Find flights
When to book
FAQs

Cheap flights from Sydney to London Heathrow Airport from ₹ 47,721

SYD — LHR
10 Oct — 17 Oct1
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

Sat 24/1021:35 -
1 stop33h 55m
Mon 9/1113:00 -
1 stop43h 15m
Deal found 10/9₹ 102,857
Fri 16/1022:05 -
2 stops45h 45m
Mon 19/1006:30 -
2 stops27h 40m
Deal found 6/9₹ 110,081
Thu 8/1022:05 -
2 stops33h 00m
Thu 29/1006:25 -
2 stops26h 00m
Deal found 6/9₹ 111,127
Fri 23/1022:05 -
2 stops27h 55m
Fri 13/1106:25 -
2 stops26h 00m
Deal found 7/9₹ 111,317
Thu 1/1021:05 -
2 stops34h 20m
Mon 30/1106:25 -
2 stops26h 00m
Deal found 6/9₹ 111,412
Mon 19/1021:35 -
1 stop27h 30m
Sun 8/1113:55 -
1 stop29h 35m
Deal found 7/9₹ 111,793
Wed 7/1022:05 -
2 stops33h 00m
Thu 1/406:30 -
2 stops27h 35m
Deal found 9/9₹ 111,983
Sun 8/1121:35 -
2 stops34h 30m
Sat 14/1106:25 -
2 stops26h 00m
Deal found 6/9₹ 112,268
Fri 16/1022:05 -
2 stops45h 45m
Fri 23/1018:30 -
2 stops39h 40m
Deal found 8/9₹ 112,458

Find flight deals from Sydney to Heathrow

Round-trip from

₹ 102,857

One-way from

₹ 47,626

Popular in

December

Cheapest in

February

Average price

₹ 146,300
Air India
  • Air India
  • 24/10-9/11
  • 2 total stops
  • 77h 10m total
  • Sydney to London
Search Deals
Air India
  • Air India
  • 7/10-31/12
  • 1 total stop
  • 43h 55m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 972,120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 405,324 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Tue 1/12

21:35-22:30

2 stops35h 55m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 53,235

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sun 15/11

21:35-21:05

2 stops34h 30m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 53,330

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 18/1

21:05-17:20

2 stops31h 15m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 57,893

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 19/10

15:15-17:50

2 stops36h 35m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 69,015
Fastest return journey

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 1/3

22:10-16:55

1 stop29h 45m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 69,395

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 11/1

22:10-16:55

1 stop29h 45m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 69,585

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Wed 21/10

21:45-18:00

1 stop30h 15m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 70,821

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sat 16/1

16:45-15:00

2 stops57h 15m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 74,338

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Thu 15/10

13:40-19:20

3 stops39h 40m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 76,144

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Thu 25/2

17:45-19:05

3 stops36h 20m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 83,654

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 22 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

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?

The price you pay for your flight from Sydney to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 ₹ 104,853). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of ₹ 178,621). 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 for a return flight 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 ₹ 123,485 and ₹ 172,252 in October.
The cheapest return price found within the last 5 days was ₹ 102,857 on Air India (24 Oct–9 Nov).

Related info for your journey

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

    If you book a flight to London Heathrow from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 3 flights from Kingsford Smith to London Heathrow per day from 0 different airlines.

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

    Departing from Sydney to London Heathrow Airport will take you 27h 40m. 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 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 ₹ 104,853). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of ₹ 178,621). 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
Hayes
Bedford
Hatfield
Milton Keynes
Ramsgate
Ilford
Hounslow
Kingston upon Thames
Wembley

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Heathrow.

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

Certainly. Search results for flights to Heathrow from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.