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Cheap flights from the United Kingdom to Sydney from £365

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Sydney
Explore the most affordable flight options available from United Kingdom to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 June 2026.

Thu 10/906:10
EDI
-
SYD
2 stops28h 15m
Multiple Airlines
Wed 18/1111:25
SYD
-
EDI
2 stops37h 10m
Multiple Airlines
Deal found 26/6£846
Mon 24/820:20
LGW
-
SYD
1 stop33h 30m
Air China
Thu 3/919:40
SYD
-
LGW
1 stop31h 25m
Air China
Deal found 29/6£876
Sat 24/1018:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Wed 18/1112:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 25/6£878
Mon 16/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Thu 26/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 26/6£878
Sat 24/1018:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Mon 9/1112:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 27/6£879
Wed 1/721:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Wed 8/710:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Deal found 26/6£879
Mon 19/1011:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Thu 5/1112:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 27/6£879
Thu 27/821:20
LHR
-
SYD
1 stop26h 40m
Multiple Airlines
Tue 15/921:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Deal found 26/6£879
Sat 4/711:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Sat 18/720:30
SYD
-
LGW
1 stop43h 10m
China Eastern
Deal found 25/6£880
Mon 21/921:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Mon 12/1012:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Deal found 29/6£880
Mon 7/1209:50
LGW
-
SYD
1 stop33h 45m
China Southern
Thu 18/215:15
SYD
-
LGW
1 stop26h 15m
China Southern
Deal found 29/6£881
Wed 1/711:35
LGW
-
SYD
1 stop36h 25m
Multiple Airlines
Fri 17/710:05
SYD
-
LGW
1 stop38h 20m
Multiple Airlines
Deal found 28/6£882

Find flight deals from United Kingdom to Sydney

Keep the following information in mind while searching for United Kingdom to Sydney flight deals. Data was last updated 29 June 2026.

Round-trip from

£846

One-way from

£365

Popular in

December

Cheapest in

May

Average price

£919

Good round-trip deal

£1,165 or less

Good one-way deal

£842 or less
10/9-18/11
  • 10/9-18/11
  • 4 total stops
  • 65h 25m total
  • United Kingdom to Sydney
Search Deals
16/11
  • 16/11
  • 3 total stops
  • 56h 10m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from United Kingdom to Sydney Kingsford Smith.
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 29 June 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

LHR - SYD

LHRSYD

London Heathrow

Wed 26/8

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Tue 15/9

11:00-18:40

1 stop40h 40m

£922

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 19/9

18:00-08:05

3 stops53h 05m

Sydney Kingsford Smith

Fri 9/10

21:30-15:00

1 stop27h 30m

£935

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 22/10

11:35-10:00

1 stop36h 25m

Sydney Kingsford Smith

Sun 8/11

12:00-14:00

1 stop37h 00m

£937

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 21/9

18:30-09:35

2 stops30h 05m

Sydney Kingsford Smith

Mon 12/10

12:15-16:00

2 stops37h 45m

£960

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 14/7

11:35-12:35

1 stop40h 00m

Sydney Kingsford Smith

Sat 15/8

10:00-19:15

3 stops42h 15m

£961

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 21/9

13:25-09:35

2 stops35h 10m

Sydney Kingsford Smith

Sun 11/10

12:05-09:50

2 stops31h 45m

£965

Newcastle upon TyneSydney

NCL - SYD

NCLSYD

Newcastle upon Tyne

Tue 15/9

17:45-19:35

2 stops40h 50m

Sydney Kingsford Smith

Thu 8/10

22:10-09:10

2 stops45h 00m

£988

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 12/11

17:25-19:35

2 stops39h 10m

Sydney Kingsford Smith

Fri 27/11

21:30-16:30

2 stops30h 00m

£1,004

LondonSydney

STN - SYD

STNSYD

London Stansted

Sun 27/9

06:55-20:30

2 stops28h 35m

Sydney Kingsford Smith

Mon 12/10

12:15-16:40

2 stops38h 25m

£1,019

LondonSydney

LTN - SYD

LTNSYD

London Luton

Thu 12/11

06:55-18:50

2 stops48h 55m

Sydney Kingsford Smith

Fri 27/11

21:30-15:35

2 stops29h 05m

£1,037

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from United Kingdom 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 the United Kingdom to Sydney

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

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £921). Flying from United Kingdom to Sydney in December is currently the most expensive (average of £1,446). 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 GB to SYD?

Find hourly flight availability from United Kingdom to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 June 2026.

When flying from United Kingdom to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Sydney

Explore weekly flight availability from United Kingdom to Sydney. 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 29 June 2026.

The most flights from GB0 to SYD are scheduled on a Friday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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

To ensure you get the cheapest price possible for a flight from United Kingdom to Sydney, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 29 June 2026.
Check out reviews from past customers who have flown with Emirates,Cathay Pacific, andChina Southern from the United Kingdom to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,602 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights
Emirates
8.1
Very Good
3,602 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights
Cathay Pacific
7.6
Good
1,396 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights
China Southern
7.5
Good
154 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights
Qatar Airways
7.3
Good
3,736 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights
Etihad Airways
7.3
Good
1,469 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Sydney. 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 into for flights to Sydney from United Kingdom?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from United Kingdom. Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from United Kingdom to Sydney?

    China Eastern, Turkish Airlines, and Malaysia Airlines can get you from United Kingdom to Sydney in just under 30h 05m. Your travel time can differ by up to 19h 35m. United Kingdom and Sydney are separated by a distance of 10568 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to Sydney one-way?

    £217 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on AirAsia X and Beijing Capital Airlines, with prices starting from £288 and £335, respectively.

  • What are the most popular routes from United Kingdom to Sydney?

    Most travelers choose London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith or London Stansted - Sydney Kingsford Smith when deciding on the best route from United Kingdom to Sydney.

  • What are the cheapest flights from United Kingdom to Sydney?

    On average you can expect to pay £3,011 for a flight from United Kingdom to Sydney. The cheapest flight overall is £765 while the most popular route, (London Heathrow - Sydney Kingsford Smith) is currently priced at £679.

  • Can I find deals for flights from United Kingdom to Sydney that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Sydney.

  • Can I find deals for business class flights from United Kingdom to Sydney?

    Yes. Cheapflights offers flight deals from United Kingdom to Sydney 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 United Kingdom to Sydney?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £921). Flying from United Kingdom to Sydney in December is currently the most expensive (average of £1,446). 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
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from United Kingdom to Sydney

Discover the top 10 airlines that operate flights from United Kingdom to Sydney. 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 29 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£207Average£727FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£527Average£775FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£689Average£1,545FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
SWISSCheapest£691Average£1,027FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air New ZealandCheapest£779Average£1,246FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
China AirlinesCheapest£783Average£909FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
LufthansaCheapest£802Average£998FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Vietnam AirlinesCheapest£831Average£1,253FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
United AirlinesCheapest£863Average£982FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£884Average£1,311FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 United Kingdom to Sydney?

When you search for this flight from United Kingdom to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Sydney.

Can Cheapflights find flights from United Kingdom to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to Sydney become cheaper?

Yes! Start tracking prices for United Kingdom to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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