Cheap flights from Sydney to London Heathrow Airport from £340
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
6 Oct — 13 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in February or November, booked 51 days in advance, depart on a Monday or Wednesday and return on a Monday
Cheap flight deals from Sydney to Heathrow
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
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 6 September 2026.
Mon 19/1012:00 -
1 stop40h 40m
Mon 26/1021:00 -
1 stop29h 35m
Deal found 4/9£760
Sun 8/1115:15 -
1 stop38h 20m
Wed 11/1122:00 -
1 stop28h 35m
Deal found 31/8£761
Thu 10/921:00 -
2 stops31h 30m
Wed 16/921:00 -
2 stops37h 25m
Deal found 5/9£763
Thu 29/1021:00 -
2 stops31h 45m
Tue 17/1121:30 -
2 stops29h 05m
Deal found 2/9£764
Tue 29/920:50 -
1 stop24h 55m
Tue 1/1221:00 -
1 stop26h 00m
Deal found 4/9£765
Thu 1/1021:00 -
2 stops31h 30m
Sat 31/1021:30 -
2 stops29h 05m
Deal found 5/9£766
Thu 22/1021:35 -
1 stop31h 10m
Wed 4/1115:45 -
3 stops34h 50m
Deal found 1/9£767
Tue 20/1021:00 -
1 stop32h 30m
Thu 5/1121:30 -
2 stops35h 50m
Deal found 4/9£768
Wed 25/1121:30 -
1 stop31h 00m
Wed 30/1221:00 -
1 stop23h 20m
Deal found 3/9£769
Best flights from Sydney to Heathrow
Discover carefully curated flight deals from Sydney to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.
Fri 9/1022:05 -
2 stops47h 35m
Wed 28/1016:30 -
2 stops39h 55m
Deal found 1/9£864
Tue 2/315:15 -
1 stop25h 20m
Mon 15/321:10 -
2 stops26h 40m
Deal found 5/9£900
Wed 7/1015:50 -
1 stop24h 40m
Thu 22/1019:25 -
1 stop25h 45m
Deal found 4/9£1,105
Tue 1/1216:30 -
2 stops29h 15m
Wed 9/1217:05 -
3 stops27h 20m
Deal found 31/8£1,530
Sun 8/1121:35 -
2 stops34h 30m
Sat 14/1106:25 -
2 stops26h 00m
Deal found 1/9£873
Sun 8/1121:35 -
2 stops28h 20m
Wed 11/1106:25 -
2 stops26h 00m
Deal found 4/9£929
Sun 25/1008:05 -
3 stops36h 40m
Sun 8/1122:40 -
2 stops33h 45m
Deal found 5/9£1,085
Fri 23/1022:05 -
2 stops27h 55m
Fri 13/1106:25 -
2 stops26h 00m
Deal found 31/8£984
Thu 8/1018:40 -
3 stops34h 40m
Thu 29/1021:20 -
3 stops49h 05m
Deal found 3/9£1,159
Thu 15/1018:40 -
3 stops34h 40m
Thu 22/1021:35 -
3 stops48h 00m
Deal found 31/8£1,164
Direct flights from Sydney to Heathrow
Explore direct flight options from Sydney to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 September 2026.
Sun 15/1116:20 -
Nonstop24h 05m
Sat 28/1121:00 -
Nonstop22h 55m
Deal found 3/9£1,017
Thu 15/1015:35 -
Nonstop24h 00m
Sun 15/1121:00 -
Nonstop22h 55m
Deal found 3/9£1,022
Sun 15/1116:20 -
Nonstop24h 05m
Mon 30/1121:00 -
Nonstop22h 55m
Deal found 2/9£1,024
Mon 2/1116:20 -
Nonstop24h 05m
Wed 25/1121:00 -
Nonstop22h 55m
Deal found 31/8£1,025
Thu 19/1116:20 -
Nonstop24h 05m
Mon 30/1121:00 -
Nonstop22h 55m
Deal found 3/9£1,027
Tue 10/1116:20 -
Nonstop24h 05m
Sat 28/1121:00 -
Nonstop22h 55m
Deal found 1/9£1,028
Mon 2/1116:20 -
Nonstop24h 05m
Tue 17/1121:00 -
Nonstop22h 55m
Deal found 1/9£1,030
Wed 3/216:20 -
Nonstop24h 05m
Wed 17/221:00 -
Nonstop22h 55m
Deal found 31/8£1,033
Wed 14/1015:35 -
Nonstop24h 00m
Wed 24/221:00 -
Nonstop22h 55m
Deal found 2/9£1,042
Wed 18/1116:20 -
Nonstop24h 05m
Mon 30/1121:00 -
Nonstop22h 55m
Deal found 3/9£1,043
Tue 3/1116:20 -
Nonstop24h 05m
Sat 7/1121:00 -
Nonstop22h 55m
Deal found 4/9£1,046
Thu 5/1116:20 -
Nonstop24h 05m
Thu 19/1121:00 -
Nonstop22h 55m
Deal found 2/9£1,059
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 6 September 2026 and is based on user searches.
