Cheap flights from Sydney to London Heathrow Airport from £349
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
17 Oct — 24 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 May, booked 89 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.
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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 17 September 2026.
Thu 29/1021:00 -
2 stops31h 45m
Thu 5/1121:00 -
2 stops49h 05m
Deal found 12/9£760
Sat 3/1020:50 -
1 stop24h 55m
Wed 18/1121:00 -
1 stop26h 00m
Deal found 13/9£761
Thu 15/1020:40 -
1 stop33h 45m
Mon 26/1020:25 -
1 stop24h 40m
Deal found 16/9£762
Sun 8/1115:15 -
1 stop38h 20m
Thu 26/1122:00 -
1 stop24h 25m
Deal found 14/9£763
Sun 8/1115:15 -
1 stop38h 20m
Wed 11/1122:00 -
1 stop28h 35m
Deal found 15/9£764
Sat 24/1011:00 -
2 stops41h 30m
Mon 9/1121:00 -
1 stop29h 35m
Deal found 16/9£764
Thu 1/1014:20 -
1 stop38h 00m
Thu 22/1022:10 -
1 stop29h 15m
Deal found 14/9£765
Wed 7/1021:30 -
1 stop31h 10m
Wed 21/1021:20 -
1 stop30h 15m
Deal found 13/9£766
Mon 19/1012:00 -
1 stop40h 40m
Mon 26/1021:00 -
1 stop29h 35m
Deal found 13/9£767
Sat 24/1021:35 -
1 stop31h 35m
Mon 9/1111:45 -
2 stops34h 40m
Deal found 14/9£767
Fri 23/1011:05 -
3 stops41h 35m
Mon 2/1121:00 -
1 stop29h 35m
Deal found 14/9£768
Sat 17/1011:00 -
3 stops41h 40m
Wed 21/1021:20 -
2 stops49h 40m
Deal found 17/9£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 17 September 2026.
Fri 9/1022:05 -
2 stops27h 05m
Tue 27/1017:55 -
2 stops38h 30m
Deal found 13/9£925
Fri 9/1011:15 -
2 stops64h 35m
Wed 28/1011:00 -
1 stop39h 15m
Deal found 13/9£1,055
Thu 29/1013:30 -
2 stops38h 25m
Sat 7/1121:15 -
1 stop28h 00m
Deal found 15/9£1,130
Sun 18/1006:00 -
2 stops43h 15m
Sat 24/1022:15 -
2 stops48h 00m
Deal found 13/9£1,176
Sat 24/1011:15 -
2 stops30h 10m
Mon 9/1114:15 -
2 stops32h 35m
Deal found 12/9£1,214
Thu 5/1119:50 -
3 stops34h 15m
Thu 19/1121:20 -
3 stops49h 05m
Deal found 12/9£1,219
Sat 24/1010:15 -
2 stops54h 40m
Mon 9/1108:25 -
2 stops26h 30m
Deal found 12/9£1,275
Tue 8/1211:20 -
2 stops29h 35m
Sun 10/111:35 -
2 stops31h 45m
Deal found 14/9£1,350
Wed 16/1216:50 -
1 stop24h 50m
Wed 17/219:20 -
1 stop24h 10m
Deal found 13/9£1,455
Fri 11/1221:35 -
2 stops28h 20m
Thu 18/222:40 -
2 stops33h 45m
Deal found 13/9£971
Sun 13/1221:35 -
2 stops28h 20m
Thu 14/106:25 -
2 stops26h 00m
Deal found 15/9£1,135
Fri 18/1221:35 -
2 stops27h 40m
Fri 8/106:25 -
2 stops26h 00m
Deal found 12/9£1,526
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 17 September 2026.
Tue 3/1116:20 -
Nonstop24h 05m
Wed 11/1121:00 -
Nonstop22h 55m
Deal found 13/9£980
Mon 9/1116:20 -
Nonstop24h 05m
Thu 19/1121:00 -
Nonstop22h 55m
Deal found 12/9£997
Sun 8/1116:20 -
Nonstop24h 05m
Sun 29/1121:00 -
Nonstop22h 55m
Deal found 14/9£1,027
Sun 15/1116:20 -
Nonstop24h 05m
Mon 30/1121:00 -
Nonstop22h 55m
Deal found 12/9£1,031
Tue 3/1116:20 -
Nonstop24h 05m
Tue 24/1121:00 -
Nonstop22h 55m
Deal found 13/9£1,051
Tue 20/1015:35 -
Nonstop24h 00m
Tue 10/1121:00 -
Nonstop22h 55m
Deal found 14/9£1,052
Wed 4/1116:20 -
Nonstop24h 05m
Sun 22/1121:00 -
Nonstop22h 55m
Deal found 15/9£1,053
Tue 10/1116:20 -
Nonstop24h 05m
Tue 24/1121:00 -
Nonstop22h 55m
Deal found 14/9£1,058
Tue 27/1016:20 -
Nonstop24h 05m
Tue 3/1121:00 -
Nonstop22h 55m
Deal found 13/9£1,072
Fri 13/1116:20 -
Nonstop24h 05m
Sat 28/1121:00 -
Nonstop22h 55m
Deal found 14/9£1,103
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 17 September 2026 and is based on user searches.
Tue 22/920:35 -
1 stop43h 55m
Tue 29/921:45 -
1 stop36h 20m
Deal found 17/9£784
Tue 22/920:35 -
1 stop43h 55m
Fri 2/1009:45 -
1 stop24h 20m
Deal found 16/9£785
Tue 22/920:35 -
1 stop43h 55m
Tue 29/921:20 -
3 stops49h 40m
Deal found 17/9£802
Wed 23/920:35 -
1 stop43h 55m
Wed 30/920:35 -
1 stop37h 30m
Deal found 15/9£785
Wed 23/920:35 -
1 stop43h 55m
Sun 27/921:20 -
3 stops49h 40m
Deal found 16/9£800
Wed 23/920:35 -
1 stop31h 25m
Thu 29/1021:00 -
1 stop29h 35m
Deal found 17/9£814
Sun 27/920:35 -
1 stop47h 55m
Thu 1/1020:35 -
1 stop37h 30m
Deal found 13/9£790
Sun 27/920:35 -
1 stop43h 55m
Sun 4/1009:45 -
1 stop24h 20m
Deal found 12/9£791
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 17 September 2026.
Mon 12/1014:00 -
3 stops38h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£349
Thu 1/1021:00 -
2 stops31h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£350
Thu 1/1020:35 -
1 stop31h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£350
Mon 28/920:35 -
1 stop31h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£352
Wed 23/920:35 -
1 stop31h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£352
Tue 20/1016:10 -
2 stops37h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£354
Sun 20/920:35 -
1 stop43h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£355
Fri 2/1020:35 -
1 stop31h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£356
Tue 22/920:35 -
1 stop43h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£357
Thu 8/1021:00 -
2 stops32h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£358
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 17 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 17 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
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Thu 8/10
21:35-07:30
1 stop43h 55m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£373
Fastest return journey
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 23/10
22:05-15:10
2 stops27h 05m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£406
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Wed 7/10
22:05-09:50
2 stops45h 45m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£406
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
£414
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 16/10
22:05-11:40
2 stops47h 35m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£458
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 2/11
21:05-17:20
2 stops31h 15m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£522
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Sat 10/10
11:15-17:05
2 stops63h 50m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£527
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 9/11
11:50-07:15
2 stops54h 25m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£527
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 12/10
15:15-17:50
2 stops36h 35m
London Heathrow
Wed 31/12
00:00-09:00
Nonstop0h 00m
£538
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
£540
Flights are sorted by cheapest return flights first.
Deals found on 12/9
Showing 1-10 of 24 resultsSorted by cheapest first
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2
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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 88 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 £823). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,397). 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 17 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 £966 and £1,348 in October.The cheapest return price found within the last 5 days was £760 on Multiple Airlines (29 Oct–5 Nov).
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 17 September 2026.
The most flights from SYD to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 33% 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 £785.
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 17 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 2 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 38h 25m. Turkish Airlines provides one of the quickest options available for as low as £1,130. 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 Air China. Our recent data shows that you can find tickets from as low as £638 on this airline. Additional options worth looking into are Etihad Airways and British Airways, starting at £683 and £801 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 £188. Users have also found prices from £194 and £198 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 £695 on average, our data indicates £1,289 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 £823). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,397). 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 17 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 17 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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