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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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
30 Apr — 7 May1
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 31 March 2026.

Mon 2/1117:05
LGW
-
SYD
2 stops26h 30m
Turkish Airlines
Mon 23/1116:35
SYD
-
LGW
2 stops27h 35m
Turkish Airlines
Deal found 26/3£743
Sat 9/514:45
LHR
-
SYD
1 stop30h 25m
Etihad Airways
Wed 13/515:40
SYD
-
LHR
1 stop30h 05m
Etihad Airways
Deal found 29/3£743
Mon 1/612:25
LTN
-
SYD
2 stops32h 45m
Multiple Airlines
Sun 7/611:25
SYD
-
LTN
2 stops34h 50m
Multiple Airlines
Deal found 27/3£744
Wed 28/1010:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Wed 18/1121:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 28/3£745
Mon 19/1021:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Mon 16/1112:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 27/3£745
Thu 29/1009:25
LGW
-
SYD
2 stops36h 50m
Multiple Airlines
Tue 3/1114:20
SYD
-
LGW
2 stops38h 45m
Multiple Airlines
Deal found 28/3£746
Tue 12/521:45
LHR
-
SYD
1 stop34h 05m
Etihad Airways
Mon 15/621:30
SYD
-
LHR
1 stop24h 15m
Etihad Airways
Deal found 27/3£746
Tue 20/1018:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Sun 15/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 27/3£746
Fri 20/1117:20
STN
-
SYD
2 stops26h 15m
Turkish Airlines
Fri 4/1221:30
SYD
-
STN
2 stops29h 50m
Turkish Airlines
Deal found 27/3£746
Sun 7/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Sun 14/619:40
SYD
-
LHR
1 stop31h 00m
Air China
Deal found 26/3£746
Tue 14/421:10
LHR
-
SYD
1 stop34h 40m
Etihad Airways
Tue 12/515:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Deal found 27/3£747
Wed 21/1011:35
LGW
-
SYD
2 stops59h 25m
China Eastern
Tue 3/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 30/3£748

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 31 March 2026.

Round-trip from

£743

One-way from

£365

Popular in

December

Cheapest in

May

Average price

£953

Good round-trip deal

£1,129 or less

Good one-way deal

£832 or less
Etihad Airways
  • Etihad Airways
  • 9/5-13/5
  • 2 total stops
  • 60h 30m total
  • United Kingdom to Sydney
Search Deals
15/6
  • 15/6
  • 2 total stops
  • 31h 45m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 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

LTN - SYD

LTNSYD

London Luton

Mon 1/6

12:25-06:10

2 stops32h 45m

Sydney Kingsford Smith

Sun 7/6

11:25-13:15

2 stops34h 50m

£744

LondonSydney

LTN - SYD

LTNSYD

London Luton

Mon 11/5

09:55-06:10

2 stops35h 15m

Sydney Kingsford Smith

Mon 18/5

20:50-22:15

2 stops34h 25m

£753

LondonSydney

LTN - SYD

LTNSYD

London Luton

Wed 13/5

21:50-16:50

2 stops34h 00m

Sydney Kingsford Smith

Wed 20/5

15:40-14:00

2 stops31h 20m

£808

LondonSydney

LTN - SYD

LTNSYD

London Luton

Thu 14/5

05:40-16:50

2 stops26h 10m

Sydney Kingsford Smith

Thu 21/5

20:50-23:00

2 stops35h 10m

£833

LondonSydney

LTN - SYD

LTNSYD

London Luton

Wed 6/5

12:55-06:10

2 stops32h 15m

Sydney Kingsford Smith

Wed 13/5

15:40-17:50

2 stops35h 10m

£864

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 23/9

10:25-08:20

1 stop36h 55m

Sydney Kingsford Smith

Wed 30/9

20:50-07:05

1 stop43h 15m

£879

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 22/9

21:10-10:45

1 stop28h 35m

Sydney Kingsford Smith

Fri 2/10

22:10-16:30

1 stop27h 20m

£908

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 14/9

11:35-12:35

1 stop40h 00m

Sydney Kingsford Smith

Mon 12/10

12:00-06:40

1 stop28h 40m

£958

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 21/4

21:10-16:50

1 stop34h 40m

Sydney Kingsford Smith

Fri 24/7

21:30-12:45

1 stop24h 15m

£967

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 23/4

09:00-06:10

1 stop36h 10m

Sydney Kingsford Smith

Tue 26/5

14:50-13:25

1 stop31h 35m

£1,004

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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, June is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £524). Flying from United Kingdom to Sydney in July is currently the most expensive (average of £756). 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 31 March 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.

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 31 March 2026.
Check out reviews from past customers who have flown with Emirates,Cathay Pacific, andQatar Airways 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
3,550 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very Good
3,550 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Cathay Pacific
7.6
Good
1,234 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,729 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Etihad Airways
7.3
Good
1,432 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
China Eastern
7.2
Good
200 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.1

Entertainment

8.2

Food

7.9

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

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?

    AirAsia X, China Airlines, and China Eastern can get you from United Kingdom to Sydney in just under 28h 35m. Your travel time can differ by up to 11h 25m. 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?

    £286 is the cheapest one-way deal found within the past few days, from AirAsia X. You may also be able to find cheap deals on Beijing Capital Airlines and China Eastern, with prices starting from £335 and £342, 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 £4,373 for a flight from United Kingdom to Sydney. The cheapest flight overall is £681 while the most popular route, (London Heathrow - Sydney Kingsford Smith) is currently priced at £638.

  • 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, June is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £524). Flying from United Kingdom to Sydney in July is currently the most expensive (average of £756). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£207Average£785FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£537Average£776FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£546Average£1,108FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
LufthansaCheapest£684Average£984FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Asiana AirlinesCheapest£688Average£1,487FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
SWISSCheapest£690Average£982FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£697Average£1,062FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China AirlinesCheapest£772Average£889FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air New ZealandCheapest£778Average£1,244FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Vietnam AirlinesCheapest£847Average£949FlexibilityNo cancel feeOn-time81%
Search Vietnam 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 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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