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Heathrow

$452+ Cheap flights from Sydney (SYD) to Heathrow (LHR)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 4 days in advance, depart on a Tuesday or Wednesday 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$893
(FlightHub)

One-way from

$452
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$1,098
Provider with most accurate pricing for Sydney Kingsford Smith-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-London Heathrow flights.
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From Sydney Kingsford Smith to London Heathrow
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One-way flight from Sydney Kingsford Smith to London Heathrow
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Highest demand for flights based on searches. 11% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 25, 2025.

This FlightHub deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2211:00 amSYD - LHR
1 stop40h 40mChina Eastern
Fri 6/139:20 pmLHR - SYD
1 stop30h 15mChina Eastern
Deal found 3/24$893
This Gotogate deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:05 amSYD - LHR
1 stop41h 55mChina Southern
Thu 5/1510:10 pmLHR - SYD
1 stop36h 30mChina Southern
Deal found 3/24$923
This Air China deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:40 pmSYD - LHR
1 stop30h 15mAir China
Thu 11/65:40 pmLHR - SYD
1 stop34h 50mAir China
Deal found 3/23$940
This Gotogate deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:00 pmSYD - LHR
2 stops31h 30mMultiple Airlines
Thu 5/158:25 pmLHR - SYD
1 stop33h 25mMultiple Airlines
Deal found 3/24$954
This Turkish Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:05 pmSYD - LHR
2 stops28h 55mTurkish Airlines
Sat 11/16:35 amLHR - SYD
2 stops26h 00mTurkish Airlines
Deal found 3/24$985
This oojo deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:05 pmSYD - LHR
1 stop30h 40mSingapore Airlines
Thu 8/2811:25 amLHR - SYD
1 stop33h 30mSingapore Airlines
Deal found 3/24$994
This Malaysia Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/151:05 pmSYD - LHR
1 stop36h 30mMalaysia Airlines
Mon 8/2511:00 amLHR - SYD
1 stop23h 35mMalaysia Airlines
Deal found 3/24$1,023
This China Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:10 pmSYD - LHR
1 stop27h 20mChina Airlines
Sat 5/109:10 pmLHR - SYD
1 stop28h 35mChina Airlines
Deal found 3/24$1,037
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/111:10 amSYD - LHR
1 stop28h 30mCathay Pacific
Sat 5/315:00 pmLHR - SYD
1 stop28h 10mCathay Pacific
Deal found 3/23$1,063
This Lufthansa deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:10 pmSYD - LHR
2 stops27h 35mLufthansa
Mon 11/241:30 pmLHR - SYD
2 stops30h 45mLufthansa
Deal found 3/24$1,143
This SWISS deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/54:10 pmSYD - LHR
2 stops26h 55mSWISS
Wed 11/191:50 pmLHR - SYD
2 stops35h 00mSWISS
Deal found 3/24$1,144
This Asiana Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/289:30 amSYD - LHR
1 stop42h 20mAsiana Airlines
Thu 6/268:40 pmLHR - SYD
1 stop25h 50mAsiana Airlines
Deal found 3/23$1,161

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 25, 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

Thu 5/22

11:00 am-6:40 pm

1 stop40h 40m

London Heathrow

Fri 6/13

9:20 pm-12:35 pm

1 stop30h 15m

$893

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/1

10:05 am-7:00 pm

1 stop41h 55m

London Heathrow

Thu 5/15

10:10 pm-7:40 pm

1 stop36h 30m

$923

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/1

9:00 pm-7:30 pm

2 stops31h 30m

London Heathrow

Thu 5/15

8:25 pm-2:50 pm

1 stop33h 25m

$954

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 6/5

7:40 pm-5:45 pm

1 stop31h 05m

London Heathrow

Tue 9/9

8:25 pm-2:50 pm

1 stop33h 25m

$979

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 7/28

6:05 pm-3:45 pm

1 stop30h 40m

London Heathrow

Thu 8/28

11:25 am-5:55 am

1 stop33h 30m

$994

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 7/15

1:05 pm-4:35 pm

1 stop36h 30m

London Heathrow

Mon 8/25

11:00 am-7:35 pm

1 stop23h 35m

$1,023

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/5

10:10 pm-4:30 pm

1 stop27h 20m

London Heathrow

Mon 5/19

9:10 pm-10:45 am

1 stop28h 35m

$1,037

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 8/11

9:50 pm-3:15 pm

1 stop26h 25m

London Heathrow

Sun 9/7

5:00 pm-8:40 am

1 stop30h 40m

$1,063

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 6/1

8:55 pm-3:05 pm

2 stops27h 10m

London Heathrow

Wed 6/25

10:25 pm-7:00 pm

2 stops35h 35m

$1,066

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/2

2:50 pm-6:25 pm

2 stops36h 35m

London Heathrow

Wed 6/18

7:25 am-5:55 am

2 stops37h 30m

$1,159

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 38 results
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Compare providers for flights from Sydney to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Heathrow in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Sydney to Heathrow. Price data was last updated on March 21, 2025.

The best time to book flights from Sydney to London Heathrow Airport is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $661). Flying from Sydney to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 March 25, 2025.

It’s typically best to fly out from Sydney to London Heathrow Airport in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Sydney to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Sydney to Heathrow. Price data was last updated on December 16, 2024.

Travelers 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 evenings 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 March 25, 2025.

The most flights from SYD to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 25, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, China Airlines and Asiana Airlines from Sydney to London to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
China Airlines
8.2
Very good
723 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Asiana Airlines
8.2
Very good
442 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Singapore Airlines
8.1
Very good
1,284 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Boarding

8.4

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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 2 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the Sydney airport to London Heathrow. It is only a 4.6 mi journey to Kingsford Smith (SYD) from Sydney’s city center.

  • 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 Eastern. Our recent data shows that you can find tickets from as low as $893 on this airline. Additional options worth looking into are China Southern and Air China, starting at $923 and $979 round-trip. China Eastern is 31% 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 cheapest airlines for a one-way flight from Sydney to London Heathrow Airport are Hainan Airlines ($452), Vietnam Airlines ($504), and China Airlines ($534).

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $661). Flying from Sydney to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
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Gatwick
Dover
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Watford
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Northampton
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Gatwick flights

Top 8 airlines flying from Sydney to Heathrow

Discover the top 8 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 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$842Average$1,046FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$956Average$1,368FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$957Average$1,685FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,026Average$1,447FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$1,176Average$1,391FlexibilityNo cancel feeOn-time70%
EmiratesCheapest$1,257Average$1,576FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$1,301Average$1,642FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,315Average$2,259FlexibilityNo cancel feeOn-time68%
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