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Cheap flights from Sydney to London from £376

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
16 lug — 23 lug1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to London are usually found in October or February, booked 51 days in advance, depart on a Tuesday or Wednesday 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 11 luglio 2025.

Round-trip from

£730

One-way from

£376

Popular in

December

Cheapest in

October

Average price

£947

Good round-trip deal

£1,374 or less
China Eastern
  • China Eastern
  • 8/8-15/8
  • 3 total stops
  • 66h 20m total
  • Sydney to London
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Vietnam Airlines
  • Vietnam Airlines
  • 17/9
  • 1 total stop
  • 39h 40m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip 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 11 luglio 2025.

ven 8/812:00SYD - LHR
2 stops39h 40mChina Eastern
ven 15/821:20LHR - SYD
1 stop26h 40mChina Eastern
Deal found 9/7£730
lun 21/710:15SYD - LTN
2 stops41h 15mMultiple Airlines
dom 10/806:05LTN - SYD
2 stops28h 20mMultiple Airlines
Deal found 11/7£731
dom 17/812:00SYD - LGW
2 stops36h 10mChina Eastern
mer 3/918:25LGW - SYD
1 stop33h 10mChina Eastern
Deal found 10/7£731
ven 15/819:40SYD - LHR
1 stop33h 50mAir China
ven 22/822:40LHR - SYD
1 stop31h 10mAir China
Deal found 9/7£731
ven 10/1021:55SYD - LGW
2 stops28h 20mTurkish Airlines
sab 22/1106:25LGW - SYD
2 stops26h 25mTurkish Airlines
Deal found 10/7£731
dom 26/1011:25SYD - LHR
1 stop41h 50mChina Southern
sab 1/1122:00LHR - SYD
1 stop35h 20mChina Southern
Deal found 9/7£732
mar 25/1116:20SYD - LHR
1 stop25h 25mEtihad Airways
dom 7/1219:20LHR - SYD
1 stop23h 50mEtihad Airways
Deal found 9/7£735
sab 9/819:40SYD - LGW
1 stop43h 55mAir China
ven 19/912:35LGW - SYD
1 stop41h 15mAir China
Deal found 9/7£736
mar 5/811:00SYD - LHR
1 stop40h 40mMultiple Airlines
dom 24/821:20LHR - SYD
2 stops31h 55mMultiple Airlines
Deal found 9/7£738
gio 17/720:30SYD - LGW
2 stops34h 35mMultiple Airlines
lun 1/907:45LGW - SYD
2 stops43h 50mMultiple Airlines
Deal found 9/7£742
lun 17/1122:00SYD - LGW
2 stops30h 20mChina Southern
sab 29/1120:25LGW - SYD
2 stops36h 55mChina Southern
Deal found 9/7£748
dom 2/1121:45SYD - LHR
2 stops28h 10mTurkish Airlines
ven 21/1116:45LHR - SYD
2 stops40h 05mTurkish Airlines
Deal found 9/7£760

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 11 luglio 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

ven 8/8

12:00-18:40

2 stops39h 40m

London Heathrow

ven 15/8

21:20-09:00

1 stop26h 40m

£730

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

lun 21/7

10:15-18:30

2 stops41h 15m

London Luton

dom 10/8

06:05-19:25

2 stops28h 20m

£731

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

dom 17/8

12:00-15:10

2 stops36h 10m

London Gatwick

mer 3/9

18:25-12:35

1 stop33h 10m

£731

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

ven 15/8

19:40-20:30

1 stop33h 50m

London Heathrow

ven 22/8

22:40-14:50

1 stop31h 10m

£731

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

ven 10/10

21:55-16:15

2 stops28h 20m

London Gatwick

sab 22/11

06:25-19:50

2 stops26h 25m

£731

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

ven 15/8

10:15-19:00

1 stop41h 45m

London Heathrow

dom 7/9

22:10-08:25

1 stop25h 15m

£734

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

lun 18/8

21:30-18:45

1 stop30h 15m

London Heathrow

dom 7/9

20:55-06:10

1 stop24h 15m

£735

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

sab 9/8

19:40-06:35

1 stop43h 55m

London Gatwick

ven 19/9

12:35-14:50

1 stop41h 15m

£736

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

mar 5/8

11:00-18:40

1 stop40h 40m

London Heathrow

dom 24/8

21:20-14:15

2 stops31h 55m

£738

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

lun 17/11

22:00-17:20

2 stops30h 20m

London Gatwick

sab 29/11

20:25-20:20

2 stops36h 55m

£748

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 29 results
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2
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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 27 June 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 51 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 11 luglio 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 37% 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 11 luglio 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).

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 11 luglio 2025.
Read through reviews of airlines operating flights from Sydney to London, such as Japan Airlines, Hainan Airlines, andEmirates. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,512 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Hainan Airlines
8.2
Very Good
41 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very Good
3,285 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
China Southern
7.6
Good
103 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Vietnam Airlines
7.5
Good
195 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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. 14 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 £730. Additional return tickets that might be worth considering are offered by Air China and Turkish Airlines, with the lowest prices starting at £731 and £731, respectively. China Eastern is 19% 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 Vietnam Airlines, which is currently one of the cheapest options available, starting at £376. Etihad Airways flights start at £377 while deals on China Eastern start at £382 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 £1,463, our data indicates the cheapest price to be £1,025. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £615.

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

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 11 luglio 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£591Average£971FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£657Average£838FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£671Average£1,107FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£680Average£850FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£712Average£919FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£721Average£968FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Cathay PacificCheapest£732Average£925FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£745Average£942FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Singapore AirlinesCheapest£754Average£933FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£769Average£1,002FlexibilityNo cancel feeOn-time67%
Search Malaysia 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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