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Heathrow

$510+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:45 pm
SYD
-
LHR
2 stops33h 30m
Air China
Tue 8/258:25 pm
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 7/28$1,092
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:30 pm
SYD
-
LHR
1 stop31h 10m
China Eastern
Sun 8/169:20 pm
LHR
-
SYD
1 stop26h 40m
China Eastern
Deal found 7/28$1,093
This Gotogate deal was found by Cheapflights users on 7/28. 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.
Sat 11/79:30 pm
SYD
-
LHR
1 stop31h 40m
Multiple Airlines
Sun 11/88:25 pm
LHR
-
SYD
1 stop24h 45m
Multiple Airlines
Deal found 7/28$1,096
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:50 pm
SYD
-
LHR
1 stop31h 25m
Qatar Airways
Tue 9/89:55 pm
LHR
-
SYD
1 stop23h 40m
Qatar Airways
Deal found 7/28$1,097
This Gotogate deal was found by Cheapflights users on 7/28. 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 8/209:00 pm
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Thu 8/279:20 pm
LHR
-
SYD
3 stops49h 40m
Multiple Airlines
Deal found 7/28$1,099
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:50 pm
SYD
-
LHR
1 stop27h 55m
Etihad Airways
Sun 8/239:45 pm
LHR
-
SYD
1 stop23h 25m
Etihad Airways
Deal found 7/29$1,101
This Priceline deal was found by Cheapflights users on 7/25. 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 9/17:40 pm
SYD
-
LHR
1 stop33h 45m
Air China
Tue 9/810:00 pm
LHR
-
SYD
2 stops31h 50m
Air China
Deal found 7/25$1,102
This Air China deal was found by Cheapflights users on 7/26. 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.
Thu 8/137:40 pm
SYD
-
LHR
1 stop33h 45m
Air China
Thu 8/208:25 pm
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 7/26$1,103
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:40 pm
SYD
-
LHR
1 stop31h 00m
Multiple Airlines
Wed 8/199:20 pm
LHR
-
SYD
1 stop30h 15m
Multiple Airlines
Deal found 7/28$1,104
This Gotogate deal was found by Cheapflights users on 7/26. 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 8/37:45 pm
SYD
-
LHR
1 stop33h 40m
Air China
Mon 8/1010:40 pm
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 7/26$1,105

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,092
(Booking.com)

One-way from

$510
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,458

Good round-trip deal

$1,580 or less

Good one-way deal

$1,220 or less
Provider with most accurate pricing for Sydney Kingsford Smith-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-London Heathrow flights.
Search Deals
From Sydney Kingsford Smith to London Heathrow
Search Deals
One-way flight from Sydney Kingsford Smith to London Heathrow
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.
Search Deals

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 July 29, 2026.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 8/19

2:35 pm-4:00 pm

2 stops34h 25m

London Heathrow

Wed 9/2

6:30 am-7:10 pm

2 stops27h 40m

$1,296

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 9/19

10:00 am-6:40 pm

2 stops65h 40m

London Heathrow

Sat 9/26

9:20 pm-12:35 pm

1 stop30h 15m

$1,302
Quickest round-trip

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 10/29

3:15 pm-6:30 am

1 stop26h 15m

London Heathrow

Wed 11/4

8:15 pm-7:15 am

1 stop24h 00m

$1,360

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 8/10

7:55 am-6:50 pm

1 stop43h 55m

London Heathrow

Tue 8/25

7:35 pm-6:20 am

1 stop25h 45m

$1,404

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 10/25

8:05 am-10:45 am

3 stops36h 40m

London Heathrow

Sun 11/8

4:30 pm-7:35 pm

2 stops40h 05m

$1,467

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 10/8

10:05 pm-4:40 pm

2 stops28h 35m

London Heathrow

Thu 10/22

6:30 am-8:10 pm

2 stops27h 40m

$1,485

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 11/29

11:50 am-7:15 am

2 stops30h 25m

London Heathrow

Fri 12/11

11:00 am-9:50 am

2 stops35h 50m

$1,544

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 8/13

10:30 am-6:20 am

2 stops28h 50m

London Heathrow

Thu 8/20

10:15 pm-9:25 am

2 stops26h 10m

$1,596

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 11/8

9:30 pm-10:30 pm

2 stops36h 00m

London Heathrow

Wed 11/11

5:55 pm-9:45 am

2 stops28h 50m

$1,658

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 12/4

11:45 am-5:55 am

2 stops53h 10m

London Heathrow

Sat 12/19

8:05 pm-10:45 am

2 stops51h 40m

$1,659

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*1 star
BudgetAirPrice Accuracy2 starsTrust 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?

The best time to book flights from Sydney to London Heathrow Airport is 88 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, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,078). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,853). 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 July 29, 2026.

When flying from Sydney to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Sydney to London Heathrow Airport?

Airfare is below average for this route at the moment.

Sydney to London Heathrow Airport flights typically cost between $1,208 and $1,677 in August.
The cheapest round-trip price found within the last 5 days was $1,092 on Air China (Aug 10-Aug 25).

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 July 29, 2026.
Get a feel of what it's like to fly with Emirates,Qantas Airways, andAir China from Sydney to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,640 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.4

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Emirates
8.1
Very good
3,640 reviews
Emirates
8.1
Very good
3,640 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.4

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Qantas Airways
7.5
Good
1,073 reviews
Emirates
8.1
Very good
3,640 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.4

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Air China
7.4
Good
159 reviews
Emirates
8.1
Very good
3,640 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.4

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Etihad Airways
7.3
Good
1,497 reviews
Emirates
8.1
Very good
3,640 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.4

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
British Airways
6.7
Okay
8,127 reviews
Emirates
8.1
Very good
3,640 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Crew

8.4

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

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 7 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.

  • How long is the flight from Sydney to London Heathrow Airport?

    Departing from Sydney to London Heathrow Airport will take you 26h 15m. There are 10568 mi between Sydney and London Heathrow Airport. This flight may include one or multiple stops.

  • 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 $901 on this airline. Additional options worth looking into are Etihad Airways and Singapore Airlines, starting at $1,005 and $1,061 round-trip. Air China is 33% 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 ($266), Etihad Airways ($442), and Qatar Airways ($645).

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

    The cheapest flight price from Sydney to London Heathrow Airport is $1,092. On average you can expect to pay $1,693. The most popular route, (Sydney Kingsford Smith - London Heathrow), can usually be booked for $1,020.

  • 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, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,078). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,853). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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 7 airlines flying from Sydney to Heathrow

Discover the top 7 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$901Average$1,457FlexibilityNo cancel feeOn-time67%
Etihad AirwaysCheapest$1,005Average$1,227FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,061Average$1,830FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,102Average$1,457FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,218Average$1,851FlexibilityNo cancel feeOn-time74%
EmiratesCheapest$1,407Average$1,714FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$1,415Average$1,726FlexibilityNo cancel feeOn-time70%

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