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Heathrow

$433+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 72 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 April 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$930
(Air China)

One-way from

$433
(oojo)

Popular in

December

Cheapest in

October

Average price

$1,316
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
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Priceline deal was found by Cheapflights users on 4/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/611:00 amSYD - LHR
1 stop40h 40mChina Eastern
Mon 5/269:20 pmLHR - SYD
1 stop26h 40mChina Eastern
Deal found 4/14$930
This Turkish Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 10/159:55 pmSYD - LHR
2 stops28h 45mTurkish Airlines
Wed 11/126:35 amLHR - SYD
2 stops26h 10mTurkish Airlines
Deal found 4/14$983
This Gotogate deal was found by Cheapflights users on 4/13. 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.
Mon 5/1910:10 pmSYD - LHR
1 stop27h 25mMalaysia Airlines
Thu 5/2911:00 amLHR - SYD
1 stop23h 35mMalaysia Airlines
Deal found 4/13$1,000
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Sat 5/310:35 amSYD - LHR
2 stops41h 05mMultiple Airlines
Sun 5/189:20 pmLHR - SYD
2 stops34h 05mMultiple Airlines
Deal found 4/14$1,008
This SWISS deal was found by Cheapflights users on 4/14. 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.
Mon 10/134:00 pmSYD - LHR
2 stops34h 25mSWISS
Wed 11/128:55 amLHR - SYD
2 stops35h 45mSWISS
Deal found 4/14$1,069
This Gotogate deal was found by Cheapflights users on 4/14. 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.
Tue 5/69:00 pmSYD - LHR
1 stop31h 30mHainan Airlines
Mon 5/2610:00 pmLHR - SYD
2 stops55h 15mHainan Airlines
Deal found 4/14$1,091
This China Southern deal was found by Cheapflights users on 4/14. 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 Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:45 amSYD - LHR
2 stops66h 20mChina Southern
Mon 5/1910:10 pmLHR - SYD
1 stop25h 15mChina Southern
Deal found 4/14$1,099
This Lufthansa deal was found by Cheapflights users on 4/14. 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.
Sat 10/187:05 pmSYD - LHR
2 stops47h 35mLufthansa
Wed 11/1211:30 amLHR - SYD
2 stops46h 45mLufthansa
Deal found 4/14$1,104
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Mon 7/286:05 pmSYD - LHR
1 stop30h 40mSingapore Airlines
Thu 8/289:25 amLHR - SYD
1 stop22h 20mSingapore Airlines
Deal found 4/14$1,114
This Vietnam Airlines deal was found by Cheapflights users on 4/14. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2310:15 amSYD - LHR
1 stop39h 40mVietnam Airlines
Mon 8/256:55 pmLHR - SYD
1 stop32h 20mVietnam Airlines
Deal found 4/14$1,123
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Sat 5/37:30 pmSYD - LHR
1 stop25h 00mAir India
Sun 5/181:15 pmLHR - SYD
1 stop43h 45mAir India
Deal found 4/14$1,136
This Austrian Airlines deal was found by Cheapflights users on 4/14. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/262:50 pmSYD - LHR
2 stops26h 30mAustrian Airlines
Sat 6/1410:25 amLHR - SYD
2 stops38h 55mAustrian Airlines
Deal found 4/14$1,142

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 April 15, 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 5/6

11:00 am-6:40 pm

1 stop40h 40m

London Heathrow

Mon 5/26

9:20 pm-9:00 am

1 stop26h 40m

$930

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 10/7

9:55 pm-4:40 pm

2 stops28h 45m

London Heathrow

Tue 10/28

11:30 am-7:45 pm

2 stops45h 15m

$998

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/19

10:10 pm-4:35 pm

1 stop27h 25m

London Heathrow

Thu 5/29

11:00 am-7:35 pm

1 stop23h 35m

$1,000

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 5/3

10:35 am-6:40 pm

2 stops41h 05m

London Heathrow

Sun 5/18

9:20 pm-4:25 pm

2 stops34h 05m

$1,008

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 7/23

3:00 pm-7:20 pm

2 stops37h 20m

London Heathrow

Wed 8/27

5:10 pm-10:25 am

2 stops32h 15m

$1,069

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/6

9:00 pm-7:30 pm

1 stop31h 30m

London Heathrow

Mon 5/26

10:00 pm-2:15 pm

2 stops55h 15m

$1,091

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/12

8:45 am-6:05 pm

2 stops66h 20m

London Heathrow

Mon 5/19

10:10 pm-8:25 am

1 stop25h 15m

$1,099

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 7/28

6:05 pm-3:45 pm

1 stop30h 40m

London Heathrow

Thu 8/28

9:25 am-4:45 pm

1 stop22h 20m

$1,114

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 7/23

10:15 am-4:55 pm

1 stop39h 40m

London Heathrow

Mon 8/25

6:55 pm-12:15 pm

1 stop32h 20m

$1,123

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 5/3

7:30 pm-11:30 am

1 stop25h 00m

London Heathrow

Sun 5/18

1:15 pm-6:00 pm

1 stop43h 45m

$1,136

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
business-class.comPrice Accuracy3 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 April 11, 2025.

The best time to book flights from Sydney to London Heathrow Airport is 72 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 $1,110). 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 April 15, 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 April 15, 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 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 April 15, 2025.
Peruse reviews from past customers who have flown with China Airlines, Asiana Airlines and Hainan 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.
China Airlines
8.2
Very good
729 reviews

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.2
Very good
729 reviews
China Airlines
8.2
Very good
729 reviews

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Asiana Airlines
8.2
Very good
438 reviews
China Airlines
8.2
Very good
729 reviews

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Hainan Airlines
8.1
Very good
37 reviews
China Airlines
8.2
Very good
729 reviews

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very good
1,288 reviews
China Airlines
8.2
Very good
729 reviews

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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 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 Air China. Our recent data shows that you can find tickets from as low as $930 on this airline. Additional options worth looking into are China Eastern and Turkish Airlines, starting at $966 and $975 round-trip. Air China is 28% 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 ($433), China Eastern ($528), and Sichuan Airlines ($636).

  • 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 $1,110). 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
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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$842Average$1,046FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$956Average$1,311FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$957Average$1,722FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,026Average$1,403FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$1,176Average$1,396FlexibilityNo cancel feeOn-time70%
EmiratesCheapest$1,186Average$1,481FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$1,301Average$1,642FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,315Average$2,037FlexibilityNo cancel feeOn-time68%

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