Cheap flights from Sydney to London Heathrow Airport from £312
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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
14 Dec — 21 Dec1
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 20 days in advance, depart on a Friday or Tuesday and return on a Monday
Cheap 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 14 November 2025.
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 14 November 2025.
Wed 12/1116:35SYD - LHR
1 stop25h 05mMultiple Airlines
Sun 16/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 11/11£720
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sun 23/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 11/11£721
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Mon 17/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 12/11£722
Tue 11/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 22/1121:10LHR - SYD
2 stops47h 55mMultiple Airlines
Deal found 10/11£723
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Wed 26/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 11/11£724
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 17/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 12/11£726
Wed 19/1107:15SYD - LHR
3 stops42h 10mMultiple Airlines
Wed 26/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 12/11£727
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 10/11£730
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Tue 25/1117:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 11/11£730
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Wed 26/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 11/11£731
Tue 11/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sun 23/1121:10LHR - SYD
2 stops47h 55mMultiple Airlines
Deal found 10/11£733
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 14 November 2025.
Tue 3/322:10SYD - LHR
1 stop29h 45mChina Airlines
Sat 7/321:15LHR - SYD
1 stop28h 00mChina Airlines
Deal found 13/11£738
Sun 1/221:15SYD - LHR
2 stops27h 15mTurkish Airlines
Mon 23/215:05LHR - SYD
2 stops41h 15mTurkish Airlines
Deal found 12/11£842
Mon 4/510:15SYD - LHR
1 stop40h 35mVietnam Airlines
Wed 20/518:55LHR - SYD
2 stops28h 20mVietnam Airlines
Deal found 13/11£850
Thu 7/514:50SYD - LHR
2 stops26h 30mAustrian Airlines
Mon 18/519:30LHR - SYD
2 stops29h 50mAustrian Airlines
Deal found 13/11£856
Tue 5/521:30SYD - LHR
1 stop30h 15mEtihad Airways
Wed 13/520:55LHR - SYD
1 stop24h 15mEtihad Airways
Deal found 13/11£862
Sun 1/221:15SYD - LHR
2 stops27h 15mTurkish Airlines
Thu 26/217:45LHR - SYD
2 stops38h 35mTurkish Airlines
Deal found 12/11£842
Mon 11/510:15SYD - LHR
1 stop40h 35mVietnam Airlines
Mon 18/518:55LHR - SYD
2 stops52h 20mVietnam Airlines
Deal found 13/11£850
Sun 29/322:10SYD - LHR
2 stops27h 10mTurkish Airlines
Thu 30/406:30LHR - SYD
2 stops27h 45mTurkish Airlines
Deal found 12/11£854
Wed 6/510:15SYD - LHR
1 stop39h 40mVietnam Airlines
Mon 11/518:55LHR - SYD
2 stops28h 20mVietnam Airlines
Deal found 13/11£861
Thu 5/322:15SYD - LHR
2 stops33h 50mTurkish Airlines
Mon 9/322:35LHR - SYD
2 stops33h 45mTurkish Airlines
Deal found 13/11£869
Mon 11/514:15SYD - LHR
2 stops36h 35mVietnam Airlines
Wed 20/518:55LHR - SYD
2 stops28h 20mVietnam Airlines
Deal found 13/11£881
Tue 5/510:15SYD - LHR
2 stops39h 40mVietnam Airlines
Wed 20/518:55LHR - SYD
2 stops28h 20mVietnam Airlines
Deal found 13/11£885
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 14 November 2025.
Tue 27/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Mon 9/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 12/11£964
Tue 25/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 7/1220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 12/11£965
Sun 8/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 31/320:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 11/11£966
Tue 3/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 30/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 12/11£979
Tue 12/514:50SYD - LHR
Nonstop24h 45mQantas Airways
Thu 14/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 12/11£980
Mon 4/514:50SYD - LHR
Nonstop24h 45mQantas Airways
Sun 7/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 12/11£980
Mon 11/514:50SYD - LHR
Nonstop24h 45mQantas Airways
Mon 15/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 11/11£981
Mon 2/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Mon 16/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 12/11£982
Tue 10/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 14/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 12/11£983
Fri 30/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 24/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 11/11£984
Sun 1/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 14/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 11/11£985
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 14 November 2025 and is based on user searches.
