Cheap flights from Sydney to London Heathrow Airport from £350
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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
8 Jan — 15 Jan1
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 October or February, booked 51 days in advance, depart on a Friday or Tuesday 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 9 December 2025.
Sun 7/1217:20SYD - LHR
1 stop36h 50mSriLankan Airlines
Thu 11/1220:40LHR - SYD
1 stop32h 10mSriLankan Airlines
Deal found 6/12£840
Thu 18/1209:55SYD - LHR
1 stop44h 05mMultiple Airlines
Wed 14/121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 6/12£866
Tue 23/1221:00SYD - LHR
1 stop30h 20mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 6/12£918
Sun 14/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 7/12£935
Fri 12/1207:15SYD - LHR
2 stops35h 00mMultiple Airlines
Fri 26/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 8/12£939
Sun 28/1221:00SYD - LHR
2 stops31h 55mMultiple Airlines
Wed 14/121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 8/12£946
Sun 21/1219:40SYD - LHR
2 stops33h 15mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 7/12£947
Tue 23/1221:00SYD - LHR
1 stop30h 20mMultiple Airlines
Tue 17/213:55LHR - SYD
1 stop41h 00mMultiple Airlines
Deal found 7/12£970
Tue 16/1221:00SYD - LHR
1 stop30h 20mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 8/12£977
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 9 December 2025.
Sun 22/322:10SYD - LHR
1 stop29h 45mChina Airlines
Wed 8/421:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 7/12£828
Mon 2/321:15SYD - LHR
2 stops29h 55mTurkish Airlines
Wed 18/319:55LHR - SYD
2 stops36h 25mTurkish Airlines
Deal found 7/12£846
Fri 27/221:45SYD - LHR
1 stop25h 20mEtihad Airways
Sat 14/320:55LHR - SYD
1 stop22h 40mEtihad Airways
Deal found 7/12£857
Sat 2/514:15SYD - LHR
1 stop36h 35mVietnam Airlines
Wed 4/1111:00LHR - SYD
2 stops35h 50mVietnam Airlines
Deal found 7/12£864
Sat 30/509:30SYD - LHR
1 stop42h 20mAsiana Airlines
Tue 4/820:40LHR - SYD
1 stop25h 50mAsiana Airlines
Deal found 6/12£868
Fri 22/521:10SYD - LHR
2 stops27h 10mTurkish Airlines
Tue 26/506:30LHR - SYD
2 stops27h 45mTurkish Airlines
Deal found 5/12£856
Sun 26/409:30SYD - LHR
1 stop42h 20mAsiana Airlines
Thu 21/520:40LHR - SYD
1 stop25h 50mAsiana Airlines
Deal found 7/12£873
Sat 30/510:15SYD - LHR
2 stops40h 35mVietnam Airlines
Tue 4/819:50LHR - SYD
1 stop27h 25mVietnam Airlines
Deal found 7/12£914
Wed 25/321:15SYD - LHR
2 stops29h 55mTurkish Airlines
Thu 23/406:30LHR - SYD
2 stops27h 45mTurkish Airlines
Deal found 6/12£872
Wed 29/410:15SYD - LHR
1 stop39h 40mVietnam Airlines
Sun 1/1111:00LHR - SYD
2 stops35h 50mVietnam Airlines
Deal found 7/12£915
Fri 27/212:45SYD - LHR
2 stops36h 25mTurkish Airlines
Thu 12/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 7/12£874
Tue 7/421:10SYD - LHR
2 stops27h 10mTurkish Airlines
Thu 16/416:55LHR - SYD
2 stops31h 50mTurkish Airlines
Deal found 7/12£886
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 9 December 2025.
Thu 29/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Wed 18/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/12£985
Wed 4/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Wed 1/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 8/12£999
Wed 22/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Wed 27/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 7/12£1,001
Mon 2/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Mon 16/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/12£1,002
Fri 6/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 10/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 7/12£1,005
Tue 28/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Wed 3/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 5/12£1,012
Sun 3/514:45SYD - LHR
Nonstop24h 50mQantas Airways
Sun 31/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 6/12£1,015
Sun 1/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 14/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/12£1,019
Wed 29/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Fri 22/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 8/12£1,020
Sat 7/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 15/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/12£1,021
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 9 December 2025 and is based on user searches.
