Cheap flights from Sydney to London Heathrow Airport from $693
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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
4 Jan — 11 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 Monday or Tuesday and return on a Tuesday
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 5 December 2025.
Sun 7/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Wed 10/1219:45LHR - SYD
1 stop32h 35mHainan Airlines
Deal found 2/12$1,813
Tue 9/1221:00SYD - LHR
1 stop30h 20mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 3/12$1,818
Sun 14/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Wed 24/1219:45LHR - SYD
1 stop32h 35mHainan Airlines
Deal found 2/12$1,824
Wed 3/1208:45SYD - LHR
1 stop31h 40mCathay Pacific
Sun 7/1211:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 2/12$1,875
Sun 14/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 3/12$1,878
Sun 7/1217:20SYD - LHR
1 stop36h 50mSriLankan Airlines
Sun 14/1220:40LHR - SYD
1 stop32h 10mSriLankan Airlines
Deal found 2/12$1,881
Thu 4/1211:20SYD - LHR
1 stop36h 00mAmerican Airlines
Tue 20/116:55LHR - SYD
1 stop29h 05mAmerican Airlines
Deal found 3/12$1,889
Sat 6/1211:20SYD - LHR
1 stop36h 00mAmerican Airlines
Mon 8/1211:50LHR - SYD
1 stop34h 10mAmerican Airlines
Deal found 2/12$1,890
Sat 27/1220:40SYD - LHR
1 stop30h 15mAir China
Sun 1/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 3/12$1,912
Thu 11/1213:30SYD - LHR
2 stops39h 00mChina Eastern
Mon 19/121:00LHR - SYD
2 stops51h 00mChina Eastern
Deal found 2/12$1,918
Fri 5/1215:50SYD - LHR
1 stop26h 10mQatar Airways
Tue 9/1221:30LHR - SYD
1 stop22h 20mQatar Airways
Deal found 4/12$1,936
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 5 December 2025.
Fri 27/221:15SYD - LHR
2 stops27h 55mTurkish Airlines
Thu 12/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 3/12$1,629
Fri 29/522:10SYD - LHR
1 stop27h 20mChina Airlines
Sat 20/621:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 3/12$1,651
Thu 5/321:45SYD - LHR
1 stop25h 20mEtihad Airways
Sat 6/620:55LHR - SYD
1 stop24h 15mEtihad Airways
Deal found 4/12$1,736
Tue 2/609:30SYD - LHR
1 stop42h 20mAsiana Airlines
Mon 13/720:40LHR - SYD
1 stop25h 50mAsiana Airlines
Deal found 3/12$1,850
Sat 21/322:20SYD - LHR
1 stop27h 40mCathay Pacific
Fri 10/418:20LHR - SYD
1 stop40h 50mCathay Pacific
Deal found 4/12$1,890
Mon 2/221:15SYD - LHR
2 stops36h 10mTurkish Airlines
Sun 8/206:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 3/12$1,689
Wed 4/221:15SYD - LHR
2 stops27h 55mTurkish Airlines
Wed 25/219:55LHR - SYD
2 stops36h 25mTurkish Airlines
Deal found 4/12$1,700
Thu 5/213:30SYD - LHR
2 stops38h 25mChina Airlines
Wed 25/221:15LHR - SYD
1 stop28h 00mChina Airlines
Deal found 4/12$1,874
Sat 7/221:15SYD - LHR
2 stops28h 40mTurkish Airlines
Sun 22/206:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 4/12$1,700
Fri 6/321:15SYD - LHR
2 stops27h 55mTurkish Airlines
Fri 5/622:35LHR - SYD
2 stops35h 40mTurkish Airlines
Deal found 4/12$1,723
Sun 22/321:15SYD - LHR
2 stops27h 15mTurkish Airlines
Tue 14/418:30LHR - SYD
2 stops39h 45mTurkish Airlines
Deal found 4/12$1,724
Sun 1/221:15SYD - LHR
2 stops36h 10mTurkish Airlines
Tue 3/216:35LHR - SYD
2 stops30h 20mTurkish Airlines
Deal found 3/12$1,745
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 5 December 2025.
