Cheap flights from the United Kingdom to Sydney from $679

LHR — SYD
26 Nov — 3 Dec1
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

Mon 2/1122:00 -
1 stop28h 20m
Sun 15/1115:10 -
1 stop38h 25m
Deal found 22/10$1,439
Wed 4/1109:50 -
1 stop40h 30m
Tue 17/1115:10 -
1 stop26h 30m
Deal found 22/10$1,441
Fri 20/1112:30 -
1 stop35h 05m
Fri 27/1122:30 -
1 stop33h 00m
Deal found 26/10$1,441
Tue 27/1010:30 -
1 stop40h 05m
Tue 3/1112:00 -
1 stop37h 00m
Deal found 26/10$1,442
Mon 23/1121:00 -
1 stop29h 35m
Fri 4/1212:00 -
1 stop29h 25m
Deal found 26/10$1,442
Mon 2/1109:50 -
1 stop23h 35m
Mon 16/1109:20 -
2 stops43h 00m
Deal found 22/10$1,443
Sun 1/1112:30 -
1 stop35h 05m
Sun 22/1122:30 -
1 stop33h 00m
Deal found 26/10$1,443
Tue 8/1220:20 -
2 stops30h 00m
Mon 8/309:20 -
2 stops43h 00m
Deal found 22/10$1,445
Wed 28/1021:00 -
2 stops49h 15m
Mon 30/1112:00 -
1 stop29h 25m
Deal found 22/10$1,445
Sun 1/1112:30 -
1 stop35h 05m
Fri 13/1111:25 -
1 stop42h 10m
Deal found 26/10$1,446
Tue 3/1120:20 -
2 stops30h 00m
Wed 18/1111:25 -
1 stop30h 05m
Deal found 24/10$1,448
Mon 2/1121:30 -
2 stops47h 00m
Mon 16/1115:10 -
1 stop38h 25m
Deal found 25/10$1,448

Find flight deals from United Kingdom to Sydney

Round-trip from

$1,439

One-way from

$679

Popular in

December

Cheapest in

May

Average price

$1,947

Good round-trip deal

$2,347 or less
China Southern
  • China Southern
  • 2/11-15/11
  • 2 total stops
  • 66h 45m total
  • United Kingdom to Sydney
19/11-31/12
  • 19/11-31/12
  • 2 total stops
  • 53h 00m total
  • United Kingdom to Sydney
Highest demand for flights based on searches. 6% potential increase in price ($195 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.

Cheapflights Fare Finder

 
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

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Tue 10/11

19:55-10:00

2 stops51h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$733

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Sat 7/11

13:10-10:35

3 stops58h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$821

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Wed 11/11

08:35-09:25

3 stops37h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$824

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Fri 11/12

17:00-15:05

3 stops59h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$860

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Fri 20/11

20:35-18:50

3 stops59h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$890

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Sat 12/12

06:00-18:50

3 stops49h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$894

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Mon 2/11

18:45-13:20

3 stops55h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$934

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Mon 14/12

06:15-08:05

2 stops38h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$942

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Fri 13/11

16:15-18:50

2 stops39h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$968

GlasgowSydney

GLA Glasgow Intl - SYD Sydney Kingsford Smith

GLASYD

Glasgow Intl

Sat 3/4

22:00-08:25

2 stops49h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$999

Flights are sorted by cheapest return flights first.

Deals found on 27/10

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

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 $1,764). Flying from United Kingdom to Sydney in December is currently the most expensive (average of $2,713). 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?

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

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).

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

The price you pay for your flight from United Kingdom to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Sydney

See what other customers who have flown with Qantas Airways,China Southern, andQatar 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.

Overall

7.5

Food

7.0

Entertainment

7.2

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Robyn,Aug 2026

LAX - SYD

I was flabbergasted when the crew completely missed me in the distribution of food and drinks in Business Class - even after they looked twice at my opened table. However - this has happened to me on my last longhaul QF flight and with the same hosty (older woman with curly bob). She obviously cannot handly the stress of initial boarding as both times she has come back to me with an apology. When compared to our usual Business/ First longhauls with Qatar or Emirates, Qantas leave ALOT to be desired. I would highly recommend going with another airline. BTW I'm a 4th gen Aussie and previous Qantas employee - I would love to love them if they provided service but they just dont.

