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Cheap flights from Sydney to London from £288

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
30 Mar — 6 Apr1
1 adult

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 Sunday or Tuesday 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 25 March 2025.

Round-trip from

£689

One-way from

£288

Popular in

December

Cheapest in

October

Average price

£824

Good round-trip deal

£1,052 or less

Good one-way deal

£663 or less
Air China
  • Air China
  • 17/6-7/9
  • 2 total stops
  • 62h 15m total
  • Sydney to London
15/6
  • 15/6
  • 3 total stops
  • 42h 55m total
  • Sydney to London
Highest demand for flights based on searches. 11% potential increase in price (£97 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to London (LON).
Price to beat on a one-way flight from Sydney Kingsford Smith to London (LON).

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 25 March 2025.

Tue 17/619:40SYD - LHR
1 stop31h 05mAir China
Sun 7/922:40LHR - SYD
1 stop31h 10mAir China
Deal found 24/3£689
Mon 19/511:20SYD - LGW
2 stops60h 40mChina Eastern
Fri 30/518:40LGW - SYD
2 stops52h 00mChina Eastern
Deal found 24/3£689
Thu 22/511:00SYD - LHR
1 stop40h 40mChina Eastern
Fri 13/621:20LHR - SYD
1 stop30h 15mChina Eastern
Deal found 24/3£691
Fri 6/621:45SYD - LGW
2 stops29h 45mChina Southern
Tue 24/621:30LGW - SYD
2 stops37h 10mChina Southern
Deal found 24/3£694
Fri 9/510:05SYD - LHR
1 stop41h 55mChina Southern
Tue 13/522:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 25/3£705
Thu 15/506:00SYD - LGW
2 stops33h 40mMultiple Airlines
Tue 27/518:00LGW - SYD
2 stops28h 40mMultiple Airlines
Deal found 25/3£705
Sat 4/1019:40SYD - LGW
2 stops44h 15mAir China
Mon 27/1011:40LGW - SYD
2 stops40h 50mAir China
Deal found 23/3£717
Mon 2/622:10SYD - LHR
1 stop27h 25mMalaysia Airlines
Wed 20/821:35LHR - SYD
1 stop27h 25mMalaysia Airlines
Deal found 25/3£724
Wed 1/1020:55SYD - LGW
2 stops46h 00mTurkish Airlines
Tue 28/1016:55LGW - SYD
2 stops39h 40mTurkish Airlines
Deal found 25/3£730
Wed 14/512:00SYD - LHR
2 stops38h 45mMultiple Airlines
Wed 28/522:40LHR - SYD
2 stops34h 45mMultiple Airlines
Deal found 25/3£736
Wed 15/1021:55SYD - LHR
2 stops34h 30mTurkish Airlines
Wed 22/1006:30LHR - SYD
2 stops27h 30mTurkish Airlines
Deal found 25/3£752
Tue 13/521:00SYD - LHR
1 stop31h 30mHainan Airlines
Mon 2/622:00LHR - SYD
2 stops55h 15mHainan Airlines
Deal found 25/3£762

Cheapflights Fare Finder

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 25 March 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

Tue 17/6

19:40-17:45

1 stop31h 05m

London Heathrow

Sun 7/9

22:40-14:50

1 stop31h 10m

£689

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 19/5

11:20-15:00

2 stops60h 40m

London Gatwick

Fri 30/5

18:40-07:40

2 stops52h 00m

£689

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 22/5

11:00-18:40

1 stop40h 40m

London Heathrow

Fri 13/6

21:20-12:35

1 stop30h 15m

£691

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 6/6

21:45-18:30

2 stops29h 45m

London Gatwick

Tue 24/6

21:30-19:40

2 stops37h 10m

£694

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 15/5

06:00-06:40

2 stops33h 40m

London Gatwick

Tue 27/5

18:00-07:40

2 stops28h 40m

£705

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 9/5

10:05-19:00

1 stop41h 55m

London Heathrow

Tue 13/5

22:10-08:25

1 stop25h 15m

£705

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/6

22:10-16:35

1 stop27h 25m

London Heathrow

Wed 20/8

21:35-10:00

1 stop27h 25m

£724

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 14/5

12:00-17:45

2 stops38h 45m

London Heathrow

Wed 28/5

22:40-18:25

2 stops34h 45m

£736

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 13/5

21:00-19:30

1 stop31h 30m

London Heathrow

Mon 2/6

22:00-14:15

2 stops55h 15m

£762

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 17/6

08:55-19:55

1 stop44h 00m

London Heathrow

Wed 25/6

09:20-06:20

1 stop36h 00m

£768

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 47 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.

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 return flight from Sydney to London. Price data was last updated on 21 March 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, 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 August is currently the most expensive (average of £164). 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 25 March 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% 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 16 December 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. Thursday afternoons 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 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 25 March 2025.
Read reviews from past customers who have flown Japan Airlines, ANA and China Airlines from Sydney to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Food

7.7

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

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Food

7.7

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
8.3
Very Good

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Food

7.7

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

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Food

7.7

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

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Food

7.7

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

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Food

7.7

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. 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 Air China is currently your cheapest option to London, with prices starting at £689. Additional return tickets that might be worth considering are offered by China Eastern and China Southern, with the lowest prices starting at £689 and £694, respectively. Air China is 27% 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 Hainan Airlines, which is currently one of the cheapest options available, starting at £319. Air China flights start at £325 while deals on China Southern start at £378 one-way.

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

  • What are the cheapest flights from Sydney to London?

    Looking for the cheapest flight from Sydney to London? While on average our users pay £886, our data indicates the cheapest price to be £656. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £646.

  • 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 August is currently the most expensive (average of £164). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Hounslow
Deal
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Gatwick
Croydon
Luton
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Wembley
Hayes
Ilford
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Winchester
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Ipswich
Watford
Southall
Dartford
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£609Average£880FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£621Average£1,006FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£658Average£1,049FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China AirlinesCheapest£700Average£896FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air IndiaCheapest£734Average£876FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£749Average£1,000FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£758Average£1,148FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Cathay PacificCheapest£772Average£955FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£783Average£1,166FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Singapore AirlinesCheapest£792Average£964FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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