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Cheap flights from Sydney to the United Kingdom from £363

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
9 Jul — 16 Jul1
1 adult

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 4 July 2025.

Round-trip from

£723

One-way from

£363

Popular in

December

Cheapest in

October

Average price

£943

Good round-trip deal

£1,077 or less
China Eastern
  • China Eastern
  • 30/7-6/8
  • 5 total stops
  • 89h 00m total
  • Sydney to United Kingdom
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24/10
  • 24/10
  • 3 total stops
  • 41h 20m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.
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Find flight deals from Sydney to United Kingdom

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 4 July 2025.

Tue 22/719:40SYD - LHR
1 stop33h 50mAir China
Thu 7/822:40LHR - SYD
1 stop31h 10mAir China
Deal found 1/7£723
Sun 17/812:00SYD - LGW
2 stops36h 10mChina Eastern
Tue 9/911:35LGW - SYD
3 stops35h 05mChina Eastern
Deal found 1/7£723
Thu 23/1021:55SYD - LHR
2 stops47h 50mTurkish Airlines
Sat 1/1106:35LHR - SYD
2 stops26h 15mTurkish Airlines
Deal found 1/7£724
Fri 8/819:40SYD - LGW
2 stops32h 05mAir China
Tue 26/811:25LGW - SYD
2 stops42h 25mAir China
Deal found 3/7£724
Sun 14/920:55SYD - LGW
2 stops48h 55mTurkish Airlines
Sun 16/1110:05LGW - SYD
2 stops46h 45mTurkish Airlines
Deal found 2/7£725
Sat 26/720:30SYD - LHR
1 stop31h 10mChina Eastern
Mon 11/821:20LHR - SYD
1 stop30h 15mChina Eastern
Deal found 2/7£730
Thu 7/819:40SYD - LGW
1 stop31h 55mMultiple Airlines
Sun 31/808:05LGW - SYD
2 stops26h 20mMultiple Airlines
Deal found 1/7£730
Mon 18/821:30SYD - LHR
1 stop30h 15mEtihad Airways
Sun 7/920:55LHR - SYD
1 stop24h 15mEtihad Airways
Deal found 1/7£735
Wed 10/912:50SYD - STN
2 stops34h 15mMultiple Airlines
Sat 27/906:00STN - SYD
3 stops42h 45mMultiple Airlines
Deal found 30/6£774
Mon 1/920:30SYD - LTN
2 stops34h 15mMultiple Airlines
Sun 14/915:35LTN - SYD
2 stops32h 25mMultiple Airlines
Deal found 2/7£802
Wed 15/1016:00SYD - LCY
2 stops26h 50mSWISS
Tue 28/1019:10LCY - SYD
2 stops29h 40mSWISS
Deal found 1/7£835
Tue 28/1016:10SYD - LCY
2 stops27h 35mMultiple Airlines
Tue 25/1118:15LCY - SYD
2 stops25h 20mMultiple Airlines
Deal found 1/7£850

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 858,174 searches. Data last updated 4 July 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

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 30/7

12:00-18:40

2 stops39h 40m

London Heathrow

Wed 6/8

21:20-07:40

3 stops49h 20m

£723

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 17/8

12:00-15:10

2 stops36h 10m

London Gatwick

Tue 9/9

11:35-07:40

3 stops35h 05m

£723

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 8/8

19:40-18:45

2 stops32h 05m

London Gatwick

Tue 26/8

11:25-14:50

2 stops42h 25m

£724

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 30/7

19:45-20:15

2 stops33h 30m

London Heathrow

Sat 16/8

22:00-14:50

2 stops55h 50m

£725

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 14/9

20:55-12:50

2 stops48h 55m

London Gatwick

Sun 16/11

10:05-19:50

2 stops46h 45m

£725

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 4/8

19:45-18:45

2 stops32h 00m

London Gatwick

Mon 1/9

18:05-12:35

1 stop33h 30m

£733

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 18/8

21:30-18:45

1 stop30h 15m

London Heathrow

Sun 7/9

21:45-06:10

1 stop23h 25m

£736

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 14/9

20:55-20:50

2 stops32h 55m

London Heathrow

Sun 16/11

22:35-19:50

2 stops34h 15m

£740

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sun 20/7

20:30-21:45

2 stops34h 15m

London Luton

Thu 21/8

15:05-09:00

2 stops32h 55m

£747

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 7/10

15:50-06:40

1 stop24h 50m

London Gatwick

Tue 4/11

14:05-06:50

1 stop29h 45m

£753

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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, January is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of £112). Flying from Sydney to United Kingdom in August is currently the most expensive (average of £164). 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 4 July 2025.

When flying from Sydney to United Kingdom, 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 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 4 July 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 4 July 2025.
See what other customers who have flown with Japan Airlines, Emirates, andKLM from Sydney to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,504 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very Good
3,287 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
KLM
7.8
Good
1,367 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Cathay Pacific
7.6
Good
921 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Air France
7.5
Good
1,465 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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), located 4.6 mi from the city center, is the airport you fly out of when you book flights from Sydney to United Kingdom.

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

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as £377. However, be on the lookout for offers from China Eastern and Etihad Airways, 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 route from Sydney to United Kingdom is Sydney Kingsford Smith - London Heathrow. You may also consider Sydney Kingsford Smith - London Gatwick or Sydney Kingsford Smith - London Stansted.

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

    Looking for the cheapest flight from Sydney to United Kingdom? While on average our users pay £1,148, our data indicates the cheapest price to be £950. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £660.

  • 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, January is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of £112). Flying from Sydney to United Kingdom in August is currently the most expensive (average of £164). 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

Browse thousands of different options on Cheapflights for your next trip

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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 858,174 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest£483Average£971FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
China SouthernCheapest£589Average£959FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£624Average£1,220FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£654Average£834FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£677Average£846FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest£694Average£717FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapest£696Average£923FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£700Average£883FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£712Average£1,205FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Cathay PacificCheapest£729Average£1,208FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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

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

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Can Cheapflights find flights from Sydney to United Kingdom with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to United Kingdom flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Sydney to United Kingdom on Cheapflights with our Price Alert feature and get notified when better prices are available.

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