Thu 10/921:00 -
2 stops31h 30m
Wed 16/921:00 -
2 stops37h 25m
Deal found 5/9£763
Tue 29/920:50 -
1 stop24h 55m
Tue 1/1221:00 -
1 stop26h 00m
Deal found 4/9£765
Thu 1/1021:00 -
2 stops31h 30m
Sat 31/1021:30 -
2 stops29h 05m
Deal found 5/9£766
Thu 8/1021:00 -
2 stops32h 30m
Thu 29/1021:30 -
2 stops35h 50m
Deal found 2/9£769
Tue 13/1021:00 -
1 stop32h 30m
Sat 31/1022:00 -
1 stop28h 35m
Deal found 4/9£770
Mon 19/1012:00 -
1 stop40h 40m
Mon 26/1021:00 -
1 stop29h 35m
Deal found 4/9£760
Tue 20/1021:00 -
1 stop32h 30m
Thu 5/1121:30 -
2 stops35h 50m
Deal found 4/9£768
Thu 22/1021:35 -
1 stop31h 10m
Wed 4/1115:45 -
3 stops34h 50m
Deal found 1/9£767
Thu 29/1021:00 -
2 stops31h 45m
Tue 17/1121:30 -
2 stops29h 05m
Deal found 2/9£764
One-way flights from Sydney to Heathrow
Search for one-way flight options from Sydney to Heathrow. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.
Tue 29/920:50 -
1 stop30h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£340
Thu 22/1021:00 -
2 stops32h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£342
Thu 22/1012:25 -
1 stop28h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£342
Sun 28/215:15 -
1 stop38h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£344
Thu 1/1021:00 -
2 stops31h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£345
Thu 22/1012:00 -
1 stop40h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£345
Thu 1/1020:50 -
1 stop24h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£346
Mon 19/1021:30 -
1 stop31h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£347
Wed 30/910:05 -
1 stop42h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£348
Thu 1/1010:05 -
1 stop42h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£349
Tue 23/221:00 -
1 stop30h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£350
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 6 September 2026.
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 7,457,451 searches. Data last updated 6 September 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
Fastest return journey
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 12/10
21:35-12:45
1 stop25h 10m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£383
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 19/10
21:35-15:05
1 stop27h 30m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£383
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 2/11
11:50-07:15
1 stop30h 25m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£406
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Tue 17/11
21:35-21:05
2 stops34h 30m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£414
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Tue 27/10
21:35-16:20
2 stops29h 45m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£415
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 20/11
21:35-14:15
2 stops27h 40m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£465
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 19/10
18:15-15:15
2 stops31h 00m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£521
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 28/9
09:50-12:25
2 stops35h 35m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£546
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 2/11
15:30-19:05
3 stops38h 35m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£588
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Tue 1/12
11:50-07:15
2 stops30h 25m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£601
Flights are sorted by cheapest return flights first.
Deals found on 1/9
Showing 1-10 of 21 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.
SYD-LHR
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
Prices
Airlines
More
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 £814). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,390). 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 6 September 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?
Airfare is below average for this route at the moment.
Sydney to London Heathrow Airport flights typically cost between £961 and £1,340 in October.The cheapest return price found within the last 5 days was £760 on China Eastern (19 Oct–26 Oct).
Weekly flight availability from Sydney to London Heathrow Airport
Explore weekly flight availability from Sydney to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 September 2026.
The most flights from SYD to LHR are scheduled on a Thursday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
What’s the top stopover airport for flights from Sydney to London Heathrow Airport?
Share of one-stop return flights from Sydney to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Abu Dhabi (AUH) – chosen by Cheapflights users on 32% of one-stop itineraries from Sydney to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to London Heathrow Airport?
Average return fare for one-stop flights from Sydney to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Taipei City (TPE) is the most affordable one-stop option, with an average return flight price of £780.
What’s the fastest stopover option from Sydney to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Sydney to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 24h 37m.
Which airport typically offers the quickest stopover for flights from Sydney to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Sydney to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 1h 39m.
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 6 September 2026.
See what other customers who have flown with Singapore Airlines,Emirates, andQantas 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.
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?
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. 10 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 47h 35m. Turkish Airlines provides one of the quickest options available for as low as £864. The distance between Sydney and London Heathrow Airport is about 10568 mi.
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 Air China. Our recent data shows that you can find tickets from as low as £635 on this airline. Additional options worth looking into are Etihad Airways and British Airways, starting at £680 and £797 round-trip. Air China is currently priced 38% 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 £187. Users have also found prices from £193 and £197 on China Southern and Air China, respectively.
What are the cheapest flights from Sydney to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £840. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £692 on average, our data indicates £1,457 when flying from Sydney to London Heathrow Airport.
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 £814). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,390). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 September 2026.
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 7,457,451 searches. Data last updated 6 September 2026.
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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