Overall

7.5

Food

7.0

Entertainment

7.2

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Robyn,Aug 2026

LAX - SYD

I was flabbergasted when the crew completely missed me in the distribution of food and drinks in Business Class - even after they looked twice at my opened table. However - this has happened to me on my last longhaul QF flight and with the same hosty (older woman with curly bob). She obviously cannot handly the stress of initial boarding as both times she has come back to me with an apology. When compared to our usual Business/ First longhauls with Qatar or Emirates, Qantas leave ALOT to be desired. I would highly recommend going with another airline. BTW I'm a 4th gen Aussie and previous Qantas employee - I would love to love them if they provided service but they just dont.

Overall

7.5

Food

7.0

Entertainment

7.2

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Robyn,Aug 2026

LAX - SYD

I was flabbergasted when the crew completely missed me in the distribution of food and drinks in Business Class - even after they looked twice at my opened table. However - this has happened to me on my last longhaul QF flight and with the same hosty (older woman with curly bob). She obviously cannot handly the stress of initial boarding as both times she has come back to me with an apology. When compared to our usual Business/ First longhauls with Qatar or Emirates, Qantas leave ALOT to be desired. I would highly recommend going with another airline. BTW I'm a 4th gen Aussie and previous Qantas employee - I would love to love them if they provided service but they just dont.

Overall

7.5

Food

7.0

Entertainment

7.2

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Robyn,Aug 2026

LAX - SYD

I was flabbergasted when the crew completely missed me in the distribution of food and drinks in Business Class - even after they looked twice at my opened table. However - this has happened to me on my last longhaul QF flight and with the same hosty (older woman with curly bob). She obviously cannot handly the stress of initial boarding as both times she has come back to me with an apology. When compared to our usual Business/ First longhauls with Qatar or Emirates, Qantas leave ALOT to be desired. I would highly recommend going with another airline. BTW I'm a 4th gen Aussie and previous Qantas employee - I would love to love them if they provided service but they just dont.

Overall

7.5

Food

7.0

Entertainment

7.2

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Robyn,Aug 2026

LAX - SYD

I was flabbergasted when the crew completely missed me in the distribution of food and drinks in Business Class - even after they looked twice at my opened table. However - this has happened to me on my last longhaul QF flight and with the same hosty (older woman with curly bob). She obviously cannot handly the stress of initial boarding as both times she has come back to me with an apology. When compared to our usual Business/ First longhauls with Qatar or Emirates, Qantas leave ALOT to be desired. I would highly recommend going with another airline. BTW I'm a 4th gen Aussie and previous Qantas employee - I would love to love them if they provided service but they just dont.

Overall

7.5

Food

7.0

Entertainment

7.2

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Robyn,Aug 2026

LAX - SYD

I was flabbergasted when the crew completely missed me in the distribution of food and drinks in Business Class - even after they looked twice at my opened table. However - this has happened to me on my last longhaul QF flight and with the same hosty (older woman with curly bob). She obviously cannot handly the stress of initial boarding as both times she has come back to me with an apology. When compared to our usual Business/ First longhauls with Qatar or Emirates, Qantas leave ALOT to be desired. I would highly recommend going with another airline. BTW I'm a 4th gen Aussie and previous Qantas employee - I would love to love them if they provided service but they just dont.

Related info for your journey

  • 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 26h. Turkish Airlines provides one of the quickest options available for as low as $1,863. 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 $507. AirAsia X flights start at $576 while deals on Tianjin Airlines start at $680 one-way.

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

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

    Looking at all options, your cheapest flight can be booked for $2,318. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for $1,142 on average, our data indicates $2,570 when flying from United Kingdom to Sydney.

  • 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 $1,764). Flying from United Kingdom to Sydney in December is currently the most expensive (average of $2,713). 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
Manly
Cronulla
Lithgow
Terrigal
Katoomba
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from United Kingdom to Sydney

AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$1,245Average$1,746FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,381Average$1,564FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Qatar AirwaysCheapest$1,432Average$2,780FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air IndiaCheapest$1,450Average$2,219FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,479Average$1,967FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest$1,482Average$2,191FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest$1,491Average$2,190FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,691Average$2,539FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EmiratesCheapest$1,710Average$2,129FlexibilityNo cancel feeOn-time75%
Search Emirates flights
American AirlinesCheapest$1,839Average$1,959FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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.

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

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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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