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Cheap flights from Sydney to the United Kingdom from £338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to the United Kingdom departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sydney to the United Kingdom

Cheap return flights

Logo
13:45 - 16:55SYD-LHR
37h 10m2 stops
Logo
21:30 - 20:20LHR-SYD
35h 50m2 stops
£675
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Sat, 18 Oct - Mon, 3 Nov
China Eastern Logo
13:00 - 07:30SYD-LGW
52h 30m2 stops
China Eastern Logo
10:30 - 11:00LGW-SYD
37h 30m3 stops
£675China Eastern
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Fri, 24 Oct - Tue, 18 Nov
Etihad Airways Logo
21:30 - 14:30SYD-LHR
28h 00m1 stop
Etihad Airways Logo
08:50 - 17:55LHR-SYD
22h 05m1 stop
£712Etihad Airways
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Tue, 25 Nov - Sun, 7 Dec
Etihad Airways Logo
16:35 - 06:40SYD-LHR
25h 05m1 stop
Etihad Airways Logo
13:55 - 06:35LHR-SYD
29h 40m1 stop
£714Etihad Airways
Find Deal
Fri, 30 Jan - Fri, 20 Feb
Cathay Pacific Logo
22:20 - 07:55SYD-MAN
44h 35m1 stop
Cathay Pacific Logo
10:25 - 12:00MAN-SYD
38h 35m1 stop
£851Cathay Pacific
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Tue, 18 Nov - Mon, 1 Dec
Cathay Pacific Logo
22:20 - 07:55SYD-MAN
44h 35m1 stop
Cathay Pacific Logo
10:25 - 12:00MAN-SYD
38h 35m1 stop
£882Cathay Pacific
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Sun, 26 Oct - Tue, 18 Nov
British Airways Logo
16:20 - 08:55SYD-GLA
27h 35m2 stops
British Airways Logo
08:55 - 06:55GLA-SYD
35h 00m2 stops
£907British Airways
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Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
16:20 - 11:25SYD-NCL
30h 05m2 stops
British Airways Logo
12:55 - 06:55NCL-SYD
31h 00m2 stops
£911British Airways
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Thu, 12 Mar - Mon, 16 Mar
Emirates Logo
06:00 - 18:00SYD-STN
23h 00m1 stop
Emirates Logo
14:05 - 22:30STN-SYD
21h 25m1 stop
£962Emirates
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Sat, 14 Feb - Sat, 28 Feb
Emirates Logo
06:00 - 18:00SYD-STN
23h 00m1 stop
Emirates Logo
14:05 - 22:30STN-SYD
21h 25m1 stop
£967Emirates
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Wed, 18 Feb - Wed, 25 Feb

China Airlines flights from Sydney to United Kingdom

Our best China Airlines deals on Sydney to United Kingdom flight tickets
China Airlines
16 Nov
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
26 Nov
LHR21:15London Heathrow
28h 00m
1 stop
SYD12:15Sydney Kingsford Smith
£692
Find similar
China Airlines
11 Nov
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
31 Jan
LHR21:15London Heathrow
28h 00m
1 stop
SYD12:15Sydney Kingsford Smith
£707
Find similar
China Airlines
26 Oct
SYD22:10Sydney Kingsford Smith
29h 45m
1 stop
LHR16:55London Heathrow
1 Nov
LHR21:15London Heathrow
28h 00m
1 stop
SYD12:15Sydney Kingsford Smith
£709
Find similar

Air China flights from Sydney to United Kingdom

Our best Air China deals on Sydney to United Kingdom flight tickets
Air China
16 Oct
SYD20:40Sydney Kingsford Smith
33h 50m
1 stop
LHR20:30London Heathrow
6 Nov
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
£696
Find similar
Air China
28 Oct
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
1 Nov
LHR21:35London Heathrow
54h 55m
2 stops
SYD15:30Sydney Kingsford Smith
£704
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to United Kingdom 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Sydney to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 18/10

13:45-16:55

2 stops37h 10m

London Heathrow

Mon 3/11

21:30-20:20

2 stops35h 50m

£675

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 24/10

13:00-07:30

2 stops52h 30m

London Gatwick

Tue 18/11

10:30-11:00

3 stops37h 30m

£675

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 25/11

21:30-14:30

1 stop28h 00m

London Heathrow

Sun 7/12

08:50-17:55

1 stop22h 05m

£712

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 30/1

16:35-06:40

1 stop25h 05m

London Heathrow

Fri 20/2

13:55-06:35

1 stop29h 40m

£714

SydneyManchester

SYD - MAN

SYDMAN

Sydney Kingsford Smith

Tue 18/11

22:20-07:55

1 stop44h 35m

Manchester

Mon 1/12

10:25-12:00

1 stop38h 35m

£851

SydneyManchester

SYD - MAN

SYDMAN

Sydney Kingsford Smith

Sun 26/10

22:20-07:55

1 stop44h 35m

Manchester

Tue 18/11

10:25-12:00

1 stop38h 35m

£882

SydneyGlasgow

SYD - GLA

SYDGLA

Sydney Kingsford Smith

Thu 12/3

16:20-08:55

2 stops27h 35m

Glasgow Intl

Mon 16/3

08:55-06:55

2 stops35h 00m

£907

SydneyNewcastle upon Tyne

SYD - NCL

SYDNCL

Sydney Kingsford Smith

Thu 12/3

16:20-11:25

2 stops30h 05m

Newcastle upon Tyne

Mon 16/3

12:55-06:55

2 stops31h 00m

£911

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Sat 14/2

06:00-18:00

1 stop23h 00m

London Stansted

Sat 28/2

14:05-22:30

1 stop21h 25m

£962

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 18/2

06:00-18:00

1 stop23h 00m

London Stansted

Wed 25/2

14:05-22:30

1 stop21h 25m

£967

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Sydney to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Sydney is in February. Flight prices, which tend to average around £762, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Sydney during the month May is also very affordable. Most momondo users find prices during this month for around £778.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Sydney to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £1,079. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to United Kingdom for around £1,441.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £871. Try not to purchase tickets in the afternoon because they tend to be around £1,373. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Sydney Kingsford Smith to United Kingdom flight route?

Fly from Sydney Kingsford Smith to London Heathrow for the best Sydney Kingsford Smith - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £958 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Sydney for as low as £875 on momondo.

What cabin class options are available on Sydney Kingsford Smith to United Kingdom flights?

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sydney to United Kingdom flights?

You could potentially save up to 2% on your flight if you consider stops on a Sydney to United Kingdom flight.

Cheap Sydney to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to United Kingdom

Fastest flight time

23h 45m

Direct flights

Every day

Airports in United Kingdom

1 airport
The fastest flight from Sydney to United Kingdom takes 23h 45m
Direct flights go from Sydney to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to United Kingdom?

    Prices for flights from Sydney Kingsford Smith Airport to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to United Kingdom?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Sydney to United Kingdom?

Best airlines flying from Sydney to United Kingdom

Compare and see reviews for airlines that fly from Sydney to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £617Free CancellationRating
7.5
110 reviews
Search China Southern flights
Air ChinaPriceFrom £661Free CancellationRating
7.2
99 reviews
Search Air China flights
China EasternPriceFrom £671Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Air IndiaPriceFrom £679Free CancellationRating
5.5
2,930 reviews
Search Air India flights
SWISSPriceFrom £697Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
Etihad AirwaysPriceFrom £699Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £703Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £735Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom £745Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £754Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to United Kingdom?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Sydney.

Can I find flights from Sydney to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sydney to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to United Kingdom.

I’m not ready to book a flight from Sydney to United Kingdom right now. Can momondo alert me if prices change?

Price alerts on flights to United Kingdom from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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