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Cheap flights from Sydney to London Heathrow Airport from $785

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
15 Jul — 22 Jul1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 25 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 10 July 2025.

Round-trip from

$1,518

One-way from

$787

Popular in

December

Cheapest in

October

Average price

$2,166

Good round-trip deal

$2,174 or less

Good one-way deal

$1,543 or less
China Eastern
  • China Eastern
  • 8/8-15/8
  • 3 total stops
  • 66h 20m total
  • Sydney to London
24/7
  • 24/7
  • 3 total stops
  • 43h 15m total
  • Sydney to London
Highest demand for flights based on searches. 11% potential increase in price ($401 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($107 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.

Find flight deals from Sydney to Heathrow

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 10 July 2025.

Tue 28/1021:45SYD - LHR
2 stops29h 20mTurkish Airlines
Tue 25/1111:30LHR - SYD
2 stops45h 20mTurkish Airlines
Deal found 7/7$1,512
Fri 8/812:00SYD - LHR
2 stops39h 40mChina Eastern
Fri 15/821:20LHR - SYD
1 stop26h 40mChina Eastern
Deal found 9/7$1,518
Fri 15/819:40SYD - LHR
1 stop33h 50mAir China
Fri 22/822:40LHR - SYD
1 stop31h 10mAir China
Deal found 9/7$1,522
Wed 23/720:45SYD - LHR
2 stops43h 15mMultiple Airlines
Wed 3/909:30LHR - SYD
2 stops41h 05mMultiple Airlines
Deal found 8/7$1,523
Fri 15/810:15SYD - LHR
1 stop41h 45mChina Southern
Sun 7/922:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 9/7$1,526
Fri 10/1021:30SYD - LHR
1 stop31h 15mEtihad Airways
Sat 22/1119:20LHR - SYD
1 stop23h 50mEtihad Airways
Deal found 9/7$1,531
Mon 15/910:15SYD - LHR
1 stop40h 35mVietnam Airlines
Mon 22/918:55LHR - SYD
1 stop32h 20mVietnam Airlines
Deal found 8/7$1,587

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 647,157 searches. Data last updated 10 July 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 28/10

21:45-16:05

2 stops29h 20m

London Heathrow

Tue 25/11

11:30-19:50

2 stops45h 20m

$1,512

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 8/8

12:00-18:40

2 stops39h 40m

London Heathrow

Fri 15/8

21:20-09:00

1 stop26h 40m

$1,518

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 15/8

19:40-20:30

1 stop33h 50m

London Heathrow

Fri 22/8

22:40-14:50

1 stop31h 10m

$1,522

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 23/7

20:45-07:00

2 stops43h 15m

London Heathrow

Wed 3/9

09:30-11:35

2 stops41h 05m

$1,523

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 15/8

10:15-19:00

1 stop41h 45m

London Heathrow

Sun 7/9

22:10-08:25

1 stop25h 15m

$1,526

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 10/10

21:30-18:45

1 stop31h 15m

London Heathrow

Sat 22/11

19:20-06:10

1 stop23h 50m

$1,531

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 15/9

10:15-17:50

1 stop40h 35m

London Heathrow

Mon 22/9

18:55-12:15

1 stop32h 20m

$1,587

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 8/11

21:30-12:05

1 stop25h 35m

$785

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 24/7

20:45-07:00

3 stops43h 15m

$787

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 3/8

12:00-18:40

2 stops39h 40m

$798

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 12 results
1
2

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

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 27 June 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 25 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 $1,037). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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 10 July 2025.

It’s optimal to fly from Sydney to London Heathrow Airport in the evening. By choosing this option you can save up to 28% 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.

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 10 July 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).

How much does it cost for a return flight from Sydney to London Heathrow Airport?

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 10 July 2025.
Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Hainan Airlines, China Southern, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Boarding

8.6

Comfort

8.1

Crew

8.9

Entertainment

7.6

Food

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Boarding

8.6

Comfort

8.1

Crew

8.9

Entertainment

7.6

Food

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Boarding

8.6

Comfort

8.1

Crew

8.9

Entertainment

7.6

Food

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Boarding

8.6

Comfort

8.1

Crew

8.9

Entertainment

7.6

Food

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Boarding

8.6

Comfort

8.1

Crew

8.9

Entertainment

7.6

Food

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Boarding

8.6

Comfort

8.1

Crew

8.9

Entertainment

7.6

Food

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 28 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.

  • What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?

    Currently priced at $1,518, China Eastern will fly you from Sydney to London Heathrow Airport and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air China and China Southern - these airlines can fly you to your destination from $1,522 and $1,526, respectively. China Eastern is 23% 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 China Eastern ($808), Etihad Airways ($817), and Hainan Airlines ($869).

  • What are the cheapest flights from Sydney to London Heathrow Airport?

    While on average a flight from Sydney to London Heathrow Airport is generally $8,548, our data shows the cheapest flight currently is $1,365. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,280 for that flight.

  • Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Merlion, and Boat Quay are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Boat Quay can be visited by traveling about 21.6 km, 16.9 km, and 17.3 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $128 to make sightseeing during their stopover a little easier.

  • What are some popular points of interest to see during a stopover in Kuala Lumpur?

    Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia are the most popular attractions in Kuala Lumpur if you're in need of something to do during your stopover. Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia can be accessed by travelling approximately 46.6 km, 44.9 km, and 44.8 km, respectively from Kuala Lumpur Intl. Travellers can book a car hire at Kuala Lumpur Intl for about $49 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a stopover in Hong Kong?

    Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Mid-levels Escalators are currently the most popular points of interest in Hong Kong. Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Mid-levels Escalators can be visited by travelling about 12.6 km, 25.8 km, and 24.5 km respectively from Hong Kong Intl.

  • Where are the least popular stopover locations for 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 $1,037). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Salisbury
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Chertsey

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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 10 July 2025.

Top 10 airlines flying from Sydney to Heathrow

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 10 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,219Average$1,493FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,283Average$1,678FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest$1,456Average$1,679FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China AirlinesCheapest$1,456Average$1,717FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Vietnam AirlinesCheapest$1,469Average$2,005FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Qatar AirwaysCheapest$1,469Average$2,107FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
SWISSCheapest$1,499Average$2,123FlexibilityNo cancel feeOn-time79%
Search SWISS flights
SriLankan AirlinesCheapest$1,522Average$1,909FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Japan AirlinesCheapest$1,535Average$2,053FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Asiana AirlinesCheapest$1,570Average$1,863FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

Fly with Cheapflights

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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