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Cheap flights from Sydney to London Heathrow Airport from $761

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
20 Jun — 27 Jun1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 72 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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 15 June 2025.

Round-trip from

$1,491

One-way from

$761

Popular in

December

Cheapest in

October

Average price

$2,241

Good round-trip deal

$2,021 or less

Good one-way deal

$1,375 or less
Air China
  • Air China
  • 2/8-6/9
  • 3 total stops
  • 89h 40m total
  • Sydney to London
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Air China
  • Air China
  • 29/7
  • 1 total stop
  • 31h 05m total
  • Sydney to London
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Highest demand for flights based on searches. 11% potential increase in price ($412 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($111 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
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Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.
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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 15 June 2025.

Wed 13/820:30SYD - LHR
1 stop31h 10mChina Eastern
Wed 27/821:20LHR - SYD
1 stop30h 15mChina Eastern
Deal found 12/6$1,491
Fri 1/819:40SYD - LHR
1 stop31h 05mAir China
Fri 29/820:25LHR - SYD
1 stop33h 25mAir China
Deal found 14/6$1,495
Sun 3/819:40SYD - LHR
2 stops57h 35mMultiple Airlines
Tue 9/921:00LHR - SYD
2 stops37h 40mMultiple Airlines
Deal found 12/6$1,502
Sun 2/1111:25SYD - LHR
1 stop41h 50mChina Southern
Sun 9/1122:00LHR - SYD
1 stop35h 20mChina Southern
Deal found 11/6$1,505
Sun 5/1019:05SYD - LHR
2 stops46h 50mSWISS
Wed 5/1108:55LHR - SYD
2 stops39h 55mSWISS
Deal found 13/6$1,508
Tue 28/1016:10SYD - LHR
2 stops27h 35mLufthansa
Tue 25/1117:30LHR - SYD
2 stops27h 10mLufthansa
Deal found 13/6$1,514
Tue 23/920:55SYD - LHR
2 stops32h 55mTurkish Airlines
Tue 14/1011:20LHR - SYD
2 stops46h 40mTurkish Airlines
Deal found 12/6$1,551
Thu 19/608:55SYD - LHR
1 stop39h 55mJapan Airlines
Mon 23/619:20LHR - SYD
1 stop26h 00mJapan Airlines
Deal found 14/6$1,566
Mon 6/1022:10SYD - LHR
1 stop28h 25mMalaysia Airlines
Mon 24/1110:25LHR - SYD
1 stop23h 10mMalaysia Airlines
Deal found 13/6$1,591
Thu 24/722:10SYD - LHR
1 stop27h 20mChina Airlines
Sat 23/821:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 14/6$1,642
Sat 14/616:10SYD - LHR
1 stop36h 50mSriLankan Airlines
Sun 22/621:30LHR - SYD
1 stop32h 25mSriLankan Airlines
Deal found 13/6$1,651
Wed 22/1011:15SYD - LHR
1 stop39h 40mVietnam Airlines
Tue 9/1211:00LHR - SYD
1 stop35h 50mVietnam Airlines
Deal found 13/6$1,728

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 15 June 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

Sat 2/8

19:40-20:30

1 stop33h 50m

London Heathrow

Sat 6/9

22:00-14:50

2 stops55h 50m

$1,491

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 10/8

20:30-18:40

1 stop31h 10m

London Heathrow

Sun 24/8

21:20-09:00

1 stop26h 40m

$1,492

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 5/10

19:05-07:55

2 stops46h 50m

London Heathrow

Wed 5/11

08:55-11:50

2 stops39h 55m

$1,508

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 28/10

16:10-08:45

2 stops27h 35m

London Heathrow

Tue 25/11

17:30-07:40

2 stops27h 10m

$1,514

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 15/7

19:40-20:30

1 stop33h 50m

London Heathrow

Mon 25/8

22:40-18:25

2 stops34h 45m

$1,532

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 1/10

20:55-15:05

2 stops27h 10m

London Heathrow

Wed 15/10

11:20-20:00

2 stops46h 40m

$1,551

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 18/8

10:15-19:00

1 stop41h 45m

London Heathrow

Thu 18/9

22:10-19:40

1 stop36h 30m

$1,599

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 10/10

22:10-16:35

1 stop28h 25m

London Heathrow

Mon 24/11

10:25-20:35

1 stop23h 10m

$1,603

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 24/7

22:10-16:30

1 stop27h 20m

London Heathrow

Sat 23/8

21:10-10:45

1 stop28h 35m

$1,642

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 22/10

11:15-16:55

1 stop39h 40m

London Heathrow

Tue 9/12

11:00-09:50

1 stop35h 50m

$1,728

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 21 results
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2
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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

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 13 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 72 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 15 June 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.

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 15 June 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 15 June 2025.
See what other customers who have flown with Japan Airlines, China Airlines and Asiana Airlines from Sydney to London have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,494 reviews
Check prices

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,494 reviews
Japan Airlines
8.3
Very Good
1,494 reviews
Check prices

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
China Airlines
8.3
Very Good
738 reviews
Japan Airlines
8.3
Very Good
1,494 reviews
Check prices

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Asiana Airlines
8.2
Very Good
440 reviews
Japan Airlines
8.3
Very Good
1,494 reviews
Check prices

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
China Southern
7.5
Good
99 reviews
Japan Airlines
8.3
Very Good
1,494 reviews
Check prices

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Vietnam Airlines
7.5
Good
194 reviews
Japan Airlines
8.3
Very Good
1,494 reviews
Check prices

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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 29 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 $1,491, 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 Eastern and SWISS - these airlines can fly you to your destination from $1,492 and $1,508, respectively. Air China is 25% 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 Air China ($761), China Eastern ($776), and Vietnam Airlines ($805).

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

    While on average a flight from Sydney to London Heathrow Airport is generally $4,759, our data shows the cheapest flight currently is $1,320. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,361 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 Kuala Lumpur in terms of the most popular stopover location on flights from Sydney to London Heathrow Airport. Hong Kong 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 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 $118 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 $71 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?

    Flights departing from Sydney and landing in London Heathrow Airport stopover in Seoul least frequently. Taipei City follows Seoul in terms of the least common stopover location on Sydney to London Heathrow Airport flights. Tokyo 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 $1,037). 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
Andover
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 15 June 2025.
Singapore Airlines flights from Sydney Kingsford Smith to London Heathrow
Qantas Airways flights from Sydney Kingsford Smith to London Heathrow
British Airways flights from Sydney Kingsford Smith to London Heathrow

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 15 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,216Average$1,497FlexibilityNo cancel feeOn-time67%
Search Air China flights
SriLankan AirlinesCheapest$1,414Average$1,819FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Turkish AirlinesCheapest$1,465Average$1,734FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China AirlinesCheapest$1,466Average$1,730FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Qatar AirwaysCheapest$1,478Average$2,078FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest$1,478Average$2,023FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Japan AirlinesCheapest$1,486Average$2,241FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Asiana AirlinesCheapest$1,563Average$1,860FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Austrian AirlinesCheapest$1,609Average$1,866FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AustraliaCheapest$1,651Average$2,500FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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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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