Mon 2/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Mon 16/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 1/12$1,958
Tue 20/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Wed 27/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 3/12$1,987
Mon 27/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Thu 21/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 1/12$1,990
Sun 3/514:45SYD - LHR
Nonstop24h 50mQantas Airways
Sun 31/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 3/12$1,992
Fri 30/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 24/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 2/12$1,996
Fri 27/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Thu 12/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/12$1,998
Wed 4/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Thu 19/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/12$2,002
Mon 27/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Fri 29/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 2/12$2,028
Sun 18/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Thu 12/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 2/12$2,030
Fri 30/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 20/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 2/12$2,033
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 5 December 2025 and is based on user searches.
Sun 18/120:40SYD - LHR
1 stop30h 15mAir China
Sat 31/120:25LHR - SYD
1 stop28h 35mAir China
Deal found 4/12$1,608
Mon 19/120:40SYD - LHR
1 stop30h 15mAir China
Sun 1/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 3/12$1,638
Tue 20/121:30SYD - LHR
1 stop31h 00mChina Eastern
Thu 5/221:00LHR - SYD
1 stop29h 35mChina Eastern
Deal found 3/12$1,588
Tue 20/120:40SYD - LHR
1 stop30h 15mAir China
Wed 4/217:40LHR - SYD
1 stop34h 50mAir China
Deal found 2/12$1,612
Wed 21/121:30SYD - LHR
1 stop31h 00mChina Eastern
Mon 16/221:00LHR - SYD
1 stop29h 35mChina Eastern
Deal found 3/12$1,589
Wed 21/122:15SYD - LHR
1 stop28h 10mMultiple Airlines
Sun 24/522:10LHR - SYD
1 stop25h 15mMultiple Airlines
Deal found 3/12$1,629
Thu 22/120:40SYD - LHR
1 stop32h 10mAir China
Thu 29/117:40LHR - SYD
1 stop31h 20mAir China
Deal found 2/12$1,620
Thu 22/120:05SYD - LHR
2 stops30h 20mMultiple Airlines
Mon 25/522:10LHR - SYD
1 stop36h 30mMultiple Airlines
Deal found 3/12$1,639
Sat 24/114:00SYD - LHR
1 stop36h 55mAir China
Fri 30/120:25LHR - SYD
1 stop28h 35mAir China
Deal found 3/12$1,594
Sat 24/110:30SYD - LHR
1 stop42h 00mChina Eastern
Sun 15/221:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 3/12$1,609
Sat 31/114:00SYD - LHR
1 stop38h 50mAir China
Wed 4/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 2/12$1,585
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 5 December 2025.
Mon 11/511:20SYD - LHR
2 stops40h 20mChina Eastern
Deal found 2/12$693
Wed 18/321:15SYD - LHR
2 stops47h 40mTurkish Airlines
Deal found 2/12$694
Mon 2/321:50SYD - LHR
3 stops32h 05mMultiple Airlines
Deal found 1/12$696
Wed 11/321:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 2/12$697
Sat 31/114:00SYD - LHR
1 stop38h 50mAir China
Deal found 2/12$699
Sun 15/221:15SYD - LHR
2 stops34h 50mTurkish Airlines
Deal found 2/12$702
Tue 20/121:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 2/12$703
Sun 25/121:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 3/12$705
Wed 11/221:15SYD - LHR
2 stops27h 55mTurkish Airlines
Deal found 4/12$706
Mon 9/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 3/12$708
Fri 6/211:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 2/12$709
Sun 25/111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 2/12$711
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 5 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 647,157 searches. Data last updated 5 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
Fri 27/2
21:15-14:10
2 stops27h 55m
London Heathrow
Thu 12/3
06:35-19:20
2 stops25h 45m
$1,629
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 29/5
22:10-16:30
1 stop27h 20m
London Heathrow
Sat 20/6
21:10-10:45
1 stop28h 35m
$1,651
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 2/2
21:15-22:25
2 stops36h 10m
London Heathrow
Sun 8/2
06:35-19:20
2 stops25h 45m
$1,689
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 4/2
21:15-14:10
2 stops27h 55m
London Heathrow
Wed 25/2
19:55-19:20
2 stops36h 25m
$1,700
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 7/2
21:15-14:55
2 stops28h 40m
London Heathrow
Sun 22/2
06:35-19:20
2 stops25h 45m
$1,700
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 6/3
21:15-14:10
2 stops27h 55m
London Heathrow
Fri 5/6
22:35-19:15
2 stops35h 40m
$1,723
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 22/3
21:15-13:30
2 stops27h 15m
London Heathrow
Tue 14/4
18:30-19:15
2 stops39h 45m
$1,724
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 5/3
21:45-12:05
1 stop25h 20m
London Heathrow
Sat 6/6
20:55-06:10
1 stop24h 15m
$1,736
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 1/2
21:15-22:25
2 stops36h 10m
London Heathrow
Tue 3/2
16:35-09:55
2 stops30h 20m
$1,745
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 2/6
09:30-18:50
1 stop42h 20m
London Heathrow
Mon 13/7
20:40-07:30
1 stop25h 50m
$1,850
Flights are sorted by cheapest return flights first.