Thu 15/121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Thu 28/522:10LHR - SYD
1 stop36h 30mMultiple Airlines
Deal found 8/12£778
Thu 15/121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Wed 27/522:10LHR - SYD
1 stop36h 30mMultiple Airlines
Deal found 8/12£783
Thu 15/121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Fri 29/521:00LHR - SYD
2 stops37h 40mMultiple Airlines
Deal found 8/12£784
Mon 19/120:40SYD - LHR
2 stops34h 35mAir China
Tue 3/217:40LHR - SYD
1 stop34h 50mAir China
Deal found 7/12£789
Wed 21/120:05SYD - LHR
2 stops37h 20mMultiple Airlines
Wed 28/121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 7/12£786
Sun 25/121:30SYD - LHR
1 stop31h 00mChina Eastern
Fri 30/121:00LHR - SYD
1 stop29h 35mChina Eastern
Deal found 8/12£795
Mon 26/120:40SYD - LHR
1 stop30h 15mAir China
Wed 18/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 6/12£791
Mon 26/121:45SYD - LHR
1 stop27h 45mEtihad Airways
Sun 8/219:20LHR - SYD
1 stop35h 35mEtihad Airways
Deal found 6/12£794
Tue 27/120:40SYD - LHR
1 stop30h 15mAir China
Wed 11/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 7/12£785
Sat 31/114:00SYD - LHR
1 stop38h 50mAir China
Sun 15/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 8/12£793
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 9 December 2025.
Sun 15/311:25SYD - LHR
1 stop40h 35mChina Southern
Deal found 8/12£350
Tue 3/321:50SYD - LHR
3 stops33h 40mMultiple Airlines
Deal found 6/12£352
Fri 23/113:35SYD - LHR
3 stops54h 05mMultiple Airlines
Deal found 6/12£353
Fri 13/311:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 8/12£356
Sun 22/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 6/12£356
Thu 5/213:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 6/12£359
Mon 4/510:15SYD - LHR
1 stop40h 35mVietnam Airlines
Deal found 5/12£359
Fri 6/215:10SYD - LHR
2 stops37h 20mChina Eastern
Deal found 7/12£362
Fri 16/120:40SYD - LHR
2 stops34h 00mAir China
Deal found 7/12£364
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 9 December 2025.
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 9 December 2025.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.
Fly from
Sydney
Fly to
Heathrow
Route
Depart
Return
Price
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 22/3
22:10-16:55
1 stop29h 45m
London Heathrow
Wed 8/4
21:10-10:45
1 stop28h 35m
£828
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 2/3
21:15-16:10
2 stops29h 55m
London Heathrow
Wed 18/3
19:55-19:20
2 stops36h 25m
£846
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 22/5
21:10-15:20
2 stops27h 10m
London Heathrow
Tue 26/5
06:30-19:15
2 stops27h 45m
£856
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 27/2
21:45-12:05
1 stop25h 20m
London Heathrow
Sat 14/3
20:55-06:35
1 stop22h 40m
£857
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 2/5
14:15-17:50
1 stop36h 35m
London Heathrow
Wed 4/11
11:00-09:50
2 stops35h 50m
£864
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 30/5
09:30-18:50
1 stop42h 20m
London Heathrow
Tue 4/8
20:40-07:30
1 stop25h 50m
£868
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 25/3
21:15-16:10
2 stops29h 55m
London Heathrow
Thu 23/4
06:30-19:15
2 stops27h 45m
£872
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 26/4
09:30-18:50
1 stop42h 20m
London Heathrow
Thu 21/5
20:40-07:30
1 stop25h 50m
£873
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 27/2
12:45-14:10
2 stops36h 25m
London Heathrow
Thu 12/3
06:35-19:20
2 stops25h 45m
£874
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 7/4
21:10-15:20
2 stops27h 10m
London Heathrow
Thu 16/4
16:55-09:45
2 stops31h 50m
£886
Flights are sorted by cheapest return flights first.
Deals found on 8/12
Showing 1-10 of 20 results
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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.
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?
Use this chart to determine the optimal time to book a return flight from Sydney to Heathrow. Price data was last updated on 5 December 2025.
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 51 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, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of £604). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £921). 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 9 December 2025.
It’s optimal to fly from Sydney to London Heathrow Airport in the morning. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Sydney to London Heathrow Airport?
Use this chart to determine the cheapest time to fly return from Sydney to Heathrow. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to London Heathrow Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Sydney to London Heathrow Airport?
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 9 December 2025.
The most flights from SYD to LHR are scheduled on a Monday (3 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.
Hong Kong (HKG) – chosen by Cheapflights users on 19% 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.
Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £826.
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: 23h 31m.
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 Istanbul (IST) offer the fastest connection on this route, with an average stopover time of 2h 06m.
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 9 December 2025.
See what other customers who have flown with Cathay Pacific, 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.
Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
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 25h 20m. China Airlines provides one of the quickest options available for as low as £857. 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 China Southern. Our recent data shows that you can find tickets from as low as £608 on this airline. Additional options worth looking into are Air China and China Eastern, starting at £674 and £684 round-trip. China Southern 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 Etihad Airways. According to our data, you can fly for as low as £258. Users have also found prices from £293 and £305 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, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of £604). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £921). 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 9 December 2025.
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 9 December 2025.
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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