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Cheap flights from Sydney to London from £316

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
17 Apr — 24 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 Friday or Sunday 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 12 April 2025.

Round-trip from

£699

One-way from

£316

Popular in

December

Cheapest in

October

Average price

£947

Good round-trip deal

£1,045 or less

Good one-way deal

£678 or less
China Eastern
  • China Eastern
  • 25/5-29/5
  • 2 total stops
  • 57h 40m total
  • Sydney to London
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Hainan Airlines
  • Hainan Airlines
  • 5/6
  • 2 total stops
  • 31h 30m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£98 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to London (LON).
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Price to beat on a one-way flight from Sydney Kingsford Smith to London (LON).
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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 12 April 2025.

Sun 25/520:30SYD - LGW
1 stop27h 40mChina Eastern
Thu 29/518:00LGW - SYD
1 stop30h 00mChina Eastern
Deal found 11/4£699
Sun 11/520:30SYD - LHR
1 stop31h 10mChina Eastern
Thu 15/521:20LHR - SYD
3 stops50h 10mChina Eastern
Deal found 11/4£700
Sun 31/819:40SYD - LHR
2 stops57h 35mAir China
Sun 14/920:25LHR - SYD
1 stop33h 25mAir China
Deal found 11/4£707
Tue 14/1011:15SYD - LHR
1 stop41h 45mChina Southern
Mon 10/1122:00LHR - SYD
1 stop24h 25mChina Southern
Deal found 10/4£707
Thu 22/521:00SYD - LHR
2 stops31h 30mMultiple Airlines
Sun 8/620:25LHR - SYD
1 stop33h 25mMultiple Airlines
Deal found 9/4£712
Sun 26/1022:05SYD - LGW
2 stops28h 55mTurkish Airlines
Sat 1/1105:55LGW - SYD
2 stops26h 50mTurkish Airlines
Deal found 11/4£713
Thu 22/511:40SYD - LGW
2 stops44h 45mMultiple Airlines
Wed 28/508:55LGW - SYD
3 stops40h 15mMultiple Airlines
Deal found 11/4£714
Thu 5/619:40SYD - LGW
1 stop43h 55mAir China
Tue 9/912:35LGW - SYD
1 stop41h 15mAir China
Deal found 11/4£724
Thu 5/621:00SYD - LHR
2 stops31h 30mHainan Airlines
Mon 9/622:00LHR - SYD
2 stops55h 15mHainan Airlines
Deal found 10/4£740
Wed 15/1021:55SYD - LHR
2 stops45h 55mTurkish Airlines
Wed 12/1111:30LHR - SYD
2 stops45h 15mTurkish Airlines
Deal found 10/4£742
Sat 24/512:50SYD - LTN
2 stops36h 15mMultiple Airlines
Mon 16/615:40LTN - SYD
3 stops32h 20mMultiple Airlines
Deal found 11/4£748
Thu 15/522:10SYD - LHR
1 stop27h 20mChina Airlines
Fri 30/521:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 10/4£761

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 12 April 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 - LGW

SYDLGW

Sydney Kingsford Smith

Sun 25/5

20:30-15:10

1 stop27h 40m

London Gatwick

Thu 29/5

18:00-09:00

1 stop30h 00m

£699

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 11/5

20:30-18:40

1 stop31h 10m

London Heathrow

Thu 15/5

21:20-08:30

3 stops50h 10m

£700

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 31/8

19:40-20:15

2 stops57h 35m

London Heathrow

Sun 14/9

20:25-14:50

1 stop33h 25m

£707

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 22/5

11:40-23:25

2 stops44h 45m

London Gatwick

Wed 28/5

08:55-10:10

3 stops40h 15m

£714

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 24/5

19:40-17:45

1 stop31h 05m

London Heathrow

Mon 16/6

20:25-18:55

2 stops37h 30m

£720

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 5/6

19:40-06:35

1 stop43h 55m

London Gatwick

Tue 9/9

12:35-14:50

1 stop41h 15m

£724

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/6

21:00-19:30

2 stops31h 30m

London Heathrow

Mon 9/6

22:00-14:15

2 stops55h 15m

£740

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sat 24/5

12:50-16:05

2 stops36h 15m

London Luton

Mon 16/6

15:40-09:00

3 stops32h 20m

£748

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 26/5

22:10-16:30

1 stop27h 20m

London Heathrow

Fri 30/5

21:10-10:45

1 stop28h 35m

£765

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 25/5

20:55-09:50

2 stops45h 55m

London Heathrow

Thu 29/5

06:30-19:00

2 stops27h 30m

£769

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 56 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 4 April 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 12 April 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% 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.

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 12 April 2025.

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 12 April 2025.
Read reviews from past customers who have flown China Airlines, Asiana Airlines and Hainan Airlines from Sydney to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.2
Very Good
729 reviews
Check prices

Food

7.8

Crew

8.5

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.2
Very Good
729 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Food

7.8

Crew

8.5

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Asiana Airlines
8.2
Very Good
438 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Food

7.8

Crew

8.5

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Hainan Airlines
8.1
Very Good
37 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Food

7.8

Crew

8.5

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very Good
1,288 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Food

7.8

Crew

8.5

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Emirates
8.0
Very Good
3,197 reviews
China Airlines
8.2
Very Good
729 reviews
Check prices

Food

7.8

Crew

8.5

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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 Eastern is currently your cheapest option to London, with prices starting at £699. Additional return tickets that might be worth considering are offered by Air China and Hainan Airlines, with the lowest prices starting at £707 and £740, respectively. China Eastern is 26% 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 £316. Air China flights start at £316 while deals on China Southern start at £341 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 Stansted.

  • What are the cheapest flights from Sydney to London?

    Looking for the cheapest flight from Sydney to London? While on average our users pay £889, our data indicates the cheapest price to be £653. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £626.

  • 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
Milton Keynes
Luton
Gatwick
Croydon
Slough
Eastbourne
Wembley
Crawley
Hayes
Southend-on-Sea
Maidstone
Ilford
Winchester
Ipswich
Southall
Folkestone
Dartford
Watford

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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£603Average£871FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£615Average£969FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China AirlinesCheapest£693Average£887FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
China EasternCheapest£701Average£1,015FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£727Average£867FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£742Average£990FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£751Average£1,137FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Cathay PacificCheapest£765Average£944FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£775Average£980FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Singapore AirlinesCheapest£784Average£955FlexibilityNo 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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