London

$463+ Cheap flights from Sydney (SYD) to London (LON)

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
Mar 31 — Apr 71
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to London are usually found in October or February, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Sydney to London

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to London (LON). 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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$893
(FlightHub)

One-way from

$463
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,065
Provider with most accurate pricing for Sydney Kingsford Smith-London (LON) flight deals.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-London (LON) flights.
From Sydney Kingsford Smith to London (LON)
One-way flight from Sydney Kingsford Smith to London (LON)
Highest demand for flights based on searches. 11% potential increase in price ($163 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Sydney to London

Cheapest flights from Sydney to London
Explore the most affordable flight options available from Sydney to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/28:30 pmSYD - LHR
1 stop31h 10mChina Eastern
Mon 6/169:20 pmLHR - SYD
1 stop26h 40mChina Eastern
Deal found 3/25$893
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.
Mon 5/1211:00 amSYD - LGW
1 stop28h 40mChina Eastern
Mon 5/266:05 pmLGW - SYD
1 stop29h 55mChina Eastern
Deal found 3/24$911
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:40 pmSYD - LHR
1 stop31h 05mAir China
Tue 9/910:40 pmLHR - SYD
1 stop31h 10mAir China
Deal found 3/25$927
This Turkish Airlines deal was found by Cheapflights users on 3/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:55 pmSYD - LGW
2 stops46h 00mTurkish Airlines
Tue 10/284:55 pmLGW - SYD
2 stops39h 40mTurkish Airlines
Deal found 3/25$944
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/196:00 amSYD - LGW
2 stops33h 40mMultiple Airlines
Mon 6/26:05 pmLGW - SYD
1 stop29h 55mMultiple Airlines
Deal found 3/25$964
This Turkish Airlines deal was found by Cheapflights users on 3/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:55 pmSYD - LHR
2 stops32h 55mTurkish Airlines
Sun 11/210:35 pmLHR - SYD
2 stops34h 00mTurkish Airlines
Deal found 3/25$983
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.
Mon 11/1712:10 pmSYD - LHR
1 stop28h 25mMalaysia Airlines
Mon 12/89:25 pmLHR - SYD
1 stop36h 10mMalaysia Airlines
Deal found 3/24$1,023
This Singapore Airlines deal was found by Cheapflights users on 3/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:00 pmSYD - LGW
1 stop28h 25mSingapore Airlines
Sat 11/229:20 amLGW - SYD
1 stop24h 55mSingapore Airlines
Deal found 3/25$1,025
This China Airlines deal was found by Cheapflights users on 3/25. 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 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
Wed 5/219:10 pmLHR - SYD
1 stop28h 35mChina Airlines
Deal found 3/25$1,039
This Cathay Pacific deal was found by Cheapflights users on 3/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/39:50 pmSYD - LHR
1 stop29h 25mCathay Pacific
Sun 6/296:20 pmLHR - SYD
1 stop29h 20mCathay Pacific
Deal found 3/25$1,084
This Cathay Pacific deal was found by Cheapflights users on 3/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:10 amSYD - LHR
1 stop28h 30mMultiple Airlines
Thu 5/2910:15 pmLHR - SYD
2 stops25h 40mMultiple Airlines
Deal found 3/25$1,099

Cheapflights Fare Finder

Customize your flight search to find flights from Sydney to London 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 26, 2025.
Use the filters below to find and compare flights from Sydney to London that are best for you.

Fly from

Sydney

Fly to

London

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/2

8:30 pm-6:40 pm

1 stop31h 10m

London Heathrow

Mon 6/16

9:20 pm-9:00 am

1 stop26h 40m

$893

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 5/12

11:00 am-6:40 am

1 stop28h 40m

London Gatwick

Mon 5/26

6:05 pm-9:00 am

1 stop29h 55m

$911

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 6/5

7:40 pm-5:45 pm

1 stop31h 05m

London Heathrow

Tue 9/9

10:40 pm-2:50 pm

1 stop31h 10m

$927

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 5/19

6:00 am-6:40 am

2 stops33h 40m

London Gatwick

Mon 6/2

6:05 pm-9:00 am

1 stop29h 55m

$964

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 6/3

8:55 pm-10:20 pm

2 stops34h 25m

London Gatwick

Tue 6/17

5:30 am-7:00 pm

2 stops28h 30m

$1,026

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 5/9

1:05 pm-5:55 am

1 stop25h 50m

London Heathrow

Sun 6/8

9:35 pm-10:00 am

1 stop27h 25m

$1,031

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

$1,039

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 6/8

8:55 pm-4:40 pm

2 stops28h 45m

London Heathrow

Tue 7/1

4:40 pm-7:00 pm

2 stops41h 20m

$1,069

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 6/3

9:50 pm-6:15 pm

1 stop29h 25m

London Heathrow

Sun 6/29

6:20 pm-8:40 am

1 stop29h 20m

$1,084

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/13

10:10 am-5:40 am

1 stop28h 30m

London Heathrow

Thu 5/29

10:15 pm-8:55 am

2 stops25h 40m

$1,099

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 53 results
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Compare providers for flights from Sydney to London

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 London in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy2 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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-London 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Sydney to London?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to London. Price data was last updated on March 21, 2025.

The price you pay for your flight from Sydney to London may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Sydney to London (average of $661). Flying from Sydney to London 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 LON?

Find hourly flight availability from Sydney to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

It’s typically best to fly out from Sydney to London in the afternoon. Doing so could potentially save you 37% 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?

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

Travelers seeking maximum savings on their Sydney to London flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated March 26, 2025.
Get a feel of what it's like to fly with Japan Airlines, China Airlines and Asiana Airlines from Sydney to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

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

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

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

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

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

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

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

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Boarding

8.4

Entertainment

7.8

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 London. 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?

    For a flight from Sydney to London, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 2 outbound flights to London per day. 8 airlines have flights to London from Sydney Kingsford Smith on a regular basis.

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

    Cheapflights users have booked flights from Sydney to London round-trip from $893. Other airlines that can offer you cheap pricing are Air China, from $973, and Singapore Airlines, from $988. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Sydney to London one-way?

    $504 is the cheapest one-way deal found within the past few days, from Vietnam Airlines. You may also be able to find cheap deals on China Southern and China Airlines, with prices starting from $518 and $560, respectively.

  • Can I find deals for flights from Sydney to London that include hotel bookings?

    Yes. In addition to deals on Sydney to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to London.

  • Can I find deals for business class flights from Sydney to London?

    Yes. Cheapflights offers flight deals from Sydney to London 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?

    Currently, November is the cheapest month in which you can book a flight from Sydney to London (average of $661). Flying from Sydney to London 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
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Sydney to London

Discover the top 8 airlines that operate flights from Sydney to London. 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 26, 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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