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Cheap flights from Sydney to the United Kingdom from $650

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Sydney to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to United Kingdom
Explore the most affordable flight options available from Sydney to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Mon 1/1221:30SYD - LHR
1 stop28h 00mEtihad Airways
Mon 8/1219:20LHR - SYD
1 stop24h 15mEtihad Airways
Deal found 26/11$1,571
Tue 25/1115:50SYD - LGW
1 stop25h 05mMultiple Airlines
Tue 2/1210:30LGW - SYD
1 stop36h 30mMultiple Airlines
Deal found 24/11$1,597
Mon 1/1221:30SYD - LHR
1 stop44h 10mMultiple Airlines
Sun 7/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 24/11$1,607
Wed 26/1115:15SYD - LHR
1 stop26h 15mCathay Pacific
Thu 4/1222:05LHR - SYD
1 stop26h 55mCathay Pacific
Deal found 25/11$1,610
Tue 2/1216:35SYD - LHR
1 stop25h 05mMultiple Airlines
Sat 6/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 25/11$1,616
Mon 1/1216:35SYD - LHR
1 stop25h 05mMultiple Airlines
Fri 5/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 24/11$1,622
Sun 30/1106:35SYD - LGW
2 stops42h 25mMultiple Airlines
Sun 7/1211:35LGW - SYD
1 stop40h 55mMultiple Airlines
Deal found 24/11$1,639
Tue 25/1117:45SYD - LHR
2 stops35h 50mMultiple Airlines
Tue 2/1221:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 24/11$1,653
Tue 25/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Mon 8/1219:20LHR - SYD
1 stop24h 15mEtihad Airways
Deal found 24/11$1,654
Wed 26/1116:35SYD - LHR
1 stop25h 05mEtihad Airways
Wed 10/1208:50LHR - SYD
1 stop34h 45mEtihad Airways
Deal found 25/11$1,656
Fri 28/1115:15SYD - LHR
1 stop34h 45mCathay Pacific
Fri 5/1211:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 26/11$1,657
Thu 27/1117:35SYD - LHR
3 stops60h 45mMultiple Airlines
Sat 6/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 24/11$1,659

Cheap flight deals from Sydney to United Kingdom

Keep the following information in mind while searching for Sydney to United Kingdom flight deals. Data was last updated 27 November 2025.

Round-trip from

$1,485

One-way from

$650

Popular in

December

Cheapest in

February

Average price

$1,702

Good round-trip deal

$2,001 or less

Good one-way deal

$1,443 or less
Air India
  • Air India
  • 24/3-11/4
  • 2 total stops
  • 69h 35m total
  • Sydney to United Kingdom
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 24/3
  • 1 total stop
  • 30h 20m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($416 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($100 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to United Kingdom.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to United Kingdom 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 27 November 2025.
Use the filters below to find and compare flights from Sydney to the United Kingdom that are best for you.