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sun 23/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 11/11£721
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 17/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 12/11£726
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Tue 25/1117:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 11/11£730
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Wed 26/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 11/11£731
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Sat 22/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 10/11£736
Sat 15/1121:00SYD - LHR
1 stop31h 55mHainan Airlines
Sun 23/1121:15LHR - SYD
1 stop30h 40mHainan Airlines
Deal found 11/11£720
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Mon 17/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 12/11£722
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Wed 26/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 11/11£724
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 10/11£730
Wed 19/1107:15SYD - LHR
3 stops42h 10mMultiple Airlines
Wed 26/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 12/11£727
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 14 November 2025.
Tue 24/321:00SYD - LHR
1 stop30h 20mHainan Airlines
Deal found 12/11£312
Tue 10/321:00SYD - LHR
1 stop30h 20mHainan Airlines
Deal found 13/11£313
Tue 3/321:00SYD - LHR
1 stop30h 20mHainan Airlines
Deal found 12/11£315
Tue 10/321:50SYD - LHR
3 stops55h 05mMultiple Airlines
Deal found 13/11£317
Sun 8/210:45SYD - LHR
3 stops42h 50mMultiple Airlines
Deal found 12/11£318
Tue 10/221:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 11/11£319
Mon 9/215:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 10/11£320
Sun 18/113:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 10/11£324
Sun 15/213:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 11/11£324
Mon 9/213:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 10/11£325
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 14 November 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
Tue 3/3
22:10-16:55
1 stop29h 45m
London Heathrow
Sat 7/3
21:15-12:15
1 stop28h 00m
£738
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 1/2
21:15-13:30
2 stops27h 15m
London Heathrow
Mon 23/2
15:05-19:20
2 stops41h 15m
£842
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 1/2
21:15-13:30
2 stops27h 15m
London Heathrow
Thu 26/2
17:45-19:20
2 stops38h 35m
£842
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 4/5
10:15-17:50
1 stop40h 35m
London Heathrow
Wed 20/5
18:55-08:15
2 stops28h 20m
£850
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 11/5
10:15-17:50
1 stop40h 35m
London Heathrow
Mon 18/5
18:55-08:15
2 stops52h 20m
£850
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 29/3
22:10-15:20
2 stops27h 10m
London Heathrow
Thu 30/4
06:30-19:15
2 stops27h 45m
£854
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 7/5
14:50-08:20
2 stops26h 30m
London Heathrow
Mon 18/5
19:30-10:20
2 stops29h 50m
£856
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 6/5
10:15-16:55
1 stop39h 40m
London Heathrow
Mon 11/5
18:55-08:15
2 stops28h 20m
£861
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 5/5
21:30-18:45
1 stop30h 15m
London Heathrow
Wed 13/5
20:55-06:10
1 stop24h 15m
£862
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 5/3
22:15-21:05
2 stops33h 50m
London Heathrow
Mon 9/3
22:35-19:20
2 stops33h 45m
£869
Flights are sorted by cheapest return flights first.
Deals found on 11/11
Showing 1-10 of 22 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 7 November 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 20 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 £613). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £935). 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 14 November 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. Wednesday 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 14 November 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 17% of one-stop itineraries from Sydney to London Heathrow Airport on Cheapflights.
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 37m.
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 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 Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 2h 00m.
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 14 November 2025.
See what other customers who have flown with Cathay Pacific, China Southern, 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 27h 15m. China Airlines provides one of the quickest options available for as low as £842. 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 £616 on this airline. Additional options worth looking into are Air China and China Eastern, starting at £683 and £693 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 China Southern. According to our data, you can fly for as low as £319. Users have also found prices from £340 and £362 on Turkish Airlines and Etihad Airways, respectively.
What are the cheapest flights from Sydney to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £673. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £583 on average, our data indicates £940 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, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of £613). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £935). 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 14 November 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 14 November 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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