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Cheap flights from Sydney to London from £420

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
24 Dec — 31 Dec1
1 adult

The best prices from Sydney Kingsford Smith to London are usually found in March or February, booked 4 days in advance, depart on a Tuesday or Monday and return on a Monday

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 19 December 2024.

Round-trip from

£820

One-way from

£420

Popular in

December

Cheapest in

March

Average price

£1,320
17/3-21/3
  • 17/3-21/3
  • 4 total stops
  • 84h 45m total
  • Sydney to London
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China Southern
  • China Southern
  • 16/1
  • 1 total stop
  • 45h 05m total
  • Sydney to London
Search Deals
High demand for flights, 10% 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 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 19 December 2024.

Sun 29/1220:40SYD - LGW
1 stop30h 20mTurkish Airlines
Sun 23/216:55LGW - SYD
1 stop39h 05mTurkish Airlines
Deal found 17/12£1,082
Fri 27/1216:50SYD - LGW
2 stops49h 05mMultiple Airlines
Wed 8/111:35LGW - SYD
2 stops40h 15mMultiple Airlines
Deal found 17/12£1,114
Sun 29/1220:40SYD - LHR
1 stop30h 20mTurkish Airlines
Sun 23/216:35LHR - SYD
2 stops39h 25mTurkish Airlines
Deal found 17/12£1,122
Sun 29/1221:50SYD - LHR
3 stops35h 35mMultiple Airlines
Sun 23/220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 17/12£1,128
Wed 25/1212:00SYD - LGW
1 stop29h 30mChina Eastern
Sat 11/117:00LGW - SYD
1 stop30h 00mChina Eastern
Deal found 17/12£1,210
Wed 25/1209:15SYD - LHR
1 stop41h 00mJapan Airlines
Sat 11/118:10LHR - SYD
2 stops49h 40mJapan Airlines
Deal found 17/12£1,252
Sun 29/1221:45SYD - STN
1 stop25h 20mEmirates
Sun 23/214:05STN - SYD
1 stop29h 55mEmirates
Deal found 17/12£1,279
Mon 30/1220:40SYD - LHR
1 stop30h 15mAir China
Tue 14/120:25LHR - SYD
1 stop32h 05mAir China
Deal found 18/12£1,286
Thu 26/1221:30SYD - LHR
1 stop27h 25mChina Eastern
Sun 5/121:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 18/12£1,297
Mon 30/1221:00SYD - LHR
1 stop31h 55mChina Southern
Tue 28/122:00LHR - SYD
1 stop35h 20mChina Southern
Deal found 17/12£1,317
Fri 27/1222:10SYD - LGW
2 stops30h 10mChina Southern
Tue 7/120:20LGW - SYD
2 stops37h 00mChina Southern
Deal found 17/12£1,350
Tue 31/1210:25SYD - LHR
1 stop31h 10mAir India
Tue 21/121:05LHR - SYD
1 stop24h 05mAir India
Deal found 17/12£1,369

Find flights from Sydney to London within your budget

Customise 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 858,174 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 17/3

21:50-06:45

2 stops43h 55m

London Heathrow

Fri 21/3

09:00-12:50

2 stops40h 50m

£820

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 3/5

21:45-19:05

1 stop30h 20m

London Heathrow

Sun 18/5

20:50-19:40

2 stops37h 50m

£822

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 18/5

21:05-16:40

2 stops28h 35m

London Heathrow

Tue 17/6

06:30-19:10

2 stops27h 40m

£823

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 1/2

10:15-14:00

1 stop38h 45m

London Gatwick

Mon 24/2

10:30-10:00

1 stop36h 30m

£823

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 28/4

22:10-16:30

1 stop27h 20m

London Heathrow

Mon 5/5

21:10-10:45

1 stop28h 35m

£823

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 22/2

13:30-17:30

2 stops39h 00m

London Heathrow

Mon 24/2

21:00-10:00

1 stop26h 00m

£825

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 17/3

22:10-17:20

2 stops30h 10m

London Gatwick

Tue 1/4

09:20-10:20

3 stops39h 00m

£826

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 31/1

21:00-15:50

1 stop29h 50m

London Gatwick

Mon 24/2

06:00-19:00

1 stop26h 00m

£834

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 1/4

16:00-06:25

1 stop24h 25m

London Gatwick

Sat 10/5

10:15-16:45

1 stop21h 30m

£834

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 1/5

21:45-07:25

1 stop42h 40m

London Gatwick

Sat 10/5

12:00-08:25

1 stop35h 25m

£836

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 60 results
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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 return 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 Sydney to London

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

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

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

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 4 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, January is the cheapest month in which you can book a flight from Sydney to London (average of £112). Flying from Sydney to London in July is currently the most expensive (average of £160). 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 19 December 2024.

Unlike at midday, when flights are generally more expensive, you can save up to 20% on flights from Sydney to London by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly return from Sydney to London. Price data was last updated on 18 February 2024.

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

Weekly flight availability from Sydney to London

Explore weekly flight availability from Sydney to London. 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 19 December 2024.

The most flights from SYD to LON 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 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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 19 December 2024.
Read reviews from past customers who have flown China Southern, Air China and Singapore Airlines from Sydney to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
839 reviews
Check prices

Food

7.7

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very Good
839 reviews
ANA
8.4
Very Good
839 reviews
Check prices

Food

7.7

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Japan Airlines
8.3
Very Good
1,442 reviews
ANA
8.4
Very Good
839 reviews
Check prices

Food

7.7

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Asiana Airlines
8.3
Very Good
477 reviews
ANA
8.4
Very Good
839 reviews
Check prices

Food

7.7

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

China Airlines
8.3
Very Good
754 reviews
ANA
8.4
Very Good
839 reviews
Check prices

Food

7.7

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Singapore Airlines
8.1
Very Good
1,331 reviews
ANA
8.4
Very Good
839 reviews
Check prices

Food

7.7

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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 3 outbound flights to London per day. 16 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?

    Flying on China Southern is currently your cheapest option to London, with prices starting at £822. Additional return tickets that might be worth considering are offered by Turkish Airlines and China Eastern, with the lowest prices starting at £823 and £823, respectively. China Southern is 15% 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 one-way?

    To fly one-way, consider booking your trip with China Southern, which is currently one of the cheapest options available, starting at £420. China Eastern flights start at £420 while deals on China Airlines start at £425 one-way.

  • What are the most popular routes from Sydney to London?

    The most popular flight routes from Sydney to London are Sydney Kingsford Smith - London Heathrow, Sydney Kingsford Smith - London Gatwick and Sydney Kingsford Smith - London City.

  • What are the cheapest flights from Sydney to London?

    Looking for the cheapest flight from Sydney to London? While on average our users pay £1,157, our data indicates the cheapest price to be £703. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £707.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Sydney to London (average of £112). Flying from Sydney to London in July is currently the most expensive (average of £160). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Sydney to London

Discover the top 10 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 858,174 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£589Average£841FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£633Average£992FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£671Average£996FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£701Average£877FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£705Average£972FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£808Average£980FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Asiana AirlinesCheapest£810Average£834FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Cathay PacificCheapest£830Average£982FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Turkish AirlinesCheapest£831Average£1,329FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China AirlinesCheapest£843Average£914FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to London?

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Why should you use Cheapflights to find cheap flight tickets from Sydney to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Sydney.

Can Cheapflights find flights from Sydney to London with no change fees?

Need flexible booking options for your flight to London from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to London become cheaper?

Of course! You can now track prices for flights from Sydney to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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