Fly from

Sydney

Fly to

United Kingdom

Route

Depart

Return

Price

SydneyEdinburgh

SYD - EDI

SYDEDI

Sydney Kingsford Smith

Mon 4/5

14:10-15:50

2 stops34h 40m

Edinburgh Turnhouse

Thu 4/6

16:50-06:30

2 stops28h 40m

$1,533

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sun 1/3

16:35-14:15

2 stops32h 40m

London Luton

Sun 15/3

14:40-06:35

2 stops28h 55m

$1,574

SydneyBirmingham

SYD - BHX

SYDBHX

Sydney Kingsford Smith

Tue 24/3

20:45-18:50

1 stop33h 05m

Birmingham

Sat 11/4

20:30-18:00

1 stop36h 30m

$1,627

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 16/2

21:15-16:10

2 stops29h 55m

London Gatwick

Sat 21/3

17:05-19:20

2 stops39h 15m

$1,633

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 21/2

21:15-16:10

2 stops29h 55m

London Gatwick

Fri 20/3

17:05-19:20

2 stops39h 15m

$1,633

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 22/2

21:15-16:10

2 stops29h 55m

London Gatwick

Tue 17/3

06:25-19:20

2 stops25h 55m

$1,633

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 17/2

12:45-09:20

2 stops31h 35m

London Gatwick

Sat 21/3

17:05-19:20

2 stops39h 15m

$1,659

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 17/2

12:45-09:20

2 stops31h 35m

London Gatwick

Fri 13/3

17:05-19:20

2 stops39h 15m

$1,659

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 19/1

20:05-16:20

2 stops31h 15m

London Luton

Mon 2/2

14:00-11:45

3 stops34h 45m

$1,699

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 18/2

15:50-05:55

1 stop25h 05m

London Gatwick

Sun 15/3

14:05-06:50

1 stop29h 45m

$1,720

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 60 results
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Best time to book a flight from Sydney to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Sydney 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 Sydney to the United Kingdom

What is the cheapest month to book a flight from Sydney to United Kingdom?

Currently, February is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of $999). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,893). 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 SYD to GB?

Find hourly flight availability from Sydney to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to United Kingdom at midday. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight in the afternoon.

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

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

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

Weekly flight availability from Sydney to United Kingdom

Explore weekly flight availability from Sydney to United Kingdom. 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 27 November 2025.

The most flights from SYD to GB0 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 United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 27 November 2025.
Read through reviews of airlines operating flights from Sydney to the United Kingdom, such as Emirates, Singapore Airlines, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,422 reviews
Check prices

Food

7.9

Crew

8.3

Overall

8.1

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Emirates
8.1
Very Good
3,422 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Food

7.9

Crew

8.3

Overall

8.1

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Singapore Airlines
8.1
Very Good
1,410 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Food

7.9

Crew

8.3

Overall

8.1

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Qantas Airways
7.5
Good
946 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Food

7.9

Crew

8.3

Overall

8.1

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Etihad Airways
7.4
Good
1,312 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Food

7.9

Crew

8.3

Overall

8.1

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
China Eastern
7.2
Good
178 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Food

7.9

Crew

8.3

Overall

8.1

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

Related info for your journey

Find useful and relevant information for your journey from Sydney to United Kingdom. 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 from for flights from Sydney to United Kingdom?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to United Kingdom. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

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

    Departing from Sydney to United Kingdom will take you 29h 55m. Sydney and United Kingdom are separated by a distance of 17008 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $672. However, be on the lookout for offers from Tianjin Airlines and China Southern, as they are both options that can get you from Sydney to United Kingdom for a low price.

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

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

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

    The cheapest flight price from Sydney to United Kingdom is $1,201. On average you can expect to pay $7,988. The most popular route, (Sydney Kingsford Smith - London Heathrow), can usually be booked for $1,179.

  • Can I find deals for flights from Sydney to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Sydney to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to United Kingdom.

  • Can I find deals for business class flights from Sydney to United Kingdom?

    Yes. Cheapflights offers flight deals from Sydney to United Kingdom 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 Sydney to United Kingdom?

    Currently, February is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of $999). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,893). 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

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Alternative routes for Sydney to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Sydney to United Kingdom

Discover the top 10 airlines that operate flights from Sydney to United Kingdom. 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,163Average$1,484FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$1,176Average$1,739FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,221Average$2,056FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Juneyao AirlinesCheapest$1,297Average$1,934FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Air IndiaCheapest$1,306Average$1,709FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Turkish AirlinesCheapest$1,369Average$1,848FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Malaysia AirlinesCheapest$1,370Average$1,804FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,435Average$1,708FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Japan AirlinesCheapest$1,483Average$1,980FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
LufthansaCheapest$1,494Average$2,093FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from Sydney today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to United Kingdom 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 Sydney to United Kingdom with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to United Kingdom, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sydney to United Kingdom become cheaper?

Of course! You can now track prices for flights from Sydney to United Kingdom and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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