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$576+ Cheap flights from London (LON) to Sydney (SYD)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from London to Sydney Kingsford Smith are usually found in May or March, booked 52 days in advance, depart on a Sunday or Saturday and return on a Thursday

Cheap flight deals from London to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Sydney (SYD). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,067
(China Airlines)

One-way from

$576
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,715
Provider with most accurate pricing for London (LON)-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Sydney Kingsford Smith flights.
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From London (LON) to Sydney Kingsford Smith
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One-way flight from London (LON) to Sydney Kingsford Smith
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from London to Sydney

Cheapest flights from London to Sydney
Explore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Gotogate deal was found by Cheapflights users on 12/17. 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 12/3110:30 amLGW - SYD
1 stop40h 05mChina Eastern
Tue 1/712:00 pmSYD - LGW
1 stop29h 30mChina Eastern
Deal found 12/17$1,426
This Cathay Pacific deal was found by Cheapflights users on 12/17. 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 12/314:50 pmLHR - SYD
1 stop29h 45mCathay Pacific
Sat 3/2211:05 amSYD - LHR
1 stop30h 15mCathay Pacific
Deal found 12/17$1,436
This Lufthansa deal was found by Cheapflights users on 12/17. 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.
Tue 12/245:30 pmLHR - SYD
2 stops25h 25mMultiple Airlines
Wed 3/194:10 pmSYD - LHR
2 stops26h 55mMultiple Airlines
Deal found 12/17$1,445
This Gotogate deal was found by Cheapflights users on 12/17. 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 12/315:50 pmLHR - SYD
1 stop25h 40mChina Eastern
Tue 1/710:15 amSYD - LHR
1 stop38h 40mChina Eastern
Deal found 12/17$1,464
This Lufthansa deal was found by Cheapflights users on 12/17. 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.
Tue 12/245:30 pmLHR - SYD
2 stops25h 25mLufthansa
Wed 2/123:15 pmSYD - LHR
2 stops28h 30mLufthansa
Deal found 12/17$1,493
This Korean Air deal was found by Cheapflights users on 12/17. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:50 pmLHR - SYD
1 stop25h 05mKorean Air
Tue 3/259:10 amSYD - LHR
1 stop42h 20mKorean Air
Deal found 12/17$1,548
This Asiana Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/288:10 pmLHR - SYD
1 stop25h 10mAsiana Airlines
Tue 4/110:30 amSYD - LHR
1 stop41h 30mAsiana Airlines
Deal found 12/17$1,562
This Trip.com deal was found by Cheapflights users on 12/17. 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 12/312:55 pmLGW - SYD
2 stops28h 35mMultiple Airlines
Tue 1/712:00 pmSYD - LGW
2 stops44h 35mMultiple Airlines
Deal found 12/17$1,577
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/281:45 pmLHR - SYD
1 stop32h 30mUnited Airlines
Mon 2/1011:50 amSYD - LHR
1 stop34h 15mUnited Airlines
Deal found 12/17$1,641
This Turkish Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:35 pmLHR - SYD
2 stops33h 25mTurkish Airlines
Thu 3/209:00 pmSYD - LHR
1 stop28h 45mTurkish Airlines
Deal found 12/17$1,684
This China Southern deal was found by Cheapflights users on 12/17. 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.
Tue 12/318:25 pmLHR - SYD
2 stops60h 55mChina Southern
Tue 1/710:10 pmSYD - LHR
2 stops53h 50mChina Southern
Deal found 12/17$1,687
This Vietnam Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/3111:00 amLHR - SYD
2 stops35h 50mVietnam Airlines
Mon 3/173:15 pmSYD - LHR
1 stop27h 00mVietnam Airlines
Deal found 12/17$1,782

Find flights from London to Sydney within your budget

Customize your flight search to find flights from London to Sydney 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 2/28

