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Cheap flights from Sydney to London from £337

SYD — LON
25 Sep — 2 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London are usually found in February or May, booked 37 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Sydney to London

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to London

Mon 19/1011:00 -
2 stops41h 40m
Tue 3/1121:00 -
2 stops49h 05m
Deal found 25/8£752
Sun 8/1111:25 -
1 stop42h 10m
Wed 11/1122:00 -
1 stop28h 35m
Deal found 25/8£753
Wed 2/911:00 -
1 stop41h 10m
Wed 9/918:00 -
1 stop33h 35m
Deal found 23/8£753
Thu 15/1012:00 -
1 stop40h 40m
Thu 29/1021:00 -
2 stops49h 05m
Deal found 22/8£754
Thu 3/911:00 -
1 stop37h 00m
Wed 30/911:35 -
3 stops35h 25m
Deal found 26/8£754
Sun 1/1115:15 -
1 stop38h 20m
Mon 9/1122:00 -
1 stop35h 20m
Deal found 24/8£754
Fri 4/911:00 -
1 stop37h 00m
Fri 18/911:35 -
3 stops35h 25m
Deal found 24/8£754
Thu 17/921:00 -
2 stops31h 30m
Sat 31/1021:30 -
2 stops29h 05m
Deal found 22/8£755
Tue 15/911:00 -
1 stop37h 00m
Mon 5/1011:35 -
1 stop36h 25m
Deal found 21/8£755
Fri 16/1011:05 -
2 stops37h 55m
Sat 31/1020:20 -
2 stops37h 00m
Deal found 21/8£756
Thu 5/1112:10 -
2 stops40h 20m
Mon 23/1121:00 -
3 stops73h 05m
Deal found 25/8£757
Sun 6/911:00 -
1 stop37h 00m
Mon 14/911:35 -
3 stops35h 25m
Deal found 24/8£757

Find flight deals from Sydney to London

Round-trip from

£752

One-way from

£337

Popular in

December

Cheapest in

February

Average price

£952

Good round-trip deal

£1,821 or less

Good one-way deal

£873 or less
China Eastern
  • China Eastern
  • 19/10-3/11
  • 4 total stops
  • 90h 45m total
  • Sydney to London
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China Eastern
  • China Eastern
  • 7/9
  • 1 total stop
  • 37h 00m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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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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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyLondon

SYD Sydney Kingsford Smith - LTN London Luton

SYDLTN

Sydney Kingsford Smith

Sun 8/11

16:50-09:10

2 stops27h 20m

London Luton

Mon 9/11

12:50-09:25

2 stops33h 35m

£802

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Thu 1/10

21:05-22:25

2 stops34h 20m

London Gatwick

Mon 30/11

06:30-19:25

2 stops25h 55m

£835

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Thu 15/10

22:05-09:55

2 stops45h 50m

London Gatwick

Thu 29/10

06:30-19:25

2 stops25h 55m

£835

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sun 8/11

21:35-16:20

2 stops29h 45m

London Heathrow

Sat 14/11

06:25-19:25

2 stops26h 00m

£865

SydneyLondon

SYD Sydney Kingsford Smith - STN London Stansted

SYDSTN

Sydney Kingsford Smith

Sat 7/11

21:35-09:55

2 stops47h 20m

London Stansted

Wed 18/11

10:55-19:25

2 stops45h 30m

£871

SydneyLondon

SYD Sydney Kingsford Smith - STN London Stansted

SYDSTN

Sydney Kingsford Smith

Tue 10/11

21:35-09:55

2 stops47h 20m

London Stansted

Wed 18/11

10:55-19:25

2 stops45h 30m

£871

SydneyLondon

SYD Sydney Kingsford Smith - STN London Stansted

SYDSTN

Sydney Kingsford Smith

Fri 9/10

22:05-16:50

2 stops28h 45m

London Stansted

Fri 23/10

17:35-20:10

2 stops40h 35m

£877

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Thu 12/11

21:35-22:35

2 stops36h 00m

London Gatwick

Mon 16/11

06:30-19:25

2 stops25h 55m

£894

SydneyLondon

SYD Sydney Kingsford Smith - LTN London Luton

SYDLTN

Sydney Kingsford Smith

Wed 23/9

12:05-12:35

3 stops33h 30m

London Luton

Wed 30/9

08:00-08:20

3 stops39h 20m

£920

SydneyLondon

SYD Sydney Kingsford Smith - LTN London Luton

SYDLTN

Sydney Kingsford Smith

Sun 6/9

10:05-09:00

2 stops31h 55m

London Luton

Sun 13/9

07:50-19:25

2 stops26h 35m

£922

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from Sydney to London

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

Currently, February is the cheapest month in which you can book a flight from Sydney to London (average of £805). Flying from Sydney to London in December is currently the most expensive (average of £1,297). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to London as you normally would.

Weekly flight availability from Sydney to London

The most flights from SYD to LON are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost for a return flight from Sydney to London?

Airfare is below average for this route at the moment.
Sydney to London flights typically cost between £857 and £1,193 in October.
The cheapest return price found within the last 5 days was £752 on China Eastern (19 Oct–3 Nov).

What’s the top stopover airport for flights from Sydney to London?

Abu Dhabi (AUH) – chosen by Cheapflights users on 24% of one-stop itineraries from Sydney to London on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to London?

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £749.

What’s the fastest stopover option from Sydney to London?

Flights via Perth (PER) have the shortest average one-way travel time for one-stop routes: 23h 55m.

Which airport typically offers the quickest stopover for flights from Sydney to London?

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 1h 39m.

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

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 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Sydney to London, such as Emirates,Cathay Pacific, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Entertainment

8.2

Overall

8.1

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Emirates
8.1
Very Good
3,656 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Entertainment

8.2

Overall

8.1

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Cathay Pacific
7.6
Good
1,460 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Entertainment

8.2

Overall

8.1

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Etihad Airways
7.3
Good
1,515 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Entertainment

8.2

Overall

8.1

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
China Southern
7.3
Good
172 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Entertainment

8.2

Overall

8.1

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
China Eastern
7.3
Good
234 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Entertainment

8.2

Overall

8.1

Crew

8.4

Comfort

8.0

Food

7.9

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.

Related info for your journey

  • 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. 10 airlines have flights to London from Sydney Kingsford Smith on a regular basis.

  • How long is the flight from Sydney to London?

    China Eastern, China Southern, and Turkish Airlines can get you from Sydney to London in just under 34h 20m. Your travel time can differ by up to 7h 50m. The distance from Sydney to London is about 10568 mi. This flight may include one or multiple stops.

  • 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 £629. Additional return tickets that might be worth considering are offered by Etihad Airways and Qatar Airways, with the lowest prices starting at £674 and £820, respectively. Air China is 35% 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 £185. China Southern flights start at £191 while deals on Air China start at £195 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 £1,444, our data indicates the cheapest price to be £823. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £677.

  • 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, February is the cheapest month in which you can book a flight from Sydney to London (average of £805). Flying from Sydney to London in December is currently the most expensive (average of £1,297). 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 London?

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Kingston upon Thames
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Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Sydney to London

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£629Average£1,245FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£674Average£873FlexibilityNo cancel feeOn-time75%
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Qatar AirwaysCheapest£820Average£1,102FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£841Average£1,172FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£855Average£1,324FlexibilityNo cancel feeOn-time74%
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Singapore AirlinesCheapest£874Average£1,254FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£878Average£1,409FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
British AirwaysCheapest£945Average£1,344FlexibilityNo cancel feeOn-time70%
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Cathay PacificCheapest£1,047Average£1,516FlexibilityNo cancel feeOn-time72%
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United AirlinesCheapest£1,070Average£1,482FlexibilityNo cancel feeOn-time69%
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