Cheap flights from the United Kingdom to Sydney from £351

LHR — SYD
9 Dec — 16 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

Sun 6/1210:30 -
1 stop40h 05m
Sun 27/1209:20 -
1 stop32h 10m
Deal found 8/11£785
Sat 28/1121:00 -
1 stop29h 35m
Mon 14/1221:30 -
1 stop31h 00m
Deal found 7/11£785
Thu 31/1207:15 -
2 stops37h 50m
Sun 24/110:30 -
1 stop30h 50m
Deal found 7/11£785
Sun 29/1110:30 -
1 stop36h 30m
Sun 6/1212:00 -
1 stop37h 00m
Deal found 7/11£787
Thu 19/1110:30 -
2 stops35h 45m
Sat 5/1211:15 -
2 stops54h 15m
Deal found 7/11£788
Thu 19/1121:00 -
2 stops49h 00m
Sat 5/1211:15 -
3 stops41h 15m
Deal found 7/11£788
Mon 16/1117:00 -
2 stops53h 15m
Wed 25/1121:30 -
1 stop44h 00m
Deal found 5/11£790
Sat 28/1114:05 -
1 stop21h 25m
Sun 17/121:10 -
1 stop25h 55m
Deal found 9/11£790
Mon 23/1121:00 -
3 stops73h 05m
Mon 7/1211:15 -
3 stops41h 15m
Deal found 4/11£790
Wed 11/1110:30 -
1 stop36h 30m
Wed 30/1209:20 -
1 stop32h 10m
Deal found 4/11£791
Tue 10/1110:30 -
2 stops35h 45m
Tue 24/1112:00 -
1 stop37h 00m
Deal found 5/11£791
Wed 30/1221:30 -
2 stops35h 55m
Sun 31/120:40 -
1 stop30h 15m
Deal found 6/11£791

Find flight deals from United Kingdom to Sydney

Round-trip from

£785

One-way from

£351

Popular in

December

Cheapest in

May

Average price

£923

Good round-trip deal

£1,068 or less

Good one-way deal

£860 or less
China Eastern
  • China Eastern
  • 6/12-27/12
  • 2 total stops
  • 72h 15m total
  • United Kingdom to Sydney
19/11-31/12
  • 19/11-31/12
  • 2 total stops
  • 57h 05m total
  • United Kingdom to Sydney
Highest demand for flights based on searches. 6% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
Price to beat on a one-way 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

BirminghamSydney

BHX Birmingham - SYD Sydney Kingsford Smith

BHXSYD

Birmingham

Tue 1/12

18:20-13:35

2 stops56h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£353

GlasgowSydney

GLA Glasgow Intl - SYD Sydney Kingsford Smith

GLASYD

Glasgow Intl

Sun 6/12

16:00-10:35

2 stops31h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£392

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Thu 19/11

17:20-10:00

2 stops53h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£394

EdinburghSydney

EDI Edinburgh Turnhouse - SYD Sydney Kingsford Smith

EDISYD

Edinburgh Turnhouse

Sat 5/12

17:55-10:35

3 stops53h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£409

BirminghamSydney

BHX Birmingham - SYD Sydney Kingsford Smith

BHXSYD

Birmingham

Mon 30/11

06:05-13:35

3 stops44h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£411

BirminghamSydney

BHX Birmingham - SYD Sydney Kingsford Smith

BHXSYD

Birmingham

Sun 22/11

15:55-10:35

2 stops31h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£418

AberdeenSydney

ABZ Aberdeen Dyce - SYD Sydney Kingsford Smith

ABZSYD

Aberdeen Dyce

Tue 24/11

12:30-10:00

2 stops58h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£425

AberdeenSydney

ABZ Aberdeen Dyce - SYD Sydney Kingsford Smith

ABZSYD

Aberdeen Dyce

Thu 19/11

12:30-10:00

2 stops58h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£425

AberdeenSydney

ABZ Aberdeen Dyce - SYD Sydney Kingsford Smith

ABZSYD

Aberdeen Dyce

Sun 22/11

18:40-10:00

2 stops52h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£427

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Thu 18/2

08:40-18:20

1 stop22h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£618

Flights are sorted by cheapest return flights first.

Deals found on 9/11

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 £927). Flying from United Kingdom to Sydney in December is currently the most expensive (average of £1,427). 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?

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

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?

To ensure you get the cheapest price possible for a flight from United Kingdom to Sydney, you should look to book at least 45 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

Check out reviews from past customers who have flown with Emirates,Cathay Pacific, andQantas 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.

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.2

Crew

8.4

Comfort

8.1

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

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.2

Crew

8.4

Comfort

8.1

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

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.2

Crew

8.4

Comfort

8.1

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

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.2

Crew

8.4

Comfort

8.1

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

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.2

Crew

8.4

Comfort

8.1

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

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.2

Crew

8.4

Comfort

8.1

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

  • 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?

    Turkish Airlines, Shenzhen Airlines, and Qatar Airways can get you from United Kingdom to Sydney in just under 22h 40m. Your travel time can differ by up to 16h 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?

    £213 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 Air China, with prices starting from £283 and £335, respectively.

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

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

    On average you can expect to pay £4,157 for a flight from United Kingdom to Sydney. The cheapest flight overall is £555 while the most popular route, (London Heathrow - Sydney Kingsford Smith) is currently priced at £603.

  • 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 £927). Flying from United Kingdom to Sydney in December is currently the most expensive (average of £1,427). 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
Katoomba
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
Hainan AirlinesCheapest£204Average£569FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£410Average£716FlexibilityNo cancel feeOn-time67%
Search Air China flights
Turkish AirlinesCheapest£587Average£1,127FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Virgin AtlanticCheapest£588Average£1,292FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Asiana AirlinesCheapest£678Average£1,664FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
China AirlinesCheapest£764Average£933FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
LufthansaCheapest£793Average£1,040FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£821Average£1,198FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£851Average£1,280FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Juneyao AirlinesCheapest£882Average£945FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights

Fly with Cheapflights

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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