Deals found on 4/12
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 28 November 2025.
To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 $1,220). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,862). 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 5 December 2025.
It’s optimal to fly from Sydney to London Heathrow Airport in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at midday.
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 Monday evenings when fares are most often at their lowest. Friday at midday 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 5 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.
Singapore (SIN) – chosen by Cheapflights users on 20% 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.
Chongqing (CKG) is the most affordable one-stop option, with an average return flight price of $1,219.
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: 25h 09m.
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 57m.
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 5 December 2025.
Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Singapore Airlines, Cathay Pacific, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
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?
Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to London Heathrow. You should not have trouble finding flights to London Heathrow from Kingsford Smith; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 25 airlines have flights from the Sydney airport to London Heathrow. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.
How long is the flight from Sydney to London Heathrow Airport?
Turkish Airlines and China Airlines can get you from Sydney to London Heathrow Airport in just under 27h 20m. Your travel time can differ by up to 35m. Airlines will cover a distance of 17008 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?
Currently priced at $1,144, Air China will fly you from Sydney to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and China Eastern - these airlines can fly you to your destination from $1,156 and $1,250, respectively. Air China is 41% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Sydney to London Heathrow Airport are Etihad Airways ($505), Tianjin Airlines ($520), and China Southern ($574).
What are the cheapest flights from Sydney to London Heathrow Airport?
While on average a flight from Sydney to London Heathrow Airport is generally $7,920, our data shows the cheapest flight currently is $1,181. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,161 for that flight.
Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?
Of the flights from Sydney to London Heathrow Airport that have stopovers, most of them stop in Singapore. Singapore is followed by Abu Dhabi in terms of the most popular stopover location on flights from Sydney to London Heathrow Airport. Kuala Lumpur sees the third most stopovers on flights from Sydney to London Heathrow Airport.
What are some popular things to do or see while on a stopover in Singapore?
Sentosa, Merlion, and Sim Lim Square are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Sim Lim Square can be visited by traveling about 21.6 km, 16.9 km, and 16.3 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $130 to make sightseeing during their stopover a little easier.
What are points of interest worth seeing during a stopover in Kuala Lumpur?
Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia are currently the most popular points of interest in Kuala Lumpur. Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia can be visited by travelling about 44.9 km, 46.6 km, and 44.8 km respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $42 per day.
Where are the least popular stopover locations for Sydney to London Heathrow Airport flights?
Flights departing from Sydney and landing in London Heathrow Airport stopover in Seoul least frequently. Muscat follows Seoul in terms of the least common stopover location on Sydney to London Heathrow Airport flights. Beijing ranks third to last in terms of the least popular stopover locations on Sydney to London Heathrow Airport flights.
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 $1,220). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,862). 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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locations
Kingston upon Thames
Salisbury
Hounslow
Horsham
Southall
Chatham
Dorking
Dover
Braintree
Gatwick
Chertsey
Browse thousands of different options on Cheapflights for your next trip
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Fly from Sydney to Heathrow on these airlines
Choose from the following airlines for your flight from Sydney to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 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 647,157 searches. Data last updated 5 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?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Sydney today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Sydney to Heathrow?
Cheapflights simply makes it quick and affordable to book flights from Sydney to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Sydney to Heathrow with no change fees?
Yes! Cheapflights helps users easily find flights from Sydney to Heathrow with no change fees.
Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?
Yes, Cheapflights offers price alerts on Sydney to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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