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Cheap flights from the United Kingdom to Sydney from $840

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
1 1월 — 8 1월1
1 adult
1 adult, Economy, 0 bags

Cheap 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 2 12월 2025.

Round-trip from

$1,219

One-way from

$840

Popular in

December

Cheapest in

May

Average price

$2,709

Good round-trip deal

$2,056 or less

Good one-way deal

$1,892 or less
4/5-25/5
  • 4/5-25/5
  • 4 total stops
  • 71h 20m total
  • United Kingdom to Sydney
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24/4
  • 24/4
  • 3 total stops
  • 58h 35m total
  • United Kingdom to Sydney
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Highest demand for flights based on searches. 9% potential increase in price ($325 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
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Price to beat on a one-way flight from United Kingdom to Sydney Kingsford Smith.
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Find 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 2 12월 2025.

일 30/1121:15LHR - SYD
1 stop30h 40mHainan Airlines
일 14/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Deal found 30/11$1,541
금 5/1221:00LHR - SYD
1 stop31h 20mHainan Airlines
화 9/1221:00SYD - LHR
1 stop30h 20mHainan Airlines
Deal found 1/12$1,544
화 2/1217:40LHR - SYD
1 stop34h 50mAir China
화 9/1220:40SYD - LHR
1 stop32h 10mAir China
Deal found 30/11$1,551
수 31/1222:00LHR - SYD
1 stop24h 25mChina Southern
화 13/122:00SYD - LHR
1 stop31h 35mChina Southern
Deal found 30/11$1,554
월 29/1221:30LHR - SYD
2 stops29h 05mChina Southern
월 26/122:00SYD - LHR
1 stop31h 35mChina Southern
Deal found 1/12$1,577
월 29/1221:00LHR - SYD
3 stops51h 00mChina Eastern
화 24/321:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 30/11$1,588
토 27/1220:20LGW - SYD
2 stops30h 15mChina Southern
금 13/322:00SYD - LGW
2 stops30h 20mChina Southern
Deal found 1/12$1,590
금 26/1217:40LHR - SYD
1 stop34h 50mAir China
일 15/320:40SYD - LHR
1 stop30h 15mAir China
Deal found 1/12$1,590
목 25/1209:55LGW - SYD
1 stop40h 40mChina Southern
월 19/122:00SYD - LGW
2 stops30h 20mChina Southern
Deal found 1/12$1,591
금 12/1207:00LTN - SYD
2 stops26h 50mMultiple Airlines
화 16/1215:15SYD - LTN
2 stops30h 10mMultiple Airlines
Deal found 29/11$1,593
금 26/1222:00LHR - SYD
1 stop28h 35mChina Southern
목 19/311:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 30/11$1,594
토 27/1220:20LGW - SYD
2 stops30h 15mChina Southern
금 23/122:00SYD - LGW
2 stops30h 20mChina Southern
Deal found 1/12$1,597

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 2 12월 2025.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

United Kingdom

Fly to

Sydney

Route

Depart

Return

Price

Newcastle upon TyneSydney

NCL - SYD

NCLSYD

Newcastle upon Tyne

월 9/3

16:50-15:30

2 stops59h 40m

Sydney Kingsford Smith

일 15/3

20:40-08:35

2 stops46h 55m

$1,593

Newcastle upon TyneSydney

NCL - SYD

NCLSYD

Newcastle upon Tyne

월 23/2

16:50-09:25

2 stops29h 35m

Sydney Kingsford Smith

월 30/3

11:05-08:45

2 stops55h 40m

$1,678

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

수 25/2

13:55-17:55

1 stop41h 00m

Sydney Kingsford Smith

토 7/3

21:45-18:10

1 stop31h 25m

$1,703

LondonSydney

LTN - SYD

LTNSYD

London Luton

월 8/12

07:20-08:05

3 stops37h 45m

Sydney Kingsford Smith

금 23/1

20:05-16:20

2 stops31h 15m

$1,707

LondonSydney

LTN - SYD

LTNSYD

London Luton

목 19/2

14:00-06:15

2 stops29h 15m

Sydney Kingsford Smith

토 7/3

20:05-23:15

2 stops38h 10m

$1,762

LondonSydney

LTN - SYD

LTNSYD

London Luton

화 10/2

09:00-22:30

2 stops26h 30m

Sydney Kingsford Smith

월 16/2

20:05-16:20

2 stops31h 15m

$1,777

LondonSydney

STN - SYD

STNSYD

London Stansted

금 8/5

17:45-19:15

2 stops40h 30m

Sydney Kingsford Smith

금 22/5

21:10-22:10

2 stops34h 00m

$1,918

GlasgowSydney

GLA - SYD

GLASYD

Glasgow Intl

일 17/5

17:30-06:10

2 stops27h 40m

Sydney Kingsford Smith

일 7/6

14:05-09:00

2 stops27h 55m

$1,919

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

화 10/2

06:25-19:20

2 stops25h 55m

Sydney Kingsford Smith

토 28/2

21:15-16:10

2 stops29h 55m

$1,921

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

월 2/3

17:05-19:20

2 stops39h 15m

Sydney Kingsford Smith

금 20/3

21:15-16:10

2 stops29h 55m

$1,921

Flights are sorted by cheapest return flights first.

Deals found on 29/11

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of $954). Flying from United Kingdom to Sydney in January is currently the most expensive (average of $1,556). 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 2 12월 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 18% on flights from United Kingdom to Sydney by exploring options for tickets in the afternoon.

What is the cheapest day to fly from United Kingdom to Sydney?

Use this chart to determine the cheapest time to fly return from United Kingdom to Sydney. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Sydney flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 2 12월 2025.

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 2 12월 2025.
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.
Qantas Airways
7.5
Good
946 reviews
Check prices

Comfort

7.5

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
946 reviews
Qantas Airways
7.5
Good
946 reviews
Check prices

Comfort

7.5

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
China Southern
7.5
Good
120 reviews
Qantas Airways
7.5
Good
946 reviews
Check prices

Comfort

7.5

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qatar Airways
7.4
Good
3,680 reviews
Qantas Airways
7.5
Good
946 reviews
Check prices

Comfort

7.5

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Etihad Airways
7.4
Good
1,319 reviews
Qantas Airways
7.5
Good
946 reviews
Check prices

Comfort

7.5

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
China Eastern
7.2
Good
178 reviews
Qantas Airways
7.5
Good
946 reviews
Check prices

Comfort

7.5

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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 40m. Etihad Airways provides one of the quickest options available for as low as $1,919. There are 16932 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 Etihad Airways, which is currently one of the cheapest options available, starting at $1,009. SWISS flights start at $1,142 while deals on Qatar Airways start at $1,151 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.

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

    Looking at all options, your cheapest flight can be booked for $1,541. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for $1,142 on average, our data indicates $2,112 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, February is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of $954). Flying from United Kingdom to Sydney in January is currently the most expensive (average of $1,556). 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
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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Alternative routes for United Kingdom to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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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 2 12월 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$1,090Average$1,652FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,105Average$1,517FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest$1,184Average$1,963FlexibilityNo cancel feeOn-time67%
Search Air China flights
Qantas AirwaysCheapest$1,334Average$2,688FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air IndiaCheapest$1,456Average$2,091FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest$1,492Average$2,386FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest$1,536Average$2,096FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,565Average$1,709FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Etihad AirwaysCheapest$1,586Average$2,417FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest$1,592Average$2,432FlexibilityNo cancel feeOn-time81%
Search Singapore 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?

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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