9:15 pm-12:10 pm

1 stop27h 55m

Sydney Kingsford Smith

Mon 5/5

10:10 pm-4:30 pm

1 stop27h 20m

$1,067

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 1/15

5:15 pm-9:25 am

2 stops29h 10m

Sydney Kingsford Smith

Wed 1/29

8:10 am-6:15 pm

1 stop45h 05m

$1,075

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/10

5:50 pm-12:50 pm

3 stops32h 00m

Sydney Kingsford Smith

Mon 3/24

6:25 pm-7:20 pm

3 stops35h 55m

$1,086

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/3

7:20 pm-6:25 am

1 stop24h 05m

Sydney Kingsford Smith

Sat 3/22

9:30 pm-12:05 pm

1 stop25h 35m

$1,097

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/18

11:00 am-9:50 am

2 stops35h 50m

Sydney Kingsford Smith

Wed 5/7

10:15 am-4:55 pm

1 stop39h 40m

$1,105

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 5/10

4:10 pm-7:45 pm

2 stops42h 35m

Sydney Kingsford Smith

Sat 5/24

12:35 pm-11:10 pm

2 stops43h 35m

$1,108

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 3/7

6:00 am-7:15 am

2 stops38h 15m

Sydney Kingsford Smith

Sun 3/9

3:15 pm-5:50 pm

2 stops37h 35m

$1,125

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 2/19

9:00 pm-2:50 pm

1 stop30h 50m

Sydney Kingsford Smith

Fri 3/7

4:50 pm-7:00 pm

1 stop37h 10m

$1,130

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 1/14

10:30 am-11:00 am

2 stops37h 30m

Sydney Kingsford Smith

Tue 1/21

10:15 am-6:30 am

1 stop31h 15m

$1,147

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 3/4

6:45 pm-7:15 am

2 stops25h 30m

Sydney Kingsford Smith

Wed 3/19

3:15 pm-5:50 pm

2 stops37h 35m

$1,152

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 51 results
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Compare providers for flights from London to Sydney

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 London to Sydney in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 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 London-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Sydney 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 London-Sydney 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 London to Sydney

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

Travel insights for flights from London to Sydney

Get recent, data-driven insights about flights from London to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from London to Sydney. Price data was last updated on December 13, 2024.

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from London to Sydney (average of $1,051). Flying from London to Sydney in December is currently the most expensive (average of $1,298). 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 LON to SYD?

Find hourly flight availability from London to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

A simple way to save on the total cost of your ticket is to fly from London to Sydney in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

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

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

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

Weekly flight availability from London to Sydney

Explore weekly flight availability from London to Sydney. 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 December 18, 2024.

The most flights from LON to SYD 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 Sydney by month

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

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

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

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated December 18, 2024.
Read through reviews of airlines operating flights from London to Sydney, such as China Airlines, Vietnam Airlines and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,443 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 10

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
1,443 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 10

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
8.3
Very good
477 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 10

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
8.3
Very good
754 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 10

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
1,329 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 10

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

Emirates
8.1
Very good
3,412 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 10

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 London to Sydney. 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 into for flights to Sydney from London?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from London. On average, Kingsford Smith has 3 inbound flights from London per day from 10 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

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

    Currently priced at $1,067, China Airlines will fly you from London to Sydney and back. In addition to China Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and Etihad Airways - these airlines can fly you to your destination from $1,075 and $1,097, respectively. These flights start at 17% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Tianjin Airlines, with whom users have recently found tickets for as low as $633. However, be on the lookout for offers from China Eastern and Malaysia Airlines, as they are both options that can get you from London to Sydney for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Sydney 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 London to Sydney?

    Currently, February is the cheapest month in which you can book a flight from London to Sydney (average of $1,051). Flying from London to Sydney in December is currently the most expensive (average of $1,298). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Sydney

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

Top 10 airlines flying from London to Sydney

Discover the top 10 airlines that operate flights from London to Sydney. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$747Average$1,038FlexibilityNo cancel feeOn-time67%
China EasternCheapest$762Average$1,259FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$766Average$1,003FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$1,001Average$1,556FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$1,029Average$1,545FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,065Average$1,423FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$1,107Average$1,776FlexibilityNo cancel feeOn-time72%
Malaysia AirlinesCheapest$1,128Average$1,652FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,197Average$1,589FlexibilityNo cancel feeOn-time74%
British AirwaysCheapest$1,253Average$1,525FlexibilityNo cancel feeOn-time70%
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