Cheap flights from Sydney to London Heathrow Airport from £344
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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
16 Sep — 23 Sep1
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.
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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 August 2026.
Sun 6/911:00 -
1 stop40h 40m
Wed 16/912:35 -
1 stop35h 45m
Deal found 16/8£774
Sun 6/911:00 -
1 stop40h 40m
Wed 16/921:20 -
1 stop30h 15m
Deal found 14/8£775
Tue 18/821:00 -
1 stop31h 30m
Tue 25/821:20 -
1 stop26h 40m
Deal found 12/8£776
Tue 18/821:00 -
1 stop31h 30m
Tue 1/921:20 -
1 stop26h 40m
Deal found 12/8£776
Thu 3/921:00 -
2 stops31h 30m
Sun 13/912:35 -
1 stop35h 45m
Deal found 15/8£777
Thu 3/921:00 -
2 stops31h 30m
Sat 19/921:30 -
1 stop30h 00m
Deal found 15/8£778
Thu 3/911:00 -
1 stop40h 40m
Sun 11/1021:20 -
1 stop26h 40m
Deal found 16/8£779
Fri 16/1016:40 -
1 stop30h 05m
Sat 31/1021:30 -
2 stops48h 55m
Deal found 13/8£779
Thu 20/821:00 -
2 stops31h 30m
Mon 31/821:20 -
1 stop26h 40m
Deal found 16/8£780
Tue 22/920:50 -
1 stop24h 55m
Sun 25/1022:00 -
1 stop35h 20m
Deal found 13/8£782
Sun 8/1110:30 -
1 stop42h 20m
Sat 21/1121:35 -
2 stops47h 35m
Deal found 15/8£782
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 August 2026.
Thu 15/1022:05 -
2 stops28h 35m
Mon 19/1016:45 -
2 stops41h 25m
Deal found 13/8£869
Sun 8/1115:25 -
2 stops27h 40m
Wed 18/1117:30 -
2 stops26h 45m
Deal found 15/8£925
Fri 16/1015:35 -
1 stop25h 00m
Fri 20/1118:45 -
1 stop25h 10m
Deal found 14/8£940
Mon 14/920:50 -
1 stop24h 55m
Sun 6/1213:55 -
1 stop29h 35m
Deal found 16/8£991
Thu 1/1014:05 -
1 stop37h 05m
Mon 30/1122:05 -
2 stops32h 55m
Deal found 16/8£1,065
Mon 21/909:50 -
2 stops30h 15m
Sat 26/914:25 -
2 stops31h 20m
Deal found 14/8£1,236
Sun 22/1118:45 -
2 stops33h 10m
Sat 19/1221:15 -
2 stops31h 55m
Deal found 16/8£1,291
Sun 15/1111:45 -
2 stops53h 10m
Fri 18/1208:25 -
2 stops38h 20m
Deal found 16/8£1,299
Sun 25/1021:50 -
2 stops35h 40m
Sun 8/1122:40 -
2 stops33h 45m
Deal found 13/8£977
Sat 26/1221:10 -
1 stop27h 15m
Thu 28/121:00 -
1 stop22h 55m
Deal found 16/8£1,129
Mon 7/1222:20 -
1 stop32h 50m
Thu 14/111:00 -
1 stop22h 50m
Deal found 12/8£1,328
Thu 24/921:05 -
2 stops47h 35m
Fri 16/1016:45 -
2 stops31h 55m
Deal found 12/8£1,213
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 August 2026.
Wed 25/1116:20 -
Nonstop24h 05m
Wed 24/221:00 -
Nonstop22h 55m
Deal found 15/8£961
Sun 15/1116:20 -
Nonstop24h 05m
Thu 19/1121:00 -
Nonstop22h 55m
Deal found 12/8£991
Mon 2/1116:20 -
Nonstop24h 05m
Tue 1/1221:00 -
Nonstop22h 55m
Deal found 12/8£1,006
Wed 14/1015:35 -
Nonstop24h 00m
Tue 17/1121:00 -
Nonstop22h 55m
Deal found 13/8£1,008
Mon 23/1116:20 -
Nonstop24h 05m
Mon 30/1121:00 -
Nonstop22h 55m
Deal found 13/8£1,009
Fri 13/1116:20 -
Nonstop24h 05m
Tue 17/1121:00 -
Nonstop22h 55m
Deal found 15/8£1,010
Sat 14/1116:20 -
Nonstop24h 05m
Sat 21/1121:00 -
Nonstop22h 55m
Deal found 15/8£1,014
Mon 2/1116:20 -
Nonstop24h 05m
Mon 16/1121:00 -
Nonstop22h 55m
Deal found 16/8£1,016
Tue 3/1116:20 -
Nonstop24h 05m
Fri 27/1121:00 -
Nonstop22h 55m
Deal found 16/8£1,019
Thu 22/1015:35 -
Nonstop24h 00m
Tue 24/1121:00 -
Nonstop22h 55m
Deal found 16/8£1,021
Sun 8/1116:20 -
Nonstop24h 05m
Sun 15/1121:00 -
Nonstop22h 55m
Deal found 16/8£1,025
Thu 12/1116:20 -
Nonstop24h 05m
Mon 16/1121:00 -
Nonstop22h 55m
Deal found 14/8£1,038
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 17 August 2026 and is based on user searches.
Sun 16/820:35 -
1 stop47h 55m
Sat 12/921:45 -
1 stop36h 20m
Deal found 13/8£779
Tue 18/821:00 -
1 stop31h 30m
Tue 25/821:20 -
1 stop26h 40m
Deal found 12/8£776
Tue 18/821:00 -
1 stop31h 30m
Tue 1/921:20 -
1 stop26h 40m
Deal found 12/8£776
Thu 20/821:00 -
2 stops31h 30m
Mon 31/821:20 -
1 stop26h 40m
Deal found 16/8£780
Thu 20/821:00 -
2 stops31h 30m
Thu 27/821:20 -
1 stop26h 40m
Deal found 13/8£781
Thu 3/921:00 -
2 stops31h 30m
Sun 13/912:35 -
1 stop35h 45m
Deal found 15/8£777
Thu 3/921:00 -
2 stops31h 30m
Sat 19/921:30 -
1 stop30h 00m
Deal found 15/8£778
Thu 3/911:00 -
1 stop40h 40m
Sun 11/1021:20 -
1 stop26h 40m
Deal found 16/8£779
Sun 6/911:00 -
1 stop40h 40m
Wed 16/912:35 -
1 stop35h 45m
Deal found 16/8£774
Sun 6/911:00 -
1 stop40h 40m
Wed 16/921:20 -
1 stop30h 15m
Deal found 14/8£775
Mon 21/920:50 -
1 stop30h 55m
Sat 26/921:30 -
1 stop30h 00m
Deal found 14/8£784
Tue 22/920:50 -
1 stop24h 55m
Sun 25/1022:00 -
1 stop35h 20m
Deal found 13/8£782
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 August 2026.
Thu 22/1011:15 -
2 stops42h 05m
Deal found 12/8£344
Mon 9/1120:05 -
2 stops55h 15m
Deal found 12/8£344
Thu 3/911:00 -
1 stop40h 40m
Deal found 14/8£345
Thu 24/920:50 -
1 stop27h 15m
Deal found 13/8£346
Sun 15/1112:00 -
1 stop40h 30m
Deal found 16/8£348
Fri 23/1021:35 -
3 stops51h 25m
Deal found 12/8£349
Fri 16/1011:05 -
2 stops41h 35m
Deal found 16/8£350
Sat 3/1020:50 -
1 stop27h 15m
Deal found 15/8£352
Sat 26/920:50 -
1 stop30h 55m
Deal found 14/8£352
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 August 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 858,174 searches. Data last updated 17 August 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 15/10
22:05-16:40
2 stops28h 35m
London Heathrow
Mon 19/10
16:45-20:10
2 stops41h 25m
£869
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Sun 8/11
15:25-08:05
2 stops27h 40m
London Heathrow
Wed 18/11
17:30-07:15
2 stops26h 45m
£925
Fastest return journey
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 16/10
15:35-06:35
1 stop25h 00m
London Heathrow
Fri 20/11
18:45-06:55
1 stop25h 10m
£940
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Sun 25/10
21:50-22:30
2 stops35h 40m
London Heathrow
Sun 8/11
22:40-19:25
2 stops33h 45m
£977
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 14/9
20:50-12:45
1 stop24h 55m
London Heathrow
Sun 6/12
13:55-06:30
1 stop29h 35m
£991
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Thu 1/10
14:05-18:10
1 stop37h 05m
London Heathrow
Mon 30/11
22:05-18:00
2 stops32h 55m
£1,065
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Sat 26/12
21:10-13:25
1 stop27h 15m
London Heathrow
Thu 28/1
21:00-06:55
1 stop22h 55m
£1,129
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Thu 24/9
21:05-11:40
2 stops47h 35m
London Heathrow
Fri 16/10
16:45-10:40
2 stops31h 55m
£1,213
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 21/9
09:50-07:05
2 stops30h 15m
London Heathrow
Sat 26/9
14:25-06:45
2 stops31h 20m
£1,236
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Sun 22/11
18:45-16:55
2 stops33h 10m
London Heathrow
Sat 19/12
21:15-16:10
2 stops31h 55m
£1,291
Flights are sorted by cheapest return flights first.
Deals found on 12/8
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 £811). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,377). 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 August 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 £906 and £1,277 in September.The cheapest return price found within the last 5 days was £774 on Multiple Airlines (6 Sept–16 Sept).
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 August 2026.
The most flights from SYD to LHR are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, 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 35% 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 £779.
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 Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 24h 45m.
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 August 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 24h 55m. British Airways provides one of the quickest options available for as low as £991. 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 £634 on this airline. Additional options worth looking into are Etihad Airways and Qatar Airways, starting at £679 and £801 round-trip. Air China 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 £187. Users have also found prices from £193 and £196 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 £830. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £678 on average, our data indicates £1,359 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 £811). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £1,377). 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 August 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 858,174 searches. Data last updated 17 August 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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