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Cheap flights from the United Kingdom to Sydney from $624

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
28 Mar — 4 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 26 February 2026.

Tue 15/910:40
GLA
-
SYD
3 stops60h 40m
Multiple Airlines
Tue 13/1021:50
SYD
-
GLA
3 stops52h 15m
Multiple Airlines
Deal found 25/2$1,119
Mon 18/515:35
GLA
-
SYD
2 stops31h 50m
Multiple Airlines
Mon 15/621:45
SYD
-
GLA
2 stops44h 55m
Multiple Airlines
Deal found 23/2$1,312
Thu 7/522:10
LHR
-
SYD
1 stop25h 15m
China Southern
Sat 23/514:15
SYD
-
LHR
1 stop37h 45m
China Southern
Deal found 23/2$1,326
Sun 5/411:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Wed 29/420:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 24/2$1,328
Mon 6/418:05
LGW
-
SYD
1 stop29h 55m
China Eastern
Thu 14/511:00
SYD
-
LGW
1 stop37h 10m
China Eastern
Deal found 25/2$1,329
Mon 9/321:00
LHR
-
SYD
2 stops51h 00m
China Eastern
Tue 24/312:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 23/2$1,329
Sat 7/320:20
LGW
-
SYD
2 stops37h 00m
China Southern
Fri 20/311:25
SYD
-
LGW
2 stops40h 55m
China Southern
Deal found 24/2$1,330
Tue 3/321:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Tue 17/321:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 25/2$1,330
Fri 6/321:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Sat 21/321:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 25/2$1,332
Thu 22/1018:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Tue 3/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 24/2$1,333
Tue 3/322:00
LHR
-
SYD
1 stop35h 20m
China Southern
Tue 17/311:25
SYD
-
LHR
2 stops42h 10m
China Southern
Deal found 23/2$1,333
Sun 7/611:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Sun 5/711:00
SYD
-
LGW
1 stop37h 10m
China Eastern
Deal found 23/2$1,335

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 26 February 2026.

Round-trip from

$1,312

One-way from

$624

Popular in

December

Cheapest in

May

Average price

$1,698
18/5-15/6
  • 18/5-15/6
  • 4 total stops
  • 76h 45m 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 ($230 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 February 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 26 February 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 9/6

11:35-08:00

3 stops35h 25m

Sydney Kingsford Smith

Sun 14/6

20:30-15:10

1 stop27h 40m

$1,339

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 27/4

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Sun 3/5

20:30-18:40

1 stop31h 10m

$1,383

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 22/4

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Sat 2/5

10:00-18:40

3 stops65h 40m

$1,394

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 25/4

11:35-08:00

3 stops35h 25m

Sydney Kingsford Smith

Mon 27/4

10:00-15:00

3 stops62h 00m

$1,408

LondonSydney

STN - SYD

STNSYD

London Stansted

Sat 4/4

17:45-06:10

2 stops27h 25m

Sydney Kingsford Smith

Thu 30/4

21:30-16:40

2 stops28h 10m

$1,461

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 27/4

06:30-16:50

2 stops25h 20m

Sydney Kingsford Smith

Tue 5/5

15:40-15:10

2 stops32h 30m

$1,485

LondonSydney

LTN - SYD

LTNSYD

London Luton

Wed 8/4

21:50-14:15

2 stops55h 25m

Sydney Kingsford Smith

Wed 22/4

21:05-15:55

2 stops27h 50m

$1,508

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 16/4

07:00-19:10

2 stops27h 10m

Sydney Kingsford Smith

Sun 26/4

15:40-09:55

2 stops27h 15m

$1,578

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Fri 7/8

10:25-08:20

1 stop36h 55m

Sydney Kingsford Smith

Sat 22/8

09:45-07:25

1 stop30h 40m

$1,608

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

$1,632

Flights are sorted by cheapest return flights first.

Deals found on 22/2

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, June is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of $933). Flying from United Kingdom to Sydney in July is currently the most expensive (average of $1,395). 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 26 February 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 26 February 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 26 February 2026.
See what other customers who have flown with Cathay Pacific, Qatar Airways, andEtihad Airways 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
1,179 reviews
Check prices

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

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
1,179 reviews
Cathay Pacific
7.6
Good
1,179 reviews
Check prices

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

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
3,746 reviews
Cathay Pacific
7.6
Good
1,179 reviews
Check prices

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

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
1,416 reviews
Cathay Pacific
7.6
Good
1,179 reviews
Check prices

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

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
7.3
Good
137 reviews
Cathay Pacific
7.6
Good
1,179 reviews
Check prices

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

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
1,179 reviews
Check prices

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

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 27h 25m. China Eastern provides one of the quickest options available for as low as $1,461. There are 16943 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 $647. Tianjin Airlines flights start at $680 while deals on China Eastern start at $688 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 $933). Flying from United Kingdom to Sydney in July is currently the most expensive (average of $1,395). 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
Leura
Coogee
Cronulla
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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$1,005Average$1,455FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,019Average$1,525FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest$1,108Average$2,303FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest$1,342Average$1,900FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest$1,416Average$2,319FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest$1,417Average$1,958FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Turkish AirlinesCheapest$1,421Average$1,852FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest$1,448Average$2,151FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China AirlinesCheapest$1,460Average$1,609FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Cathay PacificCheapest$1,466Average$1,946FlexibilityNo 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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