Cheap flights from the United Kingdom to Sydney from £349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Sydney departing on 1/7. 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 the United Kingdom to Sydney

Recent return flight deals from the United Kingdom to Sydney

Enter your travel dates to find the best prices.
China Eastern Logo
17:00 - 07:20
LGW
-
SYD
51h 20m
2 stops
China Eastern Logo
11:00 - 06:40
SYD
-
LGW
53h 40m
2 stops
£701China Eastern
Tue, 17 Mar - Mon, 30 Mar
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
20:30 - 18:40
SYD
-
LHR
31h 10m
1 stop
£701China Eastern
Sun, 17 May - Wed, 10 Jun
China Eastern Logo
17:55 - 09:00
LGW
-
SYD
30h 05m
1 stop
China Eastern Logo
11:00 - 06:40
SYD
-
LGW
28h 40m
1 stop
£702China Eastern
Sun, 26 Apr - Thu, 14 May
China Southern Logo
22:10 - 19:25
LHR
-
SYD
36h 15m
1 stop
China Southern Logo
14:10 - 19:20
SYD
-
LHR
38h 10m
1 stop
£702China Southern
Mon, 20 Apr - Tue, 5 May
China Southern Logo
19:15 - 19:25
LHR
-
SYD
39h 10m
2 stops
China Southern Logo
21:45 - 19:20
SYD
-
LHR
30h 35m
1 stop
£703China Southern
Wed, 15 Apr - Sun, 3 May
Cathay Pacific Logo
16:35 - 08:40
EDI
-
SYD
31h 05m
2 stops
Cathay Pacific Logo
14:05 - 09:20
SYD
-
EDI
28h 15m
2 stops
£723Cathay Pacific
Mon, 27 Apr - Mon, 11 May
Etihad Airways Logo
13:40 - 17:55
MAN
-
SYD
41h 15m
1 stop
Etihad Airways Logo
20:50 - 18:35
SYD
-
MAN
30h 45m
1 stop
£780Etihad Airways
Tue, 17 Mar - Tue, 7 Apr
Etihad Airways Logo
08:25 - 17:55
MAN
-
SYD
22h 30m
1 stop
Etihad Airways Logo
15:40 - 13:00
SYD
-
MAN
30h 20m
1 stop
£781Etihad Airways
Fri, 20 Mar - Sun, 3 May
Cathay Pacific Logo
11:10 - 06:10
MAN
-
SYD
34h 00m
1 stop
Cathay Pacific Logo
07:40 - 08:15
SYD
-
MAN
33h 35m
1 stop
£792Cathay Pacific
Wed, 1 Jul - Thu, 20 Aug
Emirates Logo
14:15 - 17:30
NCL
-
SYD
42h 15m
1 stop
Emirates Logo
06:00 - 12:05
SYD
-
NCL
39h 05m
1 stop
£1,031Emirates
Tue, 16 Jun - Tue, 7 Jul

Qantas Airways flights from United Kingdom to Sydney

Our best Qantas Airways deals on United Kingdom to Sydney flight tickets
Qantas Airways
16 Jun
NCL14:15Newcastle upon Tyne
42h 15m
1 stop
SYD17:30Sydney Kingsford Smith
7 Jul
SYD06:00Sydney Kingsford Smith
39h 05m
1 stop
NCL12:05Newcastle upon Tyne
£1,028
Qantas Airways
4 May
BHX14:35Birmingham
22h 30m
1 stop
SYD22:05Sydney Kingsford Smith
8 May
SYD20:10Sydney Kingsford Smith
32h 30m
1 stop
BHX19:40Birmingham
£1,045
Qantas Airways
11 Mar
BHX13:40Birmingham
30h 20m
1 stop
SYD07:00Sydney Kingsford Smith
18 Mar
SYD21:45Sydney Kingsford Smith
24h 55m
1 stop
BHX11:40Birmingham
£1,058

Etihad Airways flights from United Kingdom to Sydney

Our best Etihad Airways deals on United Kingdom to Sydney flight tickets
Etihad Airways
16 Mar
MAN08:25Manchester
35h 10m
1 stop
SYD06:35Sydney Kingsford Smith
6 Apr
SYD21:30Sydney Kingsford Smith
42h 25m
1 stop
MAN06:55Manchester
£779
Etihad Airways
16 Mar
MAN08:25Manchester
22h 30m
1 stop
SYD17:55Sydney Kingsford Smith
30 Mar
SYD16:40Sydney Kingsford Smith
24h 15m
1 stop
MAN06:55Manchester
£780
Etihad Airways
20 Mar
MAN08:25Manchester
22h 30m
1 stop
SYD17:55Sydney Kingsford Smith
3 May
SYD15:40Sydney Kingsford Smith
30h 20m
1 stop
MAN13:00Manchester
£781

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Sydney 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 7 March 2026.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 17/3

17:00-07:20

2 stops51h 20m

Sydney Kingsford Smith

Mon 30/3

11:00-06:40

2 stops53h 40m

£701

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 17/5

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Wed 10/6

20:30-18:40

1 stop31h 10m

£701

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 26/4

17:55-09:00

1 stop30h 05m

Sydney Kingsford Smith

Thu 14/5

11:00-06:40

1 stop28h 40m

£702

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 20/4

22:10-19:25

1 stop36h 15m

Sydney Kingsford Smith

Tue 5/5

14:10-19:20

1 stop38h 10m

£702

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 15/4

19:15-19:25

2 stops39h 10m

Sydney Kingsford Smith

Sun 3/5

21:45-19:20

1 stop30h 35m

£703

EdinburghSydney

EDI - SYD

EDISYD

Edinburgh Turnhouse

Mon 27/4

16:35-08:40

2 stops31h 05m

Sydney Kingsford Smith

Mon 11/5

14:05-09:20

2 stops28h 15m

£723

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Tue 17/3

13:40-17:55

1 stop41h 15m

Sydney Kingsford Smith

Tue 7/4

20:50-18:35

1 stop30h 45m

£780
Fastest return journey

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Fri 20/3

08:25-17:55

1 stop22h 30m

Sydney Kingsford Smith

Sun 3/5

15:40-13:00

1 stop30h 20m

£781

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Wed 1/7

11:10-06:10

1 stop34h 00m

Sydney Kingsford Smith

Thu 20/8

07:40-08:15

1 stop33h 35m

£792

Newcastle upon TyneSydney

NCL - SYD

NCLSYD

Newcastle upon Tyne

Tue 16/6

14:15-17:30

1 stop42h 15m

Sydney Kingsford Smith

Tue 7/7

06:00-12:05

1 stop39h 05m

£1,031

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 Sydney from

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

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 Sydney?

In general, May is the cheapest month to fly from United Kingdom to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £774. If you don’t want to visit Sydney in May, then you should wait until June to fly from United Kingdom, when ticket prices are also cheap, with an average price of £830.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £1,180. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,326.

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

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

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £1,009 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from United Kingdom for as low as £949 on momondo.

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

There are 4 cabin classes available to choose from on United Kingdom to Sydney Kingsford Smith 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 United Kingdom to Sydney flights?

You could potentially save up to 13% on your flight if you consider stops on a United Kingdom to Sydney flight.

Cheap United Kingdom to Sydney flight deals and tips

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

Best price found

£935

Fastest flight time

21h 25m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from United Kingdom in the past 72 hours is £935. The best return flight deal from United Kingdom to Sydney found on momondo in the last 72 hours is £1,075.
The fastest flight from United Kingdom to Sydney takes 21h 25m
Direct flights go from United Kingdom to Sydney every day.
There is 1 airport in Sydney. From United Kingdom there are direct flights to Sydney Kingsford Smith (SYD).
  • When did momondo last update prices for flights from United Kingdom to Sydney Kingsford Smith Airport?

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport 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 United Kingdom to Sydney?

Best airlines flying from United Kingdom to Sydney

Compare and see reviews for airlines that fly from United Kingdom to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Hainan AirlinesPriceFrom £205Free CancellationRating
8.2
62 reviews
Search Hainan Airlines flights
China EasternPriceFrom £538Free CancellationRating
7.2
198 reviews
Search China Eastern flights
Air ChinaPriceFrom £539Free CancellationRating
7.3
141 reviews
Search Air China flights
LufthansaPriceFrom £677Free CancellationRating
6.8
7,833 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom £680Free CancellationRating
8.1
504 reviews
Search Asiana Airlines flights
SWISSPriceFrom £682Free CancellationRating
7.6
1,889 reviews
Search SWISS flights
Turkish AirlinesPriceFrom £690Free CancellationRating
7.3
4,249 reviews
Search Turkish Airlines flights
China AirlinesPriceFrom £763Free CancellationRating
8.3
809 reviews
Search China Airlines flights
Air New ZealandPriceFrom £770Free CancellationRating
8.0
608 reviews
Search Air New Zealand flights
Vietnam AirlinesPriceFrom £838Free CancellationRating
7.7
237 reviews
Search Vietnam Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Randwick
Coogee
Leura
Penrith
Manly
Katoomba
Cronulla
Swansea

Why use momondo?

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

Finding the right flight to Sydney from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

Flights from United Kingdom to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for United Kingdom to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from United Kingdom and alert you when they change.

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