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Cheap flights from Sydney to the United Kingdom from £373

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 June 2026.

Tue 18/820:35
SYD
-
BHX
1 stop30h 50m
Air India
Mon 31/821:30
BHX
-
SYD
1 stop36h 35m
Air India
Deal found 29/6£749
Thu 13/820:35
SYD
-
BHX
1 stop30h 50m
Air India
Thu 20/821:30
BHX
-
SYD
1 stop36h 35m
Air India
Deal found 29/6£750
Thu 20/820:35
SYD
-
BHX
1 stop30h 50m
Air India
Mon 31/821:30
BHX
-
SYD
1 stop36h 35m
Air India
Deal found 26/6£754
Sat 10/1021:35
SYD
-
BHX
1 stop30h 50m
Air India
Thu 29/1020:45
BHX
-
SYD
1 stop35h 30m
Air India
Deal found 27/6£758
Sat 1/811:00
SYD
-
GLA
2 stops45h 05m
Multiple Airlines
Sun 16/821:10
GLA
-
SYD
2 stops54h 25m
Multiple Airlines
Deal found 28/6£839
Wed 5/819:40
SYD
-
LHR
2 stops33h 35m
Air China
Tue 15/920:25
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 29/6£873
Sun 2/810:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Mon 14/911:35
LGW
-
SYD
3 stops35h 25m
China Eastern
Deal found 29/6£873
Sun 8/1112:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Sat 5/1217:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Deal found 29/6£874
Mon 5/1021:35
SYD
-
LHR
1 stop31h 25m
Air India
Fri 23/1013:15
LHR
-
SYD
1 stop44h 00m
Air India
Deal found 30/6£874
Tue 11/811:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Sat 29/818:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Deal found 29/6£874
Wed 9/920:35
SYD
-
LHR
1 stop31h 25m
Air India
Wed 2/1208:45
LHR
-
SYD
1 stop23h 30m
Air India
Deal found 29/6£875
Mon 6/720:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Thu 9/718:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Deal found 27/6£875

Find 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 30 June 2026.

Round-trip from

£749

One-way from

£373

Popular in

December

Cheapest in

February

Average price

£1,119
Air India
  • Air India
  • 18/8-31/8
  • 2 total stops
  • 67h 25m total
  • Sydney to United Kingdom
Search Deals
8/7
  • 8/7
  • 3 total stops
  • 55h 35m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 858,174 searches. Data last updated 30 June 2026.
Use the filters below to find and compare flights from Sydney to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 11/11

21:30-06:30

1 stop44h 00m

London Gatwick

Sun 15/11

10:30-13:35

1 stop40h 05m

£874

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 10/8

11:00-18:40

1 stop40h 40m

London Heathrow

Wed 9/9

21:20-08:00

2 stops49h 40m

£908

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 5/9

10:00-19:15

3 stops42h 15m

London Gatwick

Sat 12/9

22:00-09:00

1 stop26h 00m

£945

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 22/7

11:00-06:40

1 stop28h 40m

London Gatwick

Sat 8/8

11:35-09:00

1 stop36h 25m

£952

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 17/9

14:35-06:35

1 stop25h 00m

London Heathrow

Tue 27/10

18:45-06:55

1 stop25h 10m

£964

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 3/8

20:50-21:45

2 stops33h 55m

London Luton

Mon 17/8

16:10-06:10

2 stops29h 00m

£970

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 1/10

21:05-22:25

2 stops34h 20m

London Gatwick

Mon 30/11

06:30-19:35

2 stops26h 05m

£970

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 27/7

20:30-21:45

2 stops34h 15m

London Luton

Mon 3/8

16:10-12:35

2 stops35h 25m

£1,002

SydneyEdinburgh

SYD - EDI

SYDEDI

Sydney Kingsford Smith

Wed 16/9

07:35-15:55

3 stops41h 20m

Edinburgh Turnhouse

Tue 22/9

10:40-19:10

2 stops47h 30m

£1,002

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 12/10

21:35-22:50

2 stops35h 15m

London Luton

Mon 26/10

16:00-06:35

2 stops27h 35m

£1,013

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £807). Flying from Sydney to United Kingdom in December is currently the most expensive (average of £1,373). 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 30 June 2026.

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 30 June 2026.

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).

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

To ensure you get the cheapest price possible for a flight from Sydney to United Kingdom, you should look to book at least 66 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 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 30 June 2026.
See what other customers who have flown with Emirates,Qantas Airways, andChina Southern 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.
Emirates
8.1
Very Good
3,603 reviews
Check prices

Crew

8.4

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Emirates
8.1
Very Good
3,603 reviews
Emirates
8.1
Very Good
3,603 reviews
Check prices

Crew

8.4

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Qantas Airways
7.5
Good
1,054 reviews
Emirates
8.1
Very Good
3,603 reviews
Check prices

Crew

8.4

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
China Southern
7.5
Good
155 reviews
Emirates
8.1
Very Good
3,603 reviews
Check prices

Crew

8.4

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Etihad Airways
7.3
Good
1,469 reviews
Emirates
8.1
Very Good
3,603 reviews
Check prices

Crew

8.4

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
British Airways
6.7
Okay
8,089 reviews
Emirates
8.1
Very Good
3,603 reviews
Check prices

Crew

8.4

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

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.

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

    Airlines like China Eastern, British Airways, and Turkish Airlines fly from Sydney to United Kingdom in about 25h. The time it takes to get you to your destination can typically vary by up to 19h. The distance from Sydney to United Kingdom is about 10568 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £180. However, be on the lookout for offers from Hainan 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 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.

  • 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 £807). Flying from Sydney to United Kingdom in December is currently the most expensive (average of £1,373). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 30 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest£449Average£1,163FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air ChinaCheapest£649Average£1,122FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£717Average£1,039FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest£775Average£1,009FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest£786Average£1,027FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£867Average£1,244FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Cathay PacificCheapest£873Average£1,547FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest£881Average£1,304FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£901Average£1,284FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£905Average£1,438FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines 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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