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Cheap flights from the United Kingdom to Sydney from $627

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
4 Apr — 11 Apr1
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 5 March 2026.

Tue 17/317:00
LGW
-
SYD
2 stops51h 20m
China Eastern
Sun 29/311:05
SYD
-
LGW
3 stops61h 55m
China Eastern
Deal found 3/3$1,330
Tue 2/622:10
LHR
-
SYD
1 stop25h 15m
China Southern
Fri 12/610:05
SYD
-
LHR
1 stop42h 15m
China Southern
Deal found 4/3$1,330
Sun 26/417:55
LGW
-
SYD
1 stop30h 05m
China Eastern
Thu 14/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 3/3$1,332
Mon 2/1121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Thu 19/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 3/3$1,332
Thu 14/518:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Fri 22/511:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 5/3$1,333
Mon 20/422:10
LHR
-
SYD
1 stop36h 15m
China Southern
Tue 5/514:10
SYD
-
LHR
1 stop38h 10m
China Southern
Deal found 3/3$1,333
Wed 8/411:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Wed 13/520:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 3/3$1,334
Sat 25/416:50
STN
-
SYD
2 stops33h 55m
Multiple Airlines
Fri 8/513:00
SYD
-
STN
2 stops32h 35m
Multiple Airlines
Deal found 4/3$1,334
Wed 11/321:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Mon 16/313:30
SYD
-
LHR
2 stops39h 00m
China Eastern
Deal found 2/3$1,334
Thu 21/507:55
GLA
-
SYD
2 stops26h 30m
Multiple Airlines
Thu 11/614:10
SYD
-
GLA
2 stops31h 30m
Multiple Airlines
Deal found 2/3$1,336
Tue 10/317:00
LGW
-
SYD
2 stops31h 00m
China Eastern
Tue 17/309:20
SYD
-
LGW
2 stops56h 10m
China Eastern
Deal found 2/3$1,336
Thu 24/920:15
NCL
-
SYD
2 stops38h 10m
Multiple Airlines
Thu 15/1011:05
SYD
-
NCL
2 stops44h 50m
Multiple Airlines
Deal found 3/3$1,336

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 5 March 2026.

Round-trip from

$1,330

One-way from

$627

Popular in

December

Cheapest in

May

Average price

$1,698
China Eastern
  • China Eastern
  • 17/3-29/3
  • 5 total stops
  • 113h 15m total
  • United Kingdom to Sydney
Search Deals
8/4
  • 8/4
  • 3 total stops
  • 58h 55m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($233 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 647,157 searches. Data last updated 5 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

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 2/6

11:35-08:00

2 stops35h 25m

Sydney Kingsford Smith

Fri 12/6

11:00-06:40

1 stop28h 40m

$1,350

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 10/5

19:00-09:00

1 stop29h 00m

Sydney Kingsford Smith

Mon 1/6

20:30-15:00

1 stop27h 30m

$1,398

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 6/5

06:55-06:10

2 stops38h 15m

Sydney Kingsford Smith

Sun 7/6

15:40-09:55

2 stops27h 15m

$1,435

LondonSydney

STN - SYD

STNSYD

London Stansted

Thu 7/5

17:35-16:50

2 stops38h 15m

Sydney Kingsford Smith

Sun 7/6

15:40-09:55

2 stops27h 15m

$1,435

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 1/6

18:05-12:35

1 stop33h 30m

Sydney Kingsford Smith

Sat 6/6

10:00-16:00

2 stops39h 00m

$1,455

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 30/6

10:25-08:20

1 stop36h 55m

Sydney Kingsford Smith

Mon 24/8

20:50-07:25

1 stop43h 35m

$1,556

LondonSydney

STN - SYD

STNSYD

London Stansted

Fri 15/5

10:50-19:10

2 stops47h 20m

Sydney Kingsford Smith

Tue 16/6

15:40-09:55

2 stops27h 15m

$1,573

LondonSydney

STN - SYD

STNSYD

London Stansted

Tue 7/4

17:35-19:10

2 stops40h 35m

Sydney Kingsford Smith

Tue 21/4

15:40-09:55

2 stops27h 15m

$1,577

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Mon 4/5

20:45-06:10

1 stop24h 25m

Sydney Kingsford Smith

Mon 18/5

15:40-13:00

1 stop30h 20m

$1,640

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Wed 13/5

09:20-06:10

1 stop35h 50m

Sydney Kingsford Smith

Sun 17/5

15:40-06:55

1 stop24h 15m

$1,658

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $941). Flying from United Kingdom to Sydney in July is currently the most expensive (average of $1,407). 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 5 March 2026.

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

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 5 March 2026.

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

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 5 March 2026.
See what other customers who have flown with Cathay Pacific, Qatar Airways, andChina Southern from the United Kingdom to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,191 reviews
Check prices

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Cathay Pacific
7.6
Good
1,191 reviews
Cathay Pacific
7.6
Good
1,191 reviews
Check prices

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Qatar Airways
7.4
Good
3,745 reviews
Cathay Pacific
7.6
Good
1,191 reviews
Check prices

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
China Southern
7.4
Good
140 reviews
Cathay Pacific
7.6
Good
1,191 reviews
Check prices

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Etihad Airways
7.3
Good
1,424 reviews
Cathay Pacific
7.6
Good
1,191 reviews
Check prices

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
China Eastern
7.2
Good
196 reviews
Cathay Pacific
7.6
Good
1,191 reviews
Check prices

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.

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 7.5 km from Sydney’s city centre.

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

    A quick flight from United Kingdom to Sydney can take about 25h 15m. China Southern provides one of the quickest options available for as low as $1,330. There are 17008 km between United Kingdom and Sydney. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $653. Tianjin Airlines flights start at $685 while deals on China Eastern start at $693 one-way.

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

    The most popular flight routes from United Kingdom to Sydney are London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith and London Stansted - Sydney Kingsford Smith.

  • 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 $941). Flying from United Kingdom to Sydney in July is currently the most expensive (average of $1,407). 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
Parramatta
Wollongong
Penrith
Katoomba
Manly
Terrigal
Lithgow
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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 647,157 searches. Data last updated 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$1,014Average$1,489FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,028Average$1,538FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest$1,117Average$2,322FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest$1,353Average$1,835FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest$1,428Average$2,338FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest$1,428Average$1,974FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Turkish AirlinesCheapest$1,433Average$1,868FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest$1,460Average$2,138FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China AirlinesCheapest$1,472Average$1,623FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Cathay PacificCheapest$1,478Average$1,963FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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?

Deals for United Kingdom to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from United Kingdom to Sydney with no change fees.

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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