sat 9/1

9:10 p.m.-2:00 p.m.

1 stop27h 50m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,208

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sat 13/3

7:55 a.m.-9:45 a.m.

3 stops36h 50m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,289

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 7/12

9:50 a.m.-9:45 a.m.

2 stops34h 55m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,290

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Tue 16/3

7:55 a.m.-9:45 a.m.

3 stops36h 50m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,292

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 11/1

7:50 p.m.-4:55 p.m.

2 stops32h 05m

London Heathrow

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,293

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 22 resultsSorted by cheapest first
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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 round-trip price

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?

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 C$ 1,556). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of C$ 2,691). 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?

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 to fly round-trip from Sydney to London Heathrow Airport?

Airfare is below average for this route at the moment.

Sydney to London Heathrow Airport flights typically cost between C$ 1,504 and C$ 2,159 in March.
The cheapest round-trip price found within the last 5 days was C$ 1,458 on Shenzhen Airlines (2 Mar-15 Mar).

Related info for your journey

  • What airport do you fly from for flights from Sydney to London Heathrow?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to London Heathrow. On average, Kingsford Smith has 3 outbound flights to London Heathrow per day from 0 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

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

    A quick flight from Sydney to London Heathrow Airport can take about 25h. Virgin Australia provides one of the quickest options available for as low as C$ 2,209. Sydney and London Heathrow Airport are separated by a distance of 17008 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 vacation 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 C$ 1,556). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of C$ 2,691). 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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Kingston upon Thames
Slough
Marlow
Cobham
Hounslow
Wembley
Leamington Spa
Northampton
Watford
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Yes, we can. To see specific flights from Sydney to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Sydney today and book when prices fit your budget.

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