Cheap flights from Sydney to the United Kingdom from £305

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
23 Jul — 30 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 18 July 2025.

Round-trip from

£739

One-way from

£305

Popular in

December

Cheapest in

October

Average price

£962

Good round-trip deal

£1,437 or less
China Eastern
  • China Eastern
  • 6/8-10/8
  • 4 total stops
  • 80h 50m total
  • Sydney to United Kingdom
20/11
  • 20/11
  • 3 total stops
  • 54h 40m total
  • Sydney to United Kingdom
Highest demand for flights based on searches. 12% potential increase in price (£98 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.

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 18 July 2025.

Wed 6/820:30SYD - LHR
1 stop31h 10mChina Eastern
Sun 10/821:20LHR - SYD
3 stops49h 40mChina Eastern
Deal found 16/7£739
Thu 14/810:15SYD - LGW
1 stop29h 55mChina Southern
Thu 4/912:00LGW - SYD
1 stop22h 25mChina Southern
Deal found 18/7£739
Mon 27/1022:00SYD - LHR
1 stop31h 15mChina Southern
Thu 27/1122:00LHR - SYD
1 stop24h 25mChina Southern
Deal found 17/7£739
Tue 22/719:40SYD - LGW
1 stop43h 55mAir China
Sun 10/821:10LGW - SYD
1 stop32h 40mAir China
Deal found 18/7£739
Mon 13/1013:50SYD - STN
3 stops41h 50mMultiple Airlines
Sat 25/1010:20STN - SYD
3 stops38h 25mMultiple Airlines
Deal found 18/7£740
Thu 31/711:00SYD - LGW
1 stop37h 10mChina Eastern
Sat 9/818:00LGW - SYD
2 stops28h 40mChina Eastern
Deal found 16/7£741
Thu 24/719:40SYD - LHR
1 stop31h 05mAir China
Thu 7/820:25LHR - SYD
1 stop33h 25mAir China
Deal found 17/7£742
Mon 24/1121:30SYD - LHR
1 stop25h 35mEtihad Airways
Sat 6/1219:20LHR - SYD
1 stop23h 50mEtihad Airways
Deal found 16/7£745
Tue 12/806:00SYD - LGW
2 stops33h 40mMultiple Airlines
Sun 17/819:00LGW - SYD
1 stop29h 00mMultiple Airlines
Deal found 15/7£746
Mon 29/921:30SYD - LHR
1 stop26h 45mMultiple Airlines
Tue 13/120:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 15/7£753
Sat 1/1121:45SYD - LGW
2 stops46h 25mTurkish Airlines
Mon 24/1110:05LGW - SYD
2 stops46h 45mTurkish Airlines
Deal found 17/7£756
Thu 9/1021:55SYD - LHR
2 stops32h 55mTurkish Airlines
Mon 3/1122:35LHR - SYD
2 stops34h 15mTurkish Airlines
Deal found 17/7£769

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 18 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 6/8

20:30-18:40

1 stop31h 10m

London Heathrow

Sun 10/8

21:20-08:00

3 stops49h 40m

£739

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 14/8

10:15-07:10

1 stop29h 55m

London Gatwick

Thu 4/9

12:00-19:25

1 stop22h 25m

£739

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 27/10

22:00-18:15

1 stop31h 15m

London Heathrow

Thu 27/11

22:00-09:25

1 stop24h 25m

£739

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 16/8

11:20-16:00

2 stops37h 40m

London Gatwick

Sat 23/8

11:35-09:00

1 stop36h 25m

£739

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 13/10

13:50-21:40

3 stops41h 50m

London Stansted

Sat 25/10

10:20-10:45

3 stops38h 25m

£740

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 17/11

21:30-06:45

1 stop44h 15m

London Heathrow

Mon 8/12

09:00-18:35

1 stop22h 35m

£742

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 11/8

19:45-06:35

1 stop43h 50m

London Gatwick

Fri 12/9

12:35-14:50

1 stop41h 15m

£743

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 4/10

19:40-20:30

1 stop33h 50m

London Heathrow

Tue 4/11

20:25-15:30

1 stop32h 05m

£744

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 12/8

06:00-06:40

2 stops33h 40m

London Gatwick

Sun 17/8

19:00-09:00

1 stop29h 00m

£746

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/8

08:15-18:40

2 stops43h 25m

London Heathrow

Thu 21/8

21:20-09:00

1 stop26h 40m

£747

Flights are sorted by cheapest return flights first.

Deals found on 16/7

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 18 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 18 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 18 July 2025.
See what other customers who have flown with ANA, 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.

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very Good

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 Vietnam Airlines, 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?

  • 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 £1,487, our data indicates the cheapest price to be £1,039. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £612.

  • 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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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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest£495Average£1,089FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
China SouthernCheapest£605Average£992FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£666Average£803FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£680Average£1,240FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£689Average£863FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest£706Average£731FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapest£709Average£923FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£712Average£900FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£725Average£1,140FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Cathay PacificCheapest£743Average£1,195FlexibilityNo 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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