Cheap flights from Sydney to London Heathrow Airport from £432

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
17 Jun — 24 Jun1
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 Wednesday or Monday and return on a Monday

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 18 May 2026.

Sun 14/615:40
SYD
-
LHR
1 stop36h 05m
Etihad Airways
Wed 1/709:30
LHR
-
SYD
1 stop35h 40m
Etihad Airways
Deal found 14/5£768
Thu 30/721:30
SYD
-
LHR
1 stop30h 15m
Etihad Airways
Sun 30/821:45
LHR
-
SYD
1 stop23h 25m
Etihad Airways
Deal found 14/5£770
Wed 29/719:40
SYD
-
LHR
2 stops33h 35m
Air China
Wed 19/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 18/5£771
Wed 5/819:40
SYD
-
LHR
2 stops33h 35m
Air China
Fri 21/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 18/5£772
Fri 7/819:40
SYD
-
LHR
2 stops33h 35m
Air China
Fri 21/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/5£774
Fri 7/819:40
SYD
-
LHR
2 stops33h 35m
Air China
Sat 22/820:25
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 15/5£774
Tue 2/621:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Mon 15/614:45
LHR
-
SYD
1 stop30h 25m
Multiple Airlines
Deal found 13/5£777
Thu 13/821:30
SYD
-
LHR
1 stop42h 30m
Etihad Airways
Mon 17/814:45
LHR
-
SYD
1 stop30h 25m
Etihad Airways
Deal found 15/5£777
Tue 9/621:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Tue 23/621:45
LHR
-
SYD
1 stop34h 05m
Multiple Airlines
Deal found 18/5£780
Tue 9/621:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Mon 22/614:45
LHR
-
SYD
1 stop30h 25m
Multiple Airlines
Deal found 14/5£787

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 18 May 2026.

Round-trip from

£768

One-way from

£432

Popular in

December

Cheapest in

February

Average price

£880

Good round-trip deal

£1,499 or less
Etihad Airways
  • Etihad Airways
  • 14/6-1/7
  • 2 total stops
  • 71h 45m total
  • Sydney to London
Air China
  • Air China
  • 7/8
  • 2 total stops
  • 33h 35m total
  • Sydney to London
Highest demand for flights based on searches. 7% potential increase in price (£57 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip 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 858,174 searches. Data last updated 18 May 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

Tue 28/7

14:50-06:30

1 stop24h 40m

London Heathrow

Thu 13/8

21:55-06:10

1 stop23h 15m

£1,062

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 15/8

10:00-18:40

3 stops41h 40m

London Heathrow

Sun 16/8

21:20-08:00

3 stops49h 40m

£1,139

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 30/7

22:10-19:10

2 stops30h 00m

London Heathrow

Thu 10/9

20:50-09:40

2 stops51h 50m

£1,180
Fastest return journey

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 4/11

06:00-18:20

1 stop23h 20m

London Heathrow

Wed 4/11

20:20-07:00

1 stop23h 40m

£1,288

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 22/6

09:15-19:10

2 stops42h 55m

London Heathrow

Sun 2/8

08:25-06:25

2 stops37h 00m

£1,322

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 31/7

22:10-16:30

1 stop27h 20m

London Heathrow

Fri 14/8

21:10-20:00

2 stops37h 50m

£1,369

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 9/9

07:40-06:20

1 stop31h 40m

London Heathrow

Sat 10/10

12:20-07:45

2 stops33h 25m

£1,371

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 25/7

10:00-18:40

3 stops41h 40m

London Heathrow

Sat 1/8

21:20-08:05

3 stops49h 45m

£1,384

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 30/8

20:45-15:05

2 stops51h 20m

London Heathrow

Sun 13/9

17:00-18:50

2 stops40h 50m

£1,394

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 30/8

18:15-16:30

2 stops31h 15m

London Heathrow

Sat 3/10

21:10-11:45

1 stop28h 35m

£1,448

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 24 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?

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 £809). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,309). 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 18 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to London Heathrow Airport as you normally would.

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 18 May 2026.
See what other customers who have flown with Emirates,Qantas Airways, andEtihad Airways from Sydney to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.3

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

Crew

8.3

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

Crew

8.3

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

Crew

8.3

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

Crew

8.3

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

Crew

8.3

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

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?

    For a flight from Sydney to London Heathrow, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 3 outbound flights to London Heathrow per day. 14 airlines have flights to London Heathrow from Sydney Kingsford Smith on a regular basis.

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

    A quick flight from Sydney to London Heathrow Airport can take about 24h 40m. Qatar Airways provides one of the quickest options available for as low as £1,062. The distance between Sydney and London Heathrow Airport is about 10568 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Sydney to London Heathrow Airport is Turkish Airlines. Our recent data shows that you can find tickets from as low as £621 on this airline. Additional options worth looking into are China Eastern and China Southern, starting at £633 and £634 round-trip. Turkish Airlines is currently priced 37% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Hainan Airlines. According to our data, you can fly for as low as £190. Users have also found prices from £196 and £208 on China Southern and Air China, respectively.

  • 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 £809). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,309). 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
Milton Keynes
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 858,174 searches. Data last updated 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£621Average£986FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China EasternCheapest£633Average£792FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£634Average£1,098FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£679Average£889FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£693Average£882FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£694Average£898FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£809Average£1,042FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Cathay PacificCheapest£812Average£1,175FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EmiratesCheapest£837Average£1,111FlexibilityNo cancel feeOn-time75%
Search Emirates flights
British AirwaysCheapest£866Average£1,255FlexibilityNo cancel feeOn-time70%
Search British Airways 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?

Cheapflights helps you search for flights from Sydney to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Heathrow for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Heathrow flexibly with Cheapflights today